refactor: correct type definitions for ToolInputSchema and error handling in searchFiles function

* feat: add SAML authentication

* refactor: change SAML icon

* refactor: resolve SAML metadata paths using paths.js

* test: add samlStrategy tests

* fix: update setupSaml import

* test: add SAML settings tests in config.spec.js

* test: add client tests

* refactor: improve SAML button label and fallback localization

* feat: allow only one authentication method OpenID or SAML at a time

* doc: add SAML configuration sample to docker-compose.override

* fix: require SAML_SESSION_SECRET to enable SAML

* feat: update samlStrategy

* test: update samle tests

* feat: add SAML login button label to translations and remove default value

* fix: update SAML cert file binding

* chore: update override example with SAML cert volume

* fix: update SAML session handling with Redis backend

---------

Co-authored-by: Ruben Talstra <RubenTalstra1211@outlook.com>

.env.example

@@ -20,8 +20,8 @@ DOMAIN_CLIENT=http://localhost:3080
 DOMAIN_SERVER=http://localhost:3080
 
 NO_INDEX=true
-# Use the address that is at most n number of hops away from the Express application. 
-# req.socket.remoteAddress is the first hop, and the rest are looked for in the X-Forwarded-For header from right to left. 
+# Use the address that is at most n number of hops away from the Express application.
+# req.socket.remoteAddress is the first hop, and the rest are looked for in the X-Forwarded-For header from right to left.
 # A value of 0 means that the first untrusted address would be req.socket.remoteAddress, i.e. there is no reverse proxy.
 # Defaulted to 1.
 TRUST_PROXY=1
@@ -88,7 +88,7 @@ PROXY=
 #============#
 
 ANTHROPIC_API_KEY=user_provided
-# ANTHROPIC_MODELS=claude-3-7-sonnet-latest,claude-3-7-sonnet-20250219,claude-3-5-haiku-20241022,claude-3-5-sonnet-20241022,claude-3-5-sonnet-latest,claude-3-5-sonnet-20240620,claude-3-opus-20240229,claude-3-sonnet-20240229,claude-3-haiku-20240307,claude-2.1,claude-2,claude-1.2,claude-1,claude-1-100k,claude-instant-1,claude-instant-1-100k
+# ANTHROPIC_MODELS=claude-opus-4-20250514,claude-sonnet-4-20250514,claude-3-7-sonnet-20250219,claude-3-5-sonnet-20241022,claude-3-5-haiku-20241022,claude-3-opus-20240229,claude-3-sonnet-20240229,claude-3-haiku-20240307
 # ANTHROPIC_REVERSE_PROXY=
 
 #============#
@@ -142,12 +142,12 @@ GOOGLE_KEY=user_provided
 # GOOGLE_AUTH_HEADER=true
 
 # Gemini API (AI Studio)
-# GOOGLE_MODELS=gemini-2.0-flash-exp,gemini-2.0-flash-thinking-exp-1219,gemini-exp-1121,gemini-exp-1114,gemini-1.5-flash-latest,gemini-1.0-pro,gemini-1.0-pro-001,gemini-1.0-pro-latest,gemini-1.0-pro-vision-latest,gemini-1.5-pro-latest,gemini-pro,gemini-pro-vision
+# GOOGLE_MODELS=gemini-2.5-pro-preview-05-06,gemini-2.5-flash-preview-04-17,gemini-2.0-flash-001,gemini-2.0-flash-exp,gemini-2.0-flash-lite-001,gemini-1.5-pro-002,gemini-1.5-flash-002
 
 # Vertex AI
-# GOOGLE_MODELS=gemini-1.5-flash-preview-0514,gemini-1.5-pro-preview-0514,gemini-1.0-pro-vision-001,gemini-1.0-pro-002,gemini-1.0-pro-001,gemini-pro-vision,gemini-1.0-pro
+# GOOGLE_MODELS=gemini-2.5-pro-preview-05-06,gemini-2.5-flash-preview-04-17,gemini-2.0-flash-001,gemini-2.0-flash-exp,gemini-2.0-flash-lite-001,gemini-1.5-pro-002,gemini-1.5-flash-002
 
-# GOOGLE_TITLE_MODEL=gemini-pro
+# GOOGLE_TITLE_MODEL=gemini-2.0-flash-lite-001
 
 # GOOGLE_LOC=us-central1
 
@@ -231,6 +231,14 @@ AZURE_AI_SEARCH_SEARCH_OPTION_QUERY_TYPE=
 AZURE_AI_SEARCH_SEARCH_OPTION_TOP=
 AZURE_AI_SEARCH_SEARCH_OPTION_SELECT=
 
+# OpenAI Image Tools Customization
+#----------------
+# IMAGE_GEN_OAI_DESCRIPTION_WITH_FILES=Custom description for image generation tool when files are present
+# IMAGE_GEN_OAI_DESCRIPTION_NO_FILES=Custom description for image generation tool when no files are present
+# IMAGE_EDIT_OAI_DESCRIPTION=Custom description for image editing tool
+# IMAGE_GEN_OAI_PROMPT_DESCRIPTION=Custom prompt description for image generation tool
+# IMAGE_EDIT_OAI_PROMPT_DESCRIPTION=Custom prompt description for image editing tool
+
 # DALL·E
 #----------------
 # DALLE_API_KEY=
@@ -364,7 +372,7 @@ ILLEGAL_MODEL_REQ_SCORE=5
 # Balance                #
 #========================#
 
-CHECK_BALANCE=false
+# CHECK_BALANCE=false
 # START_BALANCE=20000 # note: the number of tokens that will be credited after registration.
 
 #========================#
@@ -432,15 +440,60 @@ OPENID_NAME_CLAIM=
 
 OPENID_BUTTON_LABEL=
 OPENID_IMAGE_URL=
+# Set to true to automatically redirect to the OpenID provider when a user visits the login page
+# This will bypass the login form completely for users, only use this if OpenID is your only authentication method
+OPENID_AUTO_REDIRECT=false
+# Set to true to use PKCE (Proof Key for Code Exchange) for OpenID authentication
+OPENID_USE_PKCE=false
+#Set to true to reuse openid tokens for authentication management instead of using the mongodb session and the custom refresh token.
+OPENID_REUSE_TOKENS=
+#By default, signing key verification results are cached in order to prevent excessive HTTP requests to the JWKS endpoint.
+#If a signing key matching the kid is found, this will be cached and the next time this kid is requested the signing key will be served from the cache.
+#Default is true.
+OPENID_JWKS_URL_CACHE_ENABLED=
+OPENID_JWKS_URL_CACHE_TIME= # 600000 ms eq to 10 minutes leave empty to disable caching
+#Set to true to trigger token exchange flow to acquire access token for the userinfo endpoint.
+OPENID_ON_BEHALF_FLOW_FOR_USERINFRO_REQUIRED=
+OPENID_ON_BEHALF_FLOW_USERINFRO_SCOPE = "user.read" # example for Scope Needed for Microsoft Graph API
+# Set to true to use the OpenID Connect end session endpoint for logout
+OPENID_USE_END_SESSION_ENDPOINT=
+
+
+# SAML
+# Note: If OpenID is enabled, SAML authentication will be automatically disabled.
+SAML_ENTRY_POINT=
+SAML_ISSUER=
+SAML_CERT=
+SAML_CALLBACK_URL=/oauth/saml/callback
+SAML_SESSION_SECRET=
+
+# Attribute mappings (optional)
+SAML_EMAIL_CLAIM=
+SAML_USERNAME_CLAIM=
+SAML_GIVEN_NAME_CLAIM=
+SAML_FAMILY_NAME_CLAIM=
+SAML_PICTURE_CLAIM=
+SAML_NAME_CLAIM=
+
+# Logint buttion settings (optional)
+SAML_BUTTON_LABEL=
+SAML_IMAGE_URL=
+
+# Whether the SAML Response should be signed.
+# - If "true", the entire `SAML Response` will be signed.
+# - If "false" or unset, only the `SAML Assertion` will be signed (default behavior).
+# SAML_USE_AUTHN_RESPONSE_SIGNED=
+
 
 # LDAP
 LDAP_URL=
 LDAP_BIND_DN=
 LDAP_BIND_CREDENTIALS=
 LDAP_USER_SEARCH_BASE=
-LDAP_SEARCH_FILTER=mail={{username}}
+#LDAP_SEARCH_FILTER="mail="
 LDAP_CA_CERT_PATH=
 # LDAP_TLS_REJECT_UNAUTHORIZED=
+# LDAP_STARTTLS=
 # LDAP_LOGIN_USES_USERNAME=true
 # LDAP_ID=
 # LDAP_USERNAME=
@@ -473,6 +526,24 @@ FIREBASE_STORAGE_BUCKET=
 FIREBASE_MESSAGING_SENDER_ID=
 FIREBASE_APP_ID=
 
+#========================#
+# S3 AWS Bucket          #
+#========================#
+
+AWS_ENDPOINT_URL=
+AWS_ACCESS_KEY_ID=
+AWS_SECRET_ACCESS_KEY=
+AWS_REGION=
+AWS_BUCKET_NAME=
+
+#========================#
+# Azure Blob Storage     #
+#========================#
+
+AZURE_STORAGE_CONNECTION_STRING=
+AZURE_STORAGE_PUBLIC_ACCESS=false
+AZURE_CONTAINER_NAME=files
+
 #========================#
 # Shared Links           #
 #========================#
@@ -533,9 +604,9 @@ HELP_AND_FAQ_URL=https://librechat.ai
 #   users always get the latest version. Customize    #
 #   only if you understand caching implications.      #
 
-# INDEX_HTML_CACHE_CONTROL=no-cache, no-store, must-revalidate
-# INDEX_HTML_PRAGMA=no-cache
-# INDEX_HTML_EXPIRES=0
+# INDEX_CACHE_CONTROL=no-cache, no-store, must-revalidate
+# INDEX_PRAGMA=no-cache
+# INDEX_EXPIRES=0
 
 # no-cache: Forces validation with server before using cached version
 # no-store: Prevents storing the response entirely
@@ -545,3 +616,33 @@ HELP_AND_FAQ_URL=https://librechat.ai
 #                  OpenWeather                        #
 #=====================================================#
 OPENWEATHER_API_KEY=
+
+#====================================#
+# LibreChat Code Interpreter API     #
+#====================================#
+
+# https://code.librechat.ai
+# LIBRECHAT_CODE_API_KEY=your-key
+
+#======================#
+# Web Search           #
+#======================#
+
+# Note: All of the following variable names can be customized.
+# Omit values to allow user to provide them.
+
+# For more information on configuration values, see:
+# https://librechat.ai/docs/features/web_search
+
+# Search Provider (Required)
+# SERPER_API_KEY=your_serper_api_key
+
+# Scraper (Required)
+# FIRECRAWL_API_KEY=your_firecrawl_api_key
+# Optional: Custom Firecrawl API URL
+# FIRECRAWL_API_URL=your_firecrawl_api_url
+
+# Reranker (Required)
+# JINA_API_KEY=your_jina_api_key
+# or
+# COHERE_API_KEY=your_cohere_api_key

.github/CONTRIBUTING.md

@@ -24,22 +24,40 @@ Project maintainers have the right and responsibility to remove, edit, or reject
 
 ## To contribute to this project, please adhere to the following guidelines:
 
-## 1. Development notes
+## 1. Development Setup
 
-1. Before starting work, make sure your main branch has the latest commits with `npm run update`
-2. Run linting command to find errors: `npm run lint`. Alternatively, ensure husky pre-commit checks are functioning.
+1. Use Node.JS 20.x.
+2. Install typescript globally: `npm i -g typescript`.
+3. Run `npm ci` to install dependencies.
+4. Build the data provider: `npm run build:data-provider`.
+5. Build MCP: `npm run build:mcp`.
+6. Build data schemas: `npm run build:data-schemas`.
+7. Setup and run unit tests:
+    - Copy `.env.test`: `cp api/test/.env.test.example api/test/.env.test`.
+    - Run backend unit tests: `npm run test:api`.
+    - Run frontend unit tests: `npm run test:client`.
+8. Setup and run integration tests:
+    - Build client: `cd client && npm run build`.
+    - Create `.env`: `cp .env.example .env`.
+    - Install [MongoDB Community Edition](https://www.mongodb.com/docs/manual/administration/install-community/), ensure that `mongosh` connects to your local instance.
+    - Run: `npx install playwright`, then `npx playwright install`.
+    - Copy `config.local`: `cp e2e/config.local.example.ts e2e/config.local.ts`.
+    - Copy `librechat.yaml`: `cp librechat.example.yaml librechat.yaml`.
+    - Run: `npm run e2e`.
+
+## 2. Development Notes
+
+1. Before starting work, make sure your main branch has the latest commits with `npm run update`.
+3. Run linting command to find errors: `npm run lint`. Alternatively, ensure husky pre-commit checks are functioning.
 3. After your changes, reinstall packages in your current branch using `npm run reinstall` and ensure everything still works. 
     - Restart the ESLint server ("ESLint: Restart ESLint Server" in VS Code command bar) and your IDE after reinstalling or updating.
 4. Clear web app localStorage and cookies before and after changes.
-5. For frontend changes:
-    - Install typescript globally: `npm i -g typescript`.
-    - Compile typescript before and after changes to check for introduced errors: `cd client && tsc --noEmit`.
-6. Run tests locally:
-    - Backend unit tests: `npm run test:api`
-    - Frontend unit tests: `npm run test:client`
-    - Integration tests: `npm run e2e` (requires playwright installed, `npx install playwright`)
+5. For frontend changes, compile typescript before and after changes to check for introduced errors: `cd client && npm run build`.
+6. Run backend unit tests: `npm run test:api`.
+7. Run frontend unit tests: `npm run test:client`.
+8. Run integration tests: `npm run e2e`.
 
-## 2. Git Workflow
+## 3. Git Workflow
 
 We utilize a GitFlow workflow to manage changes to this project's codebase. Follow these general steps when contributing code:
 
@@ -49,7 +67,7 @@ We utilize a GitFlow workflow to manage changes to this project's codebase. Foll
 4. Submit a pull request with a clear and concise description of your changes and the reasons behind them.
 5. We will review your pull request, provide feedback as needed, and eventually merge the approved changes into the main branch.
 
-## 3. Commit Message Format
+## 4. Commit Message Format
 
 We follow the [semantic format](https://gist.github.com/joshbuchea/6f47e86d2510bce28f8e7f42ae84c716) for commit messages.
 
@@ -76,7 +94,7 @@ feat: add hat wobble
 ```
 
 
-## 4. Pull Request Process
+## 5. Pull Request Process
 
 When submitting a pull request, please follow these guidelines:
 
@@ -91,7 +109,7 @@ Ensure that your changes meet the following criteria:
 - The commit history is clean and easy to follow. You can use `git rebase` or `git merge --squash` to clean your commit history before submitting the pull request.
 - The pull request description clearly outlines the changes and the reasons behind them. Be sure to include the steps to test the pull request.
 
-## 5. Naming Conventions
+## 6. Naming Conventions
 
 Apply the following naming conventions to branches, labels, and other Git-related entities:
 
@@ -100,7 +118,7 @@ Apply the following naming conventions to branches, labels, and other Git-relate
 - **JS/TS:** Directories and file names: Descriptive and camelCase. First letter uppercased for React files (e.g., `helperFunction.ts, ReactComponent.tsx`).
 - **Docs:** Directories and file names: Descriptive and snake_case (e.g., `config_files.md`).
 
-## 6. TypeScript Conversion
+## 7. TypeScript Conversion
 
 1. **Original State**: The project was initially developed entirely in JavaScript (JS).
 
@@ -126,7 +144,7 @@ Apply the following naming conventions to branches, labels, and other Git-relate
       
    - **Current Stance**: At present, this backend transition is of lower priority and might not be pursued.
 
-## 7. Module Import Conventions
+## 8. Module Import Conventions
 
 - `npm` packages first, 
      - from shortest line (top) to longest (bottom)

.github/ISSUE_TEMPLATE/BUG-REPORT.yml

@@ -79,6 +79,8 @@ body:
 
         For UI-related issues, browser console logs can be very helpful. You can provide these as screenshots or paste the text here.
       render: shell
+    validations:
+      required: true
   - type: textarea
     id: screenshots
     attributes:

.github/workflows/generate-release-changelog-pr.yml

@@ -4,6 +4,7 @@ on:
   push:
     tags:
       - 'v*.*.*'
+  workflow_dispatch:
 
 jobs:
   generate-release-changelog-pr:
@@ -88,7 +89,7 @@ jobs:
           base: main
           branch: "changelog/${{ github.ref_name }}"
           reviewers: danny-avila
-          title: "chore: update CHANGELOG for release ${{ github.ref_name }}"
+          title: "📜 docs: Changelog for release ${{ github.ref_name }}"
           body: |
             **Description**:
-            - This PR updates the CHANGELOG.md by removing the "Unreleased" section and adding new release notes for release ${{ github.ref_name }} above previous releases.
+            - This PR updates the CHANGELOG.md by removing the "Unreleased" section and adding new release notes for release ${{ github.ref_name }} above previous releases.

.github/workflows/generate-unreleased-changelog-pr.yml

@@ -3,6 +3,7 @@ name: Generate Unreleased Changelog PR
 on:
   schedule:
     - cron: "0 0 * * 1"  # Runs every Monday at 00:00 UTC
+  workflow_dispatch:
 
 jobs:
   generate-unreleased-changelog-pr:
@@ -98,9 +99,9 @@ jobs:
           branch: "changelog/unreleased-update"
           sign-commits: true
           commit-message: "action: update Unreleased changelog"
-          title: "action: update Unreleased changelog"
+          title: "📜 docs: Unreleased Changelog"
           body: |
             **Description**:
             - This PR updates the Unreleased section in CHANGELOG.md.
             - It compares the current main branch with the latest version tag (determined as ${{ steps.get_latest_tag.outputs.tag }}),
-              regenerates the Unreleased changelog, removes any old Unreleased block, and inserts the new content.
+              regenerates the Unreleased changelog, removes any old Unreleased block, and inserts the new content.

.github/workflows/helmcharts.yml

@@ -26,8 +26,15 @@ jobs:
         uses: azure/setup-helm@v4
         env:
           GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
+      - name: Build Subchart Deps
+        run: |
+          cd helm/librechat-rag-api
+          helm dependency build 
 
       - name: Run chart-releaser
         uses: helm/chart-releaser-action@v1.6.0
+        with:
+          charts_dir: helm
+          skip_existing: true
         env:
           CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"

.github/workflows/i18n-unused-keys.yml

@@ -22,7 +22,7 @@ jobs:
 
           # Define paths
           I18N_FILE="client/src/locales/en/translation.json"
-          SOURCE_DIRS=("client/src" "api")
+          SOURCE_DIRS=("client/src" "api" "packages/data-provider/src")
 
           # Check if translation file exists
           if [[ ! -f "$I18N_FILE" ]]; then
@@ -39,12 +39,35 @@ jobs:
           # Check if each key is used in the source code
           for KEY in $KEYS; do
             FOUND=false
-            for DIR in "${SOURCE_DIRS[@]}"; do
-              if grep -r --include=\*.{js,jsx,ts,tsx} -q "$KEY" "$DIR"; then
-                FOUND=true
-                break
+            
+            # Special case for dynamically constructed special variable keys
+            if [[ "$KEY" == com_ui_special_var_* ]]; then
+              # Check if TSpecialVarLabel is used in the codebase
+              for DIR in "${SOURCE_DIRS[@]}"; do
+                if grep -r --include=\*.{js,jsx,ts,tsx} -q "TSpecialVarLabel" "$DIR"; then
+                  FOUND=true
+                  break
+                fi
+              done
+              
+              # Also check if the key is directly used somewhere
+              if [[ "$FOUND" == false ]]; then
+                for DIR in "${SOURCE_DIRS[@]}"; do
+                  if grep -r --include=\*.{js,jsx,ts,tsx} -q "$KEY" "$DIR"; then
+                    FOUND=true
+                    break
+                  fi
+                done
               fi
-            done
+            else
+              # Regular check for other keys
+              for DIR in "${SOURCE_DIRS[@]}"; do
+                if grep -r --include=\*.{js,jsx,ts,tsx} -q "$KEY" "$DIR"; then
+                  FOUND=true
+                  break
+                fi
+              done
+            fi
           
             if [[ "$FOUND" == false ]]; then
               UNUSED_KEYS+=("$KEY")
@@ -90,4 +113,4 @@ jobs:
 
       - name: Fail workflow if unused keys found
         if: env.unused_keys != '[]'
-        run: exit 1
+        run: exit 1

.gitignore

@@ -37,6 +37,10 @@ client/public/main.js
 client/public/main.js.map
 client/public/main.js.LICENSE.txt
 
+# Azure Blob Storage Emulator (Azurite)
+__azurite**
+__blobstorage__/**/*
+
 # Dependency directorys
 # Deployed apps should consider commenting these lines out:
 # see https://npmjs.org/doc/faq.html#Should-I-check-my-node_modules-folder-into-git
@@ -48,6 +52,10 @@ bower_components/
 *.d.ts
 !vite-env.d.ts
 
+# AI
+.clineignore
+.cursor
+
 # Floobits
 .floo
 .floobit
@@ -106,4 +114,13 @@ uploads/
 
 # owner
 release/
+
+# Helm
+helm/librechat/Chart.lock
+helm/**/charts/
+helm/**/.values.yaml
+
 !/client/src/@types/i18next.d.ts
+
+# SAML Idp cert
+*.cert

CHANGELOG.md

@@ -2,15 +2,235 @@
 
 All notable changes to this project will be documented in this file.
 
+
+
+
+
+
 ## [Unreleased]
 
 ### ✨ New Features
 
-- 🪄 feat: Agent Artifacts by **@danny-avila** in [#5804](https://github.com/danny-avila/LibreChat/pull/5804)
+- ✨ feat: implement search parameter updates by **@mawburn** in [#7151](https://github.com/danny-avila/LibreChat/pull/7151)
+- 🎏 feat: Add MCP support for Streamable HTTP Transport by **@benverhees** in [#7353](https://github.com/danny-avila/LibreChat/pull/7353)
+- 🔒 feat: Add Content Security Policy using Helmet middleware by **@rubentalstra** in [#7377](https://github.com/danny-avila/LibreChat/pull/7377)
+- ✨ feat: Add Normalization for MCP Server Names by **@danny-avila** in [#7421](https://github.com/danny-avila/LibreChat/pull/7421)
+- 📊 feat: Improve Helm Chart by **@hofq** in [#3638](https://github.com/danny-avila/LibreChat/pull/3638)
+- 🦾 feat: Claude-4 Support by **@danny-avila** in [#7509](https://github.com/danny-avila/LibreChat/pull/7509)
+- 🪨 feat: Bedrock Support for Claude-4 Reasoning by **@danny-avila** in [#7517](https://github.com/danny-avila/LibreChat/pull/7517)
+
+### 🌍 Internationalization
+
+- 🌍 i18n: Add `Danish` and `Czech` and `Catalan` localization support by **@rubentalstra** in [#7373](https://github.com/danny-avila/LibreChat/pull/7373)
+- 🌍 i18n: Update translation.json with latest translations by **@github-actions[bot]** in [#7375](https://github.com/danny-avila/LibreChat/pull/7375)
+- 🌍 i18n: Update translation.json with latest translations by **@github-actions[bot]** in [#7468](https://github.com/danny-avila/LibreChat/pull/7468)
+
+### 🔧 Fixes
+
+- 💬 fix: update aria-label for accessibility in ConvoLink component by **@berry-13** in [#7320](https://github.com/danny-avila/LibreChat/pull/7320)
+- 🔑 fix: use `apiKey` instead of `openAIApiKey` in OpenAI-like Config by **@danny-avila** in [#7337](https://github.com/danny-avila/LibreChat/pull/7337)
+- 🔄 fix: update navigation logic in `useFocusChatEffect` to ensure correct search parameters are used by **@mawburn** in [#7340](https://github.com/danny-avila/LibreChat/pull/7340)
+- 🔄 fix: Improve MCP Connection Cleanup by **@danny-avila** in [#7400](https://github.com/danny-avila/LibreChat/pull/7400)
+- 🛡️ fix: Preset and Validation Logic for URL Query Params by **@danny-avila** in [#7407](https://github.com/danny-avila/LibreChat/pull/7407)
+- 🌘 fix: artifact of preview text is illegible in dark mode by **@nhtruong** in [#7405](https://github.com/danny-avila/LibreChat/pull/7405)
+- 🛡️ fix: Temporarily Remove CSP until Configurable by **@danny-avila** in [#7419](https://github.com/danny-avila/LibreChat/pull/7419)
+- 💽 fix: Exclude index page `/` from static cache settings by **@sbruel** in [#7382](https://github.com/danny-avila/LibreChat/pull/7382)
 
 ### ⚙️ Other Changes
 
-- 🔄 chore: Enforce 18next Language Keys by **@rubentalstra** in [#5803](https://github.com/danny-avila/LibreChat/pull/5803)
-- 🔃 refactor: Parent Message ID Handling on Error, Update Translations, Bump Agents by **@danny-avila** in [#5833](https://github.com/danny-avila/LibreChat/pull/5833)
+- 📜 docs: CHANGELOG for release v0.7.8 by **@github-actions[bot]** in [#7290](https://github.com/danny-avila/LibreChat/pull/7290)
+- 📦 chore: Update API Package Dependencies by **@danny-avila** in [#7359](https://github.com/danny-avila/LibreChat/pull/7359)
+- 📜 docs: Unreleased Changelog by **@github-actions[bot]** in [#7321](https://github.com/danny-avila/LibreChat/pull/7321)
+- 📜 docs: Unreleased Changelog by **@github-actions[bot]** in [#7434](https://github.com/danny-avila/LibreChat/pull/7434)
+- 🛡️ chore: `multer` v2.0.0 for CVE-2025-47935 and CVE-2025-47944 by **@danny-avila** in [#7454](https://github.com/danny-avila/LibreChat/pull/7454)
+- 📂 refactor: Improve `FileAttachment` & File Form Deletion by **@danny-avila** in [#7471](https://github.com/danny-avila/LibreChat/pull/7471)
+- 📊 chore: Remove Old Helm Chart by **@hofq** in [#7512](https://github.com/danny-avila/LibreChat/pull/7512)
+- 🪖 chore: bump helm app version to v0.7.8 by **@austin-barrington** in [#7524](https://github.com/danny-avila/LibreChat/pull/7524)
+
+
+
+---
+## [v0.7.8] - 
+
+Changes from v0.7.8-rc1 to v0.7.8.
+
+### ✨ New Features
+
+- ✨ feat: Enhance form submission for touch screens by **@berry-13** in [#7198](https://github.com/danny-avila/LibreChat/pull/7198)
+- 🔍 feat: Additional Tavily API Tool Parameters by **@glowforge-opensource** in [#7232](https://github.com/danny-avila/LibreChat/pull/7232)
+- 🐋 feat: Add python to Dockerfile for increased MCP compatibility by **@technicalpickles** in [#7270](https://github.com/danny-avila/LibreChat/pull/7270)
+
+### 🔧 Fixes
+
+- 🔧 fix: Google Gemma Support & OpenAI Reasoning Instructions by **@danny-avila** in [#7196](https://github.com/danny-avila/LibreChat/pull/7196)
+- 🛠️ fix: Conversation Navigation State by **@danny-avila** in [#7210](https://github.com/danny-avila/LibreChat/pull/7210)
+- 🔄 fix: o-Series Model Regex for System Messages by **@danny-avila** in [#7245](https://github.com/danny-avila/LibreChat/pull/7245)
+- 🔖 fix: Custom Headers for Initial MCP SSE Connection by **@danny-avila** in [#7246](https://github.com/danny-avila/LibreChat/pull/7246)
+- 🛡️ fix: Deep Clone `MCPOptions` for User MCP Connections by **@danny-avila** in [#7247](https://github.com/danny-avila/LibreChat/pull/7247)
+- 🔄 fix: URL Param Race Condition and File Draft Persistence by **@danny-avila** in [#7257](https://github.com/danny-avila/LibreChat/pull/7257)
+- 🔄 fix: Assistants Endpoint & Minor Issues by **@danny-avila** in [#7274](https://github.com/danny-avila/LibreChat/pull/7274)
+- 🔄 fix: Ollama Think Tag Edge Case with Tools by **@danny-avila** in [#7275](https://github.com/danny-avila/LibreChat/pull/7275)
+
+### ⚙️ Other Changes
+
+- 📜 docs: CHANGELOG for release v0.7.8-rc1 by **@github-actions[bot]** in [#7153](https://github.com/danny-avila/LibreChat/pull/7153)
+- 🔄 refactor: Artifact Visibility Management by **@danny-avila** in [#7181](https://github.com/danny-avila/LibreChat/pull/7181)
+- 📦 chore: Bump Package Security by **@danny-avila** in [#7183](https://github.com/danny-avila/LibreChat/pull/7183)
+- 🌿 refactor: Unmount Fork Popover on Hide for Better Performance by **@danny-avila** in [#7189](https://github.com/danny-avila/LibreChat/pull/7189)
+- 🧰 chore: ESLint configuration to enforce Prettier formatting rules by **@mawburn** in [#7186](https://github.com/danny-avila/LibreChat/pull/7186)
+- 🎨 style: Improve KaTeX Rendering for LaTeX Equations by **@andresgit** in [#7223](https://github.com/danny-avila/LibreChat/pull/7223)
+- 📝 docs: Update `.env.example` Google models by **@marlonka** in [#7254](https://github.com/danny-avila/LibreChat/pull/7254)
+- 💬 refactor: MCP Chat Visibility Option, Google Rates, Remove OpenAPI Plugins by **@danny-avila** in [#7286](https://github.com/danny-avila/LibreChat/pull/7286)
+- 📜 docs: Unreleased Changelog by **@github-actions[bot]** in [#7214](https://github.com/danny-avila/LibreChat/pull/7214)
+
+
+
+[See full release details][release-v0.7.8]
+
+[release-v0.7.8]: https://github.com/danny-avila/LibreChat/releases/tag/v0.7.8
+
+---
+## [v0.7.8-rc1] - 
+
+Changes from v0.7.7 to v0.7.8-rc1.
+
+### ✨ New Features
+
+- 🔍 feat: Mistral OCR API / Upload Files as Text by **@danny-avila** in [#6274](https://github.com/danny-avila/LibreChat/pull/6274)
+- 🤖 feat: Support OpenAI Web Search models by **@danny-avila** in [#6313](https://github.com/danny-avila/LibreChat/pull/6313)
+- 🔗 feat: Agent Chain (Mixture-of-Agents) by **@danny-avila** in [#6374](https://github.com/danny-avila/LibreChat/pull/6374)
+- ⌛ feat: `initTimeout` for Slow Starting MCP Servers by **@perweij** in [#6383](https://github.com/danny-avila/LibreChat/pull/6383)
+- 🚀 feat: `S3` Integration for File handling and Image uploads by **@rubentalstra** in [#6142](https://github.com/danny-avila/LibreChat/pull/6142)
+- 🔒feat: Enable OpenID Auto-Redirect by **@leondape** in [#6066](https://github.com/danny-avila/LibreChat/pull/6066)
+- 🚀 feat: Integrate `Azure Blob Storage` for file handling and image uploads by **@rubentalstra** in [#6153](https://github.com/danny-avila/LibreChat/pull/6153)
+- 🚀 feat: Add support for custom `AWS` endpoint in `S3` by **@rubentalstra** in [#6431](https://github.com/danny-avila/LibreChat/pull/6431)
+- 🚀 feat: Add support for LDAP STARTTLS in LDAP authentication by **@rubentalstra** in [#6438](https://github.com/danny-avila/LibreChat/pull/6438)
+- 🚀 feat: Refactor schema exports and update package version to 0.0.4 by **@rubentalstra** in [#6455](https://github.com/danny-avila/LibreChat/pull/6455)
+- 🔼 feat: Add Auto Submit For URL Query Params by **@mjaverto** in [#6440](https://github.com/danny-avila/LibreChat/pull/6440)
+- 🛠 feat: Enhance Redis Integration, Rate Limiters & Log Headers by **@danny-avila** in [#6462](https://github.com/danny-avila/LibreChat/pull/6462)
+- 💵 feat: Add Automatic Balance Refill by **@rubentalstra** in [#6452](https://github.com/danny-avila/LibreChat/pull/6452)
+- 🗣️ feat: add support for gpt-4o-transcribe models by **@berry-13** in [#6483](https://github.com/danny-avila/LibreChat/pull/6483)
+- 🎨 feat: UI Refresh for Enhanced UX by **@berry-13** in [#6346](https://github.com/danny-avila/LibreChat/pull/6346)
+- 🌍 feat: Add support for Hungarian language localization by **@rubentalstra** in [#6508](https://github.com/danny-avila/LibreChat/pull/6508)
+- 🚀 feat: Add Gemini 2.5 Token/Context Values, Increase Max Possible Output to 64k by **@danny-avila** in [#6563](https://github.com/danny-avila/LibreChat/pull/6563)
+- 🚀 feat: Enhance MCP Connections For Multi-User Support by **@danny-avila** in [#6610](https://github.com/danny-avila/LibreChat/pull/6610)
+- 🚀 feat: Enhance S3 URL Expiry with Refresh; fix: S3 File Deletion by **@danny-avila** in [#6647](https://github.com/danny-avila/LibreChat/pull/6647)
+- 🚀 feat: enhance UI components and refactor settings by **@berry-13** in [#6625](https://github.com/danny-avila/LibreChat/pull/6625)
+- 💬 feat: move TemporaryChat to the Header by **@berry-13** in [#6646](https://github.com/danny-avila/LibreChat/pull/6646)
+- 🚀 feat: Use Model Specs + Specific Endpoints, Limit Providers for Agents by **@danny-avila** in [#6650](https://github.com/danny-avila/LibreChat/pull/6650)
+- 🪙 feat: Sync Balance Config on Login by **@danny-avila** in [#6671](https://github.com/danny-avila/LibreChat/pull/6671)
+- 🔦 feat: MCP Support for Non-Agent Endpoints by **@danny-avila** in [#6775](https://github.com/danny-avila/LibreChat/pull/6775)
+- 🗃️ feat: Code Interpreter File Persistence between Sessions by **@danny-avila** in [#6790](https://github.com/danny-avila/LibreChat/pull/6790)
+- 🖥️ feat: Code Interpreter API for Non-Agent Endpoints by **@danny-avila** in [#6803](https://github.com/danny-avila/LibreChat/pull/6803)
+- ⚡ feat: Self-hosted Artifacts Static Bundler URL by **@danny-avila** in [#6827](https://github.com/danny-avila/LibreChat/pull/6827)
+- 🐳 feat: Add Jemalloc and UV to Docker Builds by **@danny-avila** in [#6836](https://github.com/danny-avila/LibreChat/pull/6836)
+- 🤖 feat: GPT-4.1 by **@danny-avila** in [#6880](https://github.com/danny-avila/LibreChat/pull/6880)
+- 👋 feat: remove Edge TTS by **@berry-13** in [#6885](https://github.com/danny-avila/LibreChat/pull/6885)
+- feat: nav optimization  by **@berry-13** in [#5785](https://github.com/danny-avila/LibreChat/pull/5785)
+- 🗺️ feat: Add Parameter Location Mapping for OpenAPI actions by **@peeeteeer** in [#6858](https://github.com/danny-avila/LibreChat/pull/6858)
+- 🤖 feat: Support `o4-mini` and `o3` Models by **@danny-avila** in [#6928](https://github.com/danny-avila/LibreChat/pull/6928)
+- 🎨 feat: OpenAI Image Tools (GPT-Image-1) by **@danny-avila** in [#7079](https://github.com/danny-avila/LibreChat/pull/7079)
+- 🗓️ feat: Add Special Variables for Prompts & Agents, Prompt UI Improvements by **@danny-avila** in [#7123](https://github.com/danny-avila/LibreChat/pull/7123)
+
+### 🌍 Internationalization
+
+- 🌍 i18n: Add Thai Language Support and Update Translations by **@rubentalstra** in [#6219](https://github.com/danny-avila/LibreChat/pull/6219)
+- 🌍 i18n: Update translation.json with latest translations by **@github-actions[bot]** in [#6220](https://github.com/danny-avila/LibreChat/pull/6220)
+- 🌍 i18n: Update translation.json with latest translations by **@github-actions[bot]** in [#6240](https://github.com/danny-avila/LibreChat/pull/6240)
+- 🌍 i18n: Update translation.json with latest translations by **@github-actions[bot]** in [#6241](https://github.com/danny-avila/LibreChat/pull/6241)
+- 🌍 i18n: Update translation.json with latest translations by **@github-actions[bot]** in [#6277](https://github.com/danny-avila/LibreChat/pull/6277)
+- 🌍 i18n: Update translation.json with latest translations by **@github-actions[bot]** in [#6414](https://github.com/danny-avila/LibreChat/pull/6414)
+- 🌍 i18n: Update translation.json with latest translations by **@github-actions[bot]** in [#6505](https://github.com/danny-avila/LibreChat/pull/6505)
+- 🌍 i18n: Update translation.json with latest translations by **@github-actions[bot]** in [#6530](https://github.com/danny-avila/LibreChat/pull/6530)
+- 🌍 i18n: Add Persian Localization Support by **@rubentalstra** in [#6669](https://github.com/danny-avila/LibreChat/pull/6669)
+- 🌍 i18n: Update translation.json with latest translations by **@github-actions[bot]** in [#6667](https://github.com/danny-avila/LibreChat/pull/6667)
+- 🌍 i18n: Update translation.json with latest translations by **@github-actions[bot]** in [#7126](https://github.com/danny-avila/LibreChat/pull/7126)
+- 🌍 i18n: Update translation.json with latest translations by **@github-actions[bot]** in [#7148](https://github.com/danny-avila/LibreChat/pull/7148)
+
+### 👐 Accessibility
+
+- 🎨 a11y: Update Model Spec Description Text by **@berry-13** in [#6294](https://github.com/danny-avila/LibreChat/pull/6294)
+- 🗑️ a11y: Add Accessible Name to Button for File Attachment Removal by **@kangabell** in [#6709](https://github.com/danny-avila/LibreChat/pull/6709)
+- ⌨️ a11y: enhance accessibility & visual consistency by **@berry-13** in [#6866](https://github.com/danny-avila/LibreChat/pull/6866)
+- 🙌 a11y: Searchbar/Conversations List Focus by **@danny-avila** in [#7096](https://github.com/danny-avila/LibreChat/pull/7096)
+- 👐 a11y: Improve Fork and SplitText Accessibility by **@danny-avila** in [#7147](https://github.com/danny-avila/LibreChat/pull/7147)
+
+### 🔧 Fixes
+
+- 🐛 fix: Avatar Type Definitions in Agent/Assistant Schemas by **@danny-avila** in [#6235](https://github.com/danny-avila/LibreChat/pull/6235)
+- 🔧 fix: MeiliSearch Field Error and Patch Incorrect Import by #6210 by **@rubentalstra** in [#6245](https://github.com/danny-avila/LibreChat/pull/6245)
+- 🔏 fix: Enhance Two-Factor Authentication by **@rubentalstra** in [#6247](https://github.com/danny-avila/LibreChat/pull/6247)
+- 🐛 fix: Await saveMessage in abortMiddleware to ensure proper execution by **@sh4shii** in [#6248](https://github.com/danny-avila/LibreChat/pull/6248)
+- 🔧 fix: Axios Proxy Usage And Bump `mongoose` by **@danny-avila** in [#6298](https://github.com/danny-avila/LibreChat/pull/6298)
+- 🔧 fix: comment out MCP servers to resolve service run issues by **@KunalScriptz** in [#6316](https://github.com/danny-avila/LibreChat/pull/6316)
+- 🔧 fix: Update Token Calculations and Mapping, MCP `env` Initialization by **@danny-avila** in [#6406](https://github.com/danny-avila/LibreChat/pull/6406)
+- 🐞 fix: Agent "Resend" Message Attachments + Source Icon Styling by **@danny-avila** in [#6408](https://github.com/danny-avila/LibreChat/pull/6408)
+- 🐛 fix: Prevent Crash on Duplicate Message ID by **@Odrec** in [#6392](https://github.com/danny-avila/LibreChat/pull/6392)
+- 🔐 fix: Invalid Key Length in 2FA Encryption by **@rubentalstra** in [#6432](https://github.com/danny-avila/LibreChat/pull/6432)
+- 🏗️ fix: Fix Agents Token Spend Race Conditions, Expand Test Coverage by **@danny-avila** in [#6480](https://github.com/danny-avila/LibreChat/pull/6480)
+- 🔃 fix: Draft Clearing, Claude Titles, Remove Default Vision Max Tokens by **@danny-avila** in [#6501](https://github.com/danny-avila/LibreChat/pull/6501)
+- 🔧 fix: Update username reference to use user.name in greeting display by **@rubentalstra** in [#6534](https://github.com/danny-avila/LibreChat/pull/6534)
+- 🔧 fix: S3 Download Stream with Key Extraction and Blob Storage Encoding for Vision by **@danny-avila** in [#6557](https://github.com/danny-avila/LibreChat/pull/6557)
+- 🔧 fix: Mistral type strictness for `usage` & update token values/windows by **@danny-avila** in [#6562](https://github.com/danny-avila/LibreChat/pull/6562)
+- 🔧 fix: Consolidate Text Parsing and TTS Edge Initialization by **@danny-avila** in [#6582](https://github.com/danny-avila/LibreChat/pull/6582)
+- 🔧 fix: Ensure continuation in image processing on base64 encoding from Blob Storage by **@danny-avila** in [#6619](https://github.com/danny-avila/LibreChat/pull/6619)
+- ✉️ fix: Fallback For User Name In Email Templates by **@danny-avila** in [#6620](https://github.com/danny-avila/LibreChat/pull/6620)
+- 🔧 fix: Azure Blob Integration and File Source References by **@rubentalstra** in [#6575](https://github.com/danny-avila/LibreChat/pull/6575)
+- 🐛 fix: Safeguard against undefined addedEndpoints by **@wipash** in [#6654](https://github.com/danny-avila/LibreChat/pull/6654)
+- 🤖 fix: Gemini 2.5 Vision Support by **@danny-avila** in [#6663](https://github.com/danny-avila/LibreChat/pull/6663)
+- 🔄 fix: Avatar & Error Handling Enhancements by **@danny-avila** in [#6687](https://github.com/danny-avila/LibreChat/pull/6687)
+- 🔧 fix: Chat Middleware, Zod Conversion, Auto-Save and S3 URL Refresh by **@danny-avila** in [#6720](https://github.com/danny-avila/LibreChat/pull/6720)
+- 🔧 fix: Agent Capability Checks & DocumentDB Compatibility for Agent Resource Removal by **@danny-avila** in [#6726](https://github.com/danny-avila/LibreChat/pull/6726)
+- 🔄 fix: Improve audio MIME type detection and handling by **@berry-13** in [#6707](https://github.com/danny-avila/LibreChat/pull/6707)
+- 🪺 fix: Update Role Handling due to New Schema Shape by **@danny-avila** in [#6774](https://github.com/danny-avila/LibreChat/pull/6774)
+- 🗨️ fix: Show ModelSpec Greeting by **@berry-13** in [#6770](https://github.com/danny-avila/LibreChat/pull/6770)
+- 🔧 fix: Keyv and Proxy Issues, and More Memory Optimizations by **@danny-avila** in [#6867](https://github.com/danny-avila/LibreChat/pull/6867)
+- ✨ fix: Implement dynamic text sizing for greeting and name display by **@berry-13** in [#6833](https://github.com/danny-avila/LibreChat/pull/6833)
+- 📝 fix: Mistral OCR Image Support and Azure Agent Titles by **@danny-avila** in [#6901](https://github.com/danny-avila/LibreChat/pull/6901)
+- 📢 fix: Invalid `engineTTS` and Conversation State on Navigation by **@berry-13** in [#6904](https://github.com/danny-avila/LibreChat/pull/6904)
+- 🛠️ fix: Improve Accessibility and Display of Conversation Menu by **@danny-avila** in [#6913](https://github.com/danny-avila/LibreChat/pull/6913)
+- 🔧 fix: Agent Resource Form, Convo Menu Style, Ensure Draft Clears on Submission by **@danny-avila** in [#6925](https://github.com/danny-avila/LibreChat/pull/6925)
+- 🔀 fix: MCP Improvements, Auto-Save Drafts, Artifact Markup by **@danny-avila** in [#7040](https://github.com/danny-avila/LibreChat/pull/7040)
+- 🐋 fix: Improve Deepseek Compatbility by **@danny-avila** in [#7132](https://github.com/danny-avila/LibreChat/pull/7132)
+- 🐙 fix: Add Redis Ping Interval to Prevent Connection Drops by **@peeeteeer** in [#7127](https://github.com/danny-avila/LibreChat/pull/7127)
+
+### ⚙️ Other Changes
+
+- 📦 refactor: Move DB Models to `@librechat/data-schemas` by **@rubentalstra** in [#6210](https://github.com/danny-avila/LibreChat/pull/6210)
+- 📦 chore: Patch `axios` to address CVE-2025-27152 by **@danny-avila** in [#6222](https://github.com/danny-avila/LibreChat/pull/6222)
+- ⚠️ refactor: Use Error Content Part Instead Of Throwing Error for Agents by **@danny-avila** in [#6262](https://github.com/danny-avila/LibreChat/pull/6262)
+- 🏃‍♂️ refactor: Improve Agent Run Context & Misc. Changes by **@danny-avila** in [#6448](https://github.com/danny-avila/LibreChat/pull/6448)
+- 📝 docs: librechat.example.yaml by **@ineiti** in [#6442](https://github.com/danny-avila/LibreChat/pull/6442)
+- 🏃‍♂️ refactor: More Agent Context Improvements during Run by **@danny-avila** in [#6477](https://github.com/danny-avila/LibreChat/pull/6477)
+- 🔃 refactor: Allow streaming for `o1` models by **@danny-avila** in [#6509](https://github.com/danny-avila/LibreChat/pull/6509)
+- 🔧 chore: `Vite` Plugin Upgrades & Config Optimizations by **@rubentalstra** in [#6547](https://github.com/danny-avila/LibreChat/pull/6547)
+- 🔧 refactor: Consolidate Logging, Model Selection & Actions Optimizations, Minor Fixes by **@danny-avila** in [#6553](https://github.com/danny-avila/LibreChat/pull/6553)
+- 🎨 style: Address Minor UI Refresh Issues by **@berry-13** in [#6552](https://github.com/danny-avila/LibreChat/pull/6552)
+- 🔧 refactor: Enhance Model & Endpoint Configurations with Global Indicators 🌍 by **@berry-13** in [#6578](https://github.com/danny-avila/LibreChat/pull/6578)
+- 💬 style: Chat UI, Greeting, and Message adjustments by **@berry-13** in [#6612](https://github.com/danny-avila/LibreChat/pull/6612)
+- ⚡ refactor: DocumentDB Compatibility for Balance Updates by **@danny-avila** in [#6673](https://github.com/danny-avila/LibreChat/pull/6673)
+- 🧹 chore: Update ESLint rules for React hooks by **@rubentalstra** in [#6685](https://github.com/danny-avila/LibreChat/pull/6685)
+- 🪙 chore: Update Gemini Pricing by **@RedwindA** in [#6731](https://github.com/danny-avila/LibreChat/pull/6731)
+- 🪺 refactor: Nest Permission fields for Roles by **@rubentalstra** in [#6487](https://github.com/danny-avila/LibreChat/pull/6487)
+- 📦 chore: Update `caniuse-lite` dependency to version 1.0.30001706 by **@rubentalstra** in [#6482](https://github.com/danny-avila/LibreChat/pull/6482)
+- ⚙️ refactor: OAuth Flow Signal, Type Safety, Tool Progress & Updated Packages by **@danny-avila** in [#6752](https://github.com/danny-avila/LibreChat/pull/6752)
+- 📦 chore: bump vite from 6.2.3 to 6.2.5 by **@dependabot[bot]** in [#6745](https://github.com/danny-avila/LibreChat/pull/6745)
+- 💾 chore: Enhance Local Storage Handling and Update MCP SDK by **@danny-avila** in [#6809](https://github.com/danny-avila/LibreChat/pull/6809)
+- 🤖 refactor: Improve Agents Memory Usage, Bump Keyv, Grok 3 by **@danny-avila** in [#6850](https://github.com/danny-avila/LibreChat/pull/6850)
+- 💾 refactor: Enhance Memory In Image Encodings & Client Disposal by **@danny-avila** in [#6852](https://github.com/danny-avila/LibreChat/pull/6852)
+- 🔁 refactor: Token Event Handler and Standardize `maxTokens` Key by **@danny-avila** in [#6886](https://github.com/danny-avila/LibreChat/pull/6886)
+- 🔍 refactor: Search & Message Retrieval by **@berry-13** in [#6903](https://github.com/danny-avila/LibreChat/pull/6903)
+- 🎨 style: standardize dropdown styling & fix z-Index layering by **@berry-13** in [#6939](https://github.com/danny-avila/LibreChat/pull/6939)
+- 📙 docs: CONTRIBUTING.md by **@dblock** in [#6831](https://github.com/danny-avila/LibreChat/pull/6831)
+- 🧭 refactor: Modernize Nav/Header by **@danny-avila** in [#7094](https://github.com/danny-avila/LibreChat/pull/7094)
+- 🪶 refactor: Chat Input Focus for Conversation Navigations & ChatForm Optimizations by **@danny-avila** in [#7100](https://github.com/danny-avila/LibreChat/pull/7100)
+- 🔃 refactor: Streamline Navigation, Message Loading UX by **@danny-avila** in [#7118](https://github.com/danny-avila/LibreChat/pull/7118)
+- 📜 docs: Unreleased changelog by **@github-actions[bot]** in [#6265](https://github.com/danny-avila/LibreChat/pull/6265)
+
+
+
+[See full release details][release-v0.7.8-rc1]
+
+[release-v0.7.8-rc1]: https://github.com/danny-avila/LibreChat/releases/tag/v0.7.8-rc1
 
 ---

Dockerfile

@@ -1,9 +1,18 @@
-# v0.7.7
+# v0.7.8
 
 # Base node image
 FROM node:20-alpine AS node
 
-RUN apk --no-cache add curl
+# Install jemalloc
+RUN apk add --no-cache jemalloc
+RUN apk add --no-cache python3 py3-pip uv
+
+# Set environment variable to use jemalloc
+ENV LD_PRELOAD=/usr/lib/libjemalloc.so.2
+
+# Add `uv` for extended MCP support
+COPY --from=ghcr.io/astral-sh/uv:0.6.13 /uv /uvx /bin/
+RUN uv --version
 
 RUN mkdir -p /app && chown node:node /app
 WORKDIR /app
@@ -38,4 +47,4 @@ CMD ["npm", "run", "backend"]
 # WORKDIR /usr/share/nginx/html
 # COPY --from=node /app/client/dist /usr/share/nginx/html
 # COPY client/nginx.conf /etc/nginx/conf.d/default.conf
-# ENTRYPOINT ["nginx", "-g", "daemon off;"]
+# ENTRYPOINT ["nginx", "-g", "daemon off;"]

Dockerfile.multi

@@ -1,8 +1,12 @@
 # Dockerfile.multi
-# v0.7.7
+# v0.7.8
 
 # Base for all builds
 FROM node:20-alpine AS base-min
+# Install jemalloc
+RUN apk add --no-cache jemalloc
+# Set environment variable to use jemalloc
+ENV LD_PRELOAD=/usr/lib/libjemalloc.so.2
 WORKDIR /app
 RUN apk --no-cache add curl
 RUN npm config set fetch-retry-maxtimeout 600000 && \
@@ -50,6 +54,9 @@ RUN npm run build
 
 # API setup (including client dist)
 FROM base-min AS api-build
+# Add `uv` for extended MCP support
+COPY --from=ghcr.io/astral-sh/uv:0.6.13 /uv /uvx /bin/
+RUN uv --version
 WORKDIR /app
 # Install only production deps
 RUN npm ci --omit=dev

README.md

@@ -71,9 +71,19 @@
     - [Model Context Protocol (MCP) Support](https://modelcontextprotocol.io/clients#librechat) for Tools
   - Use LibreChat Agents and OpenAI Assistants with Files, Code Interpreter, Tools, and API Actions
 
+- 🔍 **Web Search**:  
+  - Search the internet and retrieve relevant information to enhance your AI context
+  - Combines search providers, content scrapers, and result rerankers for optimal results
+  - **[Learn More →](https://www.librechat.ai/docs/features/web_search)**
+
 - 🪄 **Generative UI with Code Artifacts**:  
   - [Code Artifacts](https://youtu.be/GfTj7O4gmd0?si=WJbdnemZpJzBrJo3) allow creation of React, HTML, and Mermaid diagrams directly in chat
 
+- 🎨 **Image Generation & Editing**
+  - Text-to-image and image-to-image with [GPT-Image-1](https://www.librechat.ai/docs/features/image_gen#1--openai-image-tools-recommended)
+  - Text-to-image with [DALL-E (3/2)](https://www.librechat.ai/docs/features/image_gen#2--dalle-legacy), [Stable Diffusion](https://www.librechat.ai/docs/features/image_gen#3--stable-diffusion-local), [Flux](https://www.librechat.ai/docs/features/image_gen#4--flux), or any [MCP server](https://www.librechat.ai/docs/features/image_gen#5--model-context-protocol-mcp)
+  - Produce stunning visuals from prompts or refine existing images with a single instruction
+
 - 💾 **Presets & Context Management**:  
   - Create, Save, & Share Custom Presets  
   - Switch between AI Endpoints and Presets mid-chat

api/app/clients/AnthropicClient.js

@@ -2,12 +2,14 @@ const Anthropic = require('@anthropic-ai/sdk');
 const { HttpsProxyAgent } = require('https-proxy-agent');
 const {
   Constants,
+  ErrorTypes,
   EModelEndpoint,
+  parseTextParts,
   anthropicSettings,
   getResponseSender,
   validateVisionModel,
 } = require('librechat-data-provider');
-const { SplitStreamHandler: _Handler, GraphEvents } = require('@librechat/agents');
+const { SplitStreamHandler: _Handler } = require('@librechat/agents');
 const {
   truncateText,
   formatMessage,
@@ -24,10 +26,11 @@ const {
 const { getModelMaxTokens, getModelMaxOutputTokens, matchModelName } = require('~/utils');
 const { spendTokens, spendStructuredTokens } = require('~/models/spendTokens');
 const { encodeAndFormat } = require('~/server/services/Files/images/encode');
+const { createFetch, createStreamEventHandlers } = require('./generators');
 const Tokenizer = require('~/server/services/Tokenizer');
-const { logger, sendEvent } = require('~/config');
 const { sleep } = require('~/server/utils');
 const BaseClient = require('./BaseClient');
+const { logger } = require('~/config');
 
 const HUMAN_PROMPT = '\n\nHuman:';
 const AI_PROMPT = '\n\nAssistant:';
@@ -67,13 +70,10 @@ class AnthropicClient extends BaseClient {
     this.message_delta;
     /** Whether the model is part of the Claude 3 Family
      * @type {boolean} */
-    this.isClaude3;
+    this.isClaudeLatest;
     /** Whether to use Messages API or Completions API
      * @type {boolean} */
     this.useMessages;
-    /** Whether or not the model is limited to the legacy amount of output tokens
-     * @type {boolean} */
-    this.isLegacyOutput;
     /** Whether or not the model supports Prompt Caching
      * @type {boolean} */
     this.supportsCacheControl;
@@ -113,21 +113,25 @@ class AnthropicClient extends BaseClient {
     );
 
     const modelMatch = matchModelName(this.modelOptions.model, EModelEndpoint.anthropic);
-    this.isClaude3 = modelMatch.includes('claude-3');
-    this.isLegacyOutput = !(
-      /claude-3[-.]5-sonnet/.test(modelMatch) || /claude-3[-.]7/.test(modelMatch)
+    this.isClaudeLatest =
+      /claude-[3-9]/.test(modelMatch) || /claude-(?:sonnet|opus|haiku)-[4-9]/.test(modelMatch);
+    const isLegacyOutput = !(
+      /claude-3[-.]5-sonnet/.test(modelMatch) ||
+      /claude-3[-.]7/.test(modelMatch) ||
+      /claude-(?:sonnet|opus|haiku)-[4-9]/.test(modelMatch) ||
+      /claude-[4-9]/.test(modelMatch)
     );
     this.supportsCacheControl = this.options.promptCache && checkPromptCacheSupport(modelMatch);
 
     if (
-      this.isLegacyOutput &&
+      isLegacyOutput &&
       this.modelOptions.maxOutputTokens &&
       this.modelOptions.maxOutputTokens > legacy.maxOutputTokens.default
     ) {
       this.modelOptions.maxOutputTokens = legacy.maxOutputTokens.default;
     }
 
-    this.useMessages = this.isClaude3 || !!this.options.attachments;
+    this.useMessages = this.isClaudeLatest || !!this.options.attachments;
 
     this.defaultVisionModel = this.options.visionModel ?? 'claude-3-sonnet-20240229';
     this.options.attachments?.then((attachments) => this.checkVisionRequest(attachments));
@@ -147,12 +151,17 @@ class AnthropicClient extends BaseClient {
     this.maxPromptTokens =
       this.options.maxPromptTokens || this.maxContextTokens - this.maxResponseTokens;
 
-    if (this.maxPromptTokens + this.maxResponseTokens > this.maxContextTokens) {
-      throw new Error(
-        `maxPromptTokens + maxOutputTokens (${this.maxPromptTokens} + ${this.maxResponseTokens} = ${
-          this.maxPromptTokens + this.maxResponseTokens
-        }) must be less than or equal to maxContextTokens (${this.maxContextTokens})`,
-      );
+    const reservedTokens = this.maxPromptTokens + this.maxResponseTokens;
+    if (reservedTokens > this.maxContextTokens) {
+      const info = `Total Possible Tokens + Max Output Tokens must be less than or equal to Max Context Tokens: ${this.maxPromptTokens} (total possible output) + ${this.maxResponseTokens} (max output) = ${reservedTokens}/${this.maxContextTokens} (max context)`;
+      const errorMessage = `{ "type": "${ErrorTypes.INPUT_LENGTH}", "info": "${info}" }`;
+      logger.warn(info);
+      throw new Error(errorMessage);
+    } else if (this.maxResponseTokens === this.maxContextTokens) {
+      const info = `Max Output Tokens must be less than Max Context Tokens: ${this.maxResponseTokens} (max output) = ${this.maxContextTokens} (max context)`;
+      const errorMessage = `{ "type": "${ErrorTypes.INPUT_LENGTH}", "info": "${info}" }`;
+      logger.warn(info);
+      throw new Error(errorMessage);
     }
 
     this.sender =
@@ -177,7 +186,10 @@ class AnthropicClient extends BaseClient {
   getClient(requestOptions) {
     /** @type {Anthropic.ClientOptions} */
     const options = {
-      fetch: this.fetch,
+      fetch: createFetch({
+        directEndpoint: this.options.directEndpoint,
+        reverseProxyUrl: this.options.reverseProxyUrl,
+      }),
       apiKey: this.apiKey,
     };
 
@@ -385,13 +397,13 @@ class AnthropicClient extends BaseClient {
     const formattedMessages = orderedMessages.map((message, i) => {
       const formattedMessage = this.useMessages
         ? formatMessage({
-          message,
-          endpoint: EModelEndpoint.anthropic,
-        })
+            message,
+            endpoint: EModelEndpoint.anthropic,
+          })
         : {
-          author: message.isCreatedByUser ? this.userLabel : this.assistantLabel,
-          content: message?.content ?? message.text,
-        };
+            author: message.isCreatedByUser ? this.userLabel : this.assistantLabel,
+            content: message?.content ?? message.text,
+          };
 
       const needsTokenCount = this.contextStrategy && !orderedMessages[i].tokenCount;
       /* If tokens were never counted, or, is a Vision request and the message has files, count again */
@@ -407,6 +419,9 @@ class AnthropicClient extends BaseClient {
             this.contextHandlers?.processFile(file);
             continue;
           }
+          if (file.metadata?.fileIdentifier) {
+            continue;
+          }
 
           orderedMessages[i].tokenCount += this.calculateImageTokenCost({
             width: file.width,
@@ -640,7 +655,10 @@ class AnthropicClient extends BaseClient {
       );
     };
 
-    if (this.modelOptions.model.includes('claude-3')) {
+    if (
+      /claude-[3-9]/.test(this.modelOptions.model) ||
+      /claude-(?:sonnet|opus|haiku)-[4-9]/.test(this.modelOptions.model)
+    ) {
       await buildMessagesPayload();
       processTokens();
       return {
@@ -666,7 +684,7 @@ class AnthropicClient extends BaseClient {
   }
 
   getCompletion() {
-    logger.debug('AnthropicClient doesn\'t use getCompletion (all handled in sendCompletion)');
+    logger.debug("AnthropicClient doesn't use getCompletion (all handled in sendCompletion)");
   }
 
   /**
@@ -689,6 +707,9 @@ class AnthropicClient extends BaseClient {
     return (msg) => {
       if (msg.text != null && msg.text && msg.text.startsWith(':::thinking')) {
         msg.text = msg.text.replace(/:::thinking.*?:::/gs, '').trim();
+      } else if (msg.content != null) {
+        msg.text = parseTextParts(msg.content, true);
+        delete msg.content;
       }
 
       return msg;
@@ -785,14 +806,11 @@ class AnthropicClient extends BaseClient {
     }
 
     logger.debug('[AnthropicClient]', { ...requestOptions });
+    const handlers = createStreamEventHandlers(this.options.res);
     this.streamHandler = new SplitStreamHandler({
       accumulate: true,
       runId: this.responseMessageId,
-      handlers: {
-        [GraphEvents.ON_RUN_STEP]: (event) => sendEvent(this.options.res, event),
-        [GraphEvents.ON_MESSAGE_DELTA]: (event) => sendEvent(this.options.res, event),
-        [GraphEvents.ON_REASONING_DELTA]: (event) => sendEvent(this.options.res, event),
-      },
+      handlers,
     });
 
     let intermediateReply = this.streamHandler.tokens;
@@ -874,7 +892,7 @@ class AnthropicClient extends BaseClient {
   }
 
   getBuildMessagesOptions() {
-    logger.debug('AnthropicClient doesn\'t use getBuildMessagesOptions');
+    logger.debug("AnthropicClient doesn't use getBuildMessagesOptions");
   }
 
   getEncoding() {

api/app/clients/BaseClient.js

@@ -5,14 +5,15 @@ const {
   isAgentsEndpoint,
   isParamEndpoint,
   EModelEndpoint,
+  ContentTypes,
   excludedKeys,
   ErrorTypes,
   Constants,
 } = require('librechat-data-provider');
 const { getMessages, saveMessage, updateMessage, saveConvo, getConvo } = require('~/models');
-const { addSpaceIfNeeded, isEnabled } = require('~/server/utils');
+const { checkBalance } = require('~/models/balanceMethods');
 const { truncateToolCallOutputs } = require('./prompts');
-const checkBalance = require('~/models/checkBalance');
+const { addSpaceIfNeeded } = require('~/server/utils');
 const { getFiles } = require('~/models/File');
 const TextStream = require('./TextStream');
 const { logger } = require('~/config');
@@ -27,15 +28,10 @@ class BaseClient {
       month: 'long',
       day: 'numeric',
     });
-    this.fetch = this.fetch.bind(this);
     /** @type {boolean} */
     this.skipSaveConvo = false;
     /** @type {boolean} */
     this.skipSaveUserMessage = false;
-    /** @type {ClientDatabaseSavePromise} */
-    this.userMessagePromise;
-    /** @type {ClientDatabaseSavePromise} */
-    this.responsePromise;
     /** @type {string} */
     this.user;
     /** @type {string} */
@@ -67,15 +63,15 @@ class BaseClient {
   }
 
   setOptions() {
-    throw new Error('Method \'setOptions\' must be implemented.');
+    throw new Error("Method 'setOptions' must be implemented.");
   }
 
   async getCompletion() {
-    throw new Error('Method \'getCompletion\' must be implemented.');
+    throw new Error("Method 'getCompletion' must be implemented.");
   }
 
   async sendCompletion() {
-    throw new Error('Method \'sendCompletion\' must be implemented.');
+    throw new Error("Method 'sendCompletion' must be implemented.");
   }
 
   getSaveOptions() {
@@ -241,11 +237,11 @@ class BaseClient {
     const userMessage = opts.isEdited
       ? this.currentMessages[this.currentMessages.length - 2]
       : this.createUserMessage({
-        messageId: userMessageId,
-        parentMessageId,
-        conversationId,
-        text: message,
-      });
+          messageId: userMessageId,
+          parentMessageId,
+          conversationId,
+          text: message,
+        });
 
     if (typeof opts?.getReqData === 'function') {
       opts.getReqData({
@@ -365,17 +361,14 @@ class BaseClient {
    *  context: TMessage[],
    *  remainingContextTokens: number,
    *  messagesToRefine: TMessage[],
-   *  summaryIndex: number,
-   * }>} An object with four properties: `context`, `summaryIndex`, `remainingContextTokens`, and `messagesToRefine`.
+   * }>} An object with three properties: `context`, `remainingContextTokens`, and `messagesToRefine`.
    *    `context` is an array of messages that fit within the token limit.
-   *    `summaryIndex` is the index of the first message in the `messagesToRefine` array.
    *    `remainingContextTokens` is the number of tokens remaining within the limit after adding the messages to the context.
    *    `messagesToRefine` is an array of messages that were not added to the context because they would have exceeded the token limit.
    */
   async getMessagesWithinTokenLimit({ messages: _messages, maxContextTokens, instructions }) {
     // Every reply is primed with <|start|>assistant<|message|>, so we
     // start with 3 tokens for the label after all messages have been counted.
-    let summaryIndex = -1;
     let currentTokenCount = 3;
     const instructionsTokenCount = instructions?.tokenCount ?? 0;
     let remainingContextTokens =
@@ -408,14 +401,12 @@ class BaseClient {
     }
 
     const prunedMemory = messages;
-    summaryIndex = prunedMemory.length - 1;
     remainingContextTokens -= currentTokenCount;
 
     return {
       context: context.reverse(),
       remainingContextTokens,
       messagesToRefine: prunedMemory,
-      summaryIndex,
     };
   }
 
@@ -458,7 +449,7 @@ class BaseClient {
 
     let orderedWithInstructions = this.addInstructions(orderedMessages, instructions);
 
-    let { context, remainingContextTokens, messagesToRefine, summaryIndex } =
+    let { context, remainingContextTokens, messagesToRefine } =
       await this.getMessagesWithinTokenLimit({
         messages: orderedWithInstructions,
         instructions,
@@ -528,7 +519,7 @@ class BaseClient {
     }
 
     // Make sure to only continue summarization logic if the summary message was generated
-    shouldSummarize = summaryMessage && shouldSummarize;
+    shouldSummarize = summaryMessage != null && shouldSummarize === true;
 
     logger.debug('[BaseClient] Context Count (2/2)', {
       remainingContextTokens,
@@ -538,17 +529,18 @@ class BaseClient {
     /** @type {Record<string, number> | undefined} */
     let tokenCountMap;
     if (buildTokenMap) {
-      tokenCountMap = orderedWithInstructions.reduce((map, message, index) => {
+      const currentPayload = shouldSummarize ? orderedWithInstructions : context;
+      tokenCountMap = currentPayload.reduce((map, message, index) => {
         const { messageId } = message;
         if (!messageId) {
           return map;
         }
 
-        if (shouldSummarize && index === summaryIndex && !usePrevSummary) {
+        if (shouldSummarize && index === messagesToRefine.length - 1 && !usePrevSummary) {
           map.summaryMessage = { ...summaryMessage, messageId, tokenCount: summaryTokenCount };
         }
 
-        map[messageId] = orderedWithInstructions[index].tokenCount;
+        map[messageId] = currentPayload[index].tokenCount;
         return map;
       }, {});
     }
@@ -567,6 +559,8 @@ class BaseClient {
   }
 
   async sendMessage(message, opts = {}) {
+    /** @type {Promise<TMessage>} */
+    let userMessagePromise;
     const { user, head, isEdited, conversationId, responseMessageId, saveOptions, userMessage } =
       await this.handleStartMethods(message, opts);
 
@@ -628,17 +622,18 @@ class BaseClient {
     }
 
     if (!isEdited && !this.skipSaveUserMessage) {
-      this.userMessagePromise = this.saveMessageToDatabase(userMessage, saveOptions, user);
+      userMessagePromise = this.saveMessageToDatabase(userMessage, saveOptions, user);
       this.savedMessageIds.add(userMessage.messageId);
       if (typeof opts?.getReqData === 'function') {
         opts.getReqData({
-          userMessagePromise: this.userMessagePromise,
+          userMessagePromise,
         });
       }
     }
 
+    const balance = this.options.req?.app?.locals?.balance;
     if (
-      isEnabled(process.env.CHECK_BALANCE) &&
+      balance?.enabled &&
       supportsBalanceCheck[this.options.endpointType ?? this.options.endpoint]
     ) {
       await checkBalance({
@@ -657,7 +652,9 @@ class BaseClient {
 
     /** @type {string|string[]|undefined} */
     const completion = await this.sendCompletion(payload, opts);
-    this.abortController.requestCompleted = true;
+    if (this.abortController) {
+      this.abortController.requestCompleted = true;
+    }
 
     /** @type {TMessage} */
     const responseMessage = {
@@ -678,7 +675,8 @@ class BaseClient {
       responseMessage.text = addSpaceIfNeeded(generation) + completion;
     } else if (
       Array.isArray(completion) &&
-      isParamEndpoint(this.options.endpoint, this.options.endpointType)
+      (this.clientName === EModelEndpoint.agents ||
+        isParamEndpoint(this.options.endpoint, this.options.endpointType))
     ) {
       responseMessage.text = '';
       responseMessage.content = completion;
@@ -704,7 +702,13 @@ class BaseClient {
       if (usage != null && Number(usage[this.outputTokensKey]) > 0) {
         responseMessage.tokenCount = usage[this.outputTokensKey];
         completionTokens = responseMessage.tokenCount;
-        await this.updateUserMessageTokenCount({ usage, tokenCountMap, userMessage, opts });
+        await this.updateUserMessageTokenCount({
+          usage,
+          tokenCountMap,
+          userMessage,
+          userMessagePromise,
+          opts,
+        });
       } else {
         responseMessage.tokenCount = this.getTokenCountForResponse(responseMessage);
         completionTokens = responseMessage.tokenCount;
@@ -713,8 +717,8 @@ class BaseClient {
       await this.recordTokenUsage({ promptTokens, completionTokens, usage });
     }
 
-    if (this.userMessagePromise) {
-      await this.userMessagePromise;
+    if (userMessagePromise) {
+      await userMessagePromise;
     }
 
     if (this.artifactPromises) {
@@ -729,7 +733,11 @@ class BaseClient {
       }
     }
 
-    this.responsePromise = this.saveMessageToDatabase(responseMessage, saveOptions, user);
+    responseMessage.databasePromise = this.saveMessageToDatabase(
+      responseMessage,
+      saveOptions,
+      user,
+    );
     this.savedMessageIds.add(responseMessage.messageId);
     delete responseMessage.tokenCount;
     return responseMessage;
@@ -750,9 +758,16 @@ class BaseClient {
    * @param {StreamUsage} params.usage
    * @param {Record<string, number>} params.tokenCountMap
    * @param {TMessage} params.userMessage
+   * @param {Promise<TMessage>} params.userMessagePromise
    * @param {object} params.opts
    */
-  async updateUserMessageTokenCount({ usage, tokenCountMap, userMessage, opts }) {
+  async updateUserMessageTokenCount({
+    usage,
+    tokenCountMap,
+    userMessage,
+    userMessagePromise,
+    opts,
+  }) {
     /** @type {boolean} */
     const shouldUpdateCount =
       this.calculateCurrentTokenCount != null &&
@@ -788,7 +803,7 @@ class BaseClient {
       Note: we update the user message to be sure it gets the calculated token count;
       though `AskController` saves the user message, EditController does not
     */
-    await this.userMessagePromise;
+    await userMessagePromise;
     await this.updateMessageInDatabase({
       messageId: userMessage.messageId,
       tokenCount: userMessageTokenCount,
@@ -854,7 +869,7 @@ class BaseClient {
     }
 
     const savedMessage = await saveMessage(
-      this.options.req,
+      this.options?.req,
       {
         ...message,
         endpoint: this.options.endpoint,
@@ -878,16 +893,17 @@ class BaseClient {
     const existingConvo =
       this.fetchedConvo === true
         ? null
-        : await getConvo(this.options.req?.user?.id, message.conversationId);
+        : await getConvo(this.options?.req?.user?.id, message.conversationId);
 
     const unsetFields = {};
+    const exceptions = new Set(['spec', 'iconURL']);
     if (existingConvo != null) {
       this.fetchedConvo = true;
       for (const key in existingConvo) {
         if (!key) {
           continue;
         }
-        if (excludedKeys.has(key)) {
+        if (excludedKeys.has(key) && !exceptions.has(key)) {
           continue;
         }
 
@@ -897,7 +913,7 @@ class BaseClient {
       }
     }
 
-    const conversation = await saveConvo(this.options.req, fieldsToKeep, {
+    const conversation = await saveConvo(this.options?.req, fieldsToKeep, {
       context: 'api/app/clients/BaseClient.js - saveMessageToDatabase #saveConvo',
       unsetFields,
     });
@@ -1021,11 +1037,17 @@ class BaseClient {
     const processValue = (value) => {
       if (Array.isArray(value)) {
         for (let item of value) {
-          if (!item || !item.type || item.type === 'image_url') {
+          if (
+            !item ||
+            !item.type ||
+            item.type === ContentTypes.THINK ||
+            item.type === ContentTypes.ERROR ||
+            item.type === ContentTypes.IMAGE_URL
+          ) {
             continue;
           }
 
-          if (item.type === 'tool_call' && item.tool_call != null) {
+          if (item.type === ContentTypes.TOOL_CALL && item.tool_call != null) {
             const toolName = item.tool_call?.name || '';
             if (toolName != null && toolName && typeof toolName === 'string') {
               numTokens += this.getTokenCount(toolName);

api/app/clients/ChatGPTClient.js

@@ -1,4 +1,4 @@
-const Keyv = require('keyv');
+const { Keyv } = require('keyv');
 const crypto = require('crypto');
 const { CohereClient } = require('cohere-ai');
 const { fetchEventSource } = require('@waylaidwanderer/fetch-event-source');
@@ -244,9 +244,9 @@ class ChatGPTClient extends BaseClient {
 
       baseURL = this.langchainProxy
         ? constructAzureURL({
-          baseURL: this.langchainProxy,
-          azureOptions: this.azure,
-        })
+            baseURL: this.langchainProxy,
+            azureOptions: this.azure,
+          })
         : this.azureEndpoint.split(/(?<!\/)\/(chat|completion)\//)[0];
 
       if (this.options.forcePrompt) {
@@ -339,7 +339,6 @@ class ChatGPTClient extends BaseClient {
     opts.body = JSON.stringify(modelOptions);
 
     if (modelOptions.stream) {
-      // eslint-disable-next-line no-async-promise-executor
       return new Promise(async (resolve, reject) => {
         try {
           let done = false;

api/app/clients/GoogleClient.js

@@ -9,6 +9,7 @@ const {
   validateVisionModel,
   getResponseSender,
   endpointSettings,
+  parseTextParts,
   EModelEndpoint,
   ContentTypes,
   VisionModes,
@@ -139,8 +140,7 @@ class GoogleClient extends BaseClient {
     this.options.attachments?.then((attachments) => this.checkVisionRequest(attachments));
 
     /** @type {boolean} Whether using a "GenerativeAI" Model */
-    this.isGenerativeModel =
-      this.modelOptions.model.includes('gemini') || this.modelOptions.model.includes('learnlm');
+    this.isGenerativeModel = /gemini|learnlm|gemma/.test(this.modelOptions.model);
 
     this.maxContextTokens =
       this.options.maxContextTokens ??
@@ -198,7 +198,11 @@ class GoogleClient extends BaseClient {
    */
   checkVisionRequest(attachments) {
     /* Validation vision request */
-    this.defaultVisionModel = this.options.visionModel ?? 'gemini-pro-vision';
+    this.defaultVisionModel =
+      this.options.visionModel ??
+      (!EXCLUDED_GENAI_MODELS.test(this.modelOptions.model)
+        ? this.modelOptions.model
+        : 'gemini-pro-vision');
     const availableModels = this.options.modelsConfig?.[EModelEndpoint.google];
     this.isVisionModel = validateVisionModel({ model: this.modelOptions.model, availableModels });
 
@@ -232,11 +236,11 @@ class GoogleClient extends BaseClient {
       msg.content = (
         !Array.isArray(msg.content)
           ? [
-            {
-              type: ContentTypes.TEXT,
-              [ContentTypes.TEXT]: msg.content,
-            },
-          ]
+              {
+                type: ContentTypes.TEXT,
+                [ContentTypes.TEXT]: msg.content,
+              },
+            ]
           : msg.content
       ).concat(message.image_urls);
 
@@ -313,6 +317,9 @@ class GoogleClient extends BaseClient {
           this.contextHandlers?.processFile(file);
           continue;
         }
+        if (file.metadata?.fileIdentifier) {
+          continue;
+        }
       }
 
       this.augmentedPrompt = await this.contextHandlers.createContext();
@@ -770,6 +777,22 @@ class GoogleClient extends BaseClient {
     return this.usage;
   }
 
+  getMessageMapMethod() {
+    /**
+     * @param {TMessage} msg
+     */
+    return (msg) => {
+      if (msg.text != null && msg.text && msg.text.startsWith(':::thinking')) {
+        msg.text = msg.text.replace(/:::thinking.*?:::/gs, '').trim();
+      } else if (msg.content != null) {
+        msg.text = parseTextParts(msg.content, true);
+        delete msg.content;
+      }
+
+      return msg;
+    };
+  }
+
   /**
    * Calculates the correct token count for the current user message based on the token count map and API usage.
    * Edge case: If the calculation results in a negative value, it returns the original estimate.

api/app/clients/OllamaClient.js

@@ -67,7 +67,7 @@ class OllamaClient {
       return models;
     } catch (error) {
       const logMessage =
-        'Failed to fetch models from Ollama API. If you are not using Ollama directly, and instead, through some aggregator or reverse proxy that handles fetching via OpenAI spec, ensure the name of the endpoint doesn\'t start with `ollama` (case-insensitive).';
+        "Failed to fetch models from Ollama API. If you are not using Ollama directly, and instead, through some aggregator or reverse proxy that handles fetching via OpenAI spec, ensure the name of the endpoint doesn't start with `ollama` (case-insensitive).";
       logAxiosError({ message: logMessage, error });
       return [];
     }

api/app/clients/OpenAIClient.js

@@ -1,10 +1,11 @@
-const OpenAI = require('openai');
 const { OllamaClient } = require('./OllamaClient');
 const { HttpsProxyAgent } = require('https-proxy-agent');
-const { SplitStreamHandler, GraphEvents } = require('@librechat/agents');
+const { SplitStreamHandler, CustomOpenAIClient: OpenAI } = require('@librechat/agents');
 const {
   Constants,
   ImageDetail,
+  ContentTypes,
+  parseTextParts,
   EModelEndpoint,
   resolveHeaders,
   KnownEndpoints,
@@ -30,17 +31,18 @@ const {
   createContextHandlers,
 } = require('./prompts');
 const { encodeAndFormat } = require('~/server/services/Files/images/encode');
+const { createFetch, createStreamEventHandlers } = require('./generators');
 const { addSpaceIfNeeded, isEnabled, sleep } = require('~/server/utils');
 const Tokenizer = require('~/server/services/Tokenizer');
 const { spendTokens } = require('~/models/spendTokens');
 const { handleOpenAIErrors } = require('./tools/util');
 const { createLLM, RunManager } = require('./llm');
-const { logger, sendEvent } = require('~/config');
 const ChatGPTClient = require('./ChatGPTClient');
 const { summaryBuffer } = require('./memory');
 const { runTitleChain } = require('./chains');
 const { tokenSplit } = require('./document');
 const BaseClient = require('./BaseClient');
+const { logger } = require('~/config');
 
 class OpenAIClient extends BaseClient {
   constructor(apiKey, options = {}) {
@@ -106,7 +108,7 @@ class OpenAIClient extends BaseClient {
       this.checkVisionRequest(this.options.attachments);
     }
 
-    const omniPattern = /\b(o1|o3)\b/i;
+    const omniPattern = /\b(o\d)\b/i;
     this.isOmni = omniPattern.test(this.modelOptions.model);
 
     const { OPENAI_FORCE_PROMPT } = process.env ?? {};
@@ -225,10 +227,6 @@ class OpenAIClient extends BaseClient {
       logger.debug('Using Azure endpoint');
     }
 
-    if (this.useOpenRouter) {
-      this.completionsUrl = 'https://openrouter.ai/api/v1/chat/completions';
-    }
-
     return this;
   }
 
@@ -457,6 +455,9 @@ class OpenAIClient extends BaseClient {
             this.contextHandlers?.processFile(file);
             continue;
           }
+          if (file.metadata?.fileIdentifier) {
+            continue;
+          }
 
           orderedMessages[i].tokenCount += this.calculateImageTokenCost({
             width: file.width,
@@ -474,7 +475,9 @@ class OpenAIClient extends BaseClient {
       promptPrefix = this.augmentedPrompt + promptPrefix;
     }
 
-    if (promptPrefix && this.isOmni !== true) {
+    const noSystemModelRegex = /\b(o1-preview|o1-mini)\b/i.test(this.modelOptions.model);
+
+    if (promptPrefix && !noSystemModelRegex) {
       promptPrefix = `Instructions:\n${promptPrefix.trim()}`;
       instructions = {
         role: 'system',
@@ -502,11 +505,27 @@ class OpenAIClient extends BaseClient {
     };
 
     /** EXPERIMENTAL */
-    if (promptPrefix && this.isOmni === true) {
+    if (promptPrefix && noSystemModelRegex) {
       const lastUserMessageIndex = payload.findLastIndex((message) => message.role === 'user');
       if (lastUserMessageIndex !== -1) {
-        payload[lastUserMessageIndex].content =
-          `${promptPrefix}\n${payload[lastUserMessageIndex].content}`;
+        if (Array.isArray(payload[lastUserMessageIndex].content)) {
+          const firstTextPartIndex = payload[lastUserMessageIndex].content.findIndex(
+            (part) => part.type === ContentTypes.TEXT,
+          );
+          if (firstTextPartIndex !== -1) {
+            const firstTextPart = payload[lastUserMessageIndex].content[firstTextPartIndex];
+            payload[lastUserMessageIndex].content[firstTextPartIndex].text =
+              `${promptPrefix}\n${firstTextPart.text}`;
+          } else {
+            payload[lastUserMessageIndex].content.unshift({
+              type: ContentTypes.TEXT,
+              text: promptPrefix,
+            });
+          }
+        } else {
+          payload[lastUserMessageIndex].content =
+            `${promptPrefix}\n${payload[lastUserMessageIndex].content}`;
+        }
       }
     }
 
@@ -595,7 +614,7 @@ class OpenAIClient extends BaseClient {
         return result.trim();
       }
 
-      logger.debug('[OpenAIClient] sendCompletion: result', result);
+      logger.debug('[OpenAIClient] sendCompletion: result', { ...result });
 
       if (this.isChatCompletion) {
         reply = result.choices[0].message.content;
@@ -804,7 +823,7 @@ ${convo}
 
         const completionTokens = this.getTokenCount(title);
 
-        this.recordTokenUsage({ promptTokens, completionTokens, context: 'title' });
+        await this.recordTokenUsage({ promptTokens, completionTokens, context: 'title' });
       } catch (e) {
         logger.error(
           '[OpenAIClient] There was an issue generating the title with the completion method',
@@ -1107,6 +1126,9 @@ ${convo}
     return (msg) => {
       if (msg.text != null && msg.text && msg.text.startsWith(':::thinking')) {
         msg.text = msg.text.replace(/:::thinking.*?:::/gs, '').trim();
+      } else if (msg.content != null) {
+        msg.text = parseTextParts(msg.content, true);
+        delete msg.content;
       }
 
       return msg;
@@ -1158,10 +1180,6 @@ ${convo}
         opts.httpAgent = new HttpsProxyAgent(this.options.proxy);
       }
 
-      if (this.isVisionModel) {
-        modelOptions.max_tokens = 4000;
-      }
-
       /** @type {TAzureConfig | undefined} */
       const azureConfig = this.options?.req?.app?.locals?.[EModelEndpoint.azureOpenAI];
 
@@ -1211,9 +1229,9 @@ ${convo}
 
         opts.baseURL = this.langchainProxy
           ? constructAzureURL({
-            baseURL: this.langchainProxy,
-            azureOptions: this.azure,
-          })
+              baseURL: this.langchainProxy,
+              azureOptions: this.azure,
+            })
           : this.azureEndpoint.split(/(?<!\/)\/(chat|completion)\//)[0];
 
         opts.defaultQuery = { 'api-version': this.azure.azureOpenAIApiVersion };
@@ -1224,6 +1242,9 @@ ${convo}
         modelOptions.max_completion_tokens = modelOptions.max_tokens;
         delete modelOptions.max_tokens;
       }
+      if (this.isOmni === true && modelOptions.temperature != null) {
+        delete modelOptions.temperature;
+      }
 
       if (process.env.OPENAI_ORGANIZATION) {
         opts.organization = process.env.OPENAI_ORGANIZATION;
@@ -1232,7 +1253,10 @@ ${convo}
       let chatCompletion;
       /** @type {OpenAI} */
       const openai = new OpenAI({
-        fetch: this.fetch,
+        fetch: createFetch({
+          directEndpoint: this.options.directEndpoint,
+          reverseProxyUrl: this.options.reverseProxyUrl,
+        }),
         apiKey: this.apiKey,
         ...opts,
       });
@@ -1261,23 +1285,56 @@ ${convo}
         modelOptions.messages[0].role = 'user';
       }
 
+      if (
+        (this.options.endpoint === EModelEndpoint.openAI ||
+          this.options.endpoint === EModelEndpoint.azureOpenAI) &&
+        modelOptions.stream === true
+      ) {
+        modelOptions.stream_options = { include_usage: true };
+      }
+
       if (this.options.addParams && typeof this.options.addParams === 'object') {
+        const addParams = { ...this.options.addParams };
         modelOptions = {
           ...modelOptions,
-          ...this.options.addParams,
+          ...addParams,
         };
         logger.debug('[OpenAIClient] chatCompletion: added params', {
-          addParams: this.options.addParams,
+          addParams: addParams,
           modelOptions,
         });
       }
 
+      /** Note: OpenAI Web Search models do not support any known parameters besdies `max_tokens` */
+      if (modelOptions.model && /gpt-4o.*search/.test(modelOptions.model)) {
+        const searchExcludeParams = [
+          'frequency_penalty',
+          'presence_penalty',
+          'temperature',
+          'top_p',
+          'top_k',
+          'stop',
+          'logit_bias',
+          'seed',
+          'response_format',
+          'n',
+          'logprobs',
+          'user',
+        ];
+
+        this.options.dropParams = this.options.dropParams || [];
+        this.options.dropParams = [
+          ...new Set([...this.options.dropParams, ...searchExcludeParams]),
+        ];
+      }
+
       if (this.options.dropParams && Array.isArray(this.options.dropParams)) {
-        this.options.dropParams.forEach((param) => {
+        const dropParams = [...this.options.dropParams];
+        dropParams.forEach((param) => {
           delete modelOptions[param];
         });
         logger.debug('[OpenAIClient] chatCompletion: dropped params', {
-          dropParams: this.options.dropParams,
+          dropParams: dropParams,
           modelOptions,
         });
       }
@@ -1300,14 +1357,6 @@ ${convo}
       let streamResolve;
 
       if (
-        this.isOmni === true &&
-        (this.azure || /o1(?!-(?:mini|preview)).*$/.test(modelOptions.model)) &&
-        !/o3-.*$/.test(this.modelOptions.model) &&
-        modelOptions.stream
-      ) {
-        delete modelOptions.stream;
-        delete modelOptions.stop;
-      } else if (
         (!this.isOmni || /^o1-(mini|preview)/i.test(modelOptions.model)) &&
         modelOptions.reasoning_effort != null
       ) {
@@ -1327,15 +1376,12 @@ ${convo}
         delete modelOptions.reasoning_effort;
       }
 
+      const handlers = createStreamEventHandlers(this.options.res);
       this.streamHandler = new SplitStreamHandler({
         reasoningKey,
         accumulate: true,
         runId: this.responseMessageId,
-        handlers: {
-          [GraphEvents.ON_RUN_STEP]: (event) => sendEvent(this.options.res, event),
-          [GraphEvents.ON_MESSAGE_DELTA]: (event) => sendEvent(this.options.res, event),
-          [GraphEvents.ON_REASONING_DELTA]: (event) => sendEvent(this.options.res, event),
-        },
+        handlers,
       });
 
       intermediateReply = this.streamHandler.tokens;
@@ -1349,12 +1395,6 @@ ${convo}
           ...modelOptions,
           stream: true,
         };
-        if (
-          this.options.endpoint === EModelEndpoint.openAI ||
-          this.options.endpoint === EModelEndpoint.azureOpenAI
-        ) {
-          params.stream_options = { include_usage: true };
-        }
         const stream = await openai.beta.chat.completions
           .stream(params)
           .on('abort', () => {
@@ -1439,6 +1479,11 @@ ${convo}
           });
       }
 
+      if (openai.abortHandler && abortController.signal) {
+        abortController.signal.removeEventListener('abort', openai.abortHandler);
+        openai.abortHandler = undefined;
+      }
+
       if (!chatCompletion && UnexpectedRoleError) {
         throw new Error(
           'OpenAI error: Invalid final message: OpenAI expects final message to include role=assistant',

api/app/clients/PluginsClient.js

@@ -5,9 +5,8 @@ const { addImages, buildErrorInput, buildPromptPrefix } = require('./output_pars
 const { initializeCustomAgent, initializeFunctionsAgent } = require('./agents');
 const { processFileURL } = require('~/server/services/Files/process');
 const { EModelEndpoint } = require('librechat-data-provider');
+const { checkBalance } = require('~/models/balanceMethods');
 const { formatLangChainMessages } = require('./prompts');
-const checkBalance = require('~/models/checkBalance');
-const { isEnabled } = require('~/server/utils');
 const { extractBaseURL } = require('~/utils');
 const { loadTools } = require('./tools/util');
 const { logger } = require('~/config');
@@ -253,12 +252,14 @@ class PluginsClient extends OpenAIClient {
       await this.recordTokenUsage(responseMessage);
     }
 
-    this.responsePromise = this.saveMessageToDatabase(responseMessage, saveOptions, user);
+    const databasePromise = this.saveMessageToDatabase(responseMessage, saveOptions, user);
     delete responseMessage.tokenCount;
-    return { ...responseMessage, ...result };
+    return { ...responseMessage, ...result, databasePromise };
   }
 
   async sendMessage(message, opts = {}) {
+    /** @type {Promise<TMessage>} */
+    let userMessagePromise;
     /** @type {{ filteredTools: string[], includedTools: string[] }} */
     const { filteredTools = [], includedTools = [] } = this.options.req.app.locals;
 
@@ -328,15 +329,16 @@ class PluginsClient extends OpenAIClient {
     }
 
     if (!this.skipSaveUserMessage) {
-      this.userMessagePromise = this.saveMessageToDatabase(userMessage, saveOptions, user);
+      userMessagePromise = this.saveMessageToDatabase(userMessage, saveOptions, user);
       if (typeof opts?.getReqData === 'function') {
         opts.getReqData({
-          userMessagePromise: this.userMessagePromise,
+          userMessagePromise,
         });
       }
     }
 
-    if (isEnabled(process.env.CHECK_BALANCE)) {
+    const balance = this.options.req?.app?.locals?.balance;
+    if (balance?.enabled) {
       await checkBalance({
         req: this.options.req,
         res: this.options.res,

api/app/clients/callbacks/createStartHandler.js

@@ -1,8 +1,8 @@
 const { promptTokensEstimate } = require('openai-chat-tokens');
 const { EModelEndpoint, supportsBalanceCheck } = require('librechat-data-provider');
 const { formatFromLangChain } = require('~/app/clients/prompts');
-const checkBalance = require('~/models/checkBalance');
-const { isEnabled } = require('~/server/utils');
+const { getBalanceConfig } = require('~/server/services/Config');
+const { checkBalance } = require('~/models/balanceMethods');
 const { logger } = require('~/config');
 
 const createStartHandler = ({
@@ -49,8 +49,8 @@ const createStartHandler = ({
     prelimPromptTokens += tokenBuffer;
 
     try {
-      // TODO: if plugins extends to non-OpenAI models, this will need to be updated
-      if (isEnabled(process.env.CHECK_BALANCE) && supportsBalanceCheck[EModelEndpoint.openAI]) {
+      const balance = await getBalanceConfig();
+      if (balance?.enabled && supportsBalanceCheck[EModelEndpoint.openAI]) {
         const generations =
           initialMessageCount && messages.length > initialMessageCount
             ? messages.slice(initialMessageCount)

api/app/clients/generators.js

@@ -0,0 +1,71 @@
+const fetch = require('node-fetch');
+const { GraphEvents } = require('@librechat/agents');
+const { logger, sendEvent } = require('~/config');
+const { sleep } = require('~/server/utils');
+
+/**
+ * Makes a function to make HTTP request and logs the process.
+ * @param {Object} params
+ * @param {boolean} [params.directEndpoint] - Whether to use a direct endpoint.
+ * @param {string} [params.reverseProxyUrl] - The reverse proxy URL to use for the request.
+ * @returns {Promise<Response>} - A promise that resolves to the response of the fetch request.
+ */
+function createFetch({ directEndpoint = false, reverseProxyUrl = '' }) {
+  /**
+   * Makes an HTTP request and logs the process.
+   * @param {RequestInfo} url - The URL to make the request to. Can be a string or a Request object.
+   * @param {RequestInit} [init] - Optional init options for the request.
+   * @returns {Promise<Response>} - A promise that resolves to the response of the fetch request.
+   */
+  return async (_url, init) => {
+    let url = _url;
+    if (directEndpoint) {
+      url = reverseProxyUrl;
+    }
+    logger.debug(`Making request to ${url}`);
+    if (typeof Bun !== 'undefined') {
+      return await fetch(url, init);
+    }
+    return await fetch(url, init);
+  };
+}
+
+// Add this at the module level outside the class
+/**
+ * Creates event handlers for stream events that don't capture client references
+ * @param {Object} res - The response object to send events to
+ * @returns {Object} Object containing handler functions
+ */
+function createStreamEventHandlers(res) {
+  return {
+    [GraphEvents.ON_RUN_STEP]: (event) => {
+      if (res) {
+        sendEvent(res, event);
+      }
+    },
+    [GraphEvents.ON_MESSAGE_DELTA]: (event) => {
+      if (res) {
+        sendEvent(res, event);
+      }
+    },
+    [GraphEvents.ON_REASONING_DELTA]: (event) => {
+      if (res) {
+        sendEvent(res, event);
+      }
+    },
+  };
+}
+
+function createHandleLLMNewToken(streamRate) {
+  return async () => {
+    if (streamRate) {
+      await sleep(streamRate);
+    }
+  };
+}
+
+module.exports = {
+  createFetch,
+  createHandleLLMNewToken,
+  createStreamEventHandlers,
+};

api/app/clients/llm/createLLM.js

@@ -34,6 +34,7 @@ function createLLM({
   let credentials = { openAIApiKey };
   let configuration = {
     apiKey: openAIApiKey,
+    ...(configOptions.basePath && { baseURL: configOptions.basePath }),
   };
 
   /**  @type {AzureOptions} */

api/app/clients/memory/example.js

@@ -22,17 +22,17 @@
       '\n' +
       'Celestia had the power to grant one wish to anyone who dared to find her abode. Ethan, captivated by the tales he had read and yearning for something greater, approached the cottage with trepidation. When he shared his desire to embark on a grand adventure, Celestia smiled warmly and agreed to grant his wish.\n' +
       '\n' +
-      'With a wave of her wand and a sprinkle of stardust, Celestia bestowed upon Ethan a magical necklace. This necklace, adorned with a rare gemstone called the Eye of Imagination, had the power to turn dreams and imagination into reality. From that moment forward, Ethan\'s every thought and idea became manifest.\n' +
+      "With a wave of her wand and a sprinkle of stardust, Celestia bestowed upon Ethan a magical necklace. This necklace, adorned with a rare gemstone called the Eye of Imagination, had the power to turn dreams and imagination into reality. From that moment forward, Ethan's every thought and idea became manifest.\n" +
       '\n' +
       'Energized by this newfound power, Ethan continued his journey, encountering mythical creatures, solving riddles, and overcoming treacherous obstacles along the way. With the Eye of Imagination, he brought life to ancient statues, unlocked hidden doors, and even tamed fiery dragons.\n' +
       '\n' +
       'As days turned into weeks and weeks into months, Ethan became wiser and more in tune with the world around him. He learned that true adventure was not merely about seeking thrills and conquering the unknown, but also about fostering compassion, friendship, and a deep appreciation for the beauty of the ordinary.\n' +
       '\n' +
-      'Eventually, Ethan\'s journey led him back to his village. With the Eye of Imagination, he transformed the village into a place of wonders and endless possibilities. Fields blossomed into vibrant gardens, simple tools turned into intricate works of art, and the villagers felt a renewed sense of hope and inspiration.\n' +
+      "Eventually, Ethan's journey led him back to his village. With the Eye of Imagination, he transformed the village into a place of wonders and endless possibilities. Fields blossomed into vibrant gardens, simple tools turned into intricate works of art, and the villagers felt a renewed sense of hope and inspiration.\n" +
       '\n' +
-      'Ethan, now known as the Village Magician, realized that the true magic lied within everyone\'s hearts. He taught the villagers to embrace their creativity, to dream big, and to never underestimate the power of imagination. And so, the village flourished, becoming a beacon of wonder and creativity for all to see.\n' +
+      "Ethan, now known as the Village Magician, realized that the true magic lied within everyone's hearts. He taught the villagers to embrace their creativity, to dream big, and to never underestimate the power of imagination. And so, the village flourished, becoming a beacon of wonder and creativity for all to see.\n" +
       '\n' +
-      'In the years that followed, Ethan\'s adventures continued, though mostly within the confines of his beloved village. But he never forgot the thrill of that first grand adventure. And every now and then, when looking up at the starry night sky, he would allow his mind to wander, knowing that the greatest adventures were still waiting to be discovered.',
+      "In the years that followed, Ethan's adventures continued, though mostly within the confines of his beloved village. But he never forgot the thrill of that first grand adventure. And every now and then, when looking up at the starry night sky, he would allow his mind to wander, knowing that the greatest adventures were still waiting to be discovered.",
   },
   {
     role: 'user',
@@ -41,30 +41,30 @@
       '\n' +
       'Once there was a young lad by the name of Ethan, raised in a little hamlet nestled betwixt the verdant knolls, who possessed an irrepressible yearning for knowledge, a thirst unquenchable and a spirit teeming with curiosity. As the golden sun bathed the bucolic land in its effulgent light, he would tread through the village, his ears attuned to the tales spun by the townsfolk, his eyes absorbing the tapestry woven by the world surrounding him.\n' +
       '\n' +
-      'One radiant day, whilst exploring the periphery of the settlement, Ethan chanced upon a timeworn tome, ensconced amidst the roots of an ancient oak, cloaked in the shroud of neglect. The dust gathered upon it spoke of time\'s relentless march. A book of fairy tales – garnished with vivid descriptions of mystical woods, fantastical beasts, and ventures daring beyond the ordinary humdrum existence. Intrigued and beguiled, Ethan pried open the weathered pages and succumbed to their beckoning whispers.\n' +
+      "One radiant day, whilst exploring the periphery of the settlement, Ethan chanced upon a timeworn tome, ensconced amidst the roots of an ancient oak, cloaked in the shroud of neglect. The dust gathered upon it spoke of time's relentless march. A book of fairy tales – garnished with vivid descriptions of mystical woods, fantastical beasts, and ventures daring beyond the ordinary humdrum existence. Intrigued and beguiled, Ethan pried open the weathered pages and succumbed to their beckoning whispers.\n" +
       '\n' +
-      'In each tale, he was transported to a realm of enchantment and wonderment, inexorably tugging at the strings of his yearning for peripatetic exploration. Inspired by the narratives he had devoured, Ethan resolved to bid adieu to kinfolk and embark upon a sojourn, with dreams of procuring a firsthand glimpse into the domain of mystique that lay beyond the village\'s circumscribed boundary.\n' +
+      "In each tale, he was transported to a realm of enchantment and wonderment, inexorably tugging at the strings of his yearning for peripatetic exploration. Inspired by the narratives he had devoured, Ethan resolved to bid adieu to kinfolk and embark upon a sojourn, with dreams of procuring a firsthand glimpse into the domain of mystique that lay beyond the village's circumscribed boundary.\n" +
       '\n' +
       'Thus, he bade tearful farewells, girding himself for a path that guided him to a dense and captivating woodland, whispered of as a sanctuary to mythical beings and clandestine troves of treasures. As Ethan plunged deeper into the heart of the arboreal labyrinth, he felt a palpable surge of electricity, as though the sylvan sentinels whispered enigmatic secrets that only the perceptive ear could discern.\n' +
       '\n' +
-      'It wasn\'t long before his path intertwined with that of a capricious sprite christened Sparkle, bearing an impish grin and eyes sparkling with mischief. Sparkle played the role of Virgil to Ethan\'s Dante, guiding him through the intricate tapestry of arboreal scions, issuing warnings of perils concealed and spinning tales of ancient entities that called this very bosky enclave home.\n' +
+      "It wasn't long before his path intertwined with that of a capricious sprite christened Sparkle, bearing an impish grin and eyes sparkling with mischief. Sparkle played the role of Virgil to Ethan's Dante, guiding him through the intricate tapestry of arboreal scions, issuing warnings of perils concealed and spinning tales of ancient entities that called this very bosky enclave home.\n" +
       '\n' +
       'Together, they stumbled upon a luminous lake, its shimmering waters imbued with a celestial light. At the center lay a diminutive island, upon which reposed a cottage fashioned from tender petals and verdant leaves. It belonged to an ancient sorceress of considerable wisdom, Celestia by name.\n' +
       '\n' +
-      'Celestia, with her power to bestow a single wish on any intrepid soul who happened upon her abode, met Ethan\'s desire with a congenial nod, his fervor for a grand expedition not lost on her penetrating gaze. In response, she bequeathed unto him a necklace of magical manufacture – adorned with the rare gemstone known as the Eye of Imagination – whose very essence transformed dreams into vivid reality. From that moment forward, not a single cogitation nor nebulous fanciful notion of Ethan\'s ever lacked physicality.\n' +
+      "Celestia, with her power to bestow a single wish on any intrepid soul who happened upon her abode, met Ethan's desire with a congenial nod, his fervor for a grand expedition not lost on her penetrating gaze. In response, she bequeathed unto him a necklace of magical manufacture – adorned with the rare gemstone known as the Eye of Imagination – whose very essence transformed dreams into vivid reality. From that moment forward, not a single cogitation nor nebulous fanciful notion of Ethan's ever lacked physicality.\n" +
       '\n' +
       'Energized by this newfound potency, Ethan continued his sojourn, encountering mythical creatures, unraveling cerebral enigmas, and braving perils aplenty along the winding roads of destiny. Armed with the Eye of Imagination, he brought forth life from immobile statuary, unlocked forbidding portals, and even tamed the ferocious beasts of yore – their fiery breath reduced to a whisper.\n' +
       '\n' +
-      'As the weeks metamorphosed into months, Ethan grew wiser and more attuned to the ebb and flow of the world enveloping him. He gleaned that true adventure isn\'t solely confined to sating a thirst for adrenaline and conquering the unknown; indeed, it resides in fostering compassion, fostering amicable bonds, and cherishing the beauty entwined within the quotidian veld.\n' +
+      "As the weeks metamorphosed into months, Ethan grew wiser and more attuned to the ebb and flow of the world enveloping him. He gleaned that true adventure isn't solely confined to sating a thirst for adrenaline and conquering the unknown; indeed, it resides in fostering compassion, fostering amicable bonds, and cherishing the beauty entwined within the quotidian veld.\n" +
       '\n' +
-      'Eventually, Ethan\'s quest drew him homeward, back to his village. Buoying the Eye of Imagination\'s ethereal power, he imbued the hitherto unremarkable settlement with the patina of infinite possibilities. The bounteous fields bloomed into kaleidoscopic gardens, simple instruments transmuting into intricate masterpieces, and the villagers themselves clasped within their hearts a renewed ardor, a conflagration of hope and inspiration.\n' +
+      "Eventually, Ethan's quest drew him homeward, back to his village. Buoying the Eye of Imagination's ethereal power, he imbued the hitherto unremarkable settlement with the patina of infinite possibilities. The bounteous fields bloomed into kaleidoscopic gardens, simple instruments transmuting into intricate masterpieces, and the villagers themselves clasped within their hearts a renewed ardor, a conflagration of hope and inspiration.\n" +
       '\n' +
-      'Behold Ethan, at present hailed as the Village Magician – a cognomen befitting his sorcery wielded within the confines of the community he adored. His exploits may have become tethered to a geographical locale, but the flame kindled by that premier sojourn never flickered. Occasionally, beneath the veiled twilight canopy, when peering skyward toward the astral canvas bedecked with countless luminescent diamonds, he\'d allow his mind to wander, cognizant of boundless adventures yet to take flight, forever awaiting his indomitable spirit.',
+      "Behold Ethan, at present hailed as the Village Magician – a cognomen befitting his sorcery wielded within the confines of the community he adored. His exploits may have become tethered to a geographical locale, but the flame kindled by that premier sojourn never flickered. Occasionally, beneath the veiled twilight canopy, when peering skyward toward the astral canvas bedecked with countless luminescent diamonds, he'd allow his mind to wander, cognizant of boundless adventures yet to take flight, forever awaiting his indomitable spirit.",
   },
   {
     role: 'assistant',
     content:
-      'Beautifully rewritten! It captures the essence of Cormac McCarthy\'s style, with its descriptive language and evocative imagery. The story retains the spirit of adventure and the power of imagination seen in the original. Well done! If you have any more requests or if there\'s anything else I can assist you with, feel free to let me know.',
+      "Beautifully rewritten! It captures the essence of Cormac McCarthy's style, with its descriptive language and evocative imagery. The story retains the spirit of adventure and the power of imagination seen in the original. Well done! If you have any more requests or if there's anything else I can assist you with, feel free to let me know.",
   },
   {
     role: 'user',
@@ -73,19 +73,19 @@
   {
     role: 'assistant',
     content:
-      'Certainly! Here\'s a short story reflecting Cormac McCarthy\'s style:\n' +
+      "Certainly! Here's a short story reflecting Cormac McCarthy's style:\n" +
       '\n' +
       'In a desolate wasteland scarred by the sins of mankind, a lone traveler ventured forth, his name forgotten by time, etched upon the shadows of memory. He navigated the barren plains, where the sun beat down, merciless and unrelenting, scorching the parched earth beneath his weary boots.\n' +
       '\n' +
       'Desolation was his only companion, the forsaken landscape a testament to the darkness that had befallen this forsaken realm. The wind whispered secrets long lost, carrying with it the echoes of a civilization long since undone, swallowed by the abyss.\n' +
       '\n' +
-      'Amongst the shattered remnants of fallen cities, he sought solace, a glimmer of hope amidst the desolation. Rusted remnants of steel and concrete stood as sentinels of mankind\'s hubris, their jagged edges a chilling reminder of the fragility of all that was once deemed invincible.\n' +
+      "Amongst the shattered remnants of fallen cities, he sought solace, a glimmer of hope amidst the desolation. Rusted remnants of steel and concrete stood as sentinels of mankind's hubris, their jagged edges a chilling reminder of the fragility of all that was once deemed invincible.\n" +
       '\n' +
       'As twilight descended, casting a pallid hue upon the lifeless land, he happened upon a dilapidated house, its walls crumbling under the weight of time. Drawn to the desolation, he pushed open the creaking door, its rusty hinges screaming in protest.\n' +
       '\n' +
       'Inside, a world frozen in time awaited him. Dust particles danced through the air, illuminated by slivers of light that pierced the broken windows. Here, the past lay trapped, a melancholic tableau of lives lost and dreams shattered.\n' +
       '\n' +
-      'He wandered through the empty rooms, bare walls whispering stories untold. In the corner, a dilapidated piano stood, its ivory keys long since abandoned by a musician\'s touch. He approached it cautiously, a faint glimmer of anticipation igniting in his weather-worn eyes.\n' +
+      "He wandered through the empty rooms, bare walls whispering stories untold. In the corner, a dilapidated piano stood, its ivory keys long since abandoned by a musician's touch. He approached it cautiously, a faint glimmer of anticipation igniting in his weather-worn eyes.\n" +
       '\n' +
       'Determined, he carefully brushed away the dust and debris that cloaked the instrument. With trembling hands, he pressed a key, and a discordant note filled the air, mingling with the sighs of forgotten melodies. The sound echoed through the silence, bringing with it the remnants of forgotten symphonies.\n' +
       '\n' +
@@ -103,13 +103,13 @@
   {
     role: 'assistant',
     content:
-      'Thank you! I\'m glad you enjoyed it. If you have any more writing requests or if there\'s anything else I can assist you with, feel free to let me know.',
+      "Thank you! I'm glad you enjoyed it. If you have any more writing requests or if there's anything else I can assist you with, feel free to let me know.",
   },
   { role: 'user', content: 'you are very helpful' },
   {
     role: 'assistant',
     content:
-      'Thank you for your kind words! I\'m here to assist you in any way I can. If you have any more questions, need further assistance, or just want to chat, feel free to reach out.',
+      "Thank you for your kind words! I'm here to assist you in any way I can. If you have any more questions, need further assistance, or just want to chat, feel free to reach out.",
   },
   { role: 'user', content: 'no you man' },
 ];

api/app/clients/memory/summaryBuffer.demo.js

@@ -9,7 +9,7 @@ const chatPromptMemory = new ConversationSummaryBufferMemory({
 });
 
 (async () => {
-  await chatPromptMemory.saveContext({ input: 'hi my name\'s Danny' }, { output: 'whats up' });
+  await chatPromptMemory.saveContext({ input: "hi my name's Danny" }, { output: 'whats up' });
   await chatPromptMemory.saveContext({ input: 'not much you' }, { output: 'not much' });
   await chatPromptMemory.saveContext(
     { input: 'are you excited for the olympics?' },

api/app/clients/output_parsers/addImages.spec.js

@@ -74,7 +74,7 @@ describe('addImages', () => {
 
   it('should append correctly from a real scenario', () => {
     responseMessage.text =
-      'Here is the generated image based on your request. It depicts a surreal landscape filled with floating musical notes. The style is impressionistic, with vibrant sunset hues dominating the scene. At the center, there\'s a silhouette of a grand piano, adding a dreamy emotion to the overall image. This could serve as a unique and creative music album cover. Would you like to make any changes or generate another image?';
+      "Here is the generated image based on your request. It depicts a surreal landscape filled with floating musical notes. The style is impressionistic, with vibrant sunset hues dominating the scene. At the center, there's a silhouette of a grand piano, adding a dreamy emotion to the overall image. This could serve as a unique and creative music album cover. Would you like to make any changes or generate another image?";
     const originalText = responseMessage.text;
     const imageMarkdown = '![generated image](/images/img-RnVWaYo2Yg4x3e0isICiMuf5.png)';
     intermediateSteps.push({ observation: imageMarkdown });

api/app/clients/output_parsers/handleOutputs.js

@@ -65,14 +65,14 @@ function buildPromptPrefix({ result, message, functionsAgent }) {
   const preliminaryAnswer =
     result.output?.length > 0 ? `Preliminary Answer: "${result.output.trim()}"` : '';
   const prefix = preliminaryAnswer
-    ? 'review and improve the answer you generated using plugins in response to the User Message below. The user hasn\'t seen your answer or thoughts yet.'
+    ? "review and improve the answer you generated using plugins in response to the User Message below. The user hasn't seen your answer or thoughts yet."
     : 'respond to the User Message below based on your preliminary thoughts & actions.';
 
   return `As a helpful AI Assistant, ${prefix}${errorMessage}\n${internalActions}
 ${preliminaryAnswer}
 Reply conversationally to the User based on your ${
-  preliminaryAnswer ? 'preliminary answer, ' : ''
-}internal actions, thoughts, and observations, making improvements wherever possible, but do not modify URLs.
+    preliminaryAnswer ? 'preliminary answer, ' : ''
+  }internal actions, thoughts, and observations, making improvements wherever possible, but do not modify URLs.
 ${
   preliminaryAnswer
     ? ''

api/app/clients/prompts/addCacheControl.spec.js

@@ -6,7 +6,7 @@ describe('addCacheControl', () => {
       { role: 'user', content: [{ type: 'text', text: 'Hello' }] },
       { role: 'assistant', content: [{ type: 'text', text: 'Hi there' }] },
       { role: 'user', content: [{ type: 'text', text: 'How are you?' }] },
-      { role: 'assistant', content: [{ type: 'text', text: 'I\'m doing well, thanks!' }] },
+      { role: 'assistant', content: [{ type: 'text', text: "I'm doing well, thanks!" }] },
       { role: 'user', content: [{ type: 'text', text: 'Great!' }] },
     ];
 
@@ -22,7 +22,7 @@ describe('addCacheControl', () => {
       { role: 'user', content: 'Hello' },
       { role: 'assistant', content: 'Hi there' },
       { role: 'user', content: 'How are you?' },
-      { role: 'assistant', content: 'I\'m doing well, thanks!' },
+      { role: 'assistant', content: "I'm doing well, thanks!" },
       { role: 'user', content: 'Great!' },
     ];
 
@@ -140,7 +140,7 @@ describe('addCacheControl', () => {
       { role: 'user', content: 'Hello' },
       { role: 'assistant', content: 'Hi there' },
       { role: 'user', content: [{ type: 'text', text: 'How are you?' }] },
-      { role: 'assistant', content: 'I\'m doing well, thanks!' },
+      { role: 'assistant', content: "I'm doing well, thanks!" },
       { role: 'user', content: 'Great!' },
     ];
 
@@ -160,7 +160,7 @@ describe('addCacheControl', () => {
       },
     ]);
     expect(result[1].content).toBe('Hi there');
-    expect(result[3].content).toBe('I\'m doing well, thanks!');
+    expect(result[3].content).toBe("I'm doing well, thanks!");
   });
 
   test('should handle edge case with multiple content types', () => {

api/app/clients/prompts/artifacts.js

@@ -3,7 +3,6 @@ const { EModelEndpoint, ArtifactModes } = require('librechat-data-provider');
 const { generateShadcnPrompt } = require('~/app/clients/prompts/shadcn-docs/generate');
 const { components } = require('~/app/clients/prompts/shadcn-docs/components');
 
-// eslint-disable-next-line no-unused-vars
 const artifactsPromptV1 = dedent`The assistant can create and reference artifacts during conversations.
   
 Artifacts are for substantial, self-contained content that users might modify or reuse, displayed in a separate UI window for clarity.

api/app/clients/prompts/createContextHandlers.js

@@ -96,35 +96,35 @@ function createContextHandlers(req, userMessageContent) {
         resolvedQueries.length === 0
           ? '\n\tThe semantic search did not return any results.'
           : resolvedQueries
-            .map((queryResult, index) => {
-              const file = processedFiles[index];
-              let contextItems = queryResult.data;
+              .map((queryResult, index) => {
+                const file = processedFiles[index];
+                let contextItems = queryResult.data;
 
-              const generateContext = (currentContext) =>
-                `
+                const generateContext = (currentContext) =>
+                  `
           <file>
             <filename>${file.filename}</filename>
             <context>${currentContext}
             </context>
           </file>`;
 
-              if (useFullContext) {
-                return generateContext(`\n${contextItems}`);
-              }
+                if (useFullContext) {
+                  return generateContext(`\n${contextItems}`);
+                }
 
-              contextItems = queryResult.data
-                .map((item) => {
-                  const pageContent = item[0].page_content;
-                  return `
+                contextItems = queryResult.data
+                  .map((item) => {
+                    const pageContent = item[0].page_content;
+                    return `
             <contextItem>
               <![CDATA[${pageContent?.trim()}]]>
             </contextItem>`;
-                })
-                .join('');
+                  })
+                  .join('');
 
-              return generateContext(contextItems);
-            })
-            .join('');
+                return generateContext(contextItems);
+              })
+              .join('');
 
       if (useFullContext) {
         const prompt = `${header}

api/app/clients/prompts/formatAgentMessages.spec.js

@@ -130,7 +130,7 @@ describe('formatAgentMessages', () => {
         content: [
           {
             type: ContentTypes.TEXT,
-            [ContentTypes.TEXT]: 'I\'ll search for that information.',
+            [ContentTypes.TEXT]: "I'll search for that information.",
             tool_call_ids: ['search_1'],
           },
           {
@@ -144,7 +144,7 @@ describe('formatAgentMessages', () => {
           },
           {
             type: ContentTypes.TEXT,
-            [ContentTypes.TEXT]: 'Now, I\'ll convert the temperature.',
+            [ContentTypes.TEXT]: "Now, I'll convert the temperature.",
             tool_call_ids: ['convert_1'],
           },
           {
@@ -156,7 +156,7 @@ describe('formatAgentMessages', () => {
               output: '23.89°C',
             },
           },
-          { type: ContentTypes.TEXT, [ContentTypes.TEXT]: 'Here\'s your answer.' },
+          { type: ContentTypes.TEXT, [ContentTypes.TEXT]: "Here's your answer." },
         ],
       },
     ];
@@ -171,7 +171,7 @@ describe('formatAgentMessages', () => {
     expect(result[4]).toBeInstanceOf(AIMessage);
 
     // Check first AIMessage
-    expect(result[0].content).toBe('I\'ll search for that information.');
+    expect(result[0].content).toBe("I'll search for that information.");
     expect(result[0].tool_calls).toHaveLength(1);
     expect(result[0].tool_calls[0]).toEqual({
       id: 'search_1',
@@ -187,7 +187,7 @@ describe('formatAgentMessages', () => {
     );
 
     // Check second AIMessage
-    expect(result[2].content).toBe('Now, I\'ll convert the temperature.');
+    expect(result[2].content).toBe("Now, I'll convert the temperature.");
     expect(result[2].tool_calls).toHaveLength(1);
     expect(result[2].tool_calls[0]).toEqual({
       id: 'convert_1',
@@ -202,7 +202,7 @@ describe('formatAgentMessages', () => {
 
     // Check final AIMessage
     expect(result[4].content).toStrictEqual([
-      { [ContentTypes.TEXT]: 'Here\'s your answer.', type: ContentTypes.TEXT },
+      { [ContentTypes.TEXT]: "Here's your answer.", type: ContentTypes.TEXT },
     ]);
   });
 
@@ -217,7 +217,7 @@ describe('formatAgentMessages', () => {
         role: 'assistant',
         content: [{ type: ContentTypes.TEXT, [ContentTypes.TEXT]: 'How can I help you?' }],
       },
-      { role: 'user', content: 'What\'s the weather?' },
+      { role: 'user', content: "What's the weather?" },
       {
         role: 'assistant',
         content: [
@@ -240,7 +240,7 @@ describe('formatAgentMessages', () => {
       {
         role: 'assistant',
         content: [
-          { type: ContentTypes.TEXT, [ContentTypes.TEXT]: 'Here\'s the weather information.' },
+          { type: ContentTypes.TEXT, [ContentTypes.TEXT]: "Here's the weather information." },
         ],
       },
     ];
@@ -265,12 +265,12 @@ describe('formatAgentMessages', () => {
       { [ContentTypes.TEXT]: 'How can I help you?', type: ContentTypes.TEXT },
     ]);
     expect(result[2].content).toStrictEqual([
-      { [ContentTypes.TEXT]: 'What\'s the weather?', type: ContentTypes.TEXT },
+      { [ContentTypes.TEXT]: "What's the weather?", type: ContentTypes.TEXT },
     ]);
     expect(result[3].content).toBe('Let me check that for you.');
     expect(result[4].content).toBe('Sunny, 75°F');
     expect(result[5].content).toStrictEqual([
-      { [ContentTypes.TEXT]: 'Here\'s the weather information.', type: ContentTypes.TEXT },
+      { [ContentTypes.TEXT]: "Here's the weather information.", type: ContentTypes.TEXT },
     ]);
 
     // Check that there are no consecutive AIMessages

api/app/clients/prompts/formatMessages.js

@@ -211,7 +211,7 @@ const formatAgentMessages = (payload) => {
       } else if (part.type === ContentTypes.THINK) {
         hasReasoning = true;
         continue;
-      } else if (part.type === ContentTypes.ERROR) {
+      } else if (part.type === ContentTypes.ERROR || part.type === ContentTypes.AGENT_UPDATE) {
         continue;
       } else {
         currentContent.push(part);

api/app/clients/prompts/instructions.js

@@ -1,8 +1,8 @@
 module.exports = {
   instructions:
-    'Remember, all your responses MUST be in the format described. Do not respond unless it\'s in the format described, using the structure of Action, Action Input, etc.',
+    "Remember, all your responses MUST be in the format described. Do not respond unless it's in the format described, using the structure of Action, Action Input, etc.",
   errorInstructions:
-    '\nYou encountered an error in attempting a response. The user is not aware of the error so you shouldn\'t mention it.\nReview the actions taken carefully in case there is a partial or complete answer within them.\nError Message:',
+    "\nYou encountered an error in attempting a response. The user is not aware of the error so you shouldn't mention it.\nReview the actions taken carefully in case there is a partial or complete answer within them.\nError Message:",
   imageInstructions:
     'You must include the exact image paths from above, formatted in Markdown syntax: ![alt-text](URL)',
   completionInstructions:

api/app/clients/prompts/shadcn-docs/generate.js

@@ -18,17 +18,17 @@ function generateShadcnPrompt(options) {
     Here are the components that are available, along with how to import them, and how to use them:
 
     ${Object.values(components)
-    .map((component) => {
-      if (useXML) {
-        return dedent`
+      .map((component) => {
+        if (useXML) {
+          return dedent`
             <component>
               <name>${component.componentName}</name>
               <import-instructions>${component.importDocs}</import-instructions>
               <usage-instructions>${component.usageDocs}</usage-instructions>
             </component>
           `;
-      } else {
-        return dedent`
+        } else {
+          return dedent`
             # ${component.componentName}
 
             ## Import Instructions
@@ -37,9 +37,9 @@ function generateShadcnPrompt(options) {
             ## Usage Instructions
             ${component.usageDocs}
           `;
-      }
-    })
-    .join('\n\n')}
+        }
+      })
+      .join('\n\n')}
   `;
 
   return systemPrompt;

api/app/clients/specs/AnthropicClient.test.js

@@ -15,7 +15,7 @@ describe('AnthropicClient', () => {
     {
       role: 'user',
       isCreatedByUser: true,
-      text: 'What\'s up',
+      text: "What's up",
       messageId: '3',
       parentMessageId: '2',
     },
@@ -170,7 +170,7 @@ describe('AnthropicClient', () => {
       client.options.modelLabel = 'Claude-2';
       const result = await client.buildMessages(messages, parentMessageId);
       const { prompt } = result;
-      expect(prompt).toContain('Human\'s name: John');
+      expect(prompt).toContain("Human's name: John");
       expect(prompt).toContain('You are Claude-2');
     });
   });
@@ -244,6 +244,64 @@ describe('AnthropicClient', () => {
       );
     });
 
+    describe('Claude 4 model headers', () => {
+      it('should add "prompt-caching" beta header for claude-sonnet-4 model', () => {
+        const client = new AnthropicClient('test-api-key');
+        const modelOptions = {
+          model: 'claude-sonnet-4-20250514',
+        };
+        client.setOptions({ modelOptions, promptCache: true });
+        const anthropicClient = client.getClient(modelOptions);
+        expect(anthropicClient._options.defaultHeaders).toBeDefined();
+        expect(anthropicClient._options.defaultHeaders).toHaveProperty('anthropic-beta');
+        expect(anthropicClient._options.defaultHeaders['anthropic-beta']).toBe(
+          'prompt-caching-2024-07-31',
+        );
+      });
+
+      it('should add "prompt-caching" beta header for claude-opus-4 model', () => {
+        const client = new AnthropicClient('test-api-key');
+        const modelOptions = {
+          model: 'claude-opus-4-20250514',
+        };
+        client.setOptions({ modelOptions, promptCache: true });
+        const anthropicClient = client.getClient(modelOptions);
+        expect(anthropicClient._options.defaultHeaders).toBeDefined();
+        expect(anthropicClient._options.defaultHeaders).toHaveProperty('anthropic-beta');
+        expect(anthropicClient._options.defaultHeaders['anthropic-beta']).toBe(
+          'prompt-caching-2024-07-31',
+        );
+      });
+
+      it('should add "prompt-caching" beta header for claude-4-sonnet model', () => {
+        const client = new AnthropicClient('test-api-key');
+        const modelOptions = {
+          model: 'claude-4-sonnet-20250514',
+        };
+        client.setOptions({ modelOptions, promptCache: true });
+        const anthropicClient = client.getClient(modelOptions);
+        expect(anthropicClient._options.defaultHeaders).toBeDefined();
+        expect(anthropicClient._options.defaultHeaders).toHaveProperty('anthropic-beta');
+        expect(anthropicClient._options.defaultHeaders['anthropic-beta']).toBe(
+          'prompt-caching-2024-07-31',
+        );
+      });
+
+      it('should add "prompt-caching" beta header for claude-4-opus model', () => {
+        const client = new AnthropicClient('test-api-key');
+        const modelOptions = {
+          model: 'claude-4-opus-20250514',
+        };
+        client.setOptions({ modelOptions, promptCache: true });
+        const anthropicClient = client.getClient(modelOptions);
+        expect(anthropicClient._options.defaultHeaders).toBeDefined();
+        expect(anthropicClient._options.defaultHeaders).toHaveProperty('anthropic-beta');
+        expect(anthropicClient._options.defaultHeaders['anthropic-beta']).toBe(
+          'prompt-caching-2024-07-31',
+        );
+      });
+    });
+
     it('should not add beta header for claude-3-5-sonnet-latest model', () => {
       const client = new AnthropicClient('test-api-key');
       const modelOptions = {
@@ -456,6 +514,34 @@ describe('AnthropicClient', () => {
       expect(client.modelOptions.maxOutputTokens).toBe(highTokenValue);
     });
 
+    it('should not cap maxOutputTokens for Claude 4 Sonnet models', () => {
+      const client = new AnthropicClient('test-api-key');
+      const highTokenValue = anthropicSettings.legacy.maxOutputTokens.default * 10; // 40,960 tokens
+
+      client.setOptions({
+        modelOptions: {
+          model: 'claude-sonnet-4-20250514',
+          maxOutputTokens: highTokenValue,
+        },
+      });
+
+      expect(client.modelOptions.maxOutputTokens).toBe(highTokenValue);
+    });
+
+    it('should not cap maxOutputTokens for Claude 4 Opus models', () => {
+      const client = new AnthropicClient('test-api-key');
+      const highTokenValue = anthropicSettings.legacy.maxOutputTokens.default * 6; // 24,576 tokens (under 32K limit)
+
+      client.setOptions({
+        modelOptions: {
+          model: 'claude-opus-4-20250514',
+          maxOutputTokens: highTokenValue,
+        },
+      });
+
+      expect(client.modelOptions.maxOutputTokens).toBe(highTokenValue);
+    });
+
     it('should cap maxOutputTokens for Claude 3.5 Haiku models', () => {
       const client = new AnthropicClient('test-api-key');
       const highTokenValue = anthropicSettings.legacy.maxOutputTokens.default * 2;
@@ -729,4 +815,223 @@ describe('AnthropicClient', () => {
     expect(capturedOptions).toHaveProperty('topK', 10);
     expect(capturedOptions).toHaveProperty('topP', 0.9);
   });
+
+  describe('isClaudeLatest', () => {
+    it('should set isClaudeLatest to true for claude-3 models', () => {
+      const client = new AnthropicClient('test-api-key');
+      client.setOptions({
+        modelOptions: {
+          model: 'claude-3-sonnet-20240229',
+        },
+      });
+      expect(client.isClaudeLatest).toBe(true);
+    });
+
+    it('should set isClaudeLatest to true for claude-3.5 models', () => {
+      const client = new AnthropicClient('test-api-key');
+      client.setOptions({
+        modelOptions: {
+          model: 'claude-3.5-sonnet-20240229',
+        },
+      });
+      expect(client.isClaudeLatest).toBe(true);
+    });
+
+    it('should set isClaudeLatest to true for claude-sonnet-4 models', () => {
+      const client = new AnthropicClient('test-api-key');
+      client.setOptions({
+        modelOptions: {
+          model: 'claude-sonnet-4-20240229',
+        },
+      });
+      expect(client.isClaudeLatest).toBe(true);
+    });
+
+    it('should set isClaudeLatest to true for claude-opus-4 models', () => {
+      const client = new AnthropicClient('test-api-key');
+      client.setOptions({
+        modelOptions: {
+          model: 'claude-opus-4-20240229',
+        },
+      });
+      expect(client.isClaudeLatest).toBe(true);
+    });
+
+    it('should set isClaudeLatest to true for claude-3.5-haiku models', () => {
+      const client = new AnthropicClient('test-api-key');
+      client.setOptions({
+        modelOptions: {
+          model: 'claude-3.5-haiku-20240229',
+        },
+      });
+      expect(client.isClaudeLatest).toBe(true);
+    });
+
+    it('should set isClaudeLatest to false for claude-2 models', () => {
+      const client = new AnthropicClient('test-api-key');
+      client.setOptions({
+        modelOptions: {
+          model: 'claude-2',
+        },
+      });
+      expect(client.isClaudeLatest).toBe(false);
+    });
+
+    it('should set isClaudeLatest to false for claude-instant models', () => {
+      const client = new AnthropicClient('test-api-key');
+      client.setOptions({
+        modelOptions: {
+          model: 'claude-instant',
+        },
+      });
+      expect(client.isClaudeLatest).toBe(false);
+    });
+
+    it('should set isClaudeLatest to false for claude-sonnet-3 models', () => {
+      const client = new AnthropicClient('test-api-key');
+      client.setOptions({
+        modelOptions: {
+          model: 'claude-sonnet-3-20240229',
+        },
+      });
+      expect(client.isClaudeLatest).toBe(false);
+    });
+
+    it('should set isClaudeLatest to false for claude-opus-3 models', () => {
+      const client = new AnthropicClient('test-api-key');
+      client.setOptions({
+        modelOptions: {
+          model: 'claude-opus-3-20240229',
+        },
+      });
+      expect(client.isClaudeLatest).toBe(false);
+    });
+
+    it('should set isClaudeLatest to false for claude-haiku-3 models', () => {
+      const client = new AnthropicClient('test-api-key');
+      client.setOptions({
+        modelOptions: {
+          model: 'claude-haiku-3-20240229',
+        },
+      });
+      expect(client.isClaudeLatest).toBe(false);
+    });
+  });
+
+  describe('configureReasoning', () => {
+    it('should enable thinking for claude-opus-4 and claude-sonnet-4 models', async () => {
+      const client = new AnthropicClient('test-api-key');
+      // Create a mock async generator function
+      async function* mockAsyncGenerator() {
+        yield { type: 'message_start', message: { usage: {} } };
+        yield { delta: { text: 'Test response' } };
+        yield { type: 'message_delta', usage: {} };
+      }
+
+      // Mock createResponse to return the async generator
+      jest.spyOn(client, 'createResponse').mockImplementation(() => {
+        return mockAsyncGenerator();
+      });
+
+      // Test claude-opus-4
+      client.setOptions({
+        modelOptions: {
+          model: 'claude-opus-4-20250514',
+        },
+        thinking: true,
+        thinkingBudget: 2000,
+      });
+
+      let capturedOptions = null;
+      jest.spyOn(client, 'getClient').mockImplementation((options) => {
+        capturedOptions = options;
+        return {};
+      });
+
+      const payload = [{ role: 'user', content: 'Test message' }];
+      await client.sendCompletion(payload, {});
+
+      expect(capturedOptions).toHaveProperty('thinking');
+      expect(capturedOptions.thinking).toEqual({
+        type: 'enabled',
+        budget_tokens: 2000,
+      });
+
+      // Test claude-sonnet-4
+      client.setOptions({
+        modelOptions: {
+          model: 'claude-sonnet-4-20250514',
+        },
+        thinking: true,
+        thinkingBudget: 2000,
+      });
+
+      await client.sendCompletion(payload, {});
+
+      expect(capturedOptions).toHaveProperty('thinking');
+      expect(capturedOptions.thinking).toEqual({
+        type: 'enabled',
+        budget_tokens: 2000,
+      });
+    });
+  });
+});
+
+describe('Claude Model Tests', () => {
+  it('should handle Claude 3 and 4 series models correctly', () => {
+    const client = new AnthropicClient('test-key');
+    // Claude 3 series models
+    const claude3Models = [
+      'claude-3-opus-20240229',
+      'claude-3-sonnet-20240229',
+      'claude-3-haiku-20240307',
+      'claude-3-5-sonnet-20240620',
+      'claude-3-5-haiku-20240620',
+      'claude-3.5-sonnet-20240620',
+      'claude-3.5-haiku-20240620',
+      'claude-3.7-sonnet-20240620',
+      'claude-3.7-haiku-20240620',
+      'anthropic/claude-3-opus-20240229',
+      'claude-3-opus-20240229/anthropic',
+    ];
+
+    // Claude 4 series models
+    const claude4Models = [
+      'claude-sonnet-4-20250514',
+      'claude-opus-4-20250514',
+      'claude-4-sonnet-20250514',
+      'claude-4-opus-20250514',
+      'anthropic/claude-sonnet-4-20250514',
+      'claude-sonnet-4-20250514/anthropic',
+    ];
+
+    // Test Claude 3 series
+    claude3Models.forEach((model) => {
+      client.setOptions({ modelOptions: { model } });
+      expect(
+        /claude-[3-9]/.test(client.modelOptions.model) ||
+          /claude-(?:sonnet|opus|haiku)-[4-9]/.test(client.modelOptions.model),
+      ).toBe(true);
+    });
+
+    // Test Claude 4 series
+    claude4Models.forEach((model) => {
+      client.setOptions({ modelOptions: { model } });
+      expect(
+        /claude-[3-9]/.test(client.modelOptions.model) ||
+          /claude-(?:sonnet|opus|haiku)-[4-9]/.test(client.modelOptions.model),
+      ).toBe(true);
+    });
+
+    // Test non-Claude 3/4 models
+    const nonClaudeModels = ['claude-2', 'claude-instant', 'gpt-4', 'gpt-3.5-turbo'];
+
+    nonClaudeModels.forEach((model) => {
+      client.setOptions({ modelOptions: { model } });
+      expect(
+        /claude-[3-9]/.test(client.modelOptions.model) ||
+          /claude-(?:sonnet|opus|haiku)-[4-9]/.test(client.modelOptions.model),
+      ).toBe(false);
+    });
+  });
 });

api/app/clients/specs/BaseClient.test.js

@@ -32,7 +32,7 @@ jest.mock('~/models', () => ({
 
 const { getConvo, saveConvo } = require('~/models');
 
-jest.mock('@langchain/openai', () => {
+jest.mock('@librechat/agents', () => {
   return {
     ChatOpenAI: jest.fn().mockImplementation(() => {
       return {};
@@ -52,7 +52,7 @@ const messageHistory = [
   {
     role: 'user',
     isCreatedByUser: true,
-    text: 'What\'s up',
+    text: "What's up",
     messageId: '3',
     parentMessageId: '2',
   },
@@ -164,7 +164,7 @@ describe('BaseClient', () => {
     const result = await TestClient.getMessagesWithinTokenLimit({ messages });
 
     expect(result.context).toEqual(expectedContext);
-    expect(result.summaryIndex).toEqual(expectedIndex);
+    expect(result.messagesToRefine.length - 1).toEqual(expectedIndex);
     expect(result.remainingContextTokens).toBe(expectedRemainingContextTokens);
     expect(result.messagesToRefine).toEqual(expectedMessagesToRefine);
   });
@@ -200,7 +200,7 @@ describe('BaseClient', () => {
     const result = await TestClient.getMessagesWithinTokenLimit({ messages });
 
     expect(result.context).toEqual(expectedContext);
-    expect(result.summaryIndex).toEqual(expectedIndex);
+    expect(result.messagesToRefine.length - 1).toEqual(expectedIndex);
     expect(result.remainingContextTokens).toBe(expectedRemainingContextTokens);
     expect(result.messagesToRefine).toEqual(expectedMessagesToRefine);
   });
@@ -456,7 +456,7 @@ describe('BaseClient', () => {
 
       const chatMessages2 = await TestClient.loadHistory(conversationId, '3');
       expect(TestClient.currentMessages).toHaveLength(3);
-      expect(chatMessages2[chatMessages2.length - 1].text).toEqual('What\'s up');
+      expect(chatMessages2[chatMessages2.length - 1].text).toEqual("What's up");
     });
 
     /* Most of the new sendMessage logic revolving around edited/continued AI messages

api/app/clients/specs/OpenAIClient.test.js

@@ -1,9 +1,7 @@
 jest.mock('~/cache/getLogStores');
 require('dotenv').config();
-const OpenAI = require('openai');
-const getLogStores = require('~/cache/getLogStores');
 const { fetchEventSource } = require('@waylaidwanderer/fetch-event-source');
-const { genAzureChatCompletion } = require('~/utils/azureUtils');
+const getLogStores = require('~/cache/getLogStores');
 const OpenAIClient = require('../OpenAIClient');
 jest.mock('meilisearch');
 
@@ -36,19 +34,21 @@ jest.mock('~/models', () => ({
   updateFileUsage: jest.fn(),
 }));
 
-jest.mock('@langchain/openai', () => {
-  return {
-    ChatOpenAI: jest.fn().mockImplementation(() => {
-      return {};
-    }),
-  };
+// Import the actual module but mock specific parts
+const agents = jest.requireActual('@librechat/agents');
+const { CustomOpenAIClient } = agents;
+
+// Also mock ChatOpenAI to prevent real API calls
+agents.ChatOpenAI = jest.fn().mockImplementation(() => {
+  return {};
+});
+agents.AzureChatOpenAI = jest.fn().mockImplementation(() => {
+  return {};
 });
 
-jest.mock('openai');
-
-jest.spyOn(OpenAI, 'constructor').mockImplementation(function (...options) {
-  // We can add additional logic here if needed
-  return new OpenAI(...options);
+// Mock only the CustomOpenAIClient constructor
+jest.spyOn(CustomOpenAIClient, 'constructor').mockImplementation(function (...options) {
+  return new CustomOpenAIClient(...options);
 });
 
 const finalChatCompletion = jest.fn().mockResolvedValue({
@@ -120,7 +120,13 @@ const create = jest.fn().mockResolvedValue({
   ],
 });
 
-OpenAI.mockImplementation(() => ({
+// Mock the implementation of CustomOpenAIClient instances
+jest.spyOn(CustomOpenAIClient.prototype, 'constructor').mockImplementation(function () {
+  return this;
+});
+
+// Create a mock for the CustomOpenAIClient class
+const mockCustomOpenAIClient = jest.fn().mockImplementation(() => ({
   beta: {
     chat: {
       completions: {
@@ -135,11 +141,14 @@ OpenAI.mockImplementation(() => ({
   },
 }));
 
-describe('OpenAIClient', () => {
-  const mockSet = jest.fn();
-  const mockCache = { set: mockSet };
+CustomOpenAIClient.mockImplementation = mockCustomOpenAIClient;
 
+describe('OpenAIClient', () => {
   beforeEach(() => {
+    const mockCache = {
+      get: jest.fn().mockResolvedValue({}),
+      set: jest.fn(),
+    };
     getLogStores.mockReturnValue(mockCache);
   });
   let client;
@@ -453,17 +462,17 @@ describe('OpenAIClient', () => {
         role: 'system',
         name: 'example_user',
         content:
-          'Let\'s circle back when we have more bandwidth to touch base on opportunities for increased leverage.',
+          "Let's circle back when we have more bandwidth to touch base on opportunities for increased leverage.",
       },
       {
         role: 'system',
         name: 'example_assistant',
-        content: 'Let\'s talk later when we\'re less busy about how to do better.',
+        content: "Let's talk later when we're less busy about how to do better.",
       },
       {
         role: 'user',
         content:
-          'This late pivot means we don\'t have time to boil the ocean for the client deliverable.',
+          "This late pivot means we don't have time to boil the ocean for the client deliverable.",
       },
     ];
 
@@ -558,41 +567,6 @@ describe('OpenAIClient', () => {
       expect(requestBody).toHaveProperty('model');
       expect(requestBody.model).toBe(model);
     });
-
-    it('[Azure OpenAI] should call chatCompletion and OpenAI.stream with correct args', async () => {
-      // Set a default model
-      process.env.AZURE_OPENAI_DEFAULT_MODEL = 'gpt4-turbo';
-
-      const onProgress = jest.fn().mockImplementation(() => ({}));
-      client.azure = defaultAzureOptions;
-      const chatCompletion = jest.spyOn(client, 'chatCompletion');
-      await client.sendMessage('Hi mom!', {
-        replaceOptions: true,
-        ...defaultOptions,
-        modelOptions: { model: 'gpt4-turbo', stream: true },
-        onProgress,
-        azure: defaultAzureOptions,
-      });
-
-      expect(chatCompletion).toHaveBeenCalled();
-      expect(chatCompletion.mock.calls.length).toBe(1);
-
-      const chatCompletionArgs = chatCompletion.mock.calls[0][0];
-      const { payload } = chatCompletionArgs;
-
-      expect(payload[0].role).toBe('user');
-      expect(payload[0].content).toBe('Hi mom!');
-
-      // Azure OpenAI does not use the model property, and will error if it's passed
-      // This check ensures the model property is not present
-      const streamArgs = stream.mock.calls[0][0];
-      expect(streamArgs).not.toHaveProperty('model');
-
-      // Check if the baseURL is correct
-      const constructorArgs = OpenAI.mock.calls[0][0];
-      const expectedURL = genAzureChatCompletion(defaultAzureOptions).split('/chat')[0];
-      expect(constructorArgs.baseURL).toBe(expectedURL);
-    });
   });
 
   describe('checkVisionRequest functionality', () => {

api/app/clients/tools/index.js

@@ -10,6 +10,7 @@ const StructuredACS = require('./structured/AzureAISearch');
 const StructuredSD = require('./structured/StableDiffusion');
 const GoogleSearchAPI = require('./structured/GoogleSearch');
 const TraversaalSearch = require('./structured/TraversaalSearch');
+const createOpenAIImageTools = require('./structured/OpenAIImageTools');
 const TavilySearchResults = require('./structured/TavilySearchResults');
 
 /** @type {Record<string, TPlugin | undefined>} */
@@ -40,4 +41,5 @@ module.exports = {
   StructuredWolfram,
   createYouTubeTools,
   TavilySearchResults,
+  createOpenAIImageTools,
 };

api/app/clients/tools/manifest.json

@@ -44,6 +44,20 @@
       }
     ]
   },
+  {
+    "name": "OpenAI Image Tools",
+    "pluginKey": "image_gen_oai",
+    "toolkit": true,
+    "description": "Image Generation and Editing using OpenAI's latest state-of-the-art models",
+    "icon": "/assets/image_gen_oai.png",
+    "authConfig": [
+      {
+        "authField": "IMAGE_GEN_OAI_API_KEY",
+        "label": "OpenAI Image Tools API Key",
+        "description": "Your OpenAI API Key for Image Generation and Editing"
+      }
+    ]
+  },
   {
     "name": "Wolfram",
     "pluginKey": "wolfram",

api/app/clients/tools/structured/AzureAISearch.js

@@ -18,7 +18,7 @@ class AzureAISearch extends Tool {
     super();
     this.name = 'azure-ai-search';
     this.description =
-      'Use the \'azure-ai-search\' tool to retrieve search results relevant to your input';
+      "Use the 'azure-ai-search' tool to retrieve search results relevant to your input";
     /* Used to initialize the Tool without necessary variables. */
     this.override = fields.override ?? false;
 

api/app/clients/tools/structured/DALLE3.js

@@ -11,7 +11,7 @@ const extractBaseURL = require('~/utils/extractBaseURL');
 const { logger } = require('~/config');
 
 const displayMessage =
-  'DALL-E displayed an image. All generated images are already plainly visible, so don\'t repeat the descriptions in detail. Do not list download links as they are available in the UI already. The user may download the images by clicking on them, but do not mention anything about downloading to the user.';
+  "DALL-E displayed an image. All generated images are already plainly visible, so don't repeat the descriptions in detail. Do not list download links as they are available in the UI already. The user may download the images by clicking on them, but do not mention anything about downloading to the user.";
 class DALLE3 extends Tool {
   constructor(fields = {}) {
     super();
@@ -172,7 +172,7 @@ Error Message: ${error.message}`);
         {
           type: ContentTypes.IMAGE_URL,
           image_url: {
-            url: `data:image/jpeg;base64,${base64}`,
+            url: `data:image/png;base64,${base64}`,
           },
         },
       ];

api/app/clients/tools/structured/FluxAPI.js

@@ -8,7 +8,7 @@ const { FileContext, ContentTypes } = require('librechat-data-provider');
 const { logger } = require('~/config');
 
 const displayMessage =
-  'Flux displayed an image. All generated images are already plainly visible, so don\'t repeat the descriptions in detail. Do not list download links as they are available in the UI already. The user may download the images by clicking on them, but do not mention anything about downloading to the user.';
+  "Flux displayed an image. All generated images are already plainly visible, so don't repeat the descriptions in detail. Do not list download links as they are available in the UI already. The user may download the images by clicking on them, but do not mention anything about downloading to the user.";
 
 /**
  * FluxAPI - A tool for generating high-quality images from text prompts using the Flux API.

api/app/clients/tools/structured/OpenAIImageTools.js

@@ -0,0 +1,518 @@
+const { z } = require('zod');
+const axios = require('axios');
+const { v4 } = require('uuid');
+const OpenAI = require('openai');
+const FormData = require('form-data');
+const { tool } = require('@langchain/core/tools');
+const { HttpsProxyAgent } = require('https-proxy-agent');
+const { ContentTypes, EImageOutputType } = require('librechat-data-provider');
+const { getStrategyFunctions } = require('~/server/services/Files/strategies');
+const { logAxiosError, extractBaseURL } = require('~/utils');
+const { getFiles } = require('~/models/File');
+const { logger } = require('~/config');
+
+/** Default descriptions for image generation tool  */
+const DEFAULT_IMAGE_GEN_DESCRIPTION = `
+Generates high-quality, original images based solely on text, not using any uploaded reference images.
+
+When to use \`image_gen_oai\`:
+- To create entirely new images from detailed text descriptions that do NOT reference any image files.
+
+When NOT to use \`image_gen_oai\`:
+- If the user has uploaded any images and requests modifications, enhancements, or remixing based on those uploads → use \`image_edit_oai\` instead.
+
+Generated image IDs will be returned in the response, so you can refer to them in future requests made to \`image_edit_oai\`.
+`.trim();
+
+/** Default description for image editing tool  */
+const DEFAULT_IMAGE_EDIT_DESCRIPTION =
+  `Generates high-quality, original images based on text and one or more uploaded/referenced images.
+
+When to use \`image_edit_oai\`:
+- The user wants to modify, extend, or remix one **or more** uploaded images, either:
+- Previously generated, or in the current request (both to be included in the \`image_ids\` array).
+- Always when the user refers to uploaded images for editing, enhancement, remixing, style transfer, or combining elements.
+- Any current or existing images are to be used as visual guides.
+- If there are any files in the current request, they are more likely than not expected as references for image edit requests.
+
+When NOT to use \`image_edit_oai\`:
+- Brand-new generations that do not rely on an existing image → use \`image_gen_oai\` instead.
+
+Both generated and referenced image IDs will be returned in the response, so you can refer to them in future requests made to \`image_edit_oai\`.
+`.trim();
+
+/** Default prompt descriptions  */
+const DEFAULT_IMAGE_GEN_PROMPT_DESCRIPTION = `Describe the image you want in detail. 
+      Be highly specific—break your idea into layers: 
+      (1) main concept and subject,
+      (2) composition and position,
+      (3) lighting and mood,
+      (4) style, medium, or camera details,
+      (5) important features (age, expression, clothing, etc.),
+      (6) background.
+      Use positive, descriptive language and specify what should be included, not what to avoid. 
+      List number and characteristics of people/objects, and mention style/technical requirements (e.g., "DSLR photo, 85mm lens, golden hour").
+      Do not reference any uploaded images—use for new image creation from text only.`;
+
+const DEFAULT_IMAGE_EDIT_PROMPT_DESCRIPTION = `Describe the changes, enhancements, or new ideas to apply to the uploaded image(s).
+      Be highly specific—break your request into layers: 
+      (1) main concept or transformation,
+      (2) specific edits/replacements or composition guidance,
+      (3) desired style, mood, or technique,
+      (4) features/items to keep, change, or add (such as objects, people, clothing, lighting, etc.).
+      Use positive, descriptive language and clarify what should be included or changed, not what to avoid.
+      Always base this prompt on the most recently uploaded reference images.`;
+
+const displayMessage =
+  "The tool displayed an image. All generated images are already plainly visible, so don't repeat the descriptions in detail. Do not list download links as they are available in the UI already. The user may download the images by clicking on them, but do not mention anything about downloading to the user.";
+
+/**
+ * Replaces unwanted characters from the input string
+ * @param {string} inputString - The input string to process
+ * @returns {string} - The processed string
+ */
+function replaceUnwantedChars(inputString) {
+  return inputString
+    .replace(/\r\n|\r|\n/g, ' ')
+    .replace(/"/g, '')
+    .trim();
+}
+
+function returnValue(value) {
+  if (typeof value === 'string') {
+    return [value, {}];
+  } else if (typeof value === 'object') {
+    if (Array.isArray(value)) {
+      return value;
+    }
+    return [displayMessage, value];
+  }
+  return value;
+}
+
+const getImageGenDescription = () => {
+  return process.env.IMAGE_GEN_OAI_DESCRIPTION || DEFAULT_IMAGE_GEN_DESCRIPTION;
+};
+
+const getImageEditDescription = () => {
+  return process.env.IMAGE_EDIT_OAI_DESCRIPTION || DEFAULT_IMAGE_EDIT_DESCRIPTION;
+};
+
+const getImageGenPromptDescription = () => {
+  return process.env.IMAGE_GEN_OAI_PROMPT_DESCRIPTION || DEFAULT_IMAGE_GEN_PROMPT_DESCRIPTION;
+};
+
+const getImageEditPromptDescription = () => {
+  return process.env.IMAGE_EDIT_OAI_PROMPT_DESCRIPTION || DEFAULT_IMAGE_EDIT_PROMPT_DESCRIPTION;
+};
+
+/**
+ * Creates OpenAI Image tools (generation and editing)
+ * @param {Object} fields - Configuration fields
+ * @param {ServerRequest} fields.req - Whether the tool is being used in an agent context
+ * @param {boolean} fields.isAgent - Whether the tool is being used in an agent context
+ * @param {string} fields.IMAGE_GEN_OAI_API_KEY - The OpenAI API key
+ * @param {boolean} [fields.override] - Whether to override the API key check, necessary for app initialization
+ * @param {MongoFile[]} [fields.imageFiles] - The images to be used for editing
+ * @returns {Array} - Array of image tools
+ */
+function createOpenAIImageTools(fields = {}) {
+  /** @type {boolean} Used to initialize the Tool without necessary variables. */
+  const override = fields.override ?? false;
+  /** @type {boolean} */
+  if (!override && !fields.isAgent) {
+    throw new Error('This tool is only available for agents.');
+  }
+  const { req } = fields;
+  const imageOutputType = req?.app.locals.imageOutputType || EImageOutputType.PNG;
+  const appFileStrategy = req?.app.locals.fileStrategy;
+
+  const getApiKey = () => {
+    const apiKey = process.env.IMAGE_GEN_OAI_API_KEY ?? '';
+    if (!apiKey && !override) {
+      throw new Error('Missing IMAGE_GEN_OAI_API_KEY environment variable.');
+    }
+    return apiKey;
+  };
+
+  let apiKey = fields.IMAGE_GEN_OAI_API_KEY ?? getApiKey();
+  const closureConfig = { apiKey };
+
+  let baseURL = 'https://api.openai.com/v1/';
+  if (!override && process.env.IMAGE_GEN_OAI_BASEURL) {
+    baseURL = extractBaseURL(process.env.IMAGE_GEN_OAI_BASEURL);
+    closureConfig.baseURL = baseURL;
+  }
+
+  // Note: Azure may not yet support the latest image generation models
+  if (
+    !override &&
+    process.env.IMAGE_GEN_OAI_AZURE_API_VERSION &&
+    process.env.IMAGE_GEN_OAI_BASEURL
+  ) {
+    baseURL = process.env.IMAGE_GEN_OAI_BASEURL;
+    closureConfig.baseURL = baseURL;
+    closureConfig.defaultQuery = { 'api-version': process.env.IMAGE_GEN_OAI_AZURE_API_VERSION };
+    closureConfig.defaultHeaders = {
+      'api-key': process.env.IMAGE_GEN_OAI_API_KEY,
+      'Content-Type': 'application/json',
+    };
+    closureConfig.apiKey = process.env.IMAGE_GEN_OAI_API_KEY;
+  }
+
+  const imageFiles = fields.imageFiles ?? [];
+
+  /**
+   * Image Generation Tool
+   */
+  const imageGenTool = tool(
+    async (
+      {
+        prompt,
+        background = 'auto',
+        n = 1,
+        output_compression = 100,
+        quality = 'auto',
+        size = 'auto',
+      },
+      runnableConfig,
+    ) => {
+      if (!prompt) {
+        throw new Error('Missing required field: prompt');
+      }
+      const clientConfig = { ...closureConfig };
+      if (process.env.PROXY) {
+        clientConfig.httpAgent = new HttpsProxyAgent(process.env.PROXY);
+      }
+
+      /** @type {OpenAI} */
+      const openai = new OpenAI(clientConfig);
+      let output_format = imageOutputType;
+      if (
+        background === 'transparent' &&
+        output_format !== EImageOutputType.PNG &&
+        output_format !== EImageOutputType.WEBP
+      ) {
+        logger.warn(
+          '[ImageGenOAI] Transparent background requires PNG or WebP format, defaulting to PNG',
+        );
+        output_format = EImageOutputType.PNG;
+      }
+
+      let resp;
+      try {
+        const derivedSignal = runnableConfig?.signal
+          ? AbortSignal.any([runnableConfig.signal])
+          : undefined;
+        resp = await openai.images.generate(
+          {
+            model: 'gpt-image-1',
+            prompt: replaceUnwantedChars(prompt),
+            n: Math.min(Math.max(1, n), 10),
+            background,
+            output_format,
+            output_compression:
+              output_format === EImageOutputType.WEBP || output_format === EImageOutputType.JPEG
+                ? output_compression
+                : undefined,
+            quality,
+            size,
+          },
+          {
+            signal: derivedSignal,
+          },
+        );
+      } catch (error) {
+        const message = '[image_gen_oai] Problem generating the image:';
+        logAxiosError({ error, message });
+        return returnValue(`Something went wrong when trying to generate the image. The OpenAI API may be unavailable:
+Error Message: ${error.message}`);
+      }
+
+      if (!resp) {
+        return returnValue(
+          'Something went wrong when trying to generate the image. The OpenAI API may be unavailable',
+        );
+      }
+
+      // For gpt-image-1, the response contains base64-encoded images
+      // TODO: handle cost in `resp.usage`
+      const base64Image = resp.data[0].b64_json;
+
+      if (!base64Image) {
+        return returnValue(
+          'No image data returned from OpenAI API. There may be a problem with the API or your configuration.',
+        );
+      }
+
+      const content = [
+        {
+          type: ContentTypes.IMAGE_URL,
+          image_url: {
+            url: `data:image/${output_format};base64,${base64Image}`,
+          },
+        },
+      ];
+
+      const file_ids = [v4()];
+      const response = [
+        {
+          type: ContentTypes.TEXT,
+          text: displayMessage + `\n\ngenerated_image_id: "${file_ids[0]}"`,
+        },
+      ];
+      return [response, { content, file_ids }];
+    },
+    {
+      name: 'image_gen_oai',
+      description: getImageGenDescription(),
+      schema: z.object({
+        prompt: z.string().max(32000).describe(getImageGenPromptDescription()),
+        background: z
+          .enum(['transparent', 'opaque', 'auto'])
+          .optional()
+          .describe(
+            'Sets transparency for the background. Must be one of transparent, opaque or auto (default). When transparent, the output format should be png or webp.',
+          ),
+        /*
+        n: z
+          .number()
+          .int()
+          .min(1)
+          .max(10)
+          .optional()
+          .describe('The number of images to generate. Must be between 1 and 10.'),
+        output_compression: z
+          .number()
+          .int()
+          .min(0)
+          .max(100)
+          .optional()
+          .describe('The compression level (0-100%) for webp or jpeg formats. Defaults to 100.'),
+           */
+        quality: z
+          .enum(['auto', 'high', 'medium', 'low'])
+          .optional()
+          .describe('The quality of the image. One of auto (default), high, medium, or low.'),
+        size: z
+          .enum(['auto', '1024x1024', '1536x1024', '1024x1536'])
+          .optional()
+          .describe(
+            'The size of the generated image. One of 1024x1024, 1536x1024 (landscape), 1024x1536 (portrait), or auto (default).',
+          ),
+      }),
+      responseFormat: 'content_and_artifact',
+    },
+  );
+
+  /**
+   * Image Editing Tool
+   */
+  const imageEditTool = tool(
+    async ({ prompt, image_ids, quality = 'auto', size = 'auto' }, runnableConfig) => {
+      if (!prompt) {
+        throw new Error('Missing required field: prompt');
+      }
+
+      const clientConfig = { ...closureConfig };
+      if (process.env.PROXY) {
+        clientConfig.httpAgent = new HttpsProxyAgent(process.env.PROXY);
+      }
+
+      const formData = new FormData();
+      formData.append('model', 'gpt-image-1');
+      formData.append('prompt', replaceUnwantedChars(prompt));
+      // TODO: `mask` support
+      // TODO: more than 1 image support
+      // formData.append('n', n.toString());
+      formData.append('quality', quality);
+      formData.append('size', size);
+
+      /** @type {Record<FileSources, undefined | NodeStreamDownloader<File>>} */
+      const streamMethods = {};
+
+      const requestFilesMap = Object.fromEntries(imageFiles.map((f) => [f.file_id, { ...f }]));
+
+      const orderedFiles = new Array(image_ids.length);
+      const idsToFetch = [];
+      const indexOfMissing = Object.create(null);
+
+      for (let i = 0; i < image_ids.length; i++) {
+        const id = image_ids[i];
+        const file = requestFilesMap[id];
+
+        if (file) {
+          orderedFiles[i] = file;
+        } else {
+          idsToFetch.push(id);
+          indexOfMissing[id] = i;
+        }
+      }
+
+      if (idsToFetch.length) {
+        const fetchedFiles = await getFiles(
+          {
+            user: req.user.id,
+            file_id: { $in: idsToFetch },
+            height: { $exists: true },
+            width: { $exists: true },
+          },
+          {},
+          {},
+        );
+
+        for (const file of fetchedFiles) {
+          requestFilesMap[file.file_id] = file;
+          orderedFiles[indexOfMissing[file.file_id]] = file;
+        }
+      }
+      for (const imageFile of orderedFiles) {
+        if (!imageFile) {
+          continue;
+        }
+        /** @type {NodeStream<File>} */
+        let stream;
+        /** @type {NodeStreamDownloader<File>} */
+        let getDownloadStream;
+        const source = imageFile.source || appFileStrategy;
+        if (!source) {
+          throw new Error('No source found for image file');
+        }
+        if (streamMethods[source]) {
+          getDownloadStream = streamMethods[source];
+        } else {
+          ({ getDownloadStream } = getStrategyFunctions(source));
+          streamMethods[source] = getDownloadStream;
+        }
+        if (!getDownloadStream) {
+          throw new Error(`No download stream method found for source: ${source}`);
+        }
+        stream = await getDownloadStream(req, imageFile.filepath);
+        if (!stream) {
+          throw new Error('Failed to get download stream for image file');
+        }
+        formData.append('image[]', stream, {
+          filename: imageFile.filename,
+          contentType: imageFile.type,
+        });
+      }
+
+      /** @type {import('axios').RawAxiosHeaders} */
+      let headers = {
+        ...formData.getHeaders(),
+      };
+
+      if (process.env.IMAGE_GEN_OAI_AZURE_API_VERSION && process.env.IMAGE_GEN_OAI_BASEURL) {
+        headers['api-key'] = apiKey;
+      } else {
+        headers['Authorization'] = `Bearer ${apiKey}`;
+      }
+
+      try {
+        const derivedSignal = runnableConfig?.signal
+          ? AbortSignal.any([runnableConfig.signal])
+          : undefined;
+
+        /** @type {import('axios').AxiosRequestConfig} */
+        const axiosConfig = {
+          headers,
+          ...clientConfig,
+          signal: derivedSignal,
+          baseURL,
+        };
+
+        if (process.env.IMAGE_GEN_OAI_AZURE_API_VERSION && process.env.IMAGE_GEN_OAI_BASEURL) {
+          axiosConfig.params = {
+            'api-version': process.env.IMAGE_GEN_OAI_AZURE_API_VERSION,
+            ...axiosConfig.params,
+          };
+        }
+        const response = await axios.post('/images/edits', formData, axiosConfig);
+
+        if (!response.data || !response.data.data || !response.data.data.length) {
+          return returnValue(
+            'No image data returned from OpenAI API. There may be a problem with the API or your configuration.',
+          );
+        }
+
+        const base64Image = response.data.data[0].b64_json;
+        if (!base64Image) {
+          return returnValue(
+            'No image data returned from OpenAI API. There may be a problem with the API or your configuration.',
+          );
+        }
+
+        const content = [
+          {
+            type: ContentTypes.IMAGE_URL,
+            image_url: {
+              url: `data:image/${imageOutputType};base64,${base64Image}`,
+            },
+          },
+        ];
+
+        const file_ids = [v4()];
+        const textResponse = [
+          {
+            type: ContentTypes.TEXT,
+            text:
+              displayMessage +
+              `\n\ngenerated_image_id: "${file_ids[0]}"\nreferenced_image_ids: ["${image_ids.join('", "')}"]`,
+          },
+        ];
+        return [textResponse, { content, file_ids }];
+      } catch (error) {
+        const message = '[image_edit_oai] Problem editing the image:';
+        logAxiosError({ error, message });
+        return returnValue(`Something went wrong when trying to edit the image. The OpenAI API may be unavailable:
+Error Message: ${error.message || 'Unknown error'}`);
+      }
+    },
+    {
+      name: 'image_edit_oai',
+      description: getImageEditDescription(),
+      schema: z.object({
+        image_ids: z
+          .array(z.string())
+          .min(1)
+          .describe(
+            `
+IDs (image ID strings) of previously generated or uploaded images that should guide the edit.
+
+Guidelines:
+- If the user's request depends on any prior image(s), copy their image IDs into the \`image_ids\` array (in the same order the user refers to them).  
+- Never invent or hallucinate IDs; only use IDs that are still visible in the conversation context.
+- If no earlier image is relevant, omit the field entirely.
+`.trim(),
+          ),
+        prompt: z.string().max(32000).describe(getImageEditPromptDescription()),
+        /*
+        n: z
+          .number()
+          .int()
+          .min(1)
+          .max(10)
+          .optional()
+          .describe('The number of images to generate. Must be between 1 and 10. Defaults to 1.'),
+        */
+        quality: z
+          .enum(['auto', 'high', 'medium', 'low'])
+          .optional()
+          .describe(
+            'The quality of the image. One of auto (default), high, medium, or low. High/medium/low only supported for gpt-image-1.',
+          ),
+        size: z
+          .enum(['auto', '1024x1024', '1536x1024', '1024x1536', '256x256', '512x512'])
+          .optional()
+          .describe(
+            'The size of the generated images. For gpt-image-1: auto (default), 1024x1024, 1536x1024, 1024x1536. For dall-e-2: 256x256, 512x512, 1024x1024.',
+          ),
+      }),
+      responseFormat: 'content_and_artifact',
+    },
+  );
+
+  return [imageGenTool, imageEditTool];
+}
+
+module.exports = createOpenAIImageTools;

api/app/clients/tools/structured/OpenWeather.js

@@ -232,7 +232,7 @@ class OpenWeather extends Tool {
 
       if (['current_forecast', 'timestamp', 'daily_aggregation', 'overview'].includes(action)) {
         if (typeof finalLat !== 'number' || typeof finalLon !== 'number') {
-          return 'Error: lat and lon are required and must be numbers for this action (or specify \'city\').';
+          return "Error: lat and lon are required and must be numbers for this action (or specify 'city').";
         }
       }
 
@@ -243,7 +243,7 @@ class OpenWeather extends Tool {
       let dt;
       if (action === 'timestamp') {
         if (!date) {
-          return 'Error: For timestamp action, a \'date\' in YYYY-MM-DD format is required.';
+          return "Error: For timestamp action, a 'date' in YYYY-MM-DD format is required.";
         }
         dt = this.convertDateToUnix(date);
       }

api/app/clients/tools/structured/StableDiffusion.js

@@ -11,7 +11,7 @@ const paths = require('~/config/paths');
 const { logger } = require('~/config');
 
 const displayMessage =
-  'Stable Diffusion displayed an image. All generated images are already plainly visible, so don\'t repeat the descriptions in detail. Do not list download links as they are available in the UI already. The user may download the images by clicking on them, but do not mention anything about downloading to the user.';
+  "Stable Diffusion displayed an image. All generated images are already plainly visible, so don't repeat the descriptions in detail. Do not list download links as they are available in the UI already. The user may download the images by clicking on them, but do not mention anything about downloading to the user.";
 
 class StableDiffusionAPI extends Tool {
   constructor(fields) {
@@ -44,7 +44,7 @@ class StableDiffusionAPI extends Tool {
 // "negative_prompt":"semi-realistic, cgi, 3d, render, sketch, cartoon, drawing, anime, out of frame, low quality, ugly, mutation, deformed"
 // - Generate images only once per human query unless explicitly requested by the user`;
     this.description =
-      'You can generate images using text with \'stable-diffusion\'. This tool is exclusively for visual content.';
+      "You can generate images using text with 'stable-diffusion'. This tool is exclusively for visual content.";
     this.schema = z.object({
       prompt: z
         .string()

api/app/clients/tools/structured/TavilySearchResults.js

@@ -43,9 +43,39 @@ class TavilySearchResults extends Tool {
         .boolean()
         .optional()
         .describe('Whether to include answers in the search results. Default is False.'),
-      // include_raw_content: z.boolean().optional().describe('Whether to include raw content in the search results. Default is False.'),
-      // include_domains: z.array(z.string()).optional().describe('A list of domains to specifically include in the search results.'),
-      // exclude_domains: z.array(z.string()).optional().describe('A list of domains to specifically exclude from the search results.'),
+      include_raw_content: z
+        .boolean()
+        .optional()
+        .describe('Whether to include raw content in the search results. Default is False.'),
+      include_domains: z
+        .array(z.string())
+        .optional()
+        .describe('A list of domains to specifically include in the search results.'),
+      exclude_domains: z
+        .array(z.string())
+        .optional()
+        .describe('A list of domains to specifically exclude from the search results.'),
+      topic: z
+        .enum(['general', 'news', 'finance'])
+        .optional()
+        .describe(
+          'The category of the search. Use news ONLY if query SPECIFCALLY mentions the word "news".',
+        ),
+      time_range: z
+        .enum(['day', 'week', 'month', 'year', 'd', 'w', 'm', 'y'])
+        .optional()
+        .describe('The time range back from the current date to filter results.'),
+      days: z
+        .number()
+        .min(1)
+        .optional()
+        .describe('Number of days back from the current date to include. Only if topic is news.'),
+      include_image_descriptions: z
+        .boolean()
+        .optional()
+        .describe(
+          'When include_images is true, also add a descriptive text for each image. Default is false.',
+        ),
     });
   }
 

api/app/clients/tools/structured/TraversaalSearch.js

@@ -21,7 +21,7 @@ class TraversaalSearch extends Tool {
       query: z
         .string()
         .describe(
-          'A properly written sentence to be interpreted by an AI to search the web according to the user\'s request.',
+          "A properly written sentence to be interpreted by an AI to search the web according to the user's request.",
         ),
     });
 
@@ -38,7 +38,6 @@ class TraversaalSearch extends Tool {
     return apiKey;
   }
 
-  // eslint-disable-next-line no-unused-vars
   async _call({ query }, _runManager) {
     const body = {
       query: [query],

api/app/clients/tools/structured/YouTube.js

@@ -29,7 +29,7 @@ function parseTranscript(transcriptResponse) {
     .map((entry) => entry.text.trim())
     .filter((text) => text)
     .join(' ')
-    .replaceAll(''', '\'');
+    .replaceAll(''', "'");
 }
 
 function createYouTubeTools(fields = {}) {

api/app/clients/tools/util/addOpenAPISpecs.js

@@ -1,30 +0,0 @@
-const { loadSpecs } = require('./loadSpecs');
-
-function transformSpec(input) {
-  return {
-    name: input.name_for_human,
-    pluginKey: input.name_for_model,
-    description: input.description_for_human,
-    icon: input?.logo_url ?? 'https://placehold.co/70x70.png',
-    // TODO: add support for authentication
-    isAuthRequired: 'false',
-    authConfig: [],
-  };
-}
-
-async function addOpenAPISpecs(availableTools) {
-  try {
-    const specs = (await loadSpecs({})).map(transformSpec);
-    if (specs.length > 0) {
-      return [...specs, ...availableTools];
-    }
-    return availableTools;
-  } catch (error) {
-    return availableTools;
-  }
-}
-
-module.exports = {
-  transformSpec,
-  addOpenAPISpecs,
-};

api/app/clients/tools/util/addOpenAPISpecs.spec.js

@@ -1,76 +0,0 @@
-const { addOpenAPISpecs, transformSpec } = require('./addOpenAPISpecs');
-const { loadSpecs } = require('./loadSpecs');
-const { createOpenAPIPlugin } = require('../dynamic/OpenAPIPlugin');
-
-jest.mock('./loadSpecs');
-jest.mock('../dynamic/OpenAPIPlugin');
-
-describe('transformSpec', () => {
-  it('should transform input spec to a desired format', () => {
-    const input = {
-      name_for_human: 'Human Name',
-      name_for_model: 'Model Name',
-      description_for_human: 'Human Description',
-      logo_url: 'https://example.com/logo.png',
-    };
-
-    const expectedOutput = {
-      name: 'Human Name',
-      pluginKey: 'Model Name',
-      description: 'Human Description',
-      icon: 'https://example.com/logo.png',
-      isAuthRequired: 'false',
-      authConfig: [],
-    };
-
-    expect(transformSpec(input)).toEqual(expectedOutput);
-  });
-
-  it('should use default icon if logo_url is not provided', () => {
-    const input = {
-      name_for_human: 'Human Name',
-      name_for_model: 'Model Name',
-      description_for_human: 'Human Description',
-    };
-
-    const expectedOutput = {
-      name: 'Human Name',
-      pluginKey: 'Model Name',
-      description: 'Human Description',
-      icon: 'https://placehold.co/70x70.png',
-      isAuthRequired: 'false',
-      authConfig: [],
-    };
-
-    expect(transformSpec(input)).toEqual(expectedOutput);
-  });
-});
-
-describe('addOpenAPISpecs', () => {
-  it('should add specs to available tools', async () => {
-    const availableTools = ['Tool1', 'Tool2'];
-    const specs = [
-      {
-        name_for_human: 'Human Name',
-        name_for_model: 'Model Name',
-        description_for_human: 'Human Description',
-        logo_url: 'https://example.com/logo.png',
-      },
-    ];
-
-    loadSpecs.mockResolvedValue(specs);
-    createOpenAPIPlugin.mockReturnValue('Plugin');
-
-    const result = await addOpenAPISpecs(availableTools);
-    expect(result).toEqual([...specs.map(transformSpec), ...availableTools]);
-  });
-
-  it('should return available tools if specs loading fails', async () => {
-    const availableTools = ['Tool1', 'Tool2'];
-
-    loadSpecs.mockRejectedValue(new Error('Failed to load specs'));
-
-    const result = await addOpenAPISpecs(availableTools);
-    expect(result).toEqual(availableTools);
-  });
-});

api/app/clients/tools/util/fileSearch.js

@@ -135,7 +135,7 @@ const createFileSearchTool = async ({ req, files, entity_id }) => {
         query: z
           .string()
           .describe(
-            'A natural language query to search for relevant information in the files. Be specific and use keywords related to the information you\'re looking for. The query will be used for semantic similarity matching against the file contents.',
+            "A natural language query to search for relevant information in the files. Be specific and use keywords related to the information you're looking for. The query will be used for semantic similarity matching against the file contents.",
           ),
       }),
     },

api/app/clients/tools/util/handleTools.js

@@ -1,7 +1,13 @@
-const { Tools, Constants } = require('librechat-data-provider');
 const { SerpAPI } = require('@langchain/community/tools/serpapi');
 const { Calculator } = require('@langchain/community/tools/calculator');
-const { createCodeExecutionTool, EnvVar } = require('@librechat/agents');
+const { EnvVar, createCodeExecutionTool, createSearchTool } = require('@librechat/agents');
+const {
+  Tools,
+  Constants,
+  EToolResources,
+  loadWebSearchAuth,
+  replaceSpecialVars,
+} = require('librechat-data-provider');
 const { getUserPluginAuthValue } = require('~/server/services/PluginService');
 const {
   availableTools,
@@ -18,12 +24,12 @@ const {
   StructuredWolfram,
   createYouTubeTools,
   TavilySearchResults,
+  createOpenAIImageTools,
 } = require('../');
 const { primeFiles: primeCodeFiles } = require('~/server/services/Files/Code/process');
 const { createFileSearchTool, primeFiles: primeSearchFiles } = require('./fileSearch');
 const { loadAuthValues } = require('~/server/services/Tools/credentials');
 const { createMCPTool } = require('~/server/services/MCP');
-const { loadSpecs } = require('./loadSpecs');
 const { logger } = require('~/config');
 
 const mcpToolPattern = new RegExp(`^.+${Constants.mcp_delimiter}.+$`);
@@ -123,7 +129,7 @@ const getAuthFields = (toolKey) => {
  *
  * @param {object} object
  * @param {string} object.user
- * @param {Agent} [object.agent]
+ * @param {Pick<Agent, 'id' | 'provider' | 'model'>} [object.agent]
  * @param {string} [object.model]
  * @param {EModelEndpoint} [object.endpoint]
  * @param {LoadToolOptions} [object.options]
@@ -138,7 +144,6 @@ const loadTools = async ({
   agent,
   model,
   endpoint,
-  useSpecs,
   tools = [],
   options = {},
   functions = true,
@@ -157,7 +162,7 @@ const loadTools = async ({
   };
 
   const customConstructors = {
-    serpapi: async () => {
+    serpapi: async (_toolContextMap) => {
       const authFields = getAuthFields('serpapi');
       let envVar = authFields[0] ?? '';
       let apiKey = process.env[envVar];
@@ -170,11 +175,40 @@ const loadTools = async ({
         gl: 'us',
       });
     },
-    youtube: async () => {
+    youtube: async (_toolContextMap) => {
       const authFields = getAuthFields('youtube');
       const authValues = await loadAuthValues({ userId: user, authFields });
       return createYouTubeTools(authValues);
     },
+    image_gen_oai: async (toolContextMap) => {
+      const authFields = getAuthFields('image_gen_oai');
+      const authValues = await loadAuthValues({ userId: user, authFields });
+      const imageFiles = options.tool_resources?.[EToolResources.image_edit]?.files ?? [];
+      let toolContext = '';
+      for (let i = 0; i < imageFiles.length; i++) {
+        const file = imageFiles[i];
+        if (!file) {
+          continue;
+        }
+        if (i === 0) {
+          toolContext =
+            'Image files provided in this request (their image IDs listed in order of appearance) available for image editing:';
+        }
+        toolContext += `\n\t- ${file.file_id}`;
+        if (i === imageFiles.length - 1) {
+          toolContext += `\n\nInclude any you need in the \`image_ids\` array when calling \`${EToolResources.image_edit}_oai\`. You may also include previously referenced or generated image IDs.`;
+        }
+      }
+      if (toolContext) {
+        toolContextMap.image_edit_oai = toolContext;
+      }
+      return createOpenAIImageTools({
+        ...authValues,
+        isAgent: !!agent,
+        req: options.req,
+        imageFiles,
+      });
+    },
   };
 
   const requestedTools = {};
@@ -200,8 +234,8 @@ const loadTools = async ({
     serpapi: { location: 'Austin,Texas,United States', hl: 'en', gl: 'us' },
   };
 
+  /** @type {Record<string, string>} */
   const toolContextMap = {};
-  const remainingTools = [];
   const appTools = options.req?.app?.locals?.availableTools ?? {};
 
   for (const tool of tools) {
@@ -234,6 +268,33 @@ const loadTools = async ({
         return createFileSearchTool({ req: options.req, files, entity_id: agent?.id });
       };
       continue;
+    } else if (tool === Tools.web_search) {
+      const webSearchConfig = options?.req?.app?.locals?.webSearch;
+      const result = await loadWebSearchAuth({
+        userId: user,
+        loadAuthValues,
+        webSearchConfig,
+      });
+      const { onSearchResults, onGetHighlights } = options?.[Tools.web_search] ?? {};
+      requestedTools[tool] = async () => {
+        toolContextMap[tool] = `# \`${tool}\`:
+Current Date & Time: ${replaceSpecialVars({ text: '{{iso_datetime}}' })}
+1. **Execute immediately without preface** when using \`${tool}\`.
+2. **After the search, begin with a brief summary** that directly addresses the query without headers or explaining your process.
+3. **Structure your response clearly** using Markdown formatting (Level 2 headers for sections, lists for multiple points, tables for comparisons).
+4. **Cite sources properly** according to the citation anchor format, utilizing group anchors when appropriate.
+5. **Tailor your approach to the query type** (academic, news, coding, etc.) while maintaining an expert, journalistic, unbiased tone.
+6. **Provide comprehensive information** with specific details, examples, and as much relevant context as possible from search results.
+7. **Avoid moralizing language.**
+`.trim();
+        return createSearchTool({
+          ...result.authResult,
+          onSearchResults,
+          onGetHighlights,
+          logger,
+        });
+      };
+      continue;
     } else if (tool && appTools[tool] && mcpToolPattern.test(tool)) {
       requestedTools[tool] = async () =>
         createMCPTool({
@@ -246,7 +307,7 @@ const loadTools = async ({
     }
 
     if (customConstructors[tool]) {
-      requestedTools[tool] = customConstructors[tool];
+      requestedTools[tool] = async () => customConstructors[tool](toolContextMap);
       continue;
     }
 
@@ -261,30 +322,6 @@ const loadTools = async ({
       requestedTools[tool] = toolInstance;
       continue;
     }
-
-    if (functions === true) {
-      remainingTools.push(tool);
-    }
-  }
-
-  let specs = null;
-  if (useSpecs === true && functions === true && remainingTools.length > 0) {
-    specs = await loadSpecs({
-      llm: model,
-      user,
-      message: options.message,
-      memory: options.memory,
-      signal: options.signal,
-      tools: remainingTools,
-      map: true,
-      verbose: false,
-    });
-  }
-
-  for (const tool of remainingTools) {
-    if (specs && specs[tool]) {
-      requestedTools[tool] = specs[tool];
-    }
   }
 
   if (returnMap) {

api/app/clients/tools/util/handleTools.test.js

@@ -218,7 +218,6 @@ describe('Tool Handlers', () => {
       try {
         await loadTool2();
       } catch (error) {
-        // eslint-disable-next-line jest/no-conditional-expect
         expect(error).toBeDefined();
       }
     });

api/app/clients/tools/util/loadSpecs.js

@@ -1,117 +0,0 @@
-const fs = require('fs');
-const path = require('path');
-const { z } = require('zod');
-const { logger } = require('~/config');
-const { createOpenAPIPlugin } = require('~/app/clients/tools/dynamic/OpenAPIPlugin');
-
-// The minimum Manifest definition
-const ManifestDefinition = z.object({
-  schema_version: z.string().optional(),
-  name_for_human: z.string(),
-  name_for_model: z.string(),
-  description_for_human: z.string(),
-  description_for_model: z.string(),
-  auth: z.object({}).optional(),
-  api: z.object({
-    // Spec URL or can be the filename of the OpenAPI spec yaml file,
-    // located in api\app\clients\tools\.well-known\openapi
-    url: z.string(),
-    type: z.string().optional(),
-    is_user_authenticated: z.boolean().nullable().optional(),
-    has_user_authentication: z.boolean().nullable().optional(),
-  }),
-  // use to override any params that the LLM will consistently get wrong
-  params: z.object({}).optional(),
-  logo_url: z.string().optional(),
-  contact_email: z.string().optional(),
-  legal_info_url: z.string().optional(),
-});
-
-function validateJson(json) {
-  try {
-    return ManifestDefinition.parse(json);
-  } catch (error) {
-    logger.debug('[validateJson] manifest parsing error', error);
-    return false;
-  }
-}
-
-// omit the LLM to return the well known jsons as objects
-async function loadSpecs({ llm, user, message, tools = [], map = false, memory, signal }) {
-  const directoryPath = path.join(__dirname, '..', '.well-known');
-  let files = [];
-
-  for (let i = 0; i < tools.length; i++) {
-    const filePath = path.join(directoryPath, tools[i] + '.json');
-
-    try {
-      // If the access Promise is resolved, it means that the file exists
-      // Then we can add it to the files array
-      await fs.promises.access(filePath, fs.constants.F_OK);
-      files.push(tools[i] + '.json');
-    } catch (err) {
-      logger.error(`[loadSpecs] File ${tools[i] + '.json'} does not exist`, err);
-    }
-  }
-
-  if (files.length === 0) {
-    files = (await fs.promises.readdir(directoryPath)).filter(
-      (file) => path.extname(file) === '.json',
-    );
-  }
-
-  const validJsons = [];
-  const constructorMap = {};
-
-  logger.debug('[validateJson] files', files);
-
-  for (const file of files) {
-    if (path.extname(file) === '.json') {
-      const filePath = path.join(directoryPath, file);
-      const fileContent = await fs.promises.readFile(filePath, 'utf8');
-      const json = JSON.parse(fileContent);
-
-      if (!validateJson(json)) {
-        logger.debug('[validateJson] Invalid json', json);
-        continue;
-      }
-
-      if (llm && map) {
-        constructorMap[json.name_for_model] = async () =>
-          await createOpenAPIPlugin({
-            data: json,
-            llm,
-            message,
-            memory,
-            signal,
-            user,
-          });
-        continue;
-      }
-
-      if (llm) {
-        validJsons.push(createOpenAPIPlugin({ data: json, llm }));
-        continue;
-      }
-
-      validJsons.push(json);
-    }
-  }
-
-  if (map) {
-    return constructorMap;
-  }
-
-  const plugins = (await Promise.all(validJsons)).filter((plugin) => plugin);
-
-  //   logger.debug('[validateJson] plugins', plugins);
-  //   logger.debug(plugins[0].name);
-
-  return plugins;
-}
-
-module.exports = {
-  loadSpecs,
-  validateJson,
-  ManifestDefinition,
-};

api/app/clients/tools/util/loadSpecs.spec.js

@@ -1,101 +0,0 @@
-const fs = require('fs');
-const { validateJson, loadSpecs, ManifestDefinition } = require('./loadSpecs');
-const { createOpenAPIPlugin } = require('../dynamic/OpenAPIPlugin');
-
-jest.mock('../dynamic/OpenAPIPlugin');
-
-describe('ManifestDefinition', () => {
-  it('should validate correct json', () => {
-    const json = {
-      name_for_human: 'Test',
-      name_for_model: 'Test',
-      description_for_human: 'Test',
-      description_for_model: 'Test',
-      api: {
-        url: 'http://test.com',
-      },
-    };
-
-    expect(() => ManifestDefinition.parse(json)).not.toThrow();
-  });
-
-  it('should not validate incorrect json', () => {
-    const json = {
-      name_for_human: 'Test',
-      name_for_model: 'Test',
-      description_for_human: 'Test',
-      description_for_model: 'Test',
-      api: {
-        url: 123, // incorrect type
-      },
-    };
-
-    expect(() => ManifestDefinition.parse(json)).toThrow();
-  });
-});
-
-describe('validateJson', () => {
-  it('should return parsed json if valid', () => {
-    const json = {
-      name_for_human: 'Test',
-      name_for_model: 'Test',
-      description_for_human: 'Test',
-      description_for_model: 'Test',
-      api: {
-        url: 'http://test.com',
-      },
-    };
-
-    expect(validateJson(json)).toEqual(json);
-  });
-
-  it('should return false if json is not valid', () => {
-    const json = {
-      name_for_human: 'Test',
-      name_for_model: 'Test',
-      description_for_human: 'Test',
-      description_for_model: 'Test',
-      api: {
-        url: 123, // incorrect type
-      },
-    };
-
-    expect(validateJson(json)).toEqual(false);
-  });
-});
-
-describe('loadSpecs', () => {
-  beforeEach(() => {
-    jest.spyOn(fs.promises, 'readdir').mockResolvedValue(['test.json']);
-    jest.spyOn(fs.promises, 'readFile').mockResolvedValue(
-      JSON.stringify({
-        name_for_human: 'Test',
-        name_for_model: 'Test',
-        description_for_human: 'Test',
-        description_for_model: 'Test',
-        api: {
-          url: 'http://test.com',
-        },
-      }),
-    );
-    createOpenAPIPlugin.mockResolvedValue({});
-  });
-
-  afterEach(() => {
-    jest.restoreAllMocks();
-  });
-
-  it('should return plugins', async () => {
-    const plugins = await loadSpecs({ llm: true, verbose: false });
-
-    expect(plugins).toHaveLength(1);
-    expect(createOpenAPIPlugin).toHaveBeenCalledTimes(1);
-  });
-
-  it('should return constructorMap if map is true', async () => {
-    const plugins = await loadSpecs({ llm: {}, map: true, verbose: false });
-
-    expect(plugins).toHaveProperty('Test');
-    expect(createOpenAPIPlugin).not.toHaveBeenCalled();
-  });
-});

api/cache/clearPendingReq.js

@@ -1,7 +1,8 @@
+const { Time, CacheKeys } = require('librechat-data-provider');
+const { isEnabled } = require('~/server/utils');
 const getLogStores = require('./getLogStores');
-const { isEnabled } = require('../server/utils');
+
 const { USE_REDIS, LIMIT_CONCURRENT_MESSAGES } = process.env ?? {};
-const ttl = 1000 * 60 * 1;
 
 /**
  * Clear or decrement pending requests from the cache.
@@ -28,7 +29,7 @@ const clearPendingReq = async ({ userId, cache: _cache }) => {
     return;
   }
 
-  const namespace = 'pending_req';
+  const namespace = CacheKeys.PENDING_REQ;
   const cache = _cache ?? getLogStores(namespace);
 
   if (!cache) {
@@ -39,7 +40,7 @@ const clearPendingReq = async ({ userId, cache: _cache }) => {
   const currentReq = +((await cache.get(key)) ?? 0);
 
   if (currentReq && currentReq >= 1) {
-    await cache.set(key, currentReq - 1, ttl);
+    await cache.set(key, currentReq - 1, Time.ONE_MINUTE);
   } else {
     await cache.delete(key);
   }

api/cache/getLogStores.js

@@ -1,4 +1,4 @@
-const Keyv = require('keyv');
+const { Keyv } = require('keyv');
 const { CacheKeys, ViolationTypes, Time } = require('librechat-data-provider');
 const { logFile, violationFile } = require('./keyvFiles');
 const { math, isEnabled } = require('~/server/utils');
@@ -19,7 +19,7 @@ const createViolationInstance = (namespace) => {
 // Serve cache from memory so no need to clear it on startup/exit
 const pending_req = isRedisEnabled
   ? new Keyv({ store: keyvRedis })
-  : new Keyv({ namespace: 'pending_req' });
+  : new Keyv({ namespace: CacheKeys.PENDING_REQ });
 
 const config = isRedisEnabled
   ? new Keyv({ store: keyvRedis })
@@ -49,6 +49,10 @@ const genTitle = isRedisEnabled
   ? new Keyv({ store: keyvRedis, ttl: Time.TWO_MINUTES })
   : new Keyv({ namespace: CacheKeys.GEN_TITLE, ttl: Time.TWO_MINUTES });
 
+const s3ExpiryInterval = isRedisEnabled
+  ? new Keyv({ store: keyvRedis, ttl: Time.THIRTY_MINUTES })
+  : new Keyv({ namespace: CacheKeys.S3_EXPIRY_INTERVAL, ttl: Time.THIRTY_MINUTES });
+
 const modelQueries = isEnabled(process.env.USE_REDIS)
   ? new Keyv({ store: keyvRedis })
   : new Keyv({ namespace: CacheKeys.MODEL_QUERIES });
@@ -57,10 +61,14 @@ const abortKeys = isRedisEnabled
   ? new Keyv({ store: keyvRedis })
   : new Keyv({ namespace: CacheKeys.ABORT_KEYS, ttl: Time.TEN_MINUTES });
 
+const openIdExchangedTokensCache = isRedisEnabled
+  ? new Keyv({ store: keyvRedis, ttl: Time.TEN_MINUTES })
+  : new Keyv({ namespace: CacheKeys.OPENID_EXCHANGED_TOKENS, ttl: Time.TEN_MINUTES });
+
 const namespaces = {
   [CacheKeys.ROLES]: roles,
   [CacheKeys.CONFIG_STORE]: config,
-  pending_req,
+  [CacheKeys.PENDING_REQ]: pending_req,
   [ViolationTypes.BAN]: new Keyv({ store: keyvMongo, namespace: CacheKeys.BANS, ttl: duration }),
   [CacheKeys.ENCODED_DOMAINS]: new Keyv({
     store: keyvMongo,
@@ -89,10 +97,12 @@ const namespaces = {
   [CacheKeys.ABORT_KEYS]: abortKeys,
   [CacheKeys.TOKEN_CONFIG]: tokenConfig,
   [CacheKeys.GEN_TITLE]: genTitle,
+  [CacheKeys.S3_EXPIRY_INTERVAL]: s3ExpiryInterval,
   [CacheKeys.MODEL_QUERIES]: modelQueries,
   [CacheKeys.AUDIO_RUNS]: audioRuns,
   [CacheKeys.MESSAGES]: messages,
   [CacheKeys.FLOWS]: flows,
+  [CacheKeys.OPENID_EXCHANGED_TOKENS]: openIdExchangedTokensCache,
 };
 
 /**

api/cache/ioredisClient.js

@@ -0,0 +1,92 @@
+const fs = require('fs');
+const Redis = require('ioredis');
+const { isEnabled } = require('~/server/utils');
+const logger = require('~/config/winston');
+
+const { REDIS_URI, USE_REDIS, USE_REDIS_CLUSTER, REDIS_CA, REDIS_MAX_LISTENERS } = process.env;
+
+/** @type {import('ioredis').Redis | import('ioredis').Cluster} */
+let ioredisClient;
+const redis_max_listeners = Number(REDIS_MAX_LISTENERS) || 40;
+
+function mapURI(uri) {
+  const regex =
+    /^(?:(?<scheme>\w+):\/\/)?(?:(?<user>[^:@]+)(?::(?<password>[^@]+))?@)?(?<host>[\w.-]+)(?::(?<port>\d{1,5}))?$/;
+  const match = uri.match(regex);
+
+  if (match) {
+    const { scheme, user, password, host, port } = match.groups;
+
+    return {
+      scheme: scheme || 'none',
+      user: user || null,
+      password: password || null,
+      host: host || null,
+      port: port || null,
+    };
+  } else {
+    const parts = uri.split(':');
+    if (parts.length === 2) {
+      return {
+        scheme: 'none',
+        user: null,
+        password: null,
+        host: parts[0],
+        port: parts[1],
+      };
+    }
+
+    return {
+      scheme: 'none',
+      user: null,
+      password: null,
+      host: uri,
+      port: null,
+    };
+  }
+}
+
+if (REDIS_URI && isEnabled(USE_REDIS)) {
+  let redisOptions = null;
+
+  if (REDIS_CA) {
+    const ca = fs.readFileSync(REDIS_CA);
+    redisOptions = { tls: { ca } };
+  }
+
+  if (isEnabled(USE_REDIS_CLUSTER)) {
+    const hosts = REDIS_URI.split(',').map((item) => {
+      var value = mapURI(item);
+
+      return {
+        host: value.host,
+        port: value.port,
+      };
+    });
+    ioredisClient = new Redis.Cluster(hosts, { redisOptions });
+  } else {
+    ioredisClient = new Redis(REDIS_URI, redisOptions);
+  }
+
+  ioredisClient.on('ready', () => {
+    logger.info('IoRedis connection ready');
+  });
+  ioredisClient.on('reconnecting', () => {
+    logger.info('IoRedis connection reconnecting');
+  });
+  ioredisClient.on('end', () => {
+    logger.info('IoRedis connection ended');
+  });
+  ioredisClient.on('close', () => {
+    logger.info('IoRedis connection closed');
+  });
+  ioredisClient.on('error', (err) => logger.error('IoRedis connection error:', err));
+  ioredisClient.setMaxListeners(redis_max_listeners);
+  logger.info(
+    '[Optional] IoRedis initialized for rate limiters. If you have issues, disable Redis or restart the server.',
+  );
+} else {
+  logger.info('[Optional] IoRedis not initialized for rate limiters.');
+}
+
+module.exports = ioredisClient;

api/cache/keyvFiles.js

@@ -1,11 +1,9 @@
 const { KeyvFile } = require('keyv-file');
 
-const logFile = new KeyvFile({ filename: './data/logs.json' });
-const pendingReqFile = new KeyvFile({ filename: './data/pendingReqCache.json' });
-const violationFile = new KeyvFile({ filename: './data/violations.json' });
+const logFile = new KeyvFile({ filename: './data/logs.json' }).setMaxListeners(20);
+const violationFile = new KeyvFile({ filename: './data/violations.json' }).setMaxListeners(20);
 
 module.exports = {
   logFile,
-  pendingReqFile,
   violationFile,
 };

api/cache/keyvMongo.js

@@ -1,9 +1,272 @@
-const KeyvMongo = require('@keyv/mongo');
+// api/cache/keyvMongo.js
+const mongoose = require('mongoose');
+const EventEmitter = require('events');
+const { GridFSBucket } = require('mongodb');
 const { logger } = require('~/config');
 
-const { MONGO_URI } = process.env ?? {};
+const storeMap = new Map();
+
+class KeyvMongoCustom extends EventEmitter {
+  constructor(url, options = {}) {
+    super();
+
+    url = url || {};
+    if (typeof url === 'string') {
+      url = { url };
+    }
+    if (url.uri) {
+      url = { url: url.uri, ...url };
+    }
+
+    this.opts = {
+      url: 'mongodb://127.0.0.1:27017',
+      collection: 'keyv',
+      ...url,
+      ...options,
+    };
+
+    this.ttlSupport = false;
+
+    // Filter valid options
+    const keyvMongoKeys = new Set([
+      'url',
+      'collection',
+      'namespace',
+      'serialize',
+      'deserialize',
+      'uri',
+      'useGridFS',
+      'dialect',
+    ]);
+    this.opts = Object.fromEntries(Object.entries(this.opts).filter(([k]) => keyvMongoKeys.has(k)));
+  }
+
+  // Helper to access the store WITHOUT storing a promise on the instance
+  _getClient() {
+    const storeKey = `${this.opts.collection}:${this.opts.useGridFS ? 'gridfs' : 'collection'}`;
+
+    // If we already have the store initialized, return it directly
+    if (storeMap.has(storeKey)) {
+      return Promise.resolve(storeMap.get(storeKey));
+    }
+
+    // Check mongoose connection state
+    if (mongoose.connection.readyState !== 1) {
+      return Promise.reject(
+        new Error('Mongoose connection not ready. Ensure connectDb() is called first.'),
+      );
+    }
+
+    try {
+      const db = mongoose.connection.db;
+      let client;
+
+      if (this.opts.useGridFS) {
+        const bucket = new GridFSBucket(db, {
+          readPreference: this.opts.readPreference,
+          bucketName: this.opts.collection,
+        });
+        const store = db.collection(`${this.opts.collection}.files`);
+        client = { bucket, store, db };
+      } else {
+        const collection = this.opts.collection || 'keyv';
+        const store = db.collection(collection);
+        client = { store, db };
+      }
+
+      storeMap.set(storeKey, client);
+      return Promise.resolve(client);
+    } catch (error) {
+      this.emit('error', error);
+      return Promise.reject(error);
+    }
+  }
+
+  async get(key) {
+    const client = await this._getClient();
+
+    if (this.opts.useGridFS) {
+      await client.store.updateOne(
+        {
+          filename: key,
+        },
+        {
+          $set: {
+            'metadata.lastAccessed': new Date(),
+          },
+        },
+      );
+
+      const stream = client.bucket.openDownloadStreamByName(key);
+
+      return new Promise((resolve) => {
+        const resp = [];
+        stream.on('error', () => {
+          resolve(undefined);
+        });
+
+        stream.on('end', () => {
+          const data = Buffer.concat(resp).toString('utf8');
+          resolve(data);
+        });
+
+        stream.on('data', (chunk) => {
+          resp.push(chunk);
+        });
+      });
+    }
+
+    const document = await client.store.findOne({ key: { $eq: key } });
+
+    if (!document) {
+      return undefined;
+    }
+
+    return document.value;
+  }
+
+  async getMany(keys) {
+    const client = await this._getClient();
+
+    if (this.opts.useGridFS) {
+      const promises = [];
+      for (const key of keys) {
+        promises.push(this.get(key));
+      }
+
+      const values = await Promise.allSettled(promises);
+      const data = [];
+      for (const value of values) {
+        data.push(value.value);
+      }
+
+      return data;
+    }
+
+    const values = await client.store
+      .find({ key: { $in: keys } })
+      .project({ _id: 0, value: 1, key: 1 })
+      .toArray();
+
+    const results = [...keys];
+    let i = 0;
+    for (const key of keys) {
+      const rowIndex = values.findIndex((row) => row.key === key);
+      results[i] = rowIndex > -1 ? values[rowIndex].value : undefined;
+      i++;
+    }
+
+    return results;
+  }
+
+  async set(key, value, ttl) {
+    const client = await this._getClient();
+    const expiresAt = typeof ttl === 'number' ? new Date(Date.now() + ttl) : null;
+
+    if (this.opts.useGridFS) {
+      const stream = client.bucket.openUploadStream(key, {
+        metadata: {
+          expiresAt,
+          lastAccessed: new Date(),
+        },
+      });
+
+      return new Promise((resolve) => {
+        stream.on('finish', () => {
+          resolve(stream);
+        });
+        stream.end(value);
+      });
+    }
+
+    await client.store.updateOne(
+      { key: { $eq: key } },
+      { $set: { key, value, expiresAt } },
+      { upsert: true },
+    );
+  }
+
+  async delete(key) {
+    if (typeof key !== 'string') {
+      return false;
+    }
+
+    const client = await this._getClient();
+
+    if (this.opts.useGridFS) {
+      try {
+        const bucket = new GridFSBucket(client.db, {
+          bucketName: this.opts.collection,
+        });
+        const files = await bucket.find({ filename: key }).toArray();
+        await client.bucket.delete(files[0]._id);
+        return true;
+      } catch {
+        return false;
+      }
+    }
+
+    const object = await client.store.deleteOne({ key: { $eq: key } });
+    return object.deletedCount > 0;
+  }
+
+  async deleteMany(keys) {
+    const client = await this._getClient();
+
+    if (this.opts.useGridFS) {
+      const bucket = new GridFSBucket(client.db, {
+        bucketName: this.opts.collection,
+      });
+      const files = await bucket.find({ filename: { $in: keys } }).toArray();
+      if (files.length === 0) {
+        return false;
+      }
+
+      await Promise.all(files.map(async (file) => client.bucket.delete(file._id)));
+      return true;
+    }
+
+    const object = await client.store.deleteMany({ key: { $in: keys } });
+    return object.deletedCount > 0;
+  }
+
+  async clear() {
+    const client = await this._getClient();
+
+    if (this.opts.useGridFS) {
+      try {
+        await client.bucket.drop();
+      } catch (error) {
+        // Throw error if not "namespace not found" error
+        if (!(error.code === 26)) {
+          throw error;
+        }
+      }
+    }
+
+    await client.store.deleteMany({
+      key: { $regex: this.namespace ? `^${this.namespace}:*` : '' },
+    });
+  }
+
+  async has(key) {
+    const client = await this._getClient();
+    const filter = { [this.opts.useGridFS ? 'filename' : 'key']: { $eq: key } };
+    const document = await client.store.countDocuments(filter, { limit: 1 });
+    return document !== 0;
+  }
+
+  // No-op disconnect
+  async disconnect() {
+    // This is a no-op since we don't want to close the shared mongoose connection
+    return true;
+  }
+}
+
+const keyvMongo = new KeyvMongoCustom({
+  collection: 'logs',
+});
 
-const keyvMongo = new KeyvMongo(MONGO_URI, { collection: 'logs' });
 keyvMongo.on('error', (err) => logger.error('KeyvMongo connection error:', err));
 
 module.exports = keyvMongo;

api/cache/keyvRedis.js

@@ -1,6 +1,6 @@
 const fs = require('fs');
 const ioredis = require('ioredis');
-const KeyvRedis = require('@keyv/redis');
+const KeyvRedis = require('@keyv/redis').default;
 const { isEnabled } = require('~/server/utils');
 const logger = require('~/config/winston');
 
@@ -9,7 +9,7 @@ const { REDIS_URI, USE_REDIS, USE_REDIS_CLUSTER, REDIS_CA, REDIS_KEY_PREFIX, RED
 
 let keyvRedis;
 const redis_prefix = REDIS_KEY_PREFIX || '';
-const redis_max_listeners = Number(REDIS_MAX_LISTENERS) || 10;
+const redis_max_listeners = Number(REDIS_MAX_LISTENERS) || 40;
 
 function mapURI(uri) {
   const regex =
@@ -50,6 +50,7 @@ function mapURI(uri) {
 
 if (REDIS_URI && isEnabled(USE_REDIS)) {
   let redisOptions = null;
+  /** @type {import('@keyv/redis').KeyvRedisOptions} */
   let keyvOpts = {
     useRedisSets: false,
     keyPrefix: redis_prefix,
@@ -74,13 +75,35 @@ if (REDIS_URI && isEnabled(USE_REDIS)) {
   } else {
     keyvRedis = new KeyvRedis(REDIS_URI, keyvOpts);
   }
+
+  const pingInterval = setInterval(
+    () => {
+      logger.debug('KeyvRedis ping');
+      keyvRedis.client.ping().catch((err) => logger.error('Redis keep-alive ping failed:', err));
+    },
+    5 * 60 * 1000,
+  );
+
+  keyvRedis.on('ready', () => {
+    logger.info('KeyvRedis connection ready');
+  });
+  keyvRedis.on('reconnecting', () => {
+    logger.info('KeyvRedis connection reconnecting');
+  });
+  keyvRedis.on('end', () => {
+    logger.info('KeyvRedis connection ended');
+  });
+  keyvRedis.on('close', () => {
+    clearInterval(pingInterval);
+    logger.info('KeyvRedis connection closed');
+  });
   keyvRedis.on('error', (err) => logger.error('KeyvRedis connection error:', err));
   keyvRedis.setMaxListeners(redis_max_listeners);
   logger.info(
-    '[Optional] Redis initialized. Note: Redis support is experimental. If you have issues, disable it. Cache needs to be flushed for values to refresh.',
+    '[Optional] Redis initialized. If you have issues, or seeing older values, disable it or flush cache to refresh values.',
   );
 } else {
-  logger.info('[Optional] Redis not initialized. Note: Redis support is experimental.');
+  logger.info('[Optional] Redis not initialized.');
 }
 
 module.exports = keyvRedis;

api/cache/redis.js

@@ -1,4 +0,0 @@
-const Redis = require('ioredis');
-const { REDIS_URI } = process.env ?? {};
-const redis = new Redis.Cluster(REDIS_URI);
-module.exports = redis;

api/config/index.js

@@ -1,32 +1,35 @@
 const axios = require('axios');
 const { EventSource } = require('eventsource');
 const { Time, CacheKeys } = require('librechat-data-provider');
+const { MCPManager, FlowStateManager } = require('librechat-mcp');
 const logger = require('./winston');
 
 global.EventSource = EventSource;
 
+/** @type {MCPManager} */
 let mcpManager = null;
 let flowManager = null;
 
 /**
- * @returns {Promise<MCPManager>}
+ * @param {string} [userId] - Optional user ID, to avoid disconnecting the current user.
+ * @returns {MCPManager}
  */
-async function getMCPManager() {
+function getMCPManager(userId) {
   if (!mcpManager) {
-    const { MCPManager } = await import('librechat-mcp');
     mcpManager = MCPManager.getInstance(logger);
+  } else {
+    mcpManager.checkIdleConnections(userId);
   }
   return mcpManager;
 }
 
 /**
- * @param {(key: string) => Keyv} getLogStores
- * @returns {Promise<FlowStateManager>}
+ * @param {Keyv} flowsCache
+ * @returns {FlowStateManager}
  */
-async function getFlowStateManager(getLogStores) {
+function getFlowStateManager(flowsCache) {
   if (!flowManager) {
-    const { FlowStateManager } = await import('librechat-mcp');
-    flowManager = new FlowStateManager(getLogStores(CacheKeys.FLOWS), {
+    flowManager = new FlowStateManager(flowsCache, {
       ttl: Time.ONE_MINUTE * 3,
       logger,
     });

api/config/meiliLogger.js

@@ -4,7 +4,11 @@ require('winston-daily-rotate-file');
 
 const logDir = path.join(__dirname, '..', 'logs');
 
-const { NODE_ENV } = process.env;
+const { NODE_ENV, DEBUG_LOGGING = false } = process.env;
+
+const useDebugLogging =
+  (typeof DEBUG_LOGGING === 'string' && DEBUG_LOGGING?.toLowerCase() === 'true') ||
+  DEBUG_LOGGING === true;
 
 const levels = {
   error: 0,
@@ -36,9 +40,10 @@ const fileFormat = winston.format.combine(
   winston.format.splat(),
 );
 
+const logLevel = useDebugLogging ? 'debug' : 'error';
 const transports = [
   new winston.transports.DailyRotateFile({
-    level: 'debug',
+    level: logLevel,
     filename: `${logDir}/meiliSync-%DATE%.log`,
     datePattern: 'YYYY-MM-DD',
     zippedArchive: true,
@@ -48,14 +53,6 @@ const transports = [
   }),
 ];
 
-// if (NODE_ENV !== 'production') {
-//   transports.push(
-//     new winston.transports.Console({
-//       format: winston.format.combine(winston.format.colorize(), winston.format.simple()),
-//     }),
-//   );
-// }
-
 const consoleFormat = winston.format.combine(
   winston.format.colorize({ all: true }),
   winston.format.timestamp({ format: 'YYYY-MM-DD HH:mm:ss' }),

api/config/winston.js

@@ -5,7 +5,7 @@ const { redactFormat, redactMessage, debugTraverse, jsonTruncateFormat } = requi
 
 const logDir = path.join(__dirname, '..', 'logs');
 
-const { NODE_ENV, DEBUG_LOGGING = true, DEBUG_CONSOLE = false, CONSOLE_JSON = false } = process.env;
+const { NODE_ENV, DEBUG_LOGGING = true, CONSOLE_JSON = false, DEBUG_CONSOLE = false } = process.env;
 
 const useConsoleJson =
   (typeof CONSOLE_JSON === 'string' && CONSOLE_JSON?.toLowerCase() === 'true') ||
@@ -15,6 +15,10 @@ const useDebugConsole =
   (typeof DEBUG_CONSOLE === 'string' && DEBUG_CONSOLE?.toLowerCase() === 'true') ||
   DEBUG_CONSOLE === true;
 
+const useDebugLogging =
+  (typeof DEBUG_LOGGING === 'string' && DEBUG_LOGGING?.toLowerCase() === 'true') ||
+  DEBUG_LOGGING === true;
+
 const levels = {
   error: 0,
   warn: 1,
@@ -57,28 +61,9 @@ const transports = [
     maxFiles: '14d',
     format: fileFormat,
   }),
-  // new winston.transports.DailyRotateFile({
-  //   level: 'info',
-  //   filename: `${logDir}/info-%DATE%.log`,
-  //   datePattern: 'YYYY-MM-DD',
-  //   zippedArchive: true,
-  //   maxSize: '20m',
-  //   maxFiles: '14d',
-  // }),
 ];
 
-// if (NODE_ENV !== 'production') {
-//   transports.push(
-//     new winston.transports.Console({
-//       format: winston.format.combine(winston.format.colorize(), winston.format.simple()),
-//     }),
-//   );
-// }
-
-if (
-  (typeof DEBUG_LOGGING === 'string' && DEBUG_LOGGING?.toLowerCase() === 'true') ||
-  DEBUG_LOGGING === true
-) {
+if (useDebugLogging) {
   transports.push(
     new winston.transports.DailyRotateFile({
       level: 'debug',
@@ -107,10 +92,16 @@ const consoleFormat = winston.format.combine(
   }),
 );
 
+// Determine console log level
+let consoleLogLevel = 'info';
+if (useDebugConsole) {
+  consoleLogLevel = 'debug';
+}
+
 if (useDebugConsole) {
   transports.push(
     new winston.transports.Console({
-      level: 'debug',
+      level: consoleLogLevel,
       format: useConsoleJson
         ? winston.format.combine(fileFormat, jsonTruncateFormat(), winston.format.json())
         : winston.format.combine(fileFormat, debugTraverse),
@@ -119,14 +110,14 @@ if (useDebugConsole) {
 } else if (useConsoleJson) {
   transports.push(
     new winston.transports.Console({
-      level: 'info',
+      level: consoleLogLevel,
       format: winston.format.combine(fileFormat, jsonTruncateFormat(), winston.format.json()),
     }),
   );
 } else {
   transports.push(
     new winston.transports.Console({
-      level: 'info',
+      level: consoleLogLevel,
       format: consoleFormat,
     }),
   );

api/jest.config.js

@@ -5,12 +5,14 @@ module.exports = {
   coverageDirectory: 'coverage',
   setupFiles: [
     './test/jestSetup.js',
-    './test/__mocks__/KeyvMongo.js',
     './test/__mocks__/logger.js',
     './test/__mocks__/fetchEventSource.js',
   ],
   moduleNameMapper: {
     '~/(.*)': '<rootDir>/$1',
     '~/data/auth.json': '<rootDir>/__mocks__/auth.mock.json',
+    '^openid-client/passport$': '<rootDir>/test/__mocks__/openid-client-passport.js', // Mock for the passport strategy part
+    '^openid-client$': '<rootDir>/test/__mocks__/openid-client.js',
   },
+  transformIgnorePatterns: ['/node_modules/(?!(openid-client|oauth4webapi|jose)/).*/'],
 };

api/lib/utils/reduceHits.js

@@ -1,59 +0,0 @@
-const mergeSort = require('./mergeSort');
-const { cleanUpPrimaryKeyValue } = require('./misc');
-
-function reduceMessages(hits) {
-  const counts = {};
-
-  for (const hit of hits) {
-    if (!counts[hit.conversationId]) {
-      counts[hit.conversationId] = 1;
-    } else {
-      counts[hit.conversationId]++;
-    }
-  }
-
-  const result = [];
-
-  for (const [conversationId, count] of Object.entries(counts)) {
-    result.push({
-      conversationId,
-      count,
-    });
-  }
-
-  return mergeSort(result, (a, b) => b.count - a.count);
-}
-
-function reduceHits(hits, titles = []) {
-  const counts = {};
-  const titleMap = {};
-  const convos = [...hits, ...titles];
-
-  for (const convo of convos) {
-    const currentId = cleanUpPrimaryKeyValue(convo.conversationId);
-    if (!counts[currentId]) {
-      counts[currentId] = 1;
-    } else {
-      counts[currentId]++;
-    }
-
-    if (convo.title) {
-      // titleMap[currentId] = convo._formatted.title;
-      titleMap[currentId] = convo.title;
-    }
-  }
-
-  const result = [];
-
-  for (const [conversationId, count] of Object.entries(counts)) {
-    result.push({
-      conversationId,
-      count,
-      title: titleMap[conversationId] ? titleMap[conversationId] : null,
-    });
-  }
-
-  return mergeSort(result, (a, b) => b.count - a.count);
-}
-
-module.exports = { reduceMessages, reduceHits };

api/models/Agent.js

@@ -1,6 +1,9 @@
 const mongoose = require('mongoose');
-const { SystemRoles } = require('librechat-data-provider');
-const { GLOBAL_PROJECT_NAME } = require('librechat-data-provider').Constants;
+const crypto = require('node:crypto');
+const { agentSchema } = require('@librechat/data-schemas');
+const { SystemRoles, Tools, actionDelimiter } = require('librechat-data-provider');
+const { GLOBAL_PROJECT_NAME, EPHEMERAL_AGENT_ID, mcp_delimiter } =
+  require('librechat-data-provider').Constants;
 const { CONFIG_STORE, STARTUP_CONFIG } = require('librechat-data-provider').CacheKeys;
 const {
   getProjectByName,
@@ -9,7 +12,8 @@ const {
   removeAgentFromAllProjects,
 } = require('./Project');
 const getLogStores = require('~/cache/getLogStores');
-const { agentSchema } = require('@librechat/data-schemas');
+const { getActions } = require('./Action');
+const { logger } = require('~/config');
 
 const Agent = mongoose.model('agent', agentSchema);
 
@@ -20,7 +24,19 @@ const Agent = mongoose.model('agent', agentSchema);
  * @throws {Error} If the agent creation fails.
  */
 const createAgent = async (agentData) => {
-  return (await Agent.create(agentData)).toObject();
+  const { author, ...versionData } = agentData;
+  const timestamp = new Date();
+  const initialAgentData = {
+    ...agentData,
+    versions: [
+      {
+        ...versionData,
+        createdAt: timestamp,
+        updatedAt: timestamp,
+      },
+    ],
+  };
+  return (await Agent.create(initialAgentData)).toObject();
 };
 
 /**
@@ -39,13 +55,76 @@ const getAgent = async (searchParameter) => await Agent.findOne(searchParameter)
  * @param {Object} params
  * @param {ServerRequest} params.req
  * @param {string} params.agent_id
+ * @param {string} params.endpoint
+ * @param {import('@librechat/agents').ClientOptions} [params.model_parameters]
+ * @returns {Agent|null} The agent document as a plain object, or null if not found.
+ */
+const loadEphemeralAgent = ({ req, agent_id, endpoint, model_parameters: _m }) => {
+  const { model, ...model_parameters } = _m;
+  /** @type {Record<string, FunctionTool>} */
+  const availableTools = req.app.locals.availableTools;
+  /** @type {TEphemeralAgent | null} */
+  const ephemeralAgent = req.body.ephemeralAgent;
+  const mcpServers = new Set(ephemeralAgent?.mcp);
+  /** @type {string[]} */
+  const tools = [];
+  if (ephemeralAgent?.execute_code === true) {
+    tools.push(Tools.execute_code);
+  }
+  if (ephemeralAgent?.web_search === true) {
+    tools.push(Tools.web_search);
+  }
+
+  if (mcpServers.size > 0) {
+    for (const toolName of Object.keys(availableTools)) {
+      if (!toolName.includes(mcp_delimiter)) {
+        continue;
+      }
+      const mcpServer = toolName.split(mcp_delimiter)?.[1];
+      if (mcpServer && mcpServers.has(mcpServer)) {
+        tools.push(toolName);
+      }
+    }
+  }
+
+  const instructions = req.body.promptPrefix;
+  return {
+    id: agent_id,
+    instructions,
+    provider: endpoint,
+    model_parameters,
+    model,
+    tools,
+  };
+};
+
+/**
+ * Load an agent based on the provided ID
+ *
+ * @param {Object} params
+ * @param {ServerRequest} params.req
+ * @param {string} params.agent_id
+ * @param {string} params.endpoint
+ * @param {import('@librechat/agents').ClientOptions} [params.model_parameters]
  * @returns {Promise<Agent|null>} The agent document as a plain object, or null if not found.
  */
-const loadAgent = async ({ req, agent_id }) => {
+const loadAgent = async ({ req, agent_id, endpoint, model_parameters }) => {
+  if (!agent_id) {
+    return null;
+  }
+  if (agent_id === EPHEMERAL_AGENT_ID) {
+    return loadEphemeralAgent({ req, agent_id, endpoint, model_parameters });
+  }
   const agent = await getAgent({
     id: agent_id,
   });
 
+  if (!agent) {
+    return null;
+  }
+
+  agent.version = agent.versions ? agent.versions.length : 0;
+
   if (agent.author.toString() === req.user.id) {
     return agent;
   }
@@ -70,19 +149,207 @@ const loadAgent = async ({ req, agent_id }) => {
   }
 };
 
+/**
+ * Check if a version already exists in the versions array, excluding timestamp and author fields
+ * @param {Object} updateData - The update data to compare
+ * @param {Object} currentData - The current agent data
+ * @param {Array} versions - The existing versions array
+ * @param {string} [actionsHash] - Hash of current action metadata
+ * @returns {Object|null} - The matching version if found, null otherwise
+ */
+const isDuplicateVersion = (updateData, currentData, versions, actionsHash = null) => {
+  if (!versions || versions.length === 0) {
+    return null;
+  }
+
+  const excludeFields = [
+    '_id',
+    'id',
+    'createdAt',
+    'updatedAt',
+    'author',
+    'updatedBy',
+    'created_at',
+    'updated_at',
+    '__v',
+    'agent_ids',
+    'versions',
+    'actionsHash', // Exclude actionsHash from direct comparison
+  ];
+
+  const { $push, $pull, $addToSet, ...directUpdates } = updateData;
+
+  if (Object.keys(directUpdates).length === 0 && !actionsHash) {
+    return null;
+  }
+
+  const wouldBeVersion = { ...currentData, ...directUpdates };
+  const lastVersion = versions[versions.length - 1];
+
+  if (actionsHash && lastVersion.actionsHash !== actionsHash) {
+    return null;
+  }
+
+  const allFields = new Set([...Object.keys(wouldBeVersion), ...Object.keys(lastVersion)]);
+
+  const importantFields = Array.from(allFields).filter((field) => !excludeFields.includes(field));
+
+  let isMatch = true;
+  for (const field of importantFields) {
+    if (!wouldBeVersion[field] && !lastVersion[field]) {
+      continue;
+    }
+
+    if (Array.isArray(wouldBeVersion[field]) && Array.isArray(lastVersion[field])) {
+      if (wouldBeVersion[field].length !== lastVersion[field].length) {
+        isMatch = false;
+        break;
+      }
+
+      // Special handling for projectIds (MongoDB ObjectIds)
+      if (field === 'projectIds') {
+        const wouldBeIds = wouldBeVersion[field].map((id) => id.toString()).sort();
+        const versionIds = lastVersion[field].map((id) => id.toString()).sort();
+
+        if (!wouldBeIds.every((id, i) => id === versionIds[i])) {
+          isMatch = false;
+          break;
+        }
+      }
+      // Handle arrays of objects like tool_kwargs
+      else if (typeof wouldBeVersion[field][0] === 'object' && wouldBeVersion[field][0] !== null) {
+        const sortedWouldBe = [...wouldBeVersion[field]].map((item) => JSON.stringify(item)).sort();
+        const sortedVersion = [...lastVersion[field]].map((item) => JSON.stringify(item)).sort();
+
+        if (!sortedWouldBe.every((item, i) => item === sortedVersion[i])) {
+          isMatch = false;
+          break;
+        }
+      } else {
+        const sortedWouldBe = [...wouldBeVersion[field]].sort();
+        const sortedVersion = [...lastVersion[field]].sort();
+
+        if (!sortedWouldBe.every((item, i) => item === sortedVersion[i])) {
+          isMatch = false;
+          break;
+        }
+      }
+    } else if (field === 'model_parameters') {
+      const wouldBeParams = wouldBeVersion[field] || {};
+      const lastVersionParams = lastVersion[field] || {};
+      if (JSON.stringify(wouldBeParams) !== JSON.stringify(lastVersionParams)) {
+        isMatch = false;
+        break;
+      }
+    } else if (wouldBeVersion[field] !== lastVersion[field]) {
+      isMatch = false;
+      break;
+    }
+  }
+
+  return isMatch ? lastVersion : null;
+};
+
 /**
  * Update an agent with new data without overwriting existing
  *  properties, or create a new agent if it doesn't exist.
+ * When an agent is updated, a copy of the current state will be saved to the versions array.
  *
  * @param {Object} searchParameter - The search parameters to find the agent to update.
  * @param {string} searchParameter.id - The ID of the agent to update.
  * @param {string} [searchParameter.author] - The user ID of the agent's author.
  * @param {Object} updateData - An object containing the properties to update.
+ * @param {Object} [options] - Optional configuration object.
+ * @param {string} [options.updatingUserId] - The ID of the user performing the update (used for tracking non-author updates).
+ * @param {boolean} [options.forceVersion] - Force creation of a new version even if no fields changed.
  * @returns {Promise<Agent>} The updated or newly created agent document as a plain object.
+ * @throws {Error} If the update would create a duplicate version
  */
-const updateAgent = async (searchParameter, updateData) => {
-  const options = { new: true, upsert: false };
-  return Agent.findOneAndUpdate(searchParameter, updateData, options).lean();
+const updateAgent = async (searchParameter, updateData, options = {}) => {
+  const { updatingUserId = null, forceVersion = false } = options;
+  const mongoOptions = { new: true, upsert: false };
+
+  const currentAgent = await Agent.findOne(searchParameter);
+  if (currentAgent) {
+    const { __v, _id, id, versions, author, ...versionData } = currentAgent.toObject();
+    const { $push, $pull, $addToSet, ...directUpdates } = updateData;
+
+    let actionsHash = null;
+
+    // Generate actions hash if agent has actions
+    if (currentAgent.actions && currentAgent.actions.length > 0) {
+      // Extract action IDs from the format "domain_action_id"
+      const actionIds = currentAgent.actions
+        .map((action) => {
+          const parts = action.split(actionDelimiter);
+          return parts[1]; // Get just the action ID part
+        })
+        .filter(Boolean);
+
+      if (actionIds.length > 0) {
+        try {
+          const actions = await getActions(
+            {
+              action_id: { $in: actionIds },
+            },
+            true,
+          ); // Include sensitive data for hash
+
+          actionsHash = await generateActionMetadataHash(currentAgent.actions, actions);
+        } catch (error) {
+          logger.error('Error fetching actions for hash generation:', error);
+        }
+      }
+    }
+
+    const shouldCreateVersion =
+      forceVersion ||
+      (versions &&
+        versions.length > 0 &&
+        (Object.keys(directUpdates).length > 0 || $push || $pull || $addToSet));
+
+    if (shouldCreateVersion) {
+      const duplicateVersion = isDuplicateVersion(updateData, versionData, versions, actionsHash);
+      if (duplicateVersion && !forceVersion) {
+        const error = new Error(
+          'Duplicate version: This would create a version identical to an existing one',
+        );
+        error.statusCode = 409;
+        error.details = {
+          duplicateVersion,
+          versionIndex: versions.findIndex(
+            (v) => JSON.stringify(duplicateVersion) === JSON.stringify(v),
+          ),
+        };
+        throw error;
+      }
+    }
+
+    const versionEntry = {
+      ...versionData,
+      ...directUpdates,
+      updatedAt: new Date(),
+    };
+
+    // Include actions hash in version if available
+    if (actionsHash) {
+      versionEntry.actionsHash = actionsHash;
+    }
+
+    // Always store updatedBy field to track who made the change
+    if (updatingUserId) {
+      versionEntry.updatedBy = new mongoose.Types.ObjectId(updatingUserId);
+    }
+
+    if (shouldCreateVersion || forceVersion) {
+      updateData.$push = {
+        ...($push || {}),
+        versions: versionEntry,
+      };
+    }
+  }
+
+  return Agent.findOneAndUpdate(searchParameter, updateData, mongoOptions).lean();
 };
 
 /**
@@ -94,11 +361,13 @@ const updateAgent = async (searchParameter, updateData) => {
  * @param {string} params.file_id
  * @returns {Promise<Agent>} The updated agent.
  */
-const addAgentResourceFile = async ({ agent_id, tool_resource, file_id }) => {
+const addAgentResourceFile = async ({ req, agent_id, tool_resource, file_id }) => {
   const searchParameter = { id: agent_id };
-
+  let agent = await getAgent(searchParameter);
+  if (!agent) {
+    throw new Error('Agent not found for adding resource file');
+  }
   const fileIdsPath = `tool_resources.${tool_resource}.file_ids`;
-
   await Agent.updateOne(
     {
       id: agent_id,
@@ -111,9 +380,16 @@ const addAgentResourceFile = async ({ agent_id, tool_resource, file_id }) => {
     },
   );
 
-  const updateData = { $addToSet: { [fileIdsPath]: file_id } };
+  const updateData = {
+    $addToSet: {
+      tools: tool_resource,
+      [fileIdsPath]: file_id,
+    },
+  };
 
-  const updatedAgent = await updateAgent(searchParameter, updateData);
+  const updatedAgent = await updateAgent(searchParameter, updateData, {
+    updatingUserId: req?.user?.id,
+  });
   if (updatedAgent) {
     return updatedAgent;
   } else {
@@ -122,16 +398,17 @@ const addAgentResourceFile = async ({ agent_id, tool_resource, file_id }) => {
 };
 
 /**
- * Removes multiple resource files from an agent in a single update.
+ * Removes multiple resource files from an agent using atomic operations.
  * @param {object} params
  * @param {string} params.agent_id
  * @param {Array<{tool_resource: string, file_id: string}>} params.files
  * @returns {Promise<Agent>} The updated agent.
+ * @throws {Error} If the agent is not found or update fails.
  */
 const removeAgentResourceFiles = async ({ agent_id, files }) => {
   const searchParameter = { id: agent_id };
 
-  // associate each tool resource with the respective file ids array
+  // Group files to remove by resource
   const filesByResource = files.reduce((acc, { tool_resource, file_id }) => {
     if (!acc[tool_resource]) {
       acc[tool_resource] = [];
@@ -140,42 +417,35 @@ const removeAgentResourceFiles = async ({ agent_id, files }) => {
     return acc;
   }, {});
 
-  // build the update aggregation pipeline wich removes file ids from tool resources array
-  // and eventually deletes empty tool resources
-  const updateData = [];
-  Object.entries(filesByResource).forEach(([resource, fileIds]) => {
-    const toolResourcePath = `tool_resources.${resource}`;
-    const fileIdsPath = `${toolResourcePath}.file_ids`;
-
-    // file ids removal stage
-    updateData.push({
-      $set: {
-        [fileIdsPath]: {
-          $filter: {
-            input: `$${fileIdsPath}`,
-            cond: { $not: [{ $in: ['$$this', fileIds] }] },
-          },
-        },
-      },
-    });
-
-    // empty tool resource deletion stage
-    updateData.push({
-      $set: {
-        [toolResourcePath]: {
-          $cond: [{ $eq: [`$${fileIdsPath}`, []] }, '$$REMOVE', `$${toolResourcePath}`],
-        },
-      },
-    });
-  });
-
-  // return the updated agent or throw if no agent matches
-  const updatedAgent = await updateAgent(searchParameter, updateData);
-  if (updatedAgent) {
-    return updatedAgent;
-  } else {
-    throw new Error('Agent not found for removing resource files');
+  // Step 1: Atomically remove file IDs using $pull
+  const pullOps = {};
+  const resourcesToCheck = new Set();
+  for (const [resource, fileIds] of Object.entries(filesByResource)) {
+    const fileIdsPath = `tool_resources.${resource}.file_ids`;
+    pullOps[fileIdsPath] = { $in: fileIds };
+    resourcesToCheck.add(resource);
   }
+
+  const updatePullData = { $pull: pullOps };
+  const agentAfterPull = await Agent.findOneAndUpdate(searchParameter, updatePullData, {
+    new: true,
+  }).lean();
+
+  if (!agentAfterPull) {
+    // Agent might have been deleted concurrently, or never existed.
+    // Check if it existed before trying to throw.
+    const agentExists = await getAgent(searchParameter);
+    if (!agentExists) {
+      throw new Error('Agent not found for removing resource files');
+    }
+    // If it existed but findOneAndUpdate returned null, something else went wrong.
+    throw new Error('Failed to update agent during file removal (pull step)');
+  }
+
+  // Return the agent state directly after the $pull operation.
+  // Skipping the $unset step for now to simplify and test core $pull atomicity.
+  // Empty arrays might remain, but the removal itself should be correct.
+  return agentAfterPull;
 };
 
 /**
@@ -250,7 +520,7 @@ const getListAgents = async (searchParameter) => {
  * This function also updates the corresponding projects to include or exclude the agent ID.
  *
  * @param {Object} params - Parameters for updating the agent's projects.
- * @param {import('librechat-data-provider').TUser} params.user - Parameters for updating the agent's projects.
+ * @param {MongoUser} params.user - Parameters for updating the agent's projects.
  * @param {string} params.agentId - The ID of the agent to update.
  * @param {string[]} [params.projectIds] - Array of project IDs to add to the agent.
  * @param {string[]} [params.removeProjectIds] - Array of project IDs to remove from the agent.
@@ -283,7 +553,7 @@ const updateAgentProjects = async ({ user, agentId, projectIds, removeProjectIds
     delete updateQuery.author;
   }
 
-  const updatedAgent = await updateAgent(updateQuery, updateOps);
+  const updatedAgent = await updateAgent(updateQuery, updateOps, { updatingUserId: user.id });
   if (updatedAgent) {
     return updatedAgent;
   }
@@ -300,6 +570,97 @@ const updateAgentProjects = async ({ user, agentId, projectIds, removeProjectIds
   return await getAgent({ id: agentId });
 };
 
+/**
+ * Reverts an agent to a specific version in its version history.
+ * @param {Object} searchParameter - The search parameters to find the agent to revert.
+ * @param {string} searchParameter.id - The ID of the agent to revert.
+ * @param {string} [searchParameter.author] - The user ID of the agent's author.
+ * @param {number} versionIndex - The index of the version to revert to in the versions array.
+ * @returns {Promise<MongoAgent>} The updated agent document after reverting.
+ * @throws {Error} If the agent is not found or the specified version does not exist.
+ */
+const revertAgentVersion = async (searchParameter, versionIndex) => {
+  const agent = await Agent.findOne(searchParameter);
+  if (!agent) {
+    throw new Error('Agent not found');
+  }
+
+  if (!agent.versions || !agent.versions[versionIndex]) {
+    throw new Error(`Version ${versionIndex} not found`);
+  }
+
+  const revertToVersion = agent.versions[versionIndex];
+
+  const updateData = {
+    ...revertToVersion,
+  };
+
+  delete updateData._id;
+  delete updateData.id;
+  delete updateData.versions;
+  delete updateData.author;
+  delete updateData.updatedBy;
+
+  return Agent.findOneAndUpdate(searchParameter, updateData, { new: true }).lean();
+};
+
+/**
+ * Generates a hash of action metadata for version comparison
+ * @param {string[]} actionIds - Array of action IDs in format "domain_action_id"
+ * @param {Action[]} actions - Array of action documents
+ * @returns {Promise<string>} - SHA256 hash of the action metadata
+ */
+const generateActionMetadataHash = async (actionIds, actions) => {
+  if (!actionIds || actionIds.length === 0) {
+    return '';
+  }
+
+  // Create a map of action_id to metadata for quick lookup
+  const actionMap = new Map();
+  actions.forEach((action) => {
+    actionMap.set(action.action_id, action.metadata);
+  });
+
+  // Sort action IDs for consistent hashing
+  const sortedActionIds = [...actionIds].sort();
+
+  // Build a deterministic string representation of all action metadata
+  const metadataString = sortedActionIds
+    .map((actionFullId) => {
+      // Extract just the action_id part (after the delimiter)
+      const parts = actionFullId.split(actionDelimiter);
+      const actionId = parts[1];
+
+      const metadata = actionMap.get(actionId);
+      if (!metadata) {
+        return `${actionId}:null`;
+      }
+
+      // Sort metadata keys for deterministic output
+      const sortedKeys = Object.keys(metadata).sort();
+      const metadataStr = sortedKeys
+        .map((key) => `${key}:${JSON.stringify(metadata[key])}`)
+        .join(',');
+      return `${actionId}:{${metadataStr}}`;
+    })
+    .join(';');
+
+  // Use Web Crypto API to generate hash
+  const encoder = new TextEncoder();
+  const data = encoder.encode(metadataString);
+  const hashBuffer = await crypto.webcrypto.subtle.digest('SHA-256', data);
+  const hashArray = Array.from(new Uint8Array(hashBuffer));
+  const hashHex = hashArray.map((b) => b.toString(16).padStart(2, '0')).join('');
+
+  return hashHex;
+};
+
+/**
+ * Load a default agent based on the endpoint
+ * @param {string} endpoint
+ * @returns {Agent | null}
+ */
+
 module.exports = {
   Agent,
   getAgent,
@@ -308,7 +669,9 @@ module.exports = {
   updateAgent,
   deleteAgent,
   getListAgents,
+  revertAgentVersion,
   updateAgentProjects,
   addAgentResourceFile,
   removeAgentResourceFiles,
+  generateActionMetadataHash,
 };

api/models/Agent.spec.js

@@ -1,7 +1,25 @@
+const originalEnv = {
+  CREDS_KEY: process.env.CREDS_KEY,
+  CREDS_IV: process.env.CREDS_IV,
+};
+
+process.env.CREDS_KEY = '0123456789abcdef0123456789abcdef';
+process.env.CREDS_IV = '0123456789abcdef';
+
 const mongoose = require('mongoose');
 const { v4: uuidv4 } = require('uuid');
 const { MongoMemoryServer } = require('mongodb-memory-server');
-const { Agent, addAgentResourceFile, removeAgentResourceFiles } = require('./Agent');
+const {
+  Agent,
+  addAgentResourceFile,
+  removeAgentResourceFiles,
+  createAgent,
+  updateAgent,
+  getAgent,
+  deleteAgent,
+  getListAgents,
+  updateAgentProjects,
+} = require('./Agent');
 
 describe('Agent Resource File Operations', () => {
   let mongoServer;
@@ -15,6 +33,8 @@ describe('Agent Resource File Operations', () => {
   afterAll(async () => {
     await mongoose.disconnect();
     await mongoServer.stop();
+    process.env.CREDS_KEY = originalEnv.CREDS_KEY;
+    process.env.CREDS_IV = originalEnv.CREDS_IV;
   });
 
   beforeEach(async () => {
@@ -33,6 +53,50 @@ describe('Agent Resource File Operations', () => {
     return agent;
   };
 
+  test('should add tool_resource to tools if missing', async () => {
+    const agent = await createBasicAgent();
+    const fileId = uuidv4();
+    const toolResource = 'file_search';
+
+    const updatedAgent = await addAgentResourceFile({
+      agent_id: agent.id,
+      tool_resource: toolResource,
+      file_id: fileId,
+    });
+
+    expect(updatedAgent.tools).toContain(toolResource);
+    expect(Array.isArray(updatedAgent.tools)).toBe(true);
+    // Should not duplicate
+    const count = updatedAgent.tools.filter((t) => t === toolResource).length;
+    expect(count).toBe(1);
+  });
+
+  test('should not duplicate tool_resource in tools if already present', async () => {
+    const agent = await createBasicAgent();
+    const fileId1 = uuidv4();
+    const fileId2 = uuidv4();
+    const toolResource = 'file_search';
+
+    // First add
+    await addAgentResourceFile({
+      agent_id: agent.id,
+      tool_resource: toolResource,
+      file_id: fileId1,
+    });
+
+    // Second add (should not duplicate)
+    const updatedAgent = await addAgentResourceFile({
+      agent_id: agent.id,
+      tool_resource: toolResource,
+      file_id: fileId2,
+    });
+
+    expect(updatedAgent.tools).toContain(toolResource);
+    expect(Array.isArray(updatedAgent.tools)).toBe(true);
+    const count = updatedAgent.tools.filter((t) => t === toolResource).length;
+    expect(count).toBe(1);
+  });
+
   test('should handle concurrent file additions', async () => {
     const agent = await createBasicAgent();
     const fileIds = Array.from({ length: 10 }, () => uuidv4());
@@ -157,4 +221,856 @@ describe('Agent Resource File Operations', () => {
       expect(updatedAgent.tool_resources[tool].file_ids).toHaveLength(5);
     });
   });
+
+  test('should handle concurrent duplicate additions', async () => {
+    const agent = await createBasicAgent();
+    const fileId = uuidv4();
+
+    // Concurrent additions of the same file
+    const additionPromises = Array.from({ length: 5 }).map(() =>
+      addAgentResourceFile({
+        agent_id: agent.id,
+        tool_resource: 'test_tool',
+        file_id: fileId,
+      }),
+    );
+
+    await Promise.all(additionPromises);
+
+    const updatedAgent = await Agent.findOne({ id: agent.id });
+    expect(updatedAgent.tool_resources.test_tool.file_ids).toBeDefined();
+    // Should only contain one instance of the fileId
+    expect(updatedAgent.tool_resources.test_tool.file_ids).toHaveLength(1);
+    expect(updatedAgent.tool_resources.test_tool.file_ids[0]).toBe(fileId);
+  });
+
+  test('should handle concurrent add and remove of the same file', async () => {
+    const agent = await createBasicAgent();
+    const fileId = uuidv4();
+
+    // First, ensure the file exists (or test might be trivial if remove runs first)
+    await addAgentResourceFile({
+      agent_id: agent.id,
+      tool_resource: 'test_tool',
+      file_id: fileId,
+    });
+
+    // Concurrent add (which should be ignored) and remove
+    const operations = [
+      addAgentResourceFile({
+        agent_id: agent.id,
+        tool_resource: 'test_tool',
+        file_id: fileId,
+      }),
+      removeAgentResourceFiles({
+        agent_id: agent.id,
+        files: [{ tool_resource: 'test_tool', file_id: fileId }],
+      }),
+    ];
+
+    await Promise.all(operations);
+
+    const updatedAgent = await Agent.findOne({ id: agent.id });
+    // The final state should ideally be that the file is removed,
+    // but the key point is consistency (not duplicated or error state).
+    // Depending on execution order, the file might remain if the add operation's
+    // findOneAndUpdate runs after the remove operation completes.
+    // A more robust check might be that the length is <= 1.
+    // Given the remove uses an update pipeline, it might be more likely to win.
+    // The final state depends on race condition timing (add or remove might "win").
+    // The critical part is that the state is consistent (no duplicates, no errors).
+    // Assert that the fileId is either present exactly once or not present at all.
+    expect(updatedAgent.tool_resources.test_tool.file_ids).toBeDefined();
+    const finalFileIds = updatedAgent.tool_resources.test_tool.file_ids;
+    const count = finalFileIds.filter((id) => id === fileId).length;
+    expect(count).toBeLessThanOrEqual(1); // Should be 0 or 1, never more
+    // Optional: Check overall length is consistent with the count
+    if (count === 0) {
+      expect(finalFileIds).toHaveLength(0);
+    } else {
+      expect(finalFileIds).toHaveLength(1);
+      expect(finalFileIds[0]).toBe(fileId);
+    }
+  });
+
+  test('should handle concurrent duplicate removals', async () => {
+    const agent = await createBasicAgent();
+    const fileId = uuidv4();
+
+    // Add the file first
+    await addAgentResourceFile({
+      agent_id: agent.id,
+      tool_resource: 'test_tool',
+      file_id: fileId,
+    });
+
+    // Concurrent removals of the same file
+    const removalPromises = Array.from({ length: 5 }).map(() =>
+      removeAgentResourceFiles({
+        agent_id: agent.id,
+        files: [{ tool_resource: 'test_tool', file_id: fileId }],
+      }),
+    );
+
+    await Promise.all(removalPromises);
+
+    const updatedAgent = await Agent.findOne({ id: agent.id });
+    // Check if the array is empty or the tool resource itself is removed
+    const fileIds = updatedAgent.tool_resources?.test_tool?.file_ids ?? [];
+    expect(fileIds).toHaveLength(0);
+    expect(fileIds).not.toContain(fileId);
+  });
+
+  test('should handle concurrent removals of different files', async () => {
+    const agent = await createBasicAgent();
+    const fileIds = Array.from({ length: 10 }, () => uuidv4());
+
+    // Add all files first
+    await Promise.all(
+      fileIds.map((fileId) =>
+        addAgentResourceFile({
+          agent_id: agent.id,
+          tool_resource: 'test_tool',
+          file_id: fileId,
+        }),
+      ),
+    );
+
+    // Concurrently remove all files
+    const removalPromises = fileIds.map((fileId) =>
+      removeAgentResourceFiles({
+        agent_id: agent.id,
+        files: [{ tool_resource: 'test_tool', file_id: fileId }],
+      }),
+    );
+
+    await Promise.all(removalPromises);
+
+    const updatedAgent = await Agent.findOne({ id: agent.id });
+    // Check if the array is empty or the tool resource itself is removed
+    const finalFileIds = updatedAgent.tool_resources?.test_tool?.file_ids ?? [];
+    expect(finalFileIds).toHaveLength(0);
+  });
+});
+
+describe('Agent CRUD Operations', () => {
+  let mongoServer;
+
+  beforeAll(async () => {
+    mongoServer = await MongoMemoryServer.create();
+    const mongoUri = mongoServer.getUri();
+    await mongoose.connect(mongoUri);
+  });
+
+  afterAll(async () => {
+    await mongoose.disconnect();
+    await mongoServer.stop();
+  });
+
+  beforeEach(async () => {
+    await Agent.deleteMany({});
+  });
+
+  test('should create and get an agent', async () => {
+    const agentId = `agent_${uuidv4()}`;
+    const authorId = new mongoose.Types.ObjectId();
+
+    const newAgent = await createAgent({
+      id: agentId,
+      name: 'Test Agent',
+      provider: 'test',
+      model: 'test-model',
+      author: authorId,
+      description: 'Test description',
+    });
+
+    expect(newAgent).toBeDefined();
+    expect(newAgent.id).toBe(agentId);
+    expect(newAgent.name).toBe('Test Agent');
+
+    const retrievedAgent = await getAgent({ id: agentId });
+    expect(retrievedAgent).toBeDefined();
+    expect(retrievedAgent.id).toBe(agentId);
+    expect(retrievedAgent.name).toBe('Test Agent');
+    expect(retrievedAgent.description).toBe('Test description');
+  });
+
+  test('should delete an agent', async () => {
+    const agentId = `agent_${uuidv4()}`;
+    const authorId = new mongoose.Types.ObjectId();
+
+    await createAgent({
+      id: agentId,
+      name: 'Agent To Delete',
+      provider: 'test',
+      model: 'test-model',
+      author: authorId,
+    });
+
+    const agentBeforeDelete = await getAgent({ id: agentId });
+    expect(agentBeforeDelete).toBeDefined();
+
+    await deleteAgent({ id: agentId });
+
+    const agentAfterDelete = await getAgent({ id: agentId });
+    expect(agentAfterDelete).toBeNull();
+  });
+
+  test('should list agents by author', async () => {
+    const authorId = new mongoose.Types.ObjectId();
+    const otherAuthorId = new mongoose.Types.ObjectId();
+
+    const agentIds = [];
+    for (let i = 0; i < 5; i++) {
+      const id = `agent_${uuidv4()}`;
+      agentIds.push(id);
+      await createAgent({
+        id,
+        name: `Agent ${i}`,
+        provider: 'test',
+        model: 'test-model',
+        author: authorId,
+      });
+    }
+
+    for (let i = 0; i < 3; i++) {
+      await createAgent({
+        id: `other_agent_${uuidv4()}`,
+        name: `Other Agent ${i}`,
+        provider: 'test',
+        model: 'test-model',
+        author: otherAuthorId,
+      });
+    }
+
+    const result = await getListAgents({ author: authorId.toString() });
+
+    expect(result).toBeDefined();
+    expect(result.data).toBeDefined();
+    expect(result.data).toHaveLength(5);
+    expect(result.has_more).toBe(true);
+
+    for (const agent of result.data) {
+      expect(agent.author).toBe(authorId.toString());
+    }
+  });
+
+  test('should update agent projects', async () => {
+    const agentId = `agent_${uuidv4()}`;
+    const authorId = new mongoose.Types.ObjectId();
+    const projectId1 = new mongoose.Types.ObjectId();
+    const projectId2 = new mongoose.Types.ObjectId();
+    const projectId3 = new mongoose.Types.ObjectId();
+
+    await createAgent({
+      id: agentId,
+      name: 'Project Test Agent',
+      provider: 'test',
+      model: 'test-model',
+      author: authorId,
+      projectIds: [projectId1],
+    });
+
+    await updateAgent(
+      { id: agentId },
+      { $addToSet: { projectIds: { $each: [projectId2, projectId3] } } },
+    );
+
+    await updateAgent({ id: agentId }, { $pull: { projectIds: projectId1 } });
+
+    await updateAgent({ id: agentId }, { projectIds: [projectId2, projectId3] });
+
+    const updatedAgent = await getAgent({ id: agentId });
+    expect(updatedAgent.projectIds).toHaveLength(2);
+    expect(updatedAgent.projectIds.map((id) => id.toString())).toContain(projectId2.toString());
+    expect(updatedAgent.projectIds.map((id) => id.toString())).toContain(projectId3.toString());
+    expect(updatedAgent.projectIds.map((id) => id.toString())).not.toContain(projectId1.toString());
+
+    await updateAgent({ id: agentId }, { projectIds: [] });
+
+    const emptyProjectsAgent = await getAgent({ id: agentId });
+    expect(emptyProjectsAgent.projectIds).toHaveLength(0);
+
+    const nonExistentId = `agent_${uuidv4()}`;
+    await expect(
+      updateAgentProjects({
+        id: nonExistentId,
+        projectIds: [projectId1],
+      }),
+    ).rejects.toThrow();
+  });
+
+  test('should handle ephemeral agent loading', async () => {
+    const agentId = 'ephemeral_test';
+    const endpoint = 'openai';
+
+    const originalModule = jest.requireActual('librechat-data-provider');
+
+    const mockDataProvider = {
+      ...originalModule,
+      Constants: {
+        ...originalModule.Constants,
+        EPHEMERAL_AGENT_ID: 'ephemeral_test',
+      },
+    };
+
+    jest.doMock('librechat-data-provider', () => mockDataProvider);
+
+    const mockReq = {
+      user: { id: 'user123' },
+      body: {
+        promptPrefix: 'This is a test instruction',
+        ephemeralAgent: {
+          execute_code: true,
+          mcp: ['server1', 'server2'],
+        },
+      },
+      app: {
+        locals: {
+          availableTools: {
+            tool__server1: {},
+            tool__server2: {},
+            another_tool: {},
+          },
+        },
+      },
+    };
+
+    const params = {
+      req: mockReq,
+      agent_id: agentId,
+      endpoint,
+      model_parameters: {
+        model: 'gpt-4',
+        temperature: 0.7,
+      },
+    };
+
+    expect(agentId).toBeDefined();
+    expect(endpoint).toBeDefined();
+
+    jest.dontMock('librechat-data-provider');
+  });
+
+  test('should handle loadAgent functionality and errors', async () => {
+    const agentId = `agent_${uuidv4()}`;
+    const authorId = new mongoose.Types.ObjectId();
+
+    await createAgent({
+      id: agentId,
+      name: 'Test Load Agent',
+      provider: 'test',
+      model: 'test-model',
+      author: authorId,
+      tools: ['tool1', 'tool2'],
+    });
+
+    const agent = await getAgent({ id: agentId });
+
+    expect(agent).toBeDefined();
+    expect(agent.id).toBe(agentId);
+    expect(agent.name).toBe('Test Load Agent');
+    expect(agent.tools).toEqual(expect.arrayContaining(['tool1', 'tool2']));
+
+    const mockLoadAgent = jest.fn().mockResolvedValue(agent);
+    const loadedAgent = await mockLoadAgent();
+    expect(loadedAgent).toBeDefined();
+    expect(loadedAgent.id).toBe(agentId);
+
+    const nonExistentId = `agent_${uuidv4()}`;
+    const nonExistentAgent = await getAgent({ id: nonExistentId });
+    expect(nonExistentAgent).toBeNull();
+
+    const mockLoadAgentError = jest.fn().mockRejectedValue(new Error('No agent found with ID'));
+    await expect(mockLoadAgentError()).rejects.toThrow('No agent found with ID');
+  });
+});
+
+describe('Agent Version History', () => {
+  let mongoServer;
+
+  beforeAll(async () => {
+    mongoServer = await MongoMemoryServer.create();
+    const mongoUri = mongoServer.getUri();
+    await mongoose.connect(mongoUri);
+  });
+
+  afterAll(async () => {
+    await mongoose.disconnect();
+    await mongoServer.stop();
+  });
+
+  beforeEach(async () => {
+    await Agent.deleteMany({});
+  });
+
+  test('should create an agent with a single entry in versions array', async () => {
+    const agentId = `agent_${uuidv4()}`;
+    const agent = await createAgent({
+      id: agentId,
+      name: 'Test Agent',
+      provider: 'test',
+      model: 'test-model',
+      author: new mongoose.Types.ObjectId(),
+    });
+
+    expect(agent.versions).toBeDefined();
+    expect(Array.isArray(agent.versions)).toBe(true);
+    expect(agent.versions).toHaveLength(1);
+    expect(agent.versions[0].name).toBe('Test Agent');
+    expect(agent.versions[0].provider).toBe('test');
+    expect(agent.versions[0].model).toBe('test-model');
+  });
+
+  test('should accumulate version history across multiple updates', async () => {
+    const agentId = `agent_${uuidv4()}`;
+    const author = new mongoose.Types.ObjectId();
+    await createAgent({
+      id: agentId,
+      name: 'First Name',
+      provider: 'test',
+      model: 'test-model',
+      author,
+      description: 'First description',
+    });
+
+    await updateAgent({ id: agentId }, { name: 'Second Name', description: 'Second description' });
+    await updateAgent({ id: agentId }, { name: 'Third Name', model: 'new-model' });
+    const finalAgent = await updateAgent({ id: agentId }, { description: 'Final description' });
+
+    expect(finalAgent.versions).toBeDefined();
+    expect(Array.isArray(finalAgent.versions)).toBe(true);
+    expect(finalAgent.versions).toHaveLength(4);
+
+    expect(finalAgent.versions[0].name).toBe('First Name');
+    expect(finalAgent.versions[0].description).toBe('First description');
+    expect(finalAgent.versions[0].model).toBe('test-model');
+
+    expect(finalAgent.versions[1].name).toBe('Second Name');
+    expect(finalAgent.versions[1].description).toBe('Second description');
+    expect(finalAgent.versions[1].model).toBe('test-model');
+
+    expect(finalAgent.versions[2].name).toBe('Third Name');
+    expect(finalAgent.versions[2].description).toBe('Second description');
+    expect(finalAgent.versions[2].model).toBe('new-model');
+
+    expect(finalAgent.versions[3].name).toBe('Third Name');
+    expect(finalAgent.versions[3].description).toBe('Final description');
+    expect(finalAgent.versions[3].model).toBe('new-model');
+
+    expect(finalAgent.name).toBe('Third Name');
+    expect(finalAgent.description).toBe('Final description');
+    expect(finalAgent.model).toBe('new-model');
+  });
+
+  test('should not include metadata fields in version history', async () => {
+    const agentId = `agent_${uuidv4()}`;
+    await createAgent({
+      id: agentId,
+      name: 'Test Agent',
+      provider: 'test',
+      model: 'test-model',
+      author: new mongoose.Types.ObjectId(),
+    });
+
+    const updatedAgent = await updateAgent({ id: agentId }, { description: 'New description' });
+
+    expect(updatedAgent.versions).toHaveLength(2);
+    expect(updatedAgent.versions[0]._id).toBeUndefined();
+    expect(updatedAgent.versions[0].__v).toBeUndefined();
+    expect(updatedAgent.versions[0].name).toBe('Test Agent');
+    expect(updatedAgent.versions[0].author).toBeUndefined();
+
+    expect(updatedAgent.versions[1]._id).toBeUndefined();
+    expect(updatedAgent.versions[1].__v).toBeUndefined();
+  });
+
+  test('should not recursively include previous versions', async () => {
+    const agentId = `agent_${uuidv4()}`;
+    await createAgent({
+      id: agentId,
+      name: 'Test Agent',
+      provider: 'test',
+      model: 'test-model',
+      author: new mongoose.Types.ObjectId(),
+    });
+
+    await updateAgent({ id: agentId }, { name: 'Updated Name 1' });
+    await updateAgent({ id: agentId }, { name: 'Updated Name 2' });
+    const finalAgent = await updateAgent({ id: agentId }, { name: 'Updated Name 3' });
+
+    expect(finalAgent.versions).toHaveLength(4);
+
+    finalAgent.versions.forEach((version) => {
+      expect(version.versions).toBeUndefined();
+    });
+  });
+
+  test('should handle MongoDB operators and field updates correctly', async () => {
+    const agentId = `agent_${uuidv4()}`;
+    const authorId = new mongoose.Types.ObjectId();
+    const projectId = new mongoose.Types.ObjectId();
+
+    await createAgent({
+      id: agentId,
+      name: 'MongoDB Operator Test',
+      provider: 'test',
+      model: 'test-model',
+      author: authorId,
+      tools: ['tool1'],
+    });
+
+    await updateAgent(
+      { id: agentId },
+      {
+        description: 'Updated description',
+        $push: { tools: 'tool2' },
+        $addToSet: { projectIds: projectId },
+      },
+    );
+
+    const firstUpdate = await getAgent({ id: agentId });
+    expect(firstUpdate.description).toBe('Updated description');
+    expect(firstUpdate.tools).toContain('tool1');
+    expect(firstUpdate.tools).toContain('tool2');
+    expect(firstUpdate.projectIds.map((id) => id.toString())).toContain(projectId.toString());
+    expect(firstUpdate.versions).toHaveLength(2);
+
+    await updateAgent(
+      { id: agentId },
+      {
+        tools: ['tool2', 'tool3'],
+      },
+    );
+
+    const secondUpdate = await getAgent({ id: agentId });
+    expect(secondUpdate.tools).toHaveLength(2);
+    expect(secondUpdate.tools).toContain('tool2');
+    expect(secondUpdate.tools).toContain('tool3');
+    expect(secondUpdate.tools).not.toContain('tool1');
+    expect(secondUpdate.versions).toHaveLength(3);
+
+    await updateAgent(
+      { id: agentId },
+      {
+        $push: { tools: 'tool3' },
+      },
+    );
+
+    const thirdUpdate = await getAgent({ id: agentId });
+    const toolCount = thirdUpdate.tools.filter((t) => t === 'tool3').length;
+    expect(toolCount).toBe(2);
+    expect(thirdUpdate.versions).toHaveLength(4);
+  });
+
+  test('should handle parameter objects correctly', async () => {
+    const agentId = `agent_${uuidv4()}`;
+    const authorId = new mongoose.Types.ObjectId();
+
+    await createAgent({
+      id: agentId,
+      name: 'Parameters Test',
+      provider: 'test',
+      model: 'test-model',
+      author: authorId,
+      model_parameters: { temperature: 0.7 },
+    });
+
+    const updatedAgent = await updateAgent(
+      { id: agentId },
+      { model_parameters: { temperature: 0.8 } },
+    );
+
+    expect(updatedAgent.versions).toHaveLength(2);
+    expect(updatedAgent.model_parameters.temperature).toBe(0.8);
+
+    await updateAgent(
+      { id: agentId },
+      {
+        model_parameters: {
+          temperature: 0.8,
+          max_tokens: 1000,
+        },
+      },
+    );
+
+    const complexAgent = await getAgent({ id: agentId });
+    expect(complexAgent.versions).toHaveLength(3);
+    expect(complexAgent.model_parameters.temperature).toBe(0.8);
+    expect(complexAgent.model_parameters.max_tokens).toBe(1000);
+
+    await updateAgent({ id: agentId }, { model_parameters: {} });
+
+    const emptyParamsAgent = await getAgent({ id: agentId });
+    expect(emptyParamsAgent.versions).toHaveLength(4);
+    expect(emptyParamsAgent.model_parameters).toEqual({});
+  });
+
+  test('should detect duplicate versions and reject updates', async () => {
+    const originalConsoleError = console.error;
+    console.error = jest.fn();
+
+    try {
+      const agentId = `agent_${uuidv4()}`;
+      const authorId = new mongoose.Types.ObjectId();
+      const projectId1 = new mongoose.Types.ObjectId();
+      const projectId2 = new mongoose.Types.ObjectId();
+
+      const testCases = [
+        {
+          name: 'simple field update',
+          initial: {
+            name: 'Test Agent',
+            description: 'Initial description',
+          },
+          update: { name: 'Updated Name' },
+          duplicate: { name: 'Updated Name' },
+        },
+        {
+          name: 'object field update',
+          initial: {
+            model_parameters: { temperature: 0.7 },
+          },
+          update: { model_parameters: { temperature: 0.8 } },
+          duplicate: { model_parameters: { temperature: 0.8 } },
+        },
+        {
+          name: 'array field update',
+          initial: {
+            tools: ['tool1', 'tool2'],
+          },
+          update: { tools: ['tool2', 'tool3'] },
+          duplicate: { tools: ['tool2', 'tool3'] },
+        },
+        {
+          name: 'projectIds update',
+          initial: {
+            projectIds: [projectId1],
+          },
+          update: { projectIds: [projectId1, projectId2] },
+          duplicate: { projectIds: [projectId2, projectId1] },
+        },
+      ];
+
+      for (const testCase of testCases) {
+        const testAgentId = `agent_${uuidv4()}`;
+
+        await createAgent({
+          id: testAgentId,
+          provider: 'test',
+          model: 'test-model',
+          author: authorId,
+          ...testCase.initial,
+        });
+
+        await updateAgent({ id: testAgentId }, testCase.update);
+
+        let error;
+        try {
+          await updateAgent({ id: testAgentId }, testCase.duplicate);
+        } catch (e) {
+          error = e;
+        }
+
+        expect(error).toBeDefined();
+        expect(error.message).toContain('Duplicate version');
+        expect(error.statusCode).toBe(409);
+        expect(error.details).toBeDefined();
+        expect(error.details.duplicateVersion).toBeDefined();
+
+        const agent = await getAgent({ id: testAgentId });
+        expect(agent.versions).toHaveLength(2);
+      }
+    } finally {
+      console.error = originalConsoleError;
+    }
+  });
+
+  test('should track updatedBy when a different user updates an agent', async () => {
+    const agentId = `agent_${uuidv4()}`;
+    const originalAuthor = new mongoose.Types.ObjectId();
+    const updatingUser = new mongoose.Types.ObjectId();
+
+    await createAgent({
+      id: agentId,
+      name: 'Original Agent',
+      provider: 'test',
+      model: 'test-model',
+      author: originalAuthor,
+      description: 'Original description',
+    });
+
+    const updatedAgent = await updateAgent(
+      { id: agentId },
+      { name: 'Updated Agent', description: 'Updated description' },
+      { updatingUserId: updatingUser.toString() },
+    );
+
+    expect(updatedAgent.versions).toHaveLength(2);
+    expect(updatedAgent.versions[1].updatedBy.toString()).toBe(updatingUser.toString());
+    expect(updatedAgent.author.toString()).toBe(originalAuthor.toString());
+  });
+
+  test('should include updatedBy even when the original author updates the agent', async () => {
+    const agentId = `agent_${uuidv4()}`;
+    const originalAuthor = new mongoose.Types.ObjectId();
+
+    await createAgent({
+      id: agentId,
+      name: 'Original Agent',
+      provider: 'test',
+      model: 'test-model',
+      author: originalAuthor,
+      description: 'Original description',
+    });
+
+    const updatedAgent = await updateAgent(
+      { id: agentId },
+      { name: 'Updated Agent', description: 'Updated description' },
+      { updatingUserId: originalAuthor.toString() },
+    );
+
+    expect(updatedAgent.versions).toHaveLength(2);
+    expect(updatedAgent.versions[1].updatedBy.toString()).toBe(originalAuthor.toString());
+    expect(updatedAgent.author.toString()).toBe(originalAuthor.toString());
+  });
+
+  test('should track multiple different users updating the same agent', async () => {
+    const agentId = `agent_${uuidv4()}`;
+    const originalAuthor = new mongoose.Types.ObjectId();
+    const user1 = new mongoose.Types.ObjectId();
+    const user2 = new mongoose.Types.ObjectId();
+    const user3 = new mongoose.Types.ObjectId();
+
+    await createAgent({
+      id: agentId,
+      name: 'Original Agent',
+      provider: 'test',
+      model: 'test-model',
+      author: originalAuthor,
+      description: 'Original description',
+    });
+
+    // User 1 makes an update
+    await updateAgent(
+      { id: agentId },
+      { name: 'Updated by User 1', description: 'First update' },
+      { updatingUserId: user1.toString() },
+    );
+
+    // Original author makes an update
+    await updateAgent(
+      { id: agentId },
+      { description: 'Updated by original author' },
+      { updatingUserId: originalAuthor.toString() },
+    );
+
+    // User 2 makes an update
+    await updateAgent(
+      { id: agentId },
+      { name: 'Updated by User 2', model: 'new-model' },
+      { updatingUserId: user2.toString() },
+    );
+
+    // User 3 makes an update
+    const finalAgent = await updateAgent(
+      { id: agentId },
+      { description: 'Final update by User 3' },
+      { updatingUserId: user3.toString() },
+    );
+
+    expect(finalAgent.versions).toHaveLength(5);
+    expect(finalAgent.author.toString()).toBe(originalAuthor.toString());
+
+    // Check that each version has the correct updatedBy
+    expect(finalAgent.versions[0].updatedBy).toBeUndefined(); // Initial creation has no updatedBy
+    expect(finalAgent.versions[1].updatedBy.toString()).toBe(user1.toString());
+    expect(finalAgent.versions[2].updatedBy.toString()).toBe(originalAuthor.toString());
+    expect(finalAgent.versions[3].updatedBy.toString()).toBe(user2.toString());
+    expect(finalAgent.versions[4].updatedBy.toString()).toBe(user3.toString());
+
+    // Verify the final state
+    expect(finalAgent.name).toBe('Updated by User 2');
+    expect(finalAgent.description).toBe('Final update by User 3');
+    expect(finalAgent.model).toBe('new-model');
+  });
+
+  test('should preserve original author during agent restoration', async () => {
+    const agentId = `agent_${uuidv4()}`;
+    const originalAuthor = new mongoose.Types.ObjectId();
+    const updatingUser = new mongoose.Types.ObjectId();
+
+    await createAgent({
+      id: agentId,
+      name: 'Original Agent',
+      provider: 'test',
+      model: 'test-model',
+      author: originalAuthor,
+      description: 'Original description',
+    });
+
+    await updateAgent(
+      { id: agentId },
+      { name: 'Updated Agent', description: 'Updated description' },
+      { updatingUserId: updatingUser.toString() },
+    );
+
+    const { revertAgentVersion } = require('./Agent');
+    const revertedAgent = await revertAgentVersion({ id: agentId }, 0);
+
+    expect(revertedAgent.author.toString()).toBe(originalAuthor.toString());
+    expect(revertedAgent.name).toBe('Original Agent');
+    expect(revertedAgent.description).toBe('Original description');
+  });
+
+  test('should detect action metadata changes and force version update', async () => {
+    const agentId = `agent_${uuidv4()}`;
+    const authorId = new mongoose.Types.ObjectId();
+    const actionId = 'testActionId123';
+
+    // Create agent with actions
+    await createAgent({
+      id: agentId,
+      name: 'Agent with Actions',
+      provider: 'test',
+      model: 'test-model',
+      author: authorId,
+      actions: [`test.com_action_${actionId}`],
+      tools: ['listEvents_action_test.com', 'createEvent_action_test.com'],
+    });
+
+    // First update with forceVersion should create a version
+    const firstUpdate = await updateAgent(
+      { id: agentId },
+      { tools: ['listEvents_action_test.com', 'createEvent_action_test.com'] },
+      { updatingUserId: authorId.toString(), forceVersion: true },
+    );
+
+    expect(firstUpdate.versions).toHaveLength(2);
+
+    // Second update with same data but forceVersion should still create a version
+    const secondUpdate = await updateAgent(
+      { id: agentId },
+      { tools: ['listEvents_action_test.com', 'createEvent_action_test.com'] },
+      { updatingUserId: authorId.toString(), forceVersion: true },
+    );
+
+    expect(secondUpdate.versions).toHaveLength(3);
+
+    // Update without forceVersion and no changes should not create a version
+    let error;
+    try {
+      await updateAgent(
+        { id: agentId },
+        { tools: ['listEvents_action_test.com', 'createEvent_action_test.com'] },
+        { updatingUserId: authorId.toString(), forceVersion: false },
+      );
+    } catch (e) {
+      error = e;
+    }
+
+    expect(error).toBeDefined();
+    expect(error.message).toContain('Duplicate version');
+    expect(error.statusCode).toBe(409);
+  });
 });

api/models/Balance.js

@@ -1,44 +1,4 @@
 const mongoose = require('mongoose');
 const { balanceSchema } = require('@librechat/data-schemas');
-const { getMultiplier } = require('./tx');
-const { logger } = require('~/config');
-
-balanceSchema.statics.check = async function ({
-  user,
-  model,
-  endpoint,
-  valueKey,
-  tokenType,
-  amount,
-  endpointTokenConfig,
-}) {
-  const multiplier = getMultiplier({ valueKey, tokenType, model, endpoint, endpointTokenConfig });
-  const tokenCost = amount * multiplier;
-  const { tokenCredits: balance } = (await this.findOne({ user }, 'tokenCredits').lean()) ?? {};
-
-  logger.debug('[Balance.check]', {
-    user,
-    model,
-    endpoint,
-    valueKey,
-    tokenType,
-    amount,
-    balance,
-    multiplier,
-    endpointTokenConfig: !!endpointTokenConfig,
-  });
-
-  if (!balance) {
-    return {
-      canSpend: false,
-      balance: 0,
-      tokenCost,
-    };
-  }
-
-  logger.debug('[Balance.check]', { tokenCost });
-
-  return { canSpend: balance >= tokenCost, balance, tokenCost };
-};
 
 module.exports = mongoose.model('Balance', balanceSchema);

api/models/Banner.js

@@ -28,4 +28,4 @@ const getBanner = async (user) => {
   }
 };
 
-module.exports = { getBanner };
+module.exports = { Banner, getBanner };

api/models/Conversation.js

@@ -61,45 +61,22 @@ const deleteNullOrEmptyConversations = async () => {
 };
 
 /**
- * Retrieves files from a conversation that have either embedded=true
- * or a metadata.fileIdentifier. Simplified and efficient query.
- *
- * @param {string} conversationId - The conversation ID
- * @returns {Promise<MongoFile[]>} - Filtered array of matching file objects
+ * Searches for a conversation by conversationId and returns associated file ids.
+ * @param {string} conversationId - The conversation's ID.
+ * @returns {Promise<string[] | null>}
  */
-const getToolFiles = async (conversationId) => {
+const getConvoFiles = async (conversationId) => {
   try {
-    const [result] = await Conversation.aggregate([
-      { $match: { conversationId } },
-      {
-        $project: {
-          files: {
-            $filter: {
-              input: '$files',
-              as: 'file',
-              cond: {
-                $or: [
-                  { $eq: ['$$file.embedded', true] },
-                  { $ifNull: ['$$file.metadata.fileIdentifier', false] },
-                ],
-              },
-            },
-          },
-          _id: 0,
-        },
-      },
-    ]).exec();
-
-    return result?.files || [];
+    return (await Conversation.findOne({ conversationId }, 'files').lean())?.files ?? [];
   } catch (error) {
-    logger.error('[getConvoEmbeddedFiles] Error fetching embedded files:', error);
-    throw new Error('Error fetching embedded files');
+    logger.error('[getConvoFiles] Error getting conversation files', error);
+    throw new Error('Error getting conversation files');
   }
 };
 
 module.exports = {
   Conversation,
-  getToolFiles,
+  getConvoFiles,
   searchConversation,
   deleteNullOrEmptyConversations,
   /**
@@ -111,11 +88,13 @@ module.exports = {
    */
   saveConvo: async (req, { conversationId, newConversationId, ...convo }, metadata) => {
     try {
-      if (metadata && metadata?.context) {
+      if (metadata?.context) {
         logger.debug(`[saveConvo] ${metadata.context}`);
       }
+
       const messages = await getMessages({ conversationId }, '_id');
       const update = { ...convo, messages, user: req.user.id };
+
       if (newConversationId) {
         update.conversationId = newConversationId;
       }
@@ -171,75 +150,102 @@ module.exports = {
       throw new Error('Failed to save conversations in bulk.');
     }
   },
-  getConvosByPage: async (user, pageNumber = 1, pageSize = 25, isArchived = false, tags) => {
-    const query = { user };
+  getConvosByCursor: async (
+    user,
+    { cursor, limit = 25, isArchived = false, tags, search, order = 'desc' } = {},
+  ) => {
+    const filters = [{ user }];
+
     if (isArchived) {
-      query.isArchived = true;
+      filters.push({ isArchived: true });
     } else {
-      query.$or = [{ isArchived: false }, { isArchived: { $exists: false } }];
-    }
-    if (Array.isArray(tags) && tags.length > 0) {
-      query.tags = { $in: tags };
+      filters.push({ $or: [{ isArchived: false }, { isArchived: { $exists: false } }] });
     }
 
-    query.$and = [{ $or: [{ expiredAt: null }, { expiredAt: { $exists: false } }] }];
+    if (Array.isArray(tags) && tags.length > 0) {
+      filters.push({ tags: { $in: tags } });
+    }
+
+    filters.push({ $or: [{ expiredAt: null }, { expiredAt: { $exists: false } }] });
+
+    if (search) {
+      try {
+        const meiliResults = await Conversation.meiliSearch(search);
+        const matchingIds = Array.isArray(meiliResults.hits)
+          ? meiliResults.hits.map((result) => result.conversationId)
+          : [];
+        if (!matchingIds.length) {
+          return { conversations: [], nextCursor: null };
+        }
+        filters.push({ conversationId: { $in: matchingIds } });
+      } catch (error) {
+        logger.error('[getConvosByCursor] Error during meiliSearch', error);
+        return { message: 'Error during meiliSearch' };
+      }
+    }
+
+    if (cursor) {
+      filters.push({ updatedAt: { $lt: new Date(cursor) } });
+    }
+
+    const query = filters.length === 1 ? filters[0] : { $and: filters };
 
     try {
-      const totalConvos = (await Conversation.countDocuments(query)) || 1;
-      const totalPages = Math.ceil(totalConvos / pageSize);
       const convos = await Conversation.find(query)
-        .sort({ updatedAt: -1 })
-        .skip((pageNumber - 1) * pageSize)
-        .limit(pageSize)
+        .select(
+          'conversationId endpoint title createdAt updatedAt user model agent_id assistant_id spec iconURL',
+        )
+        .sort({ updatedAt: order === 'asc' ? 1 : -1 })
+        .limit(limit + 1)
         .lean();
-      return { conversations: convos, pages: totalPages, pageNumber, pageSize };
+
+      let nextCursor = null;
+      if (convos.length > limit) {
+        const lastConvo = convos.pop();
+        nextCursor = lastConvo.updatedAt.toISOString();
+      }
+
+      return { conversations: convos, nextCursor };
     } catch (error) {
-      logger.error('[getConvosByPage] Error getting conversations', error);
+      logger.error('[getConvosByCursor] Error getting conversations', error);
       return { message: 'Error getting conversations' };
     }
   },
-  getConvosQueried: async (user, convoIds, pageNumber = 1, pageSize = 25) => {
+  getConvosQueried: async (user, convoIds, cursor = null, limit = 25) => {
     try {
-      if (!convoIds || convoIds.length === 0) {
-        return { conversations: [], pages: 1, pageNumber, pageSize };
+      if (!convoIds?.length) {
+        return { conversations: [], nextCursor: null, convoMap: {} };
+      }
+
+      const conversationIds = convoIds.map((convo) => convo.conversationId);
+
+      const results = await Conversation.find({
+        user,
+        conversationId: { $in: conversationIds },
+        $or: [{ expiredAt: { $exists: false } }, { expiredAt: null }],
+      }).lean();
+
+      results.sort((a, b) => new Date(b.updatedAt) - new Date(a.updatedAt));
+
+      let filtered = results;
+      if (cursor && cursor !== 'start') {
+        const cursorDate = new Date(cursor);
+        filtered = results.filter((convo) => new Date(convo.updatedAt) < cursorDate);
+      }
+
+      const limited = filtered.slice(0, limit + 1);
+      let nextCursor = null;
+      if (limited.length > limit) {
+        const lastConvo = limited.pop();
+        nextCursor = lastConvo.updatedAt.toISOString();
       }
 
-      const cache = {};
       const convoMap = {};
-      const promises = [];
-
-      convoIds.forEach((convo) =>
-        promises.push(
-          Conversation.findOne({
-            user,
-            conversationId: convo.conversationId,
-            $or: [{ expiredAt: { $exists: false } }, { expiredAt: null }],
-          }).lean(),
-        ),
-      );
-
-      const results = (await Promise.all(promises)).filter(Boolean);
-
-      results.forEach((convo, i) => {
-        const page = Math.floor(i / pageSize) + 1;
-        if (!cache[page]) {
-          cache[page] = [];
-        }
-        cache[page].push(convo);
+      limited.forEach((convo) => {
         convoMap[convo.conversationId] = convo;
       });
 
-      const totalPages = Math.ceil(results.length / pageSize);
-      cache.pages = totalPages;
-      cache.pageSize = pageSize;
-      return {
-        cache,
-        conversations: cache[pageNumber] || [],
-        pages: totalPages || 1,
-        pageNumber,
-        pageSize,
-        convoMap,
-      };
+      return { conversations: limited, nextCursor, convoMap };
     } catch (error) {
       logger.error('[getConvosQueried] Error getting conversations', error);
       return { message: 'Error fetching conversations' };
@@ -280,10 +286,26 @@ module.exports = {
    * logger.error(result); // { n: 5, ok: 1, deletedCount: 5, messages: { n: 10, ok: 1, deletedCount: 10 } }
    */
   deleteConvos: async (user, filter) => {
-    let toRemove = await Conversation.find({ ...filter, user }).select('conversationId');
-    const ids = toRemove.map((instance) => instance.conversationId);
-    let deleteCount = await Conversation.deleteMany({ ...filter, user });
-    deleteCount.messages = await deleteMessages({ conversationId: { $in: ids } });
-    return deleteCount;
+    try {
+      const userFilter = { ...filter, user };
+
+      const conversations = await Conversation.find(userFilter).select('conversationId');
+      const conversationIds = conversations.map((c) => c.conversationId);
+
+      if (!conversationIds.length) {
+        throw new Error('Conversation not found or already deleted.');
+      }
+
+      const deleteConvoResult = await Conversation.deleteMany(userFilter);
+
+      const deleteMessagesResult = await deleteMessages({
+        conversationId: { $in: conversationIds },
+      });
+
+      return { ...deleteConvoResult, messages: deleteMessagesResult };
+    } catch (error) {
+      logger.error('[deleteConvos] Error deleting conversations and messages', error);
+      throw error;
+    }
   },
 };

api/models/ConversationTag.js

@@ -140,13 +140,13 @@ const adjustPositions = async (user, oldPosition, newPosition) => {
   const position =
     oldPosition < newPosition
       ? {
-        $gt: Math.min(oldPosition, newPosition),
-        $lte: Math.max(oldPosition, newPosition),
-      }
+          $gt: Math.min(oldPosition, newPosition),
+          $lte: Math.max(oldPosition, newPosition),
+        }
       : {
-        $gte: Math.min(oldPosition, newPosition),
-        $lt: Math.max(oldPosition, newPosition),
-      };
+          $gte: Math.min(oldPosition, newPosition),
+          $lt: Math.max(oldPosition, newPosition),
+        };
 
   await ConversationTag.updateMany(
     {

api/models/File.js

@@ -1,5 +1,7 @@
 const mongoose = require('mongoose');
+const { EToolResources } = require('librechat-data-provider');
 const { fileSchema } = require('@librechat/data-schemas');
+const { logger } = require('~/config');
 
 const File = mongoose.model('File', fileSchema);
 
@@ -7,7 +9,7 @@ const File = mongoose.model('File', fileSchema);
  * Finds a file by its file_id with additional query options.
  * @param {string} file_id - The unique identifier of the file.
  * @param {object} options - Query options for filtering, projection, etc.
- * @returns {Promise<IMongoFile>} A promise that resolves to the file document or null.
+ * @returns {Promise<MongoFile>} A promise that resolves to the file document or null.
  */
 const findFileById = async (file_id, options = {}) => {
   return await File.findOne({ file_id, ...options }).lean();
@@ -19,18 +21,55 @@ const findFileById = async (file_id, options = {}) => {
  * @param {Object} [_sortOptions] - Optional sort parameters.
  * @param {Object|String} [selectFields={ text: 0 }] - Fields to include/exclude in the query results.
  *                                                   Default excludes the 'text' field.
- * @returns {Promise<Array<IMongoFile>>} A promise that resolves to an array of file documents.
+ * @returns {Promise<Array<MongoFile>>} A promise that resolves to an array of file documents.
  */
 const getFiles = async (filter, _sortOptions, selectFields = { text: 0 }) => {
   const sortOptions = { updatedAt: -1, ..._sortOptions };
   return await File.find(filter).select(selectFields).sort(sortOptions).lean();
 };
 
+/**
+ * Retrieves tool files (files that are embedded or have a fileIdentifier) from an array of file IDs
+ * @param {string[]} fileIds - Array of file_id strings to search for
+ * @param {Set<EToolResources>} toolResourceSet - Optional filter for tool resources
+ * @returns {Promise<Array<MongoFile>>} Files that match the criteria
+ */
+const getToolFilesByIds = async (fileIds, toolResourceSet) => {
+  if (!fileIds || !fileIds.length) {
+    return [];
+  }
+
+  try {
+    const filter = {
+      file_id: { $in: fileIds },
+    };
+
+    if (toolResourceSet.size) {
+      filter.$or = [];
+    }
+
+    if (toolResourceSet.has(EToolResources.file_search)) {
+      filter.$or.push({ embedded: true });
+    }
+    if (toolResourceSet.has(EToolResources.execute_code)) {
+      filter.$or.push({ 'metadata.fileIdentifier': { $exists: true } });
+    }
+
+    const selectFields = { text: 0 };
+    const sortOptions = { updatedAt: -1 };
+
+    return await getFiles(filter, sortOptions, selectFields);
+  } catch (error) {
+    logger.error('[getToolFilesByIds] Error retrieving tool files:', error);
+    throw new Error('Error retrieving tool files');
+  }
+};
+
 /**
  * Creates a new file with a TTL of 1 hour.
- * @param {IMongoFile} data - The file data to be created, must contain file_id.
+ * @param {MongoFile} data - The file data to be created, must contain file_id.
  * @param {boolean} disableTTL - Whether to disable the TTL.
- * @returns {Promise<IMongoFile>} A promise that resolves to the created file document.
+ * @returns {Promise<MongoFile>} A promise that resolves to the created file document.
  */
 const createFile = async (data, disableTTL) => {
   const fileData = {
@@ -50,8 +89,8 @@ const createFile = async (data, disableTTL) => {
 
 /**
  * Updates a file identified by file_id with new data and removes the TTL.
- * @param {IMongoFile} data - The data to update, must contain file_id.
- * @returns {Promise<IMongoFile>} A promise that resolves to the updated file document.
+ * @param {MongoFile} data - The data to update, must contain file_id.
+ * @returns {Promise<MongoFile>} A promise that resolves to the updated file document.
  */
 const updateFile = async (data) => {
   const { file_id, ...update } = data;
@@ -64,8 +103,8 @@ const updateFile = async (data) => {
 
 /**
  * Increments the usage of a file identified by file_id.
- * @param {IMongoFile} data - The data to update, must contain file_id and the increment value for usage.
- * @returns {Promise<IMongoFile>} A promise that resolves to the updated file document.
+ * @param {MongoFile} data - The data to update, must contain file_id and the increment value for usage.
+ * @returns {Promise<MongoFile>} A promise that resolves to the updated file document.
  */
 const updateFileUsage = async (data) => {
   const { file_id, inc = 1 } = data;
@@ -79,7 +118,7 @@ const updateFileUsage = async (data) => {
 /**
  * Deletes a file identified by file_id.
  * @param {string} file_id - The unique identifier of the file to delete.
- * @returns {Promise<IMongoFile>} A promise that resolves to the deleted file document or null.
+ * @returns {Promise<MongoFile>} A promise that resolves to the deleted file document or null.
  */
 const deleteFile = async (file_id) => {
   return await File.findOneAndDelete({ file_id }).lean();
@@ -88,7 +127,7 @@ const deleteFile = async (file_id) => {
 /**
  * Deletes a file identified by a filter.
  * @param {object} filter - The filter criteria to apply.
- * @returns {Promise<IMongoFile>} A promise that resolves to the deleted file document or null.
+ * @returns {Promise<MongoFile>} A promise that resolves to the deleted file document or null.
  */
 const deleteFileByFilter = async (filter) => {
   return await File.findOneAndDelete(filter).lean();
@@ -107,14 +146,38 @@ const deleteFiles = async (file_ids, user) => {
   return await File.deleteMany(deleteQuery);
 };
 
+/**
+ * Batch updates files with new signed URLs in MongoDB
+ *
+ * @param {MongoFile[]} updates - Array of updates in the format { file_id, filepath }
+ * @returns {Promise<void>}
+ */
+async function batchUpdateFiles(updates) {
+  if (!updates || updates.length === 0) {
+    return;
+  }
+
+  const bulkOperations = updates.map((update) => ({
+    updateOne: {
+      filter: { file_id: update.file_id },
+      update: { $set: { filepath: update.filepath } },
+    },
+  }));
+
+  const result = await File.bulkWrite(bulkOperations);
+  logger.info(`Updated ${result.modifiedCount} files with new S3 URLs`);
+}
+
 module.exports = {
   File,
   findFileById,
   getFiles,
+  getToolFilesByIds,
   createFile,
   updateFile,
   updateFileUsage,
   deleteFile,
   deleteFiles,
   deleteFileByFilter,
+  batchUpdateFiles,
 };

api/models/Message.js

@@ -61,6 +61,14 @@ async function saveMessage(req, params, metadata) {
       update.expiredAt = null;
     }
 
+    if (update.tokenCount != null && isNaN(update.tokenCount)) {
+      logger.warn(
+        `Resetting invalid \`tokenCount\` for message \`${params.messageId}\`: ${update.tokenCount}`,
+      );
+      logger.info(`---\`saveMessage\` context: ${metadata?.context}`);
+      update.tokenCount = 0;
+    }
+
     const message = await Message.findOneAndUpdate(
       { messageId: params.messageId, user: req.user.id },
       update,
@@ -71,7 +79,44 @@ async function saveMessage(req, params, metadata) {
   } catch (err) {
     logger.error('Error saving message:', err);
     logger.info(`---\`saveMessage\` context: ${metadata?.context}`);
-    throw err;
+
+    // Check if this is a duplicate key error (MongoDB error code 11000)
+    if (err.code === 11000 && err.message.includes('duplicate key error')) {
+      // Log the duplicate key error but don't crash the application
+      logger.warn(`Duplicate messageId detected: ${params.messageId}. Continuing execution.`);
+
+      try {
+        // Try to find the existing message with this ID
+        const existingMessage = await Message.findOne({
+          messageId: params.messageId,
+          user: req.user.id,
+        });
+
+        // If we found it, return it
+        if (existingMessage) {
+          return existingMessage.toObject();
+        }
+
+        // If we can't find it (unlikely but possible in race conditions)
+        return {
+          ...params,
+          messageId: params.messageId,
+          user: req.user.id,
+        };
+      } catch (findError) {
+        // If the findOne also fails, log it but don't crash
+        logger.warn(
+          `Could not retrieve existing message with ID ${params.messageId}: ${findError.message}`,
+        );
+        return {
+          ...params,
+          messageId: params.messageId,
+          user: req.user.id,
+        };
+      }
+    }
+
+    throw err; // Re-throw other errors
   }
 }
 

api/models/Message.spec.js

@@ -153,7 +153,7 @@ describe('Message Operations', () => {
   });
 
   describe('Conversation Hijacking Prevention', () => {
-    it('should not allow editing a message in another user\'s conversation', async () => {
+    it("should not allow editing a message in another user's conversation", async () => {
       const attackerReq = { user: { id: 'attacker123' } };
       const victimConversationId = 'victim-convo-123';
       const victimMessageId = 'victim-msg-123';
@@ -175,7 +175,7 @@ describe('Message Operations', () => {
       );
     });
 
-    it('should not allow deleting messages from another user\'s conversation', async () => {
+    it("should not allow deleting messages from another user's conversation", async () => {
       const attackerReq = { user: { id: 'attacker123' } };
       const victimConversationId = 'victim-convo-123';
       const victimMessageId = 'victim-msg-123';
@@ -193,7 +193,7 @@ describe('Message Operations', () => {
       });
     });
 
-    it('should not allow inserting a new message into another user\'s conversation', async () => {
+    it("should not allow inserting a new message into another user's conversation", async () => {
       const attackerReq = { user: { id: 'attacker123' } };
       const victimConversationId = uuidv4(); // Use a valid UUID
 

api/models/Role.js

@@ -4,13 +4,8 @@ const {
   SystemRoles,
   roleDefaults,
   PermissionTypes,
+  permissionsSchema,
   removeNullishValues,
-  agentPermissionsSchema,
-  promptPermissionsSchema,
-  runCodePermissionsSchema,
-  bookmarkPermissionsSchema,
-  multiConvoPermissionsSchema,
-  temporaryChatPermissionsSchema,
 } = require('librechat-data-provider');
 const getLogStores = require('~/cache/getLogStores');
 const { roleSchema } = require('@librechat/data-schemas');
@@ -20,15 +15,16 @@ const Role = mongoose.model('Role', roleSchema);
 
 /**
  * Retrieve a role by name and convert the found role document to a plain object.
- * If the role with the given name doesn't exist and the name is a system defined role, create it and return the lean version.
+ * If the role with the given name doesn't exist and the name is a system defined role,
+ * create it and return the lean version.
  *
  * @param {string} roleName - The name of the role to find or create.
  * @param {string|string[]} [fieldsToSelect] - The fields to include or exclude in the returned document.
  * @returns {Promise<Object>} A plain object representing the role document.
  */
 const getRoleByName = async function (roleName, fieldsToSelect = null) {
+  const cache = getLogStores(CacheKeys.ROLES);
   try {
-    const cache = getLogStores(CacheKeys.ROLES);
     const cachedRole = await cache.get(roleName);
     if (cachedRole) {
       return cachedRole;
@@ -40,8 +36,7 @@ const getRoleByName = async function (roleName, fieldsToSelect = null) {
     let role = await query.lean().exec();
 
     if (!role && SystemRoles[roleName]) {
-      role = roleDefaults[roleName];
-      role = await new Role(role).save();
+      role = await new Role(roleDefaults[roleName]).save();
       await cache.set(roleName, role);
       return role.toObject();
     }
@@ -60,8 +55,8 @@ const getRoleByName = async function (roleName, fieldsToSelect = null) {
  * @returns {Promise<TRole>} Updated role document.
  */
 const updateRoleByName = async function (roleName, updates) {
+  const cache = getLogStores(CacheKeys.ROLES);
   try {
-    const cache = getLogStores(CacheKeys.ROLES);
     const role = await Role.findOneAndUpdate(
       { name: roleName },
       { $set: updates },
@@ -77,29 +72,20 @@ const updateRoleByName = async function (roleName, updates) {
   }
 };
 
-const permissionSchemas = {
-  [PermissionTypes.AGENTS]: agentPermissionsSchema,
-  [PermissionTypes.PROMPTS]: promptPermissionsSchema,
-  [PermissionTypes.BOOKMARKS]: bookmarkPermissionsSchema,
-  [PermissionTypes.MULTI_CONVO]: multiConvoPermissionsSchema,
-  [PermissionTypes.TEMPORARY_CHAT]: temporaryChatPermissionsSchema,
-  [PermissionTypes.RUN_CODE]: runCodePermissionsSchema,
-};
-
 /**
  * Updates access permissions for a specific role and multiple permission types.
- * @param {SystemRoles} roleName - The role to update.
+ * @param {string} roleName - The role to update.
  * @param {Object.<PermissionTypes, Object.<Permissions, boolean>>} permissionsUpdate - Permissions to update and their values.
  */
 async function updateAccessPermissions(roleName, permissionsUpdate) {
+  // Filter and clean the permission updates based on our schema definition.
   const updates = {};
   for (const [permissionType, permissions] of Object.entries(permissionsUpdate)) {
-    if (permissionSchemas[permissionType]) {
+    if (permissionsSchema.shape && permissionsSchema.shape[permissionType]) {
       updates[permissionType] = removeNullishValues(permissions);
     }
   }
-
-  if (Object.keys(updates).length === 0) {
+  if (!Object.keys(updates).length) {
     return;
   }
 
@@ -109,26 +95,75 @@ async function updateAccessPermissions(roleName, permissionsUpdate) {
       return;
     }
 
-    const updatedPermissions = {};
+    const currentPermissions = role.permissions || {};
+    const updatedPermissions = { ...currentPermissions };
     let hasChanges = false;
 
+    const unsetFields = {};
+    const permissionTypes = Object.keys(permissionsSchema.shape || {});
+    for (const permType of permissionTypes) {
+      if (role[permType] && typeof role[permType] === 'object') {
+        logger.info(
+          `Migrating '${roleName}' role from old schema: found '${permType}' at top level`,
+        );
+
+        updatedPermissions[permType] = {
+          ...updatedPermissions[permType],
+          ...role[permType],
+        };
+
+        unsetFields[permType] = 1;
+        hasChanges = true;
+      }
+    }
+
+    // Process the current updates
     for (const [permissionType, permissions] of Object.entries(updates)) {
-      const currentPermissions = role[permissionType] || {};
-      updatedPermissions[permissionType] = { ...currentPermissions };
+      const currentTypePermissions = currentPermissions[permissionType] || {};
+      updatedPermissions[permissionType] = { ...currentTypePermissions };
 
       for (const [permission, value] of Object.entries(permissions)) {
-        if (currentPermissions[permission] !== value) {
+        if (currentTypePermissions[permission] !== value) {
           updatedPermissions[permissionType][permission] = value;
           hasChanges = true;
           logger.info(
-            `Updating '${roleName}' role ${permissionType} '${permission}' permission from ${currentPermissions[permission]} to: ${value}`,
+            `Updating '${roleName}' role permission '${permissionType}' '${permission}' from ${currentTypePermissions[permission]} to: ${value}`,
           );
         }
       }
     }
 
     if (hasChanges) {
-      await updateRoleByName(roleName, updatedPermissions);
+      const updateObj = { permissions: updatedPermissions };
+
+      if (Object.keys(unsetFields).length > 0) {
+        logger.info(
+          `Unsetting old schema fields for '${roleName}' role: ${Object.keys(unsetFields).join(', ')}`,
+        );
+
+        try {
+          await Role.updateOne(
+            { name: roleName },
+            {
+              $set: updateObj,
+              $unset: unsetFields,
+            },
+          );
+
+          const cache = getLogStores(CacheKeys.ROLES);
+          const updatedRole = await Role.findOne({ name: roleName }).select('-__v').lean().exec();
+          await cache.set(roleName, updatedRole);
+
+          logger.info(`Updated role '${roleName}' and removed old schema fields`);
+        } catch (updateError) {
+          logger.error(`Error during role migration update: ${updateError.message}`);
+          throw updateError;
+        }
+      } else {
+        // Standard update if no migration needed
+        await updateRoleByName(roleName, updateObj);
+      }
+
       logger.info(`Updated '${roleName}' role permissions`);
     } else {
       logger.info(`No changes needed for '${roleName}' role permissions`);
@@ -146,34 +181,111 @@ async function updateAccessPermissions(roleName, permissionsUpdate) {
  * @returns {Promise<void>}
  */
 const initializeRoles = async function () {
-  const defaultRoles = [SystemRoles.ADMIN, SystemRoles.USER];
-
-  for (const roleName of defaultRoles) {
+  for (const roleName of [SystemRoles.ADMIN, SystemRoles.USER]) {
     let role = await Role.findOne({ name: roleName });
+    const defaultPerms = roleDefaults[roleName].permissions;
 
     if (!role) {
-      // Create new role if it doesn't exist
+      // Create new role if it doesn't exist.
       role = new Role(roleDefaults[roleName]);
     } else {
-      // Add missing permission types
-      let isUpdated = false;
-      for (const permType of Object.values(PermissionTypes)) {
-        if (!role[permType]) {
-          role[permType] = roleDefaults[roleName][permType];
-          isUpdated = true;
+      // Ensure role.permissions is defined.
+      role.permissions = role.permissions || {};
+      // For each permission type in defaults, add it if missing.
+      for (const permType of Object.keys(defaultPerms)) {
+        if (role.permissions[permType] == null) {
+          role.permissions[permType] = defaultPerms[permType];
         }
       }
-      if (isUpdated) {
-        await role.save();
-      }
     }
     await role.save();
   }
 };
+
+/**
+ * Migrates roles from old schema to new schema structure.
+ * This can be called directly to fix existing roles.
+ *
+ * @param {string} [roleName] - Optional specific role to migrate. If not provided, migrates all roles.
+ * @returns {Promise<number>} Number of roles migrated.
+ */
+const migrateRoleSchema = async function (roleName) {
+  try {
+    // Get roles to migrate
+    let roles;
+    if (roleName) {
+      const role = await Role.findOne({ name: roleName });
+      roles = role ? [role] : [];
+    } else {
+      roles = await Role.find({});
+    }
+
+    logger.info(`Migrating ${roles.length} roles to new schema structure`);
+    let migratedCount = 0;
+
+    for (const role of roles) {
+      const permissionTypes = Object.keys(permissionsSchema.shape || {});
+      const unsetFields = {};
+      let hasOldSchema = false;
+
+      // Check for old schema fields
+      for (const permType of permissionTypes) {
+        if (role[permType] && typeof role[permType] === 'object') {
+          hasOldSchema = true;
+
+          // Ensure permissions object exists
+          role.permissions = role.permissions || {};
+
+          // Migrate permissions from old location to new
+          role.permissions[permType] = {
+            ...role.permissions[permType],
+            ...role[permType],
+          };
+
+          // Mark field for removal
+          unsetFields[permType] = 1;
+        }
+      }
+
+      if (hasOldSchema) {
+        try {
+          logger.info(`Migrating role '${role.name}' from old schema structure`);
+
+          // Simple update operation
+          await Role.updateOne(
+            { _id: role._id },
+            {
+              $set: { permissions: role.permissions },
+              $unset: unsetFields,
+            },
+          );
+
+          // Refresh cache
+          const cache = getLogStores(CacheKeys.ROLES);
+          const updatedRole = await Role.findById(role._id).lean().exec();
+          await cache.set(role.name, updatedRole);
+
+          migratedCount++;
+          logger.info(`Migrated role '${role.name}'`);
+        } catch (error) {
+          logger.error(`Failed to migrate role '${role.name}': ${error.message}`);
+        }
+      }
+    }
+
+    logger.info(`Migration complete: ${migratedCount} roles migrated`);
+    return migratedCount;
+  } catch (error) {
+    logger.error(`Role schema migration failed: ${error.message}`);
+    throw error;
+  }
+};
+
 module.exports = {
   Role,
   getRoleByName,
   initializeRoles,
   updateRoleByName,
   updateAccessPermissions,
+  migrateRoleSchema,
 };

api/models/Role.spec.js

@@ -2,22 +2,21 @@ const mongoose = require('mongoose');
 const { MongoMemoryServer } = require('mongodb-memory-server');
 const {
   SystemRoles,
-  PermissionTypes,
-  roleDefaults,
   Permissions,
+  roleDefaults,
+  PermissionTypes,
 } = require('librechat-data-provider');
-const { updateAccessPermissions, initializeRoles } = require('~/models/Role');
+const { Role, getRoleByName, updateAccessPermissions, initializeRoles } = require('~/models/Role');
 const getLogStores = require('~/cache/getLogStores');
-const { Role } = require('~/models/Role');
 
 // Mock the cache
-jest.mock('~/cache/getLogStores', () => {
-  return jest.fn().mockReturnValue({
+jest.mock('~/cache/getLogStores', () =>
+  jest.fn().mockReturnValue({
     get: jest.fn(),
     set: jest.fn(),
     del: jest.fn(),
-  });
-});
+  }),
+);
 
 let mongoServer;
 
@@ -41,10 +40,12 @@ describe('updateAccessPermissions', () => {
   it('should update permissions when changes are needed', async () => {
     await new Role({
       name: SystemRoles.USER,
-      [PermissionTypes.PROMPTS]: {
-        CREATE: true,
-        USE: true,
-        SHARED_GLOBAL: false,
+      permissions: {
+        [PermissionTypes.PROMPTS]: {
+          CREATE: true,
+          USE: true,
+          SHARED_GLOBAL: false,
+        },
       },
     }).save();
 
@@ -56,8 +57,8 @@ describe('updateAccessPermissions', () => {
       },
     });
 
-    const updatedRole = await Role.findOne({ name: SystemRoles.USER }).lean();
-    expect(updatedRole[PermissionTypes.PROMPTS]).toEqual({
+    const updatedRole = await getRoleByName(SystemRoles.USER);
+    expect(updatedRole.permissions[PermissionTypes.PROMPTS]).toEqual({
       CREATE: true,
       USE: true,
       SHARED_GLOBAL: true,
@@ -67,10 +68,12 @@ describe('updateAccessPermissions', () => {
   it('should not update permissions when no changes are needed', async () => {
     await new Role({
       name: SystemRoles.USER,
-      [PermissionTypes.PROMPTS]: {
-        CREATE: true,
-        USE: true,
-        SHARED_GLOBAL: false,
+      permissions: {
+        [PermissionTypes.PROMPTS]: {
+          CREATE: true,
+          USE: true,
+          SHARED_GLOBAL: false,
+        },
       },
     }).save();
 
@@ -82,8 +85,8 @@ describe('updateAccessPermissions', () => {
       },
     });
 
-    const updatedRole = await Role.findOne({ name: SystemRoles.USER }).lean();
-    expect(updatedRole[PermissionTypes.PROMPTS]).toEqual({
+    const updatedRole = await getRoleByName(SystemRoles.USER);
+    expect(updatedRole.permissions[PermissionTypes.PROMPTS]).toEqual({
       CREATE: true,
       USE: true,
       SHARED_GLOBAL: false,
@@ -92,11 +95,8 @@ describe('updateAccessPermissions', () => {
 
   it('should handle non-existent roles', async () => {
     await updateAccessPermissions('NON_EXISTENT_ROLE', {
-      [PermissionTypes.PROMPTS]: {
-        CREATE: true,
-      },
+      [PermissionTypes.PROMPTS]: { CREATE: true },
     });
-
     const role = await Role.findOne({ name: 'NON_EXISTENT_ROLE' });
     expect(role).toBeNull();
   });
@@ -104,21 +104,21 @@ describe('updateAccessPermissions', () => {
   it('should update only specified permissions', async () => {
     await new Role({
       name: SystemRoles.USER,
-      [PermissionTypes.PROMPTS]: {
-        CREATE: true,
-        USE: true,
-        SHARED_GLOBAL: false,
+      permissions: {
+        [PermissionTypes.PROMPTS]: {
+          CREATE: true,
+          USE: true,
+          SHARED_GLOBAL: false,
+        },
       },
     }).save();
 
     await updateAccessPermissions(SystemRoles.USER, {
-      [PermissionTypes.PROMPTS]: {
-        SHARED_GLOBAL: true,
-      },
+      [PermissionTypes.PROMPTS]: { SHARED_GLOBAL: true },
     });
 
-    const updatedRole = await Role.findOne({ name: SystemRoles.USER }).lean();
-    expect(updatedRole[PermissionTypes.PROMPTS]).toEqual({
+    const updatedRole = await getRoleByName(SystemRoles.USER);
+    expect(updatedRole.permissions[PermissionTypes.PROMPTS]).toEqual({
       CREATE: true,
       USE: true,
       SHARED_GLOBAL: true,
@@ -128,21 +128,21 @@ describe('updateAccessPermissions', () => {
   it('should handle partial updates', async () => {
     await new Role({
       name: SystemRoles.USER,
-      [PermissionTypes.PROMPTS]: {
-        CREATE: true,
-        USE: true,
-        SHARED_GLOBAL: false,
+      permissions: {
+        [PermissionTypes.PROMPTS]: {
+          CREATE: true,
+          USE: true,
+          SHARED_GLOBAL: false,
+        },
       },
     }).save();
 
     await updateAccessPermissions(SystemRoles.USER, {
-      [PermissionTypes.PROMPTS]: {
-        USE: false,
-      },
+      [PermissionTypes.PROMPTS]: { USE: false },
     });
 
-    const updatedRole = await Role.findOne({ name: SystemRoles.USER }).lean();
-    expect(updatedRole[PermissionTypes.PROMPTS]).toEqual({
+    const updatedRole = await getRoleByName(SystemRoles.USER);
+    expect(updatedRole.permissions[PermissionTypes.PROMPTS]).toEqual({
       CREATE: true,
       USE: false,
       SHARED_GLOBAL: false,
@@ -152,13 +152,9 @@ describe('updateAccessPermissions', () => {
   it('should update multiple permission types at once', async () => {
     await new Role({
       name: SystemRoles.USER,
-      [PermissionTypes.PROMPTS]: {
-        CREATE: true,
-        USE: true,
-        SHARED_GLOBAL: false,
-      },
-      [PermissionTypes.BOOKMARKS]: {
-        USE: true,
+      permissions: {
+        [PermissionTypes.PROMPTS]: { CREATE: true, USE: true, SHARED_GLOBAL: false },
+        [PermissionTypes.BOOKMARKS]: { USE: true },
       },
     }).save();
 
@@ -167,24 +163,20 @@ describe('updateAccessPermissions', () => {
       [PermissionTypes.BOOKMARKS]: { USE: false },
     });
 
-    const updatedRole = await Role.findOne({ name: SystemRoles.USER }).lean();
-    expect(updatedRole[PermissionTypes.PROMPTS]).toEqual({
+    const updatedRole = await getRoleByName(SystemRoles.USER);
+    expect(updatedRole.permissions[PermissionTypes.PROMPTS]).toEqual({
       CREATE: true,
       USE: false,
       SHARED_GLOBAL: true,
     });
-    expect(updatedRole[PermissionTypes.BOOKMARKS]).toEqual({
-      USE: false,
-    });
+    expect(updatedRole.permissions[PermissionTypes.BOOKMARKS]).toEqual({ USE: false });
   });
 
   it('should handle updates for a single permission type', async () => {
     await new Role({
       name: SystemRoles.USER,
-      [PermissionTypes.PROMPTS]: {
-        CREATE: true,
-        USE: true,
-        SHARED_GLOBAL: false,
+      permissions: {
+        [PermissionTypes.PROMPTS]: { CREATE: true, USE: true, SHARED_GLOBAL: false },
       },
     }).save();
 
@@ -192,8 +184,8 @@ describe('updateAccessPermissions', () => {
       [PermissionTypes.PROMPTS]: { USE: false, SHARED_GLOBAL: true },
     });
 
-    const updatedRole = await Role.findOne({ name: SystemRoles.USER }).lean();
-    expect(updatedRole[PermissionTypes.PROMPTS]).toEqual({
+    const updatedRole = await getRoleByName(SystemRoles.USER);
+    expect(updatedRole.permissions[PermissionTypes.PROMPTS]).toEqual({
       CREATE: true,
       USE: false,
       SHARED_GLOBAL: true,
@@ -203,33 +195,25 @@ describe('updateAccessPermissions', () => {
   it('should update MULTI_CONVO permissions', async () => {
     await new Role({
       name: SystemRoles.USER,
-      [PermissionTypes.MULTI_CONVO]: {
-        USE: false,
+      permissions: {
+        [PermissionTypes.MULTI_CONVO]: { USE: false },
       },
     }).save();
 
     await updateAccessPermissions(SystemRoles.USER, {
-      [PermissionTypes.MULTI_CONVO]: {
-        USE: true,
-      },
+      [PermissionTypes.MULTI_CONVO]: { USE: true },
     });
 
-    const updatedRole = await Role.findOne({ name: SystemRoles.USER }).lean();
-    expect(updatedRole[PermissionTypes.MULTI_CONVO]).toEqual({
-      USE: true,
-    });
+    const updatedRole = await getRoleByName(SystemRoles.USER);
+    expect(updatedRole.permissions[PermissionTypes.MULTI_CONVO]).toEqual({ USE: true });
   });
 
   it('should update MULTI_CONVO permissions along with other permission types', async () => {
     await new Role({
       name: SystemRoles.USER,
-      [PermissionTypes.PROMPTS]: {
-        CREATE: true,
-        USE: true,
-        SHARED_GLOBAL: false,
-      },
-      [PermissionTypes.MULTI_CONVO]: {
-        USE: false,
+      permissions: {
+        [PermissionTypes.PROMPTS]: { CREATE: true, USE: true, SHARED_GLOBAL: false },
+        [PermissionTypes.MULTI_CONVO]: { USE: false },
       },
     }).save();
 
@@ -238,35 +222,29 @@ describe('updateAccessPermissions', () => {
       [PermissionTypes.MULTI_CONVO]: { USE: true },
     });
 
-    const updatedRole = await Role.findOne({ name: SystemRoles.USER }).lean();
-    expect(updatedRole[PermissionTypes.PROMPTS]).toEqual({
+    const updatedRole = await getRoleByName(SystemRoles.USER);
+    expect(updatedRole.permissions[PermissionTypes.PROMPTS]).toEqual({
       CREATE: true,
       USE: true,
       SHARED_GLOBAL: true,
     });
-    expect(updatedRole[PermissionTypes.MULTI_CONVO]).toEqual({
-      USE: true,
-    });
+    expect(updatedRole.permissions[PermissionTypes.MULTI_CONVO]).toEqual({ USE: true });
   });
 
   it('should not update MULTI_CONVO permissions when no changes are needed', async () => {
     await new Role({
       name: SystemRoles.USER,
-      [PermissionTypes.MULTI_CONVO]: {
-        USE: true,
+      permissions: {
+        [PermissionTypes.MULTI_CONVO]: { USE: true },
       },
     }).save();
 
     await updateAccessPermissions(SystemRoles.USER, {
-      [PermissionTypes.MULTI_CONVO]: {
-        USE: true,
-      },
+      [PermissionTypes.MULTI_CONVO]: { USE: true },
     });
 
-    const updatedRole = await Role.findOne({ name: SystemRoles.USER }).lean();
-    expect(updatedRole[PermissionTypes.MULTI_CONVO]).toEqual({
-      USE: true,
-    });
+    const updatedRole = await getRoleByName(SystemRoles.USER);
+    expect(updatedRole.permissions[PermissionTypes.MULTI_CONVO]).toEqual({ USE: true });
   });
 });
 
@@ -278,65 +256,69 @@ describe('initializeRoles', () => {
   it('should create default roles if they do not exist', async () => {
     await initializeRoles();
 
-    const adminRole = await Role.findOne({ name: SystemRoles.ADMIN }).lean();
-    const userRole = await Role.findOne({ name: SystemRoles.USER }).lean();
+    const adminRole = await getRoleByName(SystemRoles.ADMIN);
+    const userRole = await getRoleByName(SystemRoles.USER);
 
     expect(adminRole).toBeTruthy();
     expect(userRole).toBeTruthy();
 
-    // Check if all permission types exist
+    // Check if all permission types exist in the permissions field
     Object.values(PermissionTypes).forEach((permType) => {
-      expect(adminRole[permType]).toBeDefined();
-      expect(userRole[permType]).toBeDefined();
+      expect(adminRole.permissions[permType]).toBeDefined();
+      expect(userRole.permissions[permType]).toBeDefined();
     });
 
-    // Check if permissions match defaults (example for ADMIN role)
-    expect(adminRole[PermissionTypes.PROMPTS].SHARED_GLOBAL).toBe(true);
-    expect(adminRole[PermissionTypes.BOOKMARKS].USE).toBe(true);
-    expect(adminRole[PermissionTypes.AGENTS].CREATE).toBe(true);
+    // Example: Check default values for ADMIN role
+    expect(adminRole.permissions[PermissionTypes.PROMPTS].SHARED_GLOBAL).toBe(true);
+    expect(adminRole.permissions[PermissionTypes.BOOKMARKS].USE).toBe(true);
+    expect(adminRole.permissions[PermissionTypes.AGENTS].CREATE).toBe(true);
   });
 
   it('should not modify existing permissions for existing roles', async () => {
     const customUserRole = {
       name: SystemRoles.USER,
-      [PermissionTypes.PROMPTS]: {
-        [Permissions.USE]: false,
-        [Permissions.CREATE]: true,
-        [Permissions.SHARED_GLOBAL]: true,
-      },
-      [PermissionTypes.BOOKMARKS]: {
-        [Permissions.USE]: false,
+      permissions: {
+        [PermissionTypes.PROMPTS]: {
+          [Permissions.USE]: false,
+          [Permissions.CREATE]: true,
+          [Permissions.SHARED_GLOBAL]: true,
+        },
+        [PermissionTypes.BOOKMARKS]: { [Permissions.USE]: false },
       },
     };
 
     await new Role(customUserRole).save();
-
     await initializeRoles();
 
-    const userRole = await Role.findOne({ name: SystemRoles.USER }).lean();
-
-    expect(userRole[PermissionTypes.PROMPTS]).toEqual(customUserRole[PermissionTypes.PROMPTS]);
-    expect(userRole[PermissionTypes.BOOKMARKS]).toEqual(customUserRole[PermissionTypes.BOOKMARKS]);
-    expect(userRole[PermissionTypes.AGENTS]).toBeDefined();
+    const userRole = await getRoleByName(SystemRoles.USER);
+    expect(userRole.permissions[PermissionTypes.PROMPTS]).toEqual(
+      customUserRole.permissions[PermissionTypes.PROMPTS],
+    );
+    expect(userRole.permissions[PermissionTypes.BOOKMARKS]).toEqual(
+      customUserRole.permissions[PermissionTypes.BOOKMARKS],
+    );
+    expect(userRole.permissions[PermissionTypes.AGENTS]).toBeDefined();
   });
 
   it('should add new permission types to existing roles', async () => {
     const partialUserRole = {
       name: SystemRoles.USER,
-      [PermissionTypes.PROMPTS]: roleDefaults[SystemRoles.USER][PermissionTypes.PROMPTS],
-      [PermissionTypes.BOOKMARKS]: roleDefaults[SystemRoles.USER][PermissionTypes.BOOKMARKS],
+      permissions: {
+        [PermissionTypes.PROMPTS]:
+          roleDefaults[SystemRoles.USER].permissions[PermissionTypes.PROMPTS],
+        [PermissionTypes.BOOKMARKS]:
+          roleDefaults[SystemRoles.USER].permissions[PermissionTypes.BOOKMARKS],
+      },
     };
 
     await new Role(partialUserRole).save();
-
     await initializeRoles();
 
-    const userRole = await Role.findOne({ name: SystemRoles.USER }).lean();
-
-    expect(userRole[PermissionTypes.AGENTS]).toBeDefined();
-    expect(userRole[PermissionTypes.AGENTS].CREATE).toBeDefined();
-    expect(userRole[PermissionTypes.AGENTS].USE).toBeDefined();
-    expect(userRole[PermissionTypes.AGENTS].SHARED_GLOBAL).toBeDefined();
+    const userRole = await getRoleByName(SystemRoles.USER);
+    expect(userRole.permissions[PermissionTypes.AGENTS]).toBeDefined();
+    expect(userRole.permissions[PermissionTypes.AGENTS].CREATE).toBeDefined();
+    expect(userRole.permissions[PermissionTypes.AGENTS].USE).toBeDefined();
+    expect(userRole.permissions[PermissionTypes.AGENTS].SHARED_GLOBAL).toBeDefined();
   });
 
   it('should handle multiple runs without duplicating or modifying data', async () => {
@@ -349,72 +331,73 @@ describe('initializeRoles', () => {
     expect(adminRoles).toHaveLength(1);
     expect(userRoles).toHaveLength(1);
 
-    const adminRole = adminRoles[0].toObject();
-    const userRole = userRoles[0].toObject();
-
-    // Check if all permission types exist
+    const adminPerms = adminRoles[0].toObject().permissions;
+    const userPerms = userRoles[0].toObject().permissions;
     Object.values(PermissionTypes).forEach((permType) => {
-      expect(adminRole[permType]).toBeDefined();
-      expect(userRole[permType]).toBeDefined();
+      expect(adminPerms[permType]).toBeDefined();
+      expect(userPerms[permType]).toBeDefined();
     });
   });
 
   it('should update roles with missing permission types from roleDefaults', async () => {
     const partialAdminRole = {
       name: SystemRoles.ADMIN,
-      [PermissionTypes.PROMPTS]: {
-        [Permissions.USE]: false,
-        [Permissions.CREATE]: false,
-        [Permissions.SHARED_GLOBAL]: false,
+      permissions: {
+        [PermissionTypes.PROMPTS]: {
+          [Permissions.USE]: false,
+          [Permissions.CREATE]: false,
+          [Permissions.SHARED_GLOBAL]: false,
+        },
+        [PermissionTypes.BOOKMARKS]:
+          roleDefaults[SystemRoles.ADMIN].permissions[PermissionTypes.BOOKMARKS],
       },
-      [PermissionTypes.BOOKMARKS]: roleDefaults[SystemRoles.ADMIN][PermissionTypes.BOOKMARKS],
     };
 
     await new Role(partialAdminRole).save();
-
     await initializeRoles();
 
-    const adminRole = await Role.findOne({ name: SystemRoles.ADMIN }).lean();
-
-    expect(adminRole[PermissionTypes.PROMPTS]).toEqual(partialAdminRole[PermissionTypes.PROMPTS]);
-    expect(adminRole[PermissionTypes.AGENTS]).toBeDefined();
-    expect(adminRole[PermissionTypes.AGENTS].CREATE).toBeDefined();
-    expect(adminRole[PermissionTypes.AGENTS].USE).toBeDefined();
-    expect(adminRole[PermissionTypes.AGENTS].SHARED_GLOBAL).toBeDefined();
+    const adminRole = await getRoleByName(SystemRoles.ADMIN);
+    expect(adminRole.permissions[PermissionTypes.PROMPTS]).toEqual(
+      partialAdminRole.permissions[PermissionTypes.PROMPTS],
+    );
+    expect(adminRole.permissions[PermissionTypes.AGENTS]).toBeDefined();
+    expect(adminRole.permissions[PermissionTypes.AGENTS].CREATE).toBeDefined();
+    expect(adminRole.permissions[PermissionTypes.AGENTS].USE).toBeDefined();
+    expect(adminRole.permissions[PermissionTypes.AGENTS].SHARED_GLOBAL).toBeDefined();
   });
 
   it('should include MULTI_CONVO permissions when creating default roles', async () => {
     await initializeRoles();
 
-    const adminRole = await Role.findOne({ name: SystemRoles.ADMIN }).lean();
-    const userRole = await Role.findOne({ name: SystemRoles.USER }).lean();
+    const adminRole = await getRoleByName(SystemRoles.ADMIN);
+    const userRole = await getRoleByName(SystemRoles.USER);
 
-    expect(adminRole[PermissionTypes.MULTI_CONVO]).toBeDefined();
-    expect(userRole[PermissionTypes.MULTI_CONVO]).toBeDefined();
-
-    // Check if MULTI_CONVO permissions match defaults
-    expect(adminRole[PermissionTypes.MULTI_CONVO].USE).toBe(
-      roleDefaults[SystemRoles.ADMIN][PermissionTypes.MULTI_CONVO].USE,
+    expect(adminRole.permissions[PermissionTypes.MULTI_CONVO]).toBeDefined();
+    expect(userRole.permissions[PermissionTypes.MULTI_CONVO]).toBeDefined();
+    expect(adminRole.permissions[PermissionTypes.MULTI_CONVO].USE).toBe(
+      roleDefaults[SystemRoles.ADMIN].permissions[PermissionTypes.MULTI_CONVO].USE,
     );
-    expect(userRole[PermissionTypes.MULTI_CONVO].USE).toBe(
-      roleDefaults[SystemRoles.USER][PermissionTypes.MULTI_CONVO].USE,
+    expect(userRole.permissions[PermissionTypes.MULTI_CONVO].USE).toBe(
+      roleDefaults[SystemRoles.USER].permissions[PermissionTypes.MULTI_CONVO].USE,
     );
   });
 
   it('should add MULTI_CONVO permissions to existing roles without them', async () => {
     const partialUserRole = {
       name: SystemRoles.USER,
-      [PermissionTypes.PROMPTS]: roleDefaults[SystemRoles.USER][PermissionTypes.PROMPTS],
-      [PermissionTypes.BOOKMARKS]: roleDefaults[SystemRoles.USER][PermissionTypes.BOOKMARKS],
+      permissions: {
+        [PermissionTypes.PROMPTS]:
+          roleDefaults[SystemRoles.USER].permissions[PermissionTypes.PROMPTS],
+        [PermissionTypes.BOOKMARKS]:
+          roleDefaults[SystemRoles.USER].permissions[PermissionTypes.BOOKMARKS],
+      },
     };
 
     await new Role(partialUserRole).save();
-
     await initializeRoles();
 
-    const userRole = await Role.findOne({ name: SystemRoles.USER }).lean();
-
-    expect(userRole[PermissionTypes.MULTI_CONVO]).toBeDefined();
-    expect(userRole[PermissionTypes.MULTI_CONVO].USE).toBeDefined();
+    const userRole = await getRoleByName(SystemRoles.USER);
+    expect(userRole.permissions[PermissionTypes.MULTI_CONVO]).toBeDefined();
+    expect(userRole.permissions[PermissionTypes.MULTI_CONVO].USE).toBeDefined();
   });
 });

api/models/Share.js

@@ -52,6 +52,14 @@ function anonymizeMessages(messages, newConvoId) {
     const newMessageId = anonymizeMessageId(message.messageId);
     idMap.set(message.messageId, newMessageId);
 
+    const anonymizedAttachments = message.attachments?.map((attachment) => {
+      return {
+        ...attachment,
+        messageId: newMessageId,
+        conversationId: newConvoId,
+      };
+    });
+
     return {
       ...message,
       messageId: newMessageId,
@@ -61,6 +69,7 @@ function anonymizeMessages(messages, newConvoId) {
       model: message.model?.startsWith('asst_')
         ? anonymizeAssistantId(message.model)
         : message.model,
+      attachments: anonymizedAttachments,
     };
   });
 }

api/models/Transaction.js

@@ -1,11 +1,144 @@
 const mongoose = require('mongoose');
-const { isEnabled } = require('~/server/utils/handleText');
 const { transactionSchema } = require('@librechat/data-schemas');
+const { getBalanceConfig } = require('~/server/services/Config');
 const { getMultiplier, getCacheMultiplier } = require('./tx');
 const { logger } = require('~/config');
 const Balance = require('./Balance');
+
 const cancelRate = 1.15;
 
+/**
+ * Updates a user's token balance based on a transaction using optimistic concurrency control
+ * without schema changes. Compatible with DocumentDB.
+ * @async
+ * @function
+ * @param {Object} params - The function parameters.
+ * @param {string|mongoose.Types.ObjectId} params.user - The user ID.
+ * @param {number} params.incrementValue - The value to increment the balance by (can be negative).
+ * @param {import('mongoose').UpdateQuery<import('@librechat/data-schemas').IBalance>['$set']} [params.setValues] - Optional additional fields to set.
+ * @returns {Promise<Object>} Returns the updated balance document (lean).
+ * @throws {Error} Throws an error if the update fails after multiple retries.
+ */
+const updateBalance = async ({ user, incrementValue, setValues }) => {
+  let maxRetries = 10; // Number of times to retry on conflict
+  let delay = 50; // Initial retry delay in ms
+  let lastError = null;
+
+  for (let attempt = 1; attempt <= maxRetries; attempt++) {
+    let currentBalanceDoc;
+    try {
+      // 1. Read the current document state
+      currentBalanceDoc = await Balance.findOne({ user }).lean();
+      const currentCredits = currentBalanceDoc ? currentBalanceDoc.tokenCredits : 0;
+
+      // 2. Calculate the desired new state
+      const potentialNewCredits = currentCredits + incrementValue;
+      const newCredits = Math.max(0, potentialNewCredits); // Ensure balance doesn't go below zero
+
+      // 3. Prepare the update payload
+      const updatePayload = {
+        $set: {
+          tokenCredits: newCredits,
+          ...(setValues || {}), // Merge other values to set
+        },
+      };
+
+      // 4. Attempt the conditional update or upsert
+      let updatedBalance = null;
+      if (currentBalanceDoc) {
+        // --- Document Exists: Perform Conditional Update ---
+        // Try to update only if the tokenCredits match the value we read (currentCredits)
+        updatedBalance = await Balance.findOneAndUpdate(
+          {
+            user: user,
+            tokenCredits: currentCredits, // Optimistic lock: condition based on the read value
+          },
+          updatePayload,
+          {
+            new: true, // Return the modified document
+            // lean: true, // .lean() is applied after query execution in Mongoose >= 6
+          },
+        ).lean(); // Use lean() for plain JS object
+
+        if (updatedBalance) {
+          // Success! The update was applied based on the expected current state.
+          return updatedBalance;
+        }
+        // If updatedBalance is null, it means tokenCredits changed between read and write (conflict).
+        lastError = new Error(`Concurrency conflict for user ${user} on attempt ${attempt}.`);
+        // Proceed to retry logic below.
+      } else {
+        // --- Document Does Not Exist: Perform Conditional Upsert ---
+        // Try to insert the document, but only if it still doesn't exist.
+        // Using tokenCredits: {$exists: false} helps prevent race conditions where
+        // another process creates the doc between our findOne and findOneAndUpdate.
+        try {
+          updatedBalance = await Balance.findOneAndUpdate(
+            {
+              user: user,
+              // Attempt to match only if the document doesn't exist OR was just created
+              // without tokenCredits (less likely but possible). A simple { user } filter
+              // might also work, relying on the retry for conflicts.
+              // Let's use a simpler filter and rely on retry for races.
+              // tokenCredits: { $exists: false } // This condition might be too strict if doc exists with 0 credits
+            },
+            updatePayload,
+            {
+              upsert: true, // Create if doesn't exist
+              new: true, // Return the created/updated document
+              // setDefaultsOnInsert: true, // Ensure schema defaults are applied on insert
+              // lean: true,
+            },
+          ).lean();
+
+          if (updatedBalance) {
+            // Upsert succeeded (likely created the document)
+            return updatedBalance;
+          }
+          // If null, potentially a rare race condition during upsert. Retry should handle it.
+          lastError = new Error(
+            `Upsert race condition suspected for user ${user} on attempt ${attempt}.`,
+          );
+        } catch (error) {
+          if (error.code === 11000) {
+            // E11000 duplicate key error on index
+            // This means another process created the document *just* before our upsert.
+            // It's a concurrency conflict during creation. We should retry.
+            lastError = error; // Store the error
+            // Proceed to retry logic below.
+          } else {
+            // Different error, rethrow
+            throw error;
+          }
+        }
+      } // End if/else (document exists?)
+    } catch (error) {
+      // Catch errors from findOne or unexpected findOneAndUpdate errors
+      logger.error(`[updateBalance] Error during attempt ${attempt} for user ${user}:`, error);
+      lastError = error; // Store the error
+      // Consider stopping retries for non-transient errors, but for now, we retry.
+    }
+
+    // If we reached here, it means the update failed (conflict or error), wait and retry
+    if (attempt < maxRetries) {
+      const jitter = Math.random() * delay * 0.5; // Add jitter to delay
+      await new Promise((resolve) => setTimeout(resolve, delay + jitter));
+      delay = Math.min(delay * 2, 2000); // Exponential backoff with cap
+    }
+  } // End for loop (retries)
+
+  // If loop finishes without success, throw the last encountered error or a generic one
+  logger.error(
+    `[updateBalance] Failed to update balance for user ${user} after ${maxRetries} attempts.`,
+  );
+  throw (
+    lastError ||
+    new Error(
+      `Failed to update balance for user ${user} after maximum retries due to persistent conflicts.`,
+    )
+  );
+};
+
 /** Method to calculate and set the tokenValue for a transaction */
 transactionSchema.methods.calculateTokenValue = function () {
   if (!this.valueKey || !this.tokenType) {
@@ -21,6 +154,39 @@ transactionSchema.methods.calculateTokenValue = function () {
   }
 };
 
+/**
+ * New static method to create an auto-refill transaction that does NOT trigger a balance update.
+ * @param {object} txData - Transaction data.
+ * @param {string} txData.user - The user ID.
+ * @param {string} txData.tokenType - The type of token.
+ * @param {string} txData.context - The context of the transaction.
+ * @param {number} txData.rawAmount - The raw amount of tokens.
+ * @returns {Promise<object>} - The created transaction.
+ */
+transactionSchema.statics.createAutoRefillTransaction = async function (txData) {
+  if (txData.rawAmount != null && isNaN(txData.rawAmount)) {
+    return;
+  }
+  const transaction = new this(txData);
+  transaction.endpointTokenConfig = txData.endpointTokenConfig;
+  transaction.calculateTokenValue();
+  await transaction.save();
+
+  const balanceResponse = await updateBalance({
+    user: transaction.user,
+    incrementValue: txData.rawAmount,
+    setValues: { lastRefill: new Date() },
+  });
+  const result = {
+    rate: transaction.rate,
+    user: transaction.user.toString(),
+    balance: balanceResponse.tokenCredits,
+  };
+  logger.debug('[Balance.check] Auto-refill performed', result);
+  result.transaction = transaction;
+  return result;
+};
+
 /**
  * Static method to create a transaction and update the balance
  * @param {txData} txData - Transaction data.
@@ -37,27 +203,22 @@ transactionSchema.statics.create = async function (txData) {
 
   await transaction.save();
 
-  if (!isEnabled(process.env.CHECK_BALANCE)) {
+  const balance = await getBalanceConfig();
+  if (!balance?.enabled) {
     return;
   }
 
-  let balance = await Balance.findOne({ user: transaction.user }).lean();
   let incrementValue = transaction.tokenValue;
 
-  if (balance && balance?.tokenCredits + incrementValue < 0) {
-    incrementValue = -balance.tokenCredits;
-  }
-
-  balance = await Balance.findOneAndUpdate(
-    { user: transaction.user },
-    { $inc: { tokenCredits: incrementValue } },
-    { upsert: true, new: true },
-  ).lean();
+  const balanceResponse = await updateBalance({
+    user: transaction.user,
+    incrementValue,
+  });
 
   return {
     rate: transaction.rate,
     user: transaction.user.toString(),
-    balance: balance.tokenCredits,
+    balance: balanceResponse.tokenCredits,
     [transaction.tokenType]: incrementValue,
   };
 };
@@ -78,27 +239,22 @@ transactionSchema.statics.createStructured = async function (txData) {
 
   await transaction.save();
 
-  if (!isEnabled(process.env.CHECK_BALANCE)) {
+  const balance = await getBalanceConfig();
+  if (!balance?.enabled) {
     return;
   }
 
-  let balance = await Balance.findOne({ user: transaction.user }).lean();
   let incrementValue = transaction.tokenValue;
 
-  if (balance && balance?.tokenCredits + incrementValue < 0) {
-    incrementValue = -balance.tokenCredits;
-  }
-
-  balance = await Balance.findOneAndUpdate(
-    { user: transaction.user },
-    { $inc: { tokenCredits: incrementValue } },
-    { upsert: true, new: true },
-  ).lean();
+  const balanceResponse = await updateBalance({
+    user: transaction.user,
+    incrementValue,
+  });
 
   return {
     rate: transaction.rate,
     user: transaction.user.toString(),
-    balance: balance.tokenCredits,
+    balance: balanceResponse.tokenCredits,
     [transaction.tokenType]: incrementValue,
   };
 };

api/models/Transaction.spec.js

@@ -1,9 +1,13 @@
 const mongoose = require('mongoose');
 const { MongoMemoryServer } = require('mongodb-memory-server');
+const { spendTokens, spendStructuredTokens } = require('./spendTokens');
+const { getBalanceConfig } = require('~/server/services/Config');
+const { getMultiplier, getCacheMultiplier } = require('./tx');
 const { Transaction } = require('./Transaction');
 const Balance = require('./Balance');
-const { spendTokens, spendStructuredTokens } = require('./spendTokens');
-const { getMultiplier, getCacheMultiplier } = require('./tx');
+
+// Mock the custom config module so we can control the balance flag.
+jest.mock('~/server/services/Config');
 
 let mongoServer;
 
@@ -20,6 +24,8 @@ afterAll(async () => {
 
 beforeEach(async () => {
   await mongoose.connection.dropDatabase();
+  // Default: enable balance updates in tests.
+  getBalanceConfig.mockResolvedValue({ enabled: true });
 });
 
 describe('Regular Token Spending Tests', () => {
@@ -44,34 +50,22 @@ describe('Regular Token Spending Tests', () => {
     };
 
     // Act
-    process.env.CHECK_BALANCE = 'true';
     await spendTokens(txData, tokenUsage);
 
     // Assert
-    console.log('Initial Balance:', initialBalance);
-
     const updatedBalance = await Balance.findOne({ user: userId });
-    console.log('Updated Balance:', updatedBalance.tokenCredits);
-
     const promptMultiplier = getMultiplier({ model, tokenType: 'prompt' });
     const completionMultiplier = getMultiplier({ model, tokenType: 'completion' });
-
-    const expectedPromptCost = tokenUsage.promptTokens * promptMultiplier;
-    const expectedCompletionCost = tokenUsage.completionTokens * completionMultiplier;
-    const expectedTotalCost = expectedPromptCost + expectedCompletionCost;
+    const expectedTotalCost = 100 * promptMultiplier + 50 * completionMultiplier;
     const expectedBalance = initialBalance - expectedTotalCost;
 
-    expect(updatedBalance.tokenCredits).toBeLessThan(initialBalance);
     expect(updatedBalance.tokenCredits).toBeCloseTo(expectedBalance, 0);
-
-    console.log('Expected Total Cost:', expectedTotalCost);
-    console.log('Actual Balance Decrease:', initialBalance - updatedBalance.tokenCredits);
   });
 
   test('spendTokens should handle zero completion tokens', async () => {
     // Arrange
     const userId = new mongoose.Types.ObjectId();
-    const initialBalance = 10000000; // $10.00
+    const initialBalance = 10000000;
     await Balance.create({ user: userId, tokenCredits: initialBalance });
 
     const model = 'gpt-3.5-turbo';
@@ -89,24 +83,19 @@ describe('Regular Token Spending Tests', () => {
     };
 
     // Act
-    process.env.CHECK_BALANCE = 'true';
     await spendTokens(txData, tokenUsage);
 
     // Assert
     const updatedBalance = await Balance.findOne({ user: userId });
-
     const promptMultiplier = getMultiplier({ model, tokenType: 'prompt' });
-    const expectedCost = tokenUsage.promptTokens * promptMultiplier;
+    const expectedCost = 100 * promptMultiplier;
     expect(updatedBalance.tokenCredits).toBeCloseTo(initialBalance - expectedCost, 0);
-
-    console.log('Initial Balance:', initialBalance);
-    console.log('Updated Balance:', updatedBalance.tokenCredits);
-    console.log('Expected Cost:', expectedCost);
   });
 
   test('spendTokens should handle undefined token counts', async () => {
+    // Arrange
     const userId = new mongoose.Types.ObjectId();
-    const initialBalance = 10000000; // $10.00
+    const initialBalance = 10000000;
     await Balance.create({ user: userId, tokenCredits: initialBalance });
 
     const model = 'gpt-3.5-turbo';
@@ -120,14 +109,17 @@ describe('Regular Token Spending Tests', () => {
 
     const tokenUsage = {};
 
+    // Act
     const result = await spendTokens(txData, tokenUsage);
 
+    // Assert: No transaction should be created
     expect(result).toBeUndefined();
   });
 
   test('spendTokens should handle only prompt tokens', async () => {
+    // Arrange
     const userId = new mongoose.Types.ObjectId();
-    const initialBalance = 10000000; // $10.00
+    const initialBalance = 10000000;
     await Balance.create({ user: userId, tokenCredits: initialBalance });
 
     const model = 'gpt-3.5-turbo';
@@ -141,14 +133,44 @@ describe('Regular Token Spending Tests', () => {
 
     const tokenUsage = { promptTokens: 100 };
 
+    // Act
     await spendTokens(txData, tokenUsage);
 
+    // Assert
     const updatedBalance = await Balance.findOne({ user: userId });
-
     const promptMultiplier = getMultiplier({ model, tokenType: 'prompt' });
     const expectedCost = 100 * promptMultiplier;
     expect(updatedBalance.tokenCredits).toBeCloseTo(initialBalance - expectedCost, 0);
   });
+
+  test('spendTokens should not update balance when balance feature is disabled', async () => {
+    // Arrange: Override the config to disable balance updates.
+    getBalanceConfig.mockResolvedValue({ balance: { enabled: false } });
+    const userId = new mongoose.Types.ObjectId();
+    const initialBalance = 10000000;
+    await Balance.create({ user: userId, tokenCredits: initialBalance });
+
+    const model = 'gpt-3.5-turbo';
+    const txData = {
+      user: userId,
+      conversationId: 'test-conversation-id',
+      model,
+      context: 'test',
+      endpointTokenConfig: null,
+    };
+
+    const tokenUsage = {
+      promptTokens: 100,
+      completionTokens: 50,
+    };
+
+    // Act
+    await spendTokens(txData, tokenUsage);
+
+    // Assert: Balance should remain unchanged.
+    const updatedBalance = await Balance.findOne({ user: userId });
+    expect(updatedBalance.tokenCredits).toBe(initialBalance);
+  });
 });
 
 describe('Structured Token Spending Tests', () => {
@@ -164,7 +186,7 @@ describe('Structured Token Spending Tests', () => {
       conversationId: 'c23a18da-706c-470a-ac28-ec87ed065199',
       model,
       context: 'message',
-      endpointTokenConfig: null, // We'll use the default rates
+      endpointTokenConfig: null,
     };
 
     const tokenUsage = {
@@ -176,28 +198,15 @@ describe('Structured Token Spending Tests', () => {
       completionTokens: 5,
     };
 
-    // Get the actual multipliers
     const promptMultiplier = getMultiplier({ model, tokenType: 'prompt' });
     const completionMultiplier = getMultiplier({ model, tokenType: 'completion' });
     const writeMultiplier = getCacheMultiplier({ model, cacheType: 'write' });
     const readMultiplier = getCacheMultiplier({ model, cacheType: 'read' });
 
-    console.log('Multipliers:', {
-      promptMultiplier,
-      completionMultiplier,
-      writeMultiplier,
-      readMultiplier,
-    });
-
     // Act
-    process.env.CHECK_BALANCE = 'true';
     const result = await spendStructuredTokens(txData, tokenUsage);
 
-    // Assert
-    console.log('Initial Balance:', initialBalance);
-    console.log('Updated Balance:', result.completion.balance);
-    console.log('Transaction Result:', result);
-
+    // Calculate expected costs.
     const expectedPromptCost =
       tokenUsage.promptTokens.input * promptMultiplier +
       tokenUsage.promptTokens.write * writeMultiplier +
@@ -206,37 +215,21 @@ describe('Structured Token Spending Tests', () => {
     const expectedTotalCost = expectedPromptCost + expectedCompletionCost;
     const expectedBalance = initialBalance - expectedTotalCost;
 
-    console.log('Expected Cost:', expectedTotalCost);
-    console.log('Expected Balance:', expectedBalance);
-
+    // Assert
     expect(result.completion.balance).toBeLessThan(initialBalance);
-
-    // Allow for a small difference (e.g., 100 token credits, which is $0.0001)
     const allowedDifference = 100;
     expect(Math.abs(result.completion.balance - expectedBalance)).toBeLessThan(allowedDifference);
-
-    // Check if the decrease is approximately as expected
     const balanceDecrease = initialBalance - result.completion.balance;
     expect(balanceDecrease).toBeCloseTo(expectedTotalCost, 0);
 
-    // Check token values
-    const expectedPromptTokenValue = -(
-      tokenUsage.promptTokens.input * promptMultiplier +
-      tokenUsage.promptTokens.write * writeMultiplier +
-      tokenUsage.promptTokens.read * readMultiplier
-    );
-    const expectedCompletionTokenValue = -tokenUsage.completionTokens * completionMultiplier;
-
+    const expectedPromptTokenValue = -expectedPromptCost;
+    const expectedCompletionTokenValue = -expectedCompletionCost;
     expect(result.prompt.prompt).toBeCloseTo(expectedPromptTokenValue, 1);
     expect(result.completion.completion).toBe(expectedCompletionTokenValue);
-
-    console.log('Expected prompt tokenValue:', expectedPromptTokenValue);
-    console.log('Actual prompt tokenValue:', result.prompt.prompt);
-    console.log('Expected completion tokenValue:', expectedCompletionTokenValue);
-    console.log('Actual completion tokenValue:', result.completion.completion);
   });
 
   test('should handle zero completion tokens in structured spending', async () => {
+    // Arrange
     const userId = new mongoose.Types.ObjectId();
     const initialBalance = 17613154.55;
     await Balance.create({ user: userId, tokenCredits: initialBalance });
@@ -258,15 +251,17 @@ describe('Structured Token Spending Tests', () => {
       completionTokens: 0,
     };
 
-    process.env.CHECK_BALANCE = 'true';
+    // Act
     const result = await spendStructuredTokens(txData, tokenUsage);
 
+    // Assert
     expect(result.prompt).toBeDefined();
     expect(result.completion).toBeUndefined();
     expect(result.prompt.prompt).toBeLessThan(0);
   });
 
   test('should handle only prompt tokens in structured spending', async () => {
+    // Arrange
     const userId = new mongoose.Types.ObjectId();
     const initialBalance = 17613154.55;
     await Balance.create({ user: userId, tokenCredits: initialBalance });
@@ -287,15 +282,17 @@ describe('Structured Token Spending Tests', () => {
       },
     };
 
-    process.env.CHECK_BALANCE = 'true';
+    // Act
     const result = await spendStructuredTokens(txData, tokenUsage);
 
+    // Assert
     expect(result.prompt).toBeDefined();
     expect(result.completion).toBeUndefined();
     expect(result.prompt.prompt).toBeLessThan(0);
   });
 
   test('should handle undefined token counts in structured spending', async () => {
+    // Arrange
     const userId = new mongoose.Types.ObjectId();
     const initialBalance = 17613154.55;
     await Balance.create({ user: userId, tokenCredits: initialBalance });
@@ -310,9 +307,10 @@ describe('Structured Token Spending Tests', () => {
 
     const tokenUsage = {};
 
-    process.env.CHECK_BALANCE = 'true';
+    // Act
     const result = await spendStructuredTokens(txData, tokenUsage);
 
+    // Assert
     expect(result).toEqual({
       prompt: undefined,
       completion: undefined,
@@ -320,6 +318,7 @@ describe('Structured Token Spending Tests', () => {
   });
 
   test('should handle incomplete context for completion tokens', async () => {
+    // Arrange
     const userId = new mongoose.Types.ObjectId();
     const initialBalance = 17613154.55;
     await Balance.create({ user: userId, tokenCredits: initialBalance });
@@ -341,15 +340,18 @@ describe('Structured Token Spending Tests', () => {
       completionTokens: 50,
     };
 
-    process.env.CHECK_BALANCE = 'true';
+    // Act
     const result = await spendStructuredTokens(txData, tokenUsage);
 
-    expect(result.completion.completion).toBeCloseTo(-50 * 15 * 1.15, 0); // Assuming multiplier is 15 and cancelRate is 1.15
+    // Assert:
+    // (Assuming a multiplier for completion of 15 and a cancel rate of 1.15 as noted in the original test.)
+    expect(result.completion.completion).toBeCloseTo(-50 * 15 * 1.15, 0);
   });
 });
 
 describe('NaN Handling Tests', () => {
   test('should skip transaction creation when rawAmount is NaN', async () => {
+    // Arrange
     const userId = new mongoose.Types.ObjectId();
     const initialBalance = 10000000;
     await Balance.create({ user: userId, tokenCredits: initialBalance });
@@ -365,9 +367,11 @@ describe('NaN Handling Tests', () => {
       tokenType: 'prompt',
     };
 
+    // Act
     const result = await Transaction.create(txData);
-    expect(result).toBeUndefined();
 
+    // Assert: No transaction should be created and balance remains unchanged.
+    expect(result).toBeUndefined();
     const balance = await Balance.findOne({ user: userId });
     expect(balance.tokenCredits).toBe(initialBalance);
   });

api/models/balanceMethods.js

@@ -0,0 +1,156 @@
+const { ViolationTypes } = require('librechat-data-provider');
+const { Transaction } = require('./Transaction');
+const { logViolation } = require('~/cache');
+const { getMultiplier } = require('./tx');
+const { logger } = require('~/config');
+const Balance = require('./Balance');
+
+function isInvalidDate(date) {
+  return isNaN(date);
+}
+
+/**
+ * Simple check method that calculates token cost and returns balance info.
+ * The auto-refill logic has been moved to balanceMethods.js to prevent circular dependencies.
+ */
+const checkBalanceRecord = async function ({
+  user,
+  model,
+  endpoint,
+  valueKey,
+  tokenType,
+  amount,
+  endpointTokenConfig,
+}) {
+  const multiplier = getMultiplier({ valueKey, tokenType, model, endpoint, endpointTokenConfig });
+  const tokenCost = amount * multiplier;
+
+  // Retrieve the balance record
+  let record = await Balance.findOne({ user }).lean();
+  if (!record) {
+    logger.debug('[Balance.check] No balance record found for user', { user });
+    return {
+      canSpend: false,
+      balance: 0,
+      tokenCost,
+    };
+  }
+  let balance = record.tokenCredits;
+
+  logger.debug('[Balance.check] Initial state', {
+    user,
+    model,
+    endpoint,
+    valueKey,
+    tokenType,
+    amount,
+    balance,
+    multiplier,
+    endpointTokenConfig: !!endpointTokenConfig,
+  });
+
+  // Only perform auto-refill if spending would bring the balance to 0 or below
+  if (balance - tokenCost <= 0 && record.autoRefillEnabled && record.refillAmount > 0) {
+    const lastRefillDate = new Date(record.lastRefill);
+    const now = new Date();
+    if (
+      isInvalidDate(lastRefillDate) ||
+      now >=
+        addIntervalToDate(lastRefillDate, record.refillIntervalValue, record.refillIntervalUnit)
+    ) {
+      try {
+        /** @type {{ rate: number, user: string, balance: number, transaction: import('@librechat/data-schemas').ITransaction}} */
+        const result = await Transaction.createAutoRefillTransaction({
+          user: user,
+          tokenType: 'credits',
+          context: 'autoRefill',
+          rawAmount: record.refillAmount,
+        });
+        balance = result.balance;
+      } catch (error) {
+        logger.error('[Balance.check] Failed to record transaction for auto-refill', error);
+      }
+    }
+  }
+
+  logger.debug('[Balance.check] Token cost', { tokenCost });
+  return { canSpend: balance >= tokenCost, balance, tokenCost };
+};
+
+/**
+ * Adds a time interval to a given date.
+ * @param {Date} date - The starting date.
+ * @param {number} value - The numeric value of the interval.
+ * @param {'seconds'|'minutes'|'hours'|'days'|'weeks'|'months'} unit - The unit of time.
+ * @returns {Date} A new Date representing the starting date plus the interval.
+ */
+const addIntervalToDate = (date, value, unit) => {
+  const result = new Date(date);
+  switch (unit) {
+    case 'seconds':
+      result.setSeconds(result.getSeconds() + value);
+      break;
+    case 'minutes':
+      result.setMinutes(result.getMinutes() + value);
+      break;
+    case 'hours':
+      result.setHours(result.getHours() + value);
+      break;
+    case 'days':
+      result.setDate(result.getDate() + value);
+      break;
+    case 'weeks':
+      result.setDate(result.getDate() + value * 7);
+      break;
+    case 'months':
+      result.setMonth(result.getMonth() + value);
+      break;
+    default:
+      break;
+  }
+  return result;
+};
+
+/**
+ * Checks the balance for a user and determines if they can spend a certain amount.
+ * If the user cannot spend the amount, it logs a violation and denies the request.
+ *
+ * @async
+ * @function
+ * @param {Object} params - The function parameters.
+ * @param {Express.Request} params.req - The Express request object.
+ * @param {Express.Response} params.res - The Express response object.
+ * @param {Object} params.txData - The transaction data.
+ * @param {string} params.txData.user - The user ID or identifier.
+ * @param {('prompt' | 'completion')} params.txData.tokenType - The type of token.
+ * @param {number} params.txData.amount - The amount of tokens.
+ * @param {string} params.txData.model - The model name or identifier.
+ * @param {string} [params.txData.endpointTokenConfig] - The token configuration for the endpoint.
+ * @returns {Promise<boolean>} Throws error if the user cannot spend the amount.
+ * @throws {Error} Throws an error if there's an issue with the balance check.
+ */
+const checkBalance = async ({ req, res, txData }) => {
+  const { canSpend, balance, tokenCost } = await checkBalanceRecord(txData);
+  if (canSpend) {
+    return true;
+  }
+
+  const type = ViolationTypes.TOKEN_BALANCE;
+  const errorMessage = {
+    type,
+    balance,
+    tokenCost,
+    promptTokens: txData.amount,
+  };
+
+  if (txData.generations && txData.generations.length > 0) {
+    errorMessage.generations = txData.generations;
+  }
+
+  await logViolation(req, res, type, errorMessage, 0);
+  throw new Error(JSON.stringify(errorMessage));
+};
+
+module.exports = {
+  checkBalance,
+};

api/models/checkBalance.js

@@ -1,45 +0,0 @@
-const { ViolationTypes } = require('librechat-data-provider');
-const { logViolation } = require('~/cache');
-const Balance = require('./Balance');
-/**
- * Checks the balance for a user and determines if they can spend a certain amount.
- * If the user cannot spend the amount, it logs a violation and denies the request.
- *
- * @async
- * @function
- * @param {Object} params - The function parameters.
- * @param {Express.Request} params.req - The Express request object.
- * @param {Express.Response} params.res - The Express response object.
- * @param {Object} params.txData - The transaction data.
- * @param {string} params.txData.user - The user ID or identifier.
- * @param {('prompt' | 'completion')} params.txData.tokenType - The type of token.
- * @param {number} params.txData.amount - The amount of tokens.
- * @param {string} params.txData.model - The model name or identifier.
- * @param {string} [params.txData.endpointTokenConfig] - The token configuration for the endpoint.
- * @returns {Promise<boolean>} Returns true if the user can spend the amount, otherwise denies the request.
- * @throws {Error} Throws an error if there's an issue with the balance check.
- */
-const checkBalance = async ({ req, res, txData }) => {
-  const { canSpend, balance, tokenCost } = await Balance.check(txData);
-
-  if (canSpend) {
-    return true;
-  }
-
-  const type = ViolationTypes.TOKEN_BALANCE;
-  const errorMessage = {
-    type,
-    balance,
-    tokenCost,
-    promptTokens: txData.amount,
-  };
-
-  if (txData.generations && txData.generations.length > 0) {
-    errorMessage.generations = txData.generations;
-  }
-
-  await logViolation(req, res, type, errorMessage, 0);
-  throw new Error(JSON.stringify(errorMessage));
-};
-
-module.exports = checkBalance;

api/models/plugins/mongoMeili.js

@@ -1,6 +1,7 @@
 const _ = require('lodash');
 const mongoose = require('mongoose');
 const { MeiliSearch } = require('meilisearch');
+const { parseTextParts, ContentTypes } = require('librechat-data-provider');
 const { cleanUpPrimaryKeyValue } = require('~/lib/utils/misc');
 const logger = require('~/config/meiliLogger');
 
@@ -238,10 +239,7 @@ const createMeiliMongooseModel = function ({ index, attributesToIndex }) {
       }
 
       if (object.content && Array.isArray(object.content)) {
-        object.text = object.content
-          .filter((item) => item.type === 'text' && item.text && item.text.value)
-          .map((item) => item.text.value)
-          .join(' ');
+        object.text = parseTextParts(object.content);
         delete object.content;
       }
 

api/models/spendTokens.js

@@ -36,7 +36,7 @@ const spendTokens = async (txData, tokenUsage) => {
       prompt = await Transaction.create({
         ...txData,
         tokenType: 'prompt',
-        rawAmount: -Math.max(promptTokens, 0),
+        rawAmount: promptTokens === 0 ? 0 : -Math.max(promptTokens, 0),
       });
     }
 
@@ -44,7 +44,7 @@ const spendTokens = async (txData, tokenUsage) => {
       completion = await Transaction.create({
         ...txData,
         tokenType: 'completion',
-        rawAmount: -Math.max(completionTokens, 0),
+        rawAmount: completionTokens === 0 ? 0 : -Math.max(completionTokens, 0),
       });
     }
 

api/models/spendTokens.spec.js

@@ -1,17 +1,10 @@
 const mongoose = require('mongoose');
+const { MongoMemoryServer } = require('mongodb-memory-server');
+const { Transaction } = require('./Transaction');
+const Balance = require('./Balance');
+const { spendTokens, spendStructuredTokens } = require('./spendTokens');
 
-jest.mock('./Transaction', () => ({
-  Transaction: {
-    create: jest.fn(),
-    createStructured: jest.fn(),
-  },
-}));
-
-jest.mock('./Balance', () => ({
-  findOne: jest.fn(),
-  findOneAndUpdate: jest.fn(),
-}));
-
+// Mock the logger to prevent console output during tests
 jest.mock('~/config', () => ({
   logger: {
     debug: jest.fn(),
@@ -19,19 +12,46 @@ jest.mock('~/config', () => ({
   },
 }));
 
-// Import after mocking
-const { spendTokens, spendStructuredTokens } = require('./spendTokens');
-const { Transaction } = require('./Transaction');
-const Balance = require('./Balance');
+// Mock the Config service
+const { getBalanceConfig } = require('~/server/services/Config');
+jest.mock('~/server/services/Config');
+
 describe('spendTokens', () => {
-  beforeEach(() => {
-    jest.clearAllMocks();
-    process.env.CHECK_BALANCE = 'true';
+  let mongoServer;
+  let userId;
+
+  beforeAll(async () => {
+    mongoServer = await MongoMemoryServer.create();
+    const mongoUri = mongoServer.getUri();
+    await mongoose.connect(mongoUri);
+  });
+
+  afterAll(async () => {
+    await mongoose.disconnect();
+    await mongoServer.stop();
+  });
+
+  beforeEach(async () => {
+    // Clear collections before each test
+    await Transaction.deleteMany({});
+    await Balance.deleteMany({});
+
+    // Create a new user ID for each test
+    userId = new mongoose.Types.ObjectId();
+
+    // Mock the balance config to be enabled by default
+    getBalanceConfig.mockResolvedValue({ enabled: true });
   });
 
   it('should create transactions for both prompt and completion tokens', async () => {
+    // Create a balance for the user
+    await Balance.create({
+      user: userId,
+      tokenCredits: 10000,
+    });
+
     const txData = {
-      user: new mongoose.Types.ObjectId(),
+      user: userId,
       conversationId: 'test-convo',
       model: 'gpt-3.5-turbo',
       context: 'test',
@@ -41,31 +61,35 @@ describe('spendTokens', () => {
       completionTokens: 50,
     };
 
-    Transaction.create.mockResolvedValueOnce({ tokenType: 'prompt', rawAmount: -100 });
-    Transaction.create.mockResolvedValueOnce({ tokenType: 'completion', rawAmount: -50 });
-    Balance.findOne.mockResolvedValue({ tokenCredits: 10000 });
-    Balance.findOneAndUpdate.mockResolvedValue({ tokenCredits: 9850 });
-
     await spendTokens(txData, tokenUsage);
 
-    expect(Transaction.create).toHaveBeenCalledTimes(2);
-    expect(Transaction.create).toHaveBeenCalledWith(
-      expect.objectContaining({
-        tokenType: 'prompt',
-        rawAmount: -100,
-      }),
-    );
-    expect(Transaction.create).toHaveBeenCalledWith(
-      expect.objectContaining({
-        tokenType: 'completion',
-        rawAmount: -50,
-      }),
-    );
+    // Verify transactions were created
+    const transactions = await Transaction.find({ user: userId }).sort({ tokenType: 1 });
+    expect(transactions).toHaveLength(2);
+
+    // Check completion transaction
+    expect(transactions[0].tokenType).toBe('completion');
+    expect(transactions[0].rawAmount).toBe(-50);
+
+    // Check prompt transaction
+    expect(transactions[1].tokenType).toBe('prompt');
+    expect(transactions[1].rawAmount).toBe(-100);
+
+    // Verify balance was updated
+    const balance = await Balance.findOne({ user: userId });
+    expect(balance).toBeDefined();
+    expect(balance.tokenCredits).toBeLessThan(10000); // Balance should be reduced
   });
 
   it('should handle zero completion tokens', async () => {
+    // Create a balance for the user
+    await Balance.create({
+      user: userId,
+      tokenCredits: 10000,
+    });
+
     const txData = {
-      user: new mongoose.Types.ObjectId(),
+      user: userId,
       conversationId: 'test-convo',
       model: 'gpt-3.5-turbo',
       context: 'test',
@@ -75,31 +99,26 @@ describe('spendTokens', () => {
       completionTokens: 0,
     };
 
-    Transaction.create.mockResolvedValueOnce({ tokenType: 'prompt', rawAmount: -100 });
-    Transaction.create.mockResolvedValueOnce({ tokenType: 'completion', rawAmount: -0 });
-    Balance.findOne.mockResolvedValue({ tokenCredits: 10000 });
-    Balance.findOneAndUpdate.mockResolvedValue({ tokenCredits: 9850 });
-
     await spendTokens(txData, tokenUsage);
 
-    expect(Transaction.create).toHaveBeenCalledTimes(2);
-    expect(Transaction.create).toHaveBeenCalledWith(
-      expect.objectContaining({
-        tokenType: 'prompt',
-        rawAmount: -100,
-      }),
-    );
-    expect(Transaction.create).toHaveBeenCalledWith(
-      expect.objectContaining({
-        tokenType: 'completion',
-        rawAmount: -0, // Changed from 0 to -0
-      }),
-    );
+    // Verify transactions were created
+    const transactions = await Transaction.find({ user: userId }).sort({ tokenType: 1 });
+    expect(transactions).toHaveLength(2);
+
+    // Check completion transaction
+    expect(transactions[0].tokenType).toBe('completion');
+    // In JavaScript -0 and 0 are different but functionally equivalent
+    // Use Math.abs to handle both 0 and -0
+    expect(Math.abs(transactions[0].rawAmount)).toBe(0);
+
+    // Check prompt transaction
+    expect(transactions[1].tokenType).toBe('prompt');
+    expect(transactions[1].rawAmount).toBe(-100);
   });
 
   it('should handle undefined token counts', async () => {
     const txData = {
-      user: new mongoose.Types.ObjectId(),
+      user: userId,
       conversationId: 'test-convo',
       model: 'gpt-3.5-turbo',
       context: 'test',
@@ -108,13 +127,22 @@ describe('spendTokens', () => {
 
     await spendTokens(txData, tokenUsage);
 
-    expect(Transaction.create).not.toHaveBeenCalled();
+    // Verify no transactions were created
+    const transactions = await Transaction.find({ user: userId });
+    expect(transactions).toHaveLength(0);
   });
 
-  it('should not update balance when CHECK_BALANCE is false', async () => {
-    process.env.CHECK_BALANCE = 'false';
+  it('should not update balance when the balance feature is disabled', async () => {
+    // Override configuration: disable balance updates
+    getBalanceConfig.mockResolvedValue({ enabled: false });
+    // Create a balance for the user
+    await Balance.create({
+      user: userId,
+      tokenCredits: 10000,
+    });
+
     const txData = {
-      user: new mongoose.Types.ObjectId(),
+      user: userId,
       conversationId: 'test-convo',
       model: 'gpt-3.5-turbo',
       context: 'test',
@@ -124,19 +152,529 @@ describe('spendTokens', () => {
       completionTokens: 50,
     };
 
-    Transaction.create.mockResolvedValueOnce({ tokenType: 'prompt', rawAmount: -100 });
-    Transaction.create.mockResolvedValueOnce({ tokenType: 'completion', rawAmount: -50 });
+    await spendTokens(txData, tokenUsage);
+
+    // Verify transactions were created
+    const transactions = await Transaction.find({ user: userId });
+    expect(transactions).toHaveLength(2);
+
+    // Verify balance was not updated (should still be 10000)
+    const balance = await Balance.findOne({ user: userId });
+    expect(balance.tokenCredits).toBe(10000);
+  });
+
+  it('should not allow balance to go below zero when spending tokens', async () => {
+    // Create a balance with a low amount
+    await Balance.create({
+      user: userId,
+      tokenCredits: 5000,
+    });
+
+    const txData = {
+      user: userId,
+      conversationId: 'test-convo',
+      model: 'gpt-4', // Using a more expensive model
+      context: 'test',
+    };
+
+    // Spending more tokens than the user has balance for
+    const tokenUsage = {
+      promptTokens: 1000,
+      completionTokens: 500,
+    };
 
     await spendTokens(txData, tokenUsage);
 
-    expect(Transaction.create).toHaveBeenCalledTimes(2);
-    expect(Balance.findOne).not.toHaveBeenCalled();
-    expect(Balance.findOneAndUpdate).not.toHaveBeenCalled();
+    // Verify transactions were created
+    const transactions = await Transaction.find({ user: userId }).sort({ tokenType: 1 });
+    expect(transactions).toHaveLength(2);
+
+    // Verify balance was reduced to exactly 0, not negative
+    const balance = await Balance.findOne({ user: userId });
+    expect(balance).toBeDefined();
+    expect(balance.tokenCredits).toBe(0);
+
+    // Check that the transaction records show the adjusted values
+    const transactionResults = await Promise.all(
+      transactions.map((t) =>
+        Transaction.create({
+          ...txData,
+          tokenType: t.tokenType,
+          rawAmount: t.rawAmount,
+        }),
+      ),
+    );
+
+    // The second transaction should have an adjusted value since balance is already 0
+    expect(transactionResults[1]).toEqual(
+      expect.objectContaining({
+        balance: 0,
+      }),
+    );
+  });
+
+  it('should handle multiple transactions in sequence with low balance and not increase balance', async () => {
+    // This test is specifically checking for the issue reported in production
+    // where the balance increases after a transaction when it should remain at 0
+    // Create a balance with a very low amount
+    await Balance.create({
+      user: userId,
+      tokenCredits: 100,
+    });
+
+    // First transaction - should reduce balance to 0
+    const txData1 = {
+      user: userId,
+      conversationId: 'test-convo-1',
+      model: 'gpt-4',
+      context: 'test',
+    };
+
+    const tokenUsage1 = {
+      promptTokens: 100,
+      completionTokens: 50,
+    };
+
+    await spendTokens(txData1, tokenUsage1);
+
+    // Check balance after first transaction
+    let balance = await Balance.findOne({ user: userId });
+    expect(balance.tokenCredits).toBe(0);
+
+    // Second transaction - should keep balance at 0, not make it negative or increase it
+    const txData2 = {
+      user: userId,
+      conversationId: 'test-convo-2',
+      model: 'gpt-4',
+      context: 'test',
+    };
+
+    const tokenUsage2 = {
+      promptTokens: 200,
+      completionTokens: 100,
+    };
+
+    await spendTokens(txData2, tokenUsage2);
+
+    // Check balance after second transaction - should still be 0
+    balance = await Balance.findOne({ user: userId });
+    expect(balance.tokenCredits).toBe(0);
+
+    // Verify all transactions were created
+    const transactions = await Transaction.find({ user: userId });
+    expect(transactions).toHaveLength(4); // 2 transactions (prompt+completion) for each call
+
+    // Let's examine the actual transaction records to see what's happening
+    const transactionDetails = await Transaction.find({ user: userId }).sort({ createdAt: 1 });
+
+    // Log the transaction details for debugging
+    console.log('Transaction details:');
+    transactionDetails.forEach((tx, i) => {
+      console.log(`Transaction ${i + 1}:`, {
+        tokenType: tx.tokenType,
+        rawAmount: tx.rawAmount,
+        tokenValue: tx.tokenValue,
+        model: tx.model,
+      });
+    });
+
+    // Check the return values from Transaction.create directly
+    // This is to verify that the incrementValue is not becoming positive
+    const directResult = await Transaction.create({
+      user: userId,
+      conversationId: 'test-convo-3',
+      model: 'gpt-4',
+      tokenType: 'completion',
+      rawAmount: -100,
+      context: 'test',
+    });
+
+    console.log('Direct Transaction.create result:', directResult);
+
+    // The completion value should never be positive
+    expect(directResult.completion).not.toBeGreaterThan(0);
+  });
+
+  it('should ensure tokenValue is always negative for spending tokens', async () => {
+    // Create a balance for the user
+    await Balance.create({
+      user: userId,
+      tokenCredits: 10000,
+    });
+
+    // Test with various models to check multiplier calculations
+    const models = ['gpt-3.5-turbo', 'gpt-4', 'claude-3-5-sonnet'];
+
+    for (const model of models) {
+      const txData = {
+        user: userId,
+        conversationId: `test-convo-${model}`,
+        model,
+        context: 'test',
+      };
+
+      const tokenUsage = {
+        promptTokens: 100,
+        completionTokens: 50,
+      };
+
+      await spendTokens(txData, tokenUsage);
+
+      // Get the transactions for this model
+      const transactions = await Transaction.find({
+        user: userId,
+        model,
+      });
+
+      // Verify tokenValue is negative for all transactions
+      transactions.forEach((tx) => {
+        console.log(`Model ${model}, Type ${tx.tokenType}: tokenValue = ${tx.tokenValue}`);
+        expect(tx.tokenValue).toBeLessThan(0);
+      });
+    }
+  });
+
+  it('should handle structured transactions in sequence with low balance', async () => {
+    // Create a balance with a very low amount
+    await Balance.create({
+      user: userId,
+      tokenCredits: 100,
+    });
+
+    // First transaction - should reduce balance to 0
+    const txData1 = {
+      user: userId,
+      conversationId: 'test-convo-1',
+      model: 'claude-3-5-sonnet',
+      context: 'test',
+    };
+
+    const tokenUsage1 = {
+      promptTokens: {
+        input: 10,
+        write: 100,
+        read: 5,
+      },
+      completionTokens: 50,
+    };
+
+    await spendStructuredTokens(txData1, tokenUsage1);
+
+    // Check balance after first transaction
+    let balance = await Balance.findOne({ user: userId });
+    expect(balance.tokenCredits).toBe(0);
+
+    // Second transaction - should keep balance at 0, not make it negative or increase it
+    const txData2 = {
+      user: userId,
+      conversationId: 'test-convo-2',
+      model: 'claude-3-5-sonnet',
+      context: 'test',
+    };
+
+    const tokenUsage2 = {
+      promptTokens: {
+        input: 20,
+        write: 200,
+        read: 10,
+      },
+      completionTokens: 100,
+    };
+
+    await spendStructuredTokens(txData2, tokenUsage2);
+
+    // Check balance after second transaction - should still be 0
+    balance = await Balance.findOne({ user: userId });
+    expect(balance.tokenCredits).toBe(0);
+
+    // Verify all transactions were created
+    const transactions = await Transaction.find({ user: userId });
+    expect(transactions).toHaveLength(4); // 2 transactions (prompt+completion) for each call
+
+    // Let's examine the actual transaction records to see what's happening
+    const transactionDetails = await Transaction.find({ user: userId }).sort({ createdAt: 1 });
+
+    // Log the transaction details for debugging
+    console.log('Structured transaction details:');
+    transactionDetails.forEach((tx, i) => {
+      console.log(`Transaction ${i + 1}:`, {
+        tokenType: tx.tokenType,
+        rawAmount: tx.rawAmount,
+        tokenValue: tx.tokenValue,
+        inputTokens: tx.inputTokens,
+        writeTokens: tx.writeTokens,
+        readTokens: tx.readTokens,
+        model: tx.model,
+      });
+    });
+  });
+
+  it('should not allow balance to go below zero when spending structured tokens', async () => {
+    // Create a balance with a low amount
+    await Balance.create({
+      user: userId,
+      tokenCredits: 5000,
+    });
+
+    const txData = {
+      user: userId,
+      conversationId: 'test-convo',
+      model: 'claude-3-5-sonnet', // Using a model that supports structured tokens
+      context: 'test',
+    };
+
+    // Spending more tokens than the user has balance for
+    const tokenUsage = {
+      promptTokens: {
+        input: 100,
+        write: 1000,
+        read: 50,
+      },
+      completionTokens: 500,
+    };
+
+    const result = await spendStructuredTokens(txData, tokenUsage);
+
+    // Verify transactions were created
+    const transactions = await Transaction.find({ user: userId }).sort({ tokenType: 1 });
+    expect(transactions).toHaveLength(2);
+
+    // Verify balance was reduced to exactly 0, not negative
+    const balance = await Balance.findOne({ user: userId });
+    expect(balance).toBeDefined();
+    expect(balance.tokenCredits).toBe(0);
+
+    // The result should show the adjusted values
+    expect(result).toEqual({
+      prompt: expect.objectContaining({
+        user: userId.toString(),
+        balance: expect.any(Number),
+      }),
+      completion: expect.objectContaining({
+        user: userId.toString(),
+        balance: 0, // Final balance should be 0
+      }),
+    });
+  });
+
+  it('should handle multiple concurrent transactions correctly with a high balance', async () => {
+    // Create a balance with a high amount
+    const initialBalance = 10000000;
+    await Balance.create({
+      user: userId,
+      tokenCredits: initialBalance,
+    });
+
+    // Simulate the recordCollectedUsage function from the production code
+    const conversationId = 'test-concurrent-convo';
+    const context = 'message';
+    const model = 'gpt-4';
+
+    const amount = 50;
+    // Create `amount` of usage records to simulate multiple transactions
+    const collectedUsage = Array.from({ length: amount }, (_, i) => ({
+      model,
+      input_tokens: 100 + i * 10, // Increasing input tokens
+      output_tokens: 50 + i * 5, // Increasing output tokens
+      input_token_details: {
+        cache_creation: i % 2 === 0 ? 20 : 0, // Some have cache creation
+        cache_read: i % 3 === 0 ? 10 : 0, // Some have cache read
+      },
+    }));
+
+    // Process all transactions concurrently to simulate race conditions
+    const promises = [];
+    let expectedTotalSpend = 0;
+
+    for (let i = 0; i < collectedUsage.length; i++) {
+      const usage = collectedUsage[i];
+      if (!usage) {
+        continue;
+      }
+
+      const cache_creation = Number(usage.input_token_details?.cache_creation) || 0;
+      const cache_read = Number(usage.input_token_details?.cache_read) || 0;
+
+      const txMetadata = {
+        context,
+        conversationId,
+        user: userId,
+        model: usage.model,
+      };
+
+      // Calculate expected spend for this transaction
+      const promptTokens = usage.input_tokens;
+      const completionTokens = usage.output_tokens;
+
+      // For regular transactions
+      if (cache_creation === 0 && cache_read === 0) {
+        // Add to expected spend using the correct multipliers from tx.js
+        // For gpt-4, the multipliers are: prompt=30, completion=60
+        expectedTotalSpend += promptTokens * 30; // gpt-4 prompt rate is 30
+        expectedTotalSpend += completionTokens * 60; // gpt-4 completion rate is 60
+
+        promises.push(
+          spendTokens(txMetadata, {
+            promptTokens,
+            completionTokens,
+          }),
+        );
+      } else {
+        // For structured transactions with cache operations
+        // The multipliers for claude models with cache operations are different
+        // But since we're using gpt-4 in the test, we need to use appropriate values
+        expectedTotalSpend += promptTokens * 30; // Base prompt rate for gpt-4
+        // Since gpt-4 doesn't have cache multipliers defined, we'll use the prompt rate
+        expectedTotalSpend += cache_creation * 30; // Write rate (using prompt rate as fallback)
+        expectedTotalSpend += cache_read * 30; // Read rate (using prompt rate as fallback)
+        expectedTotalSpend += completionTokens * 60; // Completion rate for gpt-4
+
+        promises.push(
+          spendStructuredTokens(txMetadata, {
+            promptTokens: {
+              input: promptTokens,
+              write: cache_creation,
+              read: cache_read,
+            },
+            completionTokens,
+          }),
+        );
+      }
+    }
+
+    // Wait for all transactions to complete
+    await Promise.all(promises);
+
+    // Verify final balance
+    const finalBalance = await Balance.findOne({ user: userId });
+    expect(finalBalance).toBeDefined();
+
+    // The final balance should be the initial balance minus the expected total spend
+    const expectedFinalBalance = initialBalance - expectedTotalSpend;
+
+    console.log('Initial balance:', initialBalance);
+    console.log('Expected total spend:', expectedTotalSpend);
+    console.log('Expected final balance:', expectedFinalBalance);
+    console.log('Actual final balance:', finalBalance.tokenCredits);
+
+    // Allow for small rounding differences
+    expect(finalBalance.tokenCredits).toBeCloseTo(expectedFinalBalance, 0);
+
+    // Verify all transactions were created
+    const transactions = await Transaction.find({
+      user: userId,
+      conversationId,
+    });
+
+    // We should have 2 transactions (prompt + completion) for each usage record
+    // Some might be structured, some regular
+    expect(transactions.length).toBeGreaterThanOrEqual(collectedUsage.length);
+
+    // Log transaction details for debugging
+    console.log('Transaction summary:');
+    let totalTokenValue = 0;
+    transactions.forEach((tx) => {
+      console.log(`${tx.tokenType}: rawAmount=${tx.rawAmount}, tokenValue=${tx.tokenValue}`);
+      totalTokenValue += tx.tokenValue;
+    });
+    console.log('Total token value from transactions:', totalTokenValue);
+
+    // The difference between expected and actual is significant
+    // This is likely due to the multipliers being different in the test environment
+    // Let's adjust our expectation based on the actual transactions
+    const actualSpend = initialBalance - finalBalance.tokenCredits;
+    console.log('Actual spend:', actualSpend);
+
+    // Instead of checking the exact balance, let's verify that:
+    // 1. The balance was reduced (tokens were spent)
+    expect(finalBalance.tokenCredits).toBeLessThan(initialBalance);
+    // 2. The total token value from transactions matches the actual spend
+    expect(Math.abs(totalTokenValue)).toBeCloseTo(actualSpend, -3); // Allow for larger differences
+  });
+
+  // Add this new test case
+  it('should handle multiple concurrent balance increases correctly', async () => {
+    // Start with zero balance
+    const initialBalance = 0;
+    await Balance.create({
+      user: userId,
+      tokenCredits: initialBalance,
+    });
+
+    const numberOfRefills = 25;
+    const refillAmount = 1000;
+
+    const promises = [];
+    for (let i = 0; i < numberOfRefills; i++) {
+      promises.push(
+        Transaction.createAutoRefillTransaction({
+          user: userId,
+          tokenType: 'credits',
+          context: 'concurrent-refill-test',
+          rawAmount: refillAmount,
+        }),
+      );
+    }
+
+    // Wait for all refill transactions to complete
+    const results = await Promise.all(promises);
+
+    // Verify final balance
+    const finalBalance = await Balance.findOne({ user: userId });
+    expect(finalBalance).toBeDefined();
+
+    // The final balance should be the initial balance plus the sum of all refills
+    const expectedFinalBalance = initialBalance + numberOfRefills * refillAmount;
+
+    console.log('Initial balance (Increase Test):', initialBalance);
+    console.log(`Performed ${numberOfRefills} refills of ${refillAmount} each.`);
+    console.log('Expected final balance (Increase Test):', expectedFinalBalance);
+    console.log('Actual final balance (Increase Test):', finalBalance.tokenCredits);
+
+    // Use toBeCloseTo for safety, though toBe should work for integer math
+    expect(finalBalance.tokenCredits).toBeCloseTo(expectedFinalBalance, 0);
+
+    // Verify all transactions were created
+    const transactions = await Transaction.find({
+      user: userId,
+      context: 'concurrent-refill-test',
+    });
+
+    // We should have one transaction for each refill attempt
+    expect(transactions.length).toBe(numberOfRefills);
+
+    // Optional: Verify the sum of increments from the results matches the balance change
+    const totalIncrementReported = results.reduce((sum, result) => {
+      // Assuming createAutoRefillTransaction returns an object with the increment amount
+      // Adjust this based on the actual return structure.
+      // Let's assume it returns { balance: newBalance, transaction: { rawAmount: ... } }
+      // Or perhaps we check the transaction.rawAmount directly
+      return sum + (result?.transaction?.rawAmount || 0);
+    }, 0);
+    console.log('Total increment reported by results:', totalIncrementReported);
+    expect(totalIncrementReported).toBe(expectedFinalBalance - initialBalance);
+
+    // Optional: Check the sum of tokenValue from saved transactions
+    let totalTokenValueFromDb = 0;
+    transactions.forEach((tx) => {
+      // For refills, rawAmount is positive, and tokenValue might be calculated based on it
+      // Let's assume tokenValue directly reflects the increment for simplicity here
+      // If calculation is involved, adjust accordingly
+      totalTokenValueFromDb += tx.rawAmount; // Or tx.tokenValue if that holds the increment
+    });
+    console.log('Total rawAmount from DB transactions:', totalTokenValueFromDb);
+    expect(totalTokenValueFromDb).toBeCloseTo(expectedFinalBalance - initialBalance, 0);
   });
 
   it('should create structured transactions for both prompt and completion tokens', async () => {
+    // Create a balance for the user
+    await Balance.create({
+      user: userId,
+      tokenCredits: 10000,
+    });
+
     const txData = {
-      user: new mongoose.Types.ObjectId(),
+      user: userId,
       conversationId: 'test-convo',
       model: 'claude-3-5-sonnet',
       context: 'test',
@@ -150,48 +688,37 @@ describe('spendTokens', () => {
       completionTokens: 50,
     };
 
-    Transaction.createStructured.mockResolvedValueOnce({
-      rate: 3.75,
-      user: txData.user.toString(),
-      balance: 9570,
-      prompt: -430,
-    });
-    Transaction.create.mockResolvedValueOnce({
-      rate: 15,
-      user: txData.user.toString(),
-      balance: 8820,
-      completion: -750,
-    });
-
     const result = await spendStructuredTokens(txData, tokenUsage);
 
-    expect(Transaction.createStructured).toHaveBeenCalledWith(
-      expect.objectContaining({
-        tokenType: 'prompt',
-        inputTokens: -10,
-        writeTokens: -100,
-        readTokens: -5,
-      }),
-    );
-    expect(Transaction.create).toHaveBeenCalledWith(
-      expect.objectContaining({
-        tokenType: 'completion',
-        rawAmount: -50,
-      }),
-    );
+    // Verify transactions were created
+    const transactions = await Transaction.find({ user: userId }).sort({ tokenType: 1 });
+    expect(transactions).toHaveLength(2);
+
+    // Check completion transaction
+    expect(transactions[0].tokenType).toBe('completion');
+    expect(transactions[0].rawAmount).toBe(-50);
+
+    // Check prompt transaction
+    expect(transactions[1].tokenType).toBe('prompt');
+    expect(transactions[1].inputTokens).toBe(-10);
+    expect(transactions[1].writeTokens).toBe(-100);
+    expect(transactions[1].readTokens).toBe(-5);
+
+    // Verify result contains transaction info
     expect(result).toEqual({
       prompt: expect.objectContaining({
-        rate: 3.75,
-        user: txData.user.toString(),
-        balance: 9570,
-        prompt: -430,
+        user: userId.toString(),
+        prompt: expect.any(Number),
       }),
       completion: expect.objectContaining({
-        rate: 15,
-        user: txData.user.toString(),
-        balance: 8820,
-        completion: -750,
+        user: userId.toString(),
+        completion: expect.any(Number),
       }),
     });
+
+    // Verify balance was updated
+    const balance = await Balance.findOne({ user: userId });
+    expect(balance).toBeDefined();
+    expect(balance.tokenCredits).toBeLessThan(10000); // Balance should be reduced
   });
 });

api/models/tx.js

@@ -61,6 +61,7 @@ const bedrockValues = {
   'amazon.nova-micro-v1:0': { prompt: 0.035, completion: 0.14 },
   'amazon.nova-lite-v1:0': { prompt: 0.06, completion: 0.24 },
   'amazon.nova-pro-v1:0': { prompt: 0.8, completion: 3.2 },
+  'deepseek.r1': { prompt: 1.35, completion: 5.4 },
 };
 
 /**
@@ -75,10 +76,15 @@ const tokenValues = Object.assign(
     '4k': { prompt: 1.5, completion: 2 },
     '16k': { prompt: 3, completion: 4 },
     'gpt-3.5-turbo-1106': { prompt: 1, completion: 2 },
+    'o4-mini': { prompt: 1.1, completion: 4.4 },
     'o3-mini': { prompt: 1.1, completion: 4.4 },
+    o3: { prompt: 10, completion: 40 },
     'o1-mini': { prompt: 1.1, completion: 4.4 },
     'o1-preview': { prompt: 15, completion: 60 },
     o1: { prompt: 15, completion: 60 },
+    'gpt-4.1-nano': { prompt: 0.1, completion: 0.4 },
+    'gpt-4.1-mini': { prompt: 0.4, completion: 1.6 },
+    'gpt-4.1': { prompt: 2, completion: 8 },
     'gpt-4.5': { prompt: 75, completion: 150 },
     'gpt-4o-mini': { prompt: 0.15, completion: 0.6 },
     'gpt-4o': { prompt: 2.5, completion: 10 },
@@ -94,6 +100,8 @@ const tokenValues = Object.assign(
     'claude-3-5-haiku': { prompt: 0.8, completion: 4 },
     'claude-3.5-haiku': { prompt: 0.8, completion: 4 },
     'claude-3-haiku': { prompt: 0.25, completion: 1.25 },
+    'claude-sonnet-4': { prompt: 3, completion: 15 },
+    'claude-opus-4': { prompt: 15, completion: 75 },
     'claude-2.1': { prompt: 8, completion: 24 },
     'claude-2': { prompt: 8, completion: 24 },
     'claude-instant': { prompt: 0.8, completion: 2.4 },
@@ -105,9 +113,16 @@ const tokenValues = Object.assign(
     /* cohere doesn't have rates for the older command models,
   so this was from https://artificialanalysis.ai/models/command-light/providers */
     command: { prompt: 0.38, completion: 0.38 },
+    gemma: { prompt: 0, completion: 0 }, // https://ai.google.dev/pricing
+    'gemma-2': { prompt: 0, completion: 0 }, // https://ai.google.dev/pricing
+    'gemma-3': { prompt: 0, completion: 0 }, // https://ai.google.dev/pricing
+    'gemma-3-27b': { prompt: 0, completion: 0 }, // https://ai.google.dev/pricing
     'gemini-2.0-flash-lite': { prompt: 0.075, completion: 0.3 },
-    'gemini-2.0-flash': { prompt: 0.1, completion: 0.7 },
+    'gemini-2.0-flash': { prompt: 0.1, completion: 0.4 },
     'gemini-2.0': { prompt: 0, completion: 0 }, // https://ai.google.dev/pricing
+    'gemini-2.5-pro': { prompt: 1.25, completion: 10 },
+    'gemini-2.5-flash': { prompt: 0.15, completion: 3.5 },
+    'gemini-2.5': { prompt: 0, completion: 0 }, // Free for a period of time
     'gemini-1.5-flash-8b': { prompt: 0.075, completion: 0.3 },
     'gemini-1.5-flash': { prompt: 0.15, completion: 0.6 },
     'gemini-1.5': { prompt: 2.5, completion: 10 },
@@ -120,7 +135,17 @@ const tokenValues = Object.assign(
     'grok-2-1212': { prompt: 2.0, completion: 10.0 },
     'grok-2-latest': { prompt: 2.0, completion: 10.0 },
     'grok-2': { prompt: 2.0, completion: 10.0 },
+    'grok-3-mini-fast': { prompt: 0.4, completion: 4 },
+    'grok-3-mini': { prompt: 0.3, completion: 0.5 },
+    'grok-3-fast': { prompt: 5.0, completion: 25.0 },
+    'grok-3': { prompt: 3.0, completion: 15.0 },
     'grok-beta': { prompt: 5.0, completion: 15.0 },
+    'mistral-large': { prompt: 2.0, completion: 6.0 },
+    'pixtral-large': { prompt: 2.0, completion: 6.0 },
+    'mistral-saba': { prompt: 0.2, completion: 0.6 },
+    codestral: { prompt: 0.3, completion: 0.9 },
+    'ministral-8b': { prompt: 0.1, completion: 0.1 },
+    'ministral-3b': { prompt: 0.04, completion: 0.04 },
   },
   bedrockValues,
 );
@@ -139,6 +164,8 @@ const cacheTokenValues = {
   'claude-3.5-haiku': { write: 1, read: 0.08 },
   'claude-3-5-haiku': { write: 1, read: 0.08 },
   'claude-3-haiku': { write: 0.3, read: 0.03 },
+  'claude-sonnet-4': { write: 3.75, read: 0.3 },
+  'claude-opus-4': { write: 18.75, read: 1.5 },
 };
 
 /**
@@ -162,6 +189,14 @@ const getValueKey = (model, endpoint) => {
     return 'gpt-3.5-turbo-1106';
   } else if (modelName.includes('gpt-3.5')) {
     return '4k';
+  } else if (modelName.includes('o4-mini')) {
+    return 'o4-mini';
+  } else if (modelName.includes('o4')) {
+    return 'o4';
+  } else if (modelName.includes('o3-mini')) {
+    return 'o3-mini';
+  } else if (modelName.includes('o3')) {
+    return 'o3';
   } else if (modelName.includes('o1-preview')) {
     return 'o1-preview';
   } else if (modelName.includes('o1-mini')) {
@@ -170,6 +205,12 @@ const getValueKey = (model, endpoint) => {
     return 'o1';
   } else if (modelName.includes('gpt-4.5')) {
     return 'gpt-4.5';
+  } else if (modelName.includes('gpt-4.1-nano')) {
+    return 'gpt-4.1-nano';
+  } else if (modelName.includes('gpt-4.1-mini')) {
+    return 'gpt-4.1-mini';
+  } else if (modelName.includes('gpt-4.1')) {
+    return 'gpt-4.1';
   } else if (modelName.includes('gpt-4o-2024-05-13')) {
     return 'gpt-4o-2024-05-13';
   } else if (modelName.includes('gpt-4o-mini')) {

api/models/tx.spec.js

@@ -60,6 +60,30 @@ describe('getValueKey', () => {
     expect(getValueKey('gpt-4.5-0125')).toBe('gpt-4.5');
   });
 
+  it('should return "gpt-4.1" for model type of "gpt-4.1"', () => {
+    expect(getValueKey('gpt-4.1-preview')).toBe('gpt-4.1');
+    expect(getValueKey('gpt-4.1-2024-08-06')).toBe('gpt-4.1');
+    expect(getValueKey('gpt-4.1-2024-08-06-0718')).toBe('gpt-4.1');
+    expect(getValueKey('openai/gpt-4.1')).toBe('gpt-4.1');
+    expect(getValueKey('openai/gpt-4.1-2024-08-06')).toBe('gpt-4.1');
+    expect(getValueKey('gpt-4.1-turbo')).toBe('gpt-4.1');
+    expect(getValueKey('gpt-4.1-0125')).toBe('gpt-4.1');
+  });
+
+  it('should return "gpt-4.1-mini" for model type of "gpt-4.1-mini"', () => {
+    expect(getValueKey('gpt-4.1-mini-preview')).toBe('gpt-4.1-mini');
+    expect(getValueKey('gpt-4.1-mini-2024-08-06')).toBe('gpt-4.1-mini');
+    expect(getValueKey('openai/gpt-4.1-mini')).toBe('gpt-4.1-mini');
+    expect(getValueKey('gpt-4.1-mini-0125')).toBe('gpt-4.1-mini');
+  });
+
+  it('should return "gpt-4.1-nano" for model type of "gpt-4.1-nano"', () => {
+    expect(getValueKey('gpt-4.1-nano-preview')).toBe('gpt-4.1-nano');
+    expect(getValueKey('gpt-4.1-nano-2024-08-06')).toBe('gpt-4.1-nano');
+    expect(getValueKey('openai/gpt-4.1-nano')).toBe('gpt-4.1-nano');
+    expect(getValueKey('gpt-4.1-nano-0125')).toBe('gpt-4.1-nano');
+  });
+
   it('should return "gpt-4o" for model type of "gpt-4o"', () => {
     expect(getValueKey('gpt-4o-2024-08-06')).toBe('gpt-4o');
     expect(getValueKey('gpt-4o-2024-08-06-0718')).toBe('gpt-4o');
@@ -141,6 +165,15 @@ describe('getMultiplier', () => {
     );
   });
 
+  it('should return correct multipliers for o4-mini and o3', () => {
+    ['o4-mini', 'o3'].forEach((model) => {
+      const prompt = getMultiplier({ model, tokenType: 'prompt' });
+      const completion = getMultiplier({ model, tokenType: 'completion' });
+      expect(prompt).toBe(tokenValues[model].prompt);
+      expect(completion).toBe(tokenValues[model].completion);
+    });
+  });
+
   it('should return defaultRate if tokenType is provided but not found in tokenValues', () => {
     expect(getMultiplier({ valueKey: '8k', tokenType: 'unknownType' })).toBe(defaultRate);
   });
@@ -185,6 +218,52 @@ describe('getMultiplier', () => {
     );
   });
 
+  it('should return the correct multiplier for gpt-4.1', () => {
+    const valueKey = getValueKey('gpt-4.1-2024-08-06');
+    expect(getMultiplier({ valueKey, tokenType: 'prompt' })).toBe(tokenValues['gpt-4.1'].prompt);
+    expect(getMultiplier({ valueKey, tokenType: 'completion' })).toBe(
+      tokenValues['gpt-4.1'].completion,
+    );
+    expect(getMultiplier({ model: 'gpt-4.1-preview', tokenType: 'prompt' })).toBe(
+      tokenValues['gpt-4.1'].prompt,
+    );
+    expect(getMultiplier({ model: 'openai/gpt-4.1', tokenType: 'completion' })).toBe(
+      tokenValues['gpt-4.1'].completion,
+    );
+  });
+
+  it('should return the correct multiplier for gpt-4.1-mini', () => {
+    const valueKey = getValueKey('gpt-4.1-mini-2024-08-06');
+    expect(getMultiplier({ valueKey, tokenType: 'prompt' })).toBe(
+      tokenValues['gpt-4.1-mini'].prompt,
+    );
+    expect(getMultiplier({ valueKey, tokenType: 'completion' })).toBe(
+      tokenValues['gpt-4.1-mini'].completion,
+    );
+    expect(getMultiplier({ model: 'gpt-4.1-mini-preview', tokenType: 'prompt' })).toBe(
+      tokenValues['gpt-4.1-mini'].prompt,
+    );
+    expect(getMultiplier({ model: 'openai/gpt-4.1-mini', tokenType: 'completion' })).toBe(
+      tokenValues['gpt-4.1-mini'].completion,
+    );
+  });
+
+  it('should return the correct multiplier for gpt-4.1-nano', () => {
+    const valueKey = getValueKey('gpt-4.1-nano-2024-08-06');
+    expect(getMultiplier({ valueKey, tokenType: 'prompt' })).toBe(
+      tokenValues['gpt-4.1-nano'].prompt,
+    );
+    expect(getMultiplier({ valueKey, tokenType: 'completion' })).toBe(
+      tokenValues['gpt-4.1-nano'].completion,
+    );
+    expect(getMultiplier({ model: 'gpt-4.1-nano-preview', tokenType: 'prompt' })).toBe(
+      tokenValues['gpt-4.1-nano'].prompt,
+    );
+    expect(getMultiplier({ model: 'openai/gpt-4.1-nano', tokenType: 'completion' })).toBe(
+      tokenValues['gpt-4.1-nano'].completion,
+    );
+  });
+
   it('should return the correct multiplier for gpt-4o-mini', () => {
     const valueKey = getValueKey('gpt-4o-mini-2024-07-18');
     expect(getMultiplier({ valueKey, tokenType: 'prompt' })).toBe(
@@ -288,7 +367,7 @@ describe('AWS Bedrock Model Tests', () => {
 });
 
 describe('Deepseek Model Tests', () => {
-  const deepseekModels = ['deepseek-chat', 'deepseek-coder', 'deepseek-reasoner'];
+  const deepseekModels = ['deepseek-chat', 'deepseek-coder', 'deepseek-reasoner', 'deepseek.r1'];
 
   it('should return the correct prompt multipliers for all models', () => {
     const results = deepseekModels.map((model) => {
@@ -348,9 +427,11 @@ describe('getCacheMultiplier', () => {
 
   it('should derive the valueKey from the model if not provided', () => {
     expect(getCacheMultiplier({ cacheType: 'write', model: 'claude-3-5-sonnet-20240620' })).toBe(
-      3.75,
+      cacheTokenValues['claude-3-5-sonnet'].write,
+    );
+    expect(getCacheMultiplier({ cacheType: 'read', model: 'claude-3-haiku-20240307' })).toBe(
+      cacheTokenValues['claude-3-haiku'].read,
     );
-    expect(getCacheMultiplier({ cacheType: 'read', model: 'claude-3-haiku-20240307' })).toBe(0.03);
   });
 
   it('should return null if only model or cacheType is missing', () => {
@@ -371,10 +452,10 @@ describe('getCacheMultiplier', () => {
     };
     expect(
       getCacheMultiplier({ model: 'custom-model', cacheType: 'write', endpointTokenConfig }),
-    ).toBe(5);
+    ).toBe(endpointTokenConfig['custom-model'].write);
     expect(
       getCacheMultiplier({ model: 'custom-model', cacheType: 'read', endpointTokenConfig }),
-    ).toBe(1);
+    ).toBe(endpointTokenConfig['custom-model'].read);
   });
 
   it('should return null if model is not found in endpointTokenConfig', () => {
@@ -395,18 +476,21 @@ describe('getCacheMultiplier', () => {
         model: 'bedrock/anthropic.claude-3-5-sonnet-20240620-v1:0',
         cacheType: 'write',
       }),
-    ).toBe(3.75);
+    ).toBe(cacheTokenValues['claude-3-5-sonnet'].write);
     expect(
       getCacheMultiplier({
         model: 'bedrock/anthropic.claude-3-haiku-20240307-v1:0',
         cacheType: 'read',
       }),
-    ).toBe(0.03);
+    ).toBe(cacheTokenValues['claude-3-haiku'].read);
   });
 });
 
 describe('Google Model Tests', () => {
   const googleModels = [
+    'gemini-2.5-pro-preview-05-06',
+    'gemini-2.5-flash-preview-04-17',
+    'gemini-2.5-exp',
     'gemini-2.0-flash-lite-preview-02-05',
     'gemini-2.0-flash-001',
     'gemini-2.0-flash-exp',
@@ -444,6 +528,9 @@ describe('Google Model Tests', () => {
 
   it('should map to the correct model keys', () => {
     const expected = {
+      'gemini-2.5-pro-preview-05-06': 'gemini-2.5-pro',
+      'gemini-2.5-flash-preview-04-17': 'gemini-2.5-flash',
+      'gemini-2.5-exp': 'gemini-2.5',
       'gemini-2.0-flash-lite-preview-02-05': 'gemini-2.0-flash-lite',
       'gemini-2.0-flash-001': 'gemini-2.0-flash',
       'gemini-2.0-flash-exp': 'gemini-2.0-flash',
@@ -488,24 +575,186 @@ describe('Grok Model Tests - Pricing', () => {
     test('should return correct prompt and completion rates for Grok vision models', () => {
       const models = ['grok-2-vision-1212', 'grok-2-vision', 'grok-2-vision-latest'];
       models.forEach((model) => {
-        expect(getMultiplier({ model, tokenType: 'prompt' })).toBe(2.0);
-        expect(getMultiplier({ model, tokenType: 'completion' })).toBe(10.0);
+        expect(getMultiplier({ model, tokenType: 'prompt' })).toBe(
+          tokenValues['grok-2-vision'].prompt,
+        );
+        expect(getMultiplier({ model, tokenType: 'completion' })).toBe(
+          tokenValues['grok-2-vision'].completion,
+        );
       });
     });
 
     test('should return correct prompt and completion rates for Grok text models', () => {
       const models = ['grok-2-1212', 'grok-2', 'grok-2-latest'];
       models.forEach((model) => {
-        expect(getMultiplier({ model, tokenType: 'prompt' })).toBe(2.0);
-        expect(getMultiplier({ model, tokenType: 'completion' })).toBe(10.0);
+        expect(getMultiplier({ model, tokenType: 'prompt' })).toBe(tokenValues['grok-2'].prompt);
+        expect(getMultiplier({ model, tokenType: 'completion' })).toBe(
+          tokenValues['grok-2'].completion,
+        );
       });
     });
 
     test('should return correct prompt and completion rates for Grok beta models', () => {
-      expect(getMultiplier({ model: 'grok-vision-beta', tokenType: 'prompt' })).toBe(5.0);
-      expect(getMultiplier({ model: 'grok-vision-beta', tokenType: 'completion' })).toBe(15.0);
-      expect(getMultiplier({ model: 'grok-beta', tokenType: 'prompt' })).toBe(5.0);
-      expect(getMultiplier({ model: 'grok-beta', tokenType: 'completion' })).toBe(15.0);
+      expect(getMultiplier({ model: 'grok-vision-beta', tokenType: 'prompt' })).toBe(
+        tokenValues['grok-vision-beta'].prompt,
+      );
+      expect(getMultiplier({ model: 'grok-vision-beta', tokenType: 'completion' })).toBe(
+        tokenValues['grok-vision-beta'].completion,
+      );
+      expect(getMultiplier({ model: 'grok-beta', tokenType: 'prompt' })).toBe(
+        tokenValues['grok-beta'].prompt,
+      );
+      expect(getMultiplier({ model: 'grok-beta', tokenType: 'completion' })).toBe(
+        tokenValues['grok-beta'].completion,
+      );
+    });
+
+    test('should return correct prompt and completion rates for Grok 3 models', () => {
+      expect(getMultiplier({ model: 'grok-3', tokenType: 'prompt' })).toBe(
+        tokenValues['grok-3'].prompt,
+      );
+      expect(getMultiplier({ model: 'grok-3', tokenType: 'completion' })).toBe(
+        tokenValues['grok-3'].completion,
+      );
+      expect(getMultiplier({ model: 'grok-3-fast', tokenType: 'prompt' })).toBe(
+        tokenValues['grok-3-fast'].prompt,
+      );
+      expect(getMultiplier({ model: 'grok-3-fast', tokenType: 'completion' })).toBe(
+        tokenValues['grok-3-fast'].completion,
+      );
+      expect(getMultiplier({ model: 'grok-3-mini', tokenType: 'prompt' })).toBe(
+        tokenValues['grok-3-mini'].prompt,
+      );
+      expect(getMultiplier({ model: 'grok-3-mini', tokenType: 'completion' })).toBe(
+        tokenValues['grok-3-mini'].completion,
+      );
+      expect(getMultiplier({ model: 'grok-3-mini-fast', tokenType: 'prompt' })).toBe(
+        tokenValues['grok-3-mini-fast'].prompt,
+      );
+      expect(getMultiplier({ model: 'grok-3-mini-fast', tokenType: 'completion' })).toBe(
+        tokenValues['grok-3-mini-fast'].completion,
+      );
+    });
+
+    test('should return correct prompt and completion rates for Grok 3 models with prefixes', () => {
+      expect(getMultiplier({ model: 'xai/grok-3', tokenType: 'prompt' })).toBe(
+        tokenValues['grok-3'].prompt,
+      );
+      expect(getMultiplier({ model: 'xai/grok-3', tokenType: 'completion' })).toBe(
+        tokenValues['grok-3'].completion,
+      );
+      expect(getMultiplier({ model: 'xai/grok-3-fast', tokenType: 'prompt' })).toBe(
+        tokenValues['grok-3-fast'].prompt,
+      );
+      expect(getMultiplier({ model: 'xai/grok-3-fast', tokenType: 'completion' })).toBe(
+        tokenValues['grok-3-fast'].completion,
+      );
+      expect(getMultiplier({ model: 'xai/grok-3-mini', tokenType: 'prompt' })).toBe(
+        tokenValues['grok-3-mini'].prompt,
+      );
+      expect(getMultiplier({ model: 'xai/grok-3-mini', tokenType: 'completion' })).toBe(
+        tokenValues['grok-3-mini'].completion,
+      );
+      expect(getMultiplier({ model: 'xai/grok-3-mini-fast', tokenType: 'prompt' })).toBe(
+        tokenValues['grok-3-mini-fast'].prompt,
+      );
+      expect(getMultiplier({ model: 'xai/grok-3-mini-fast', tokenType: 'completion' })).toBe(
+        tokenValues['grok-3-mini-fast'].completion,
+      );
+    });
+  });
+});
+
+describe('Claude Model Tests', () => {
+  it('should return correct prompt and completion rates for Claude 4 models', () => {
+    expect(getMultiplier({ model: 'claude-sonnet-4', tokenType: 'prompt' })).toBe(
+      tokenValues['claude-sonnet-4'].prompt,
+    );
+    expect(getMultiplier({ model: 'claude-sonnet-4', tokenType: 'completion' })).toBe(
+      tokenValues['claude-sonnet-4'].completion,
+    );
+    expect(getMultiplier({ model: 'claude-opus-4', tokenType: 'prompt' })).toBe(
+      tokenValues['claude-opus-4'].prompt,
+    );
+    expect(getMultiplier({ model: 'claude-opus-4', tokenType: 'completion' })).toBe(
+      tokenValues['claude-opus-4'].completion,
+    );
+  });
+
+  it('should handle Claude 4 model name variations with different prefixes and suffixes', () => {
+    const modelVariations = [
+      'claude-sonnet-4',
+      'claude-sonnet-4-20240229',
+      'claude-sonnet-4-latest',
+      'anthropic/claude-sonnet-4',
+      'claude-sonnet-4/anthropic',
+      'claude-sonnet-4-preview',
+      'claude-sonnet-4-20240229-preview',
+      'claude-opus-4',
+      'claude-opus-4-20240229',
+      'claude-opus-4-latest',
+      'anthropic/claude-opus-4',
+      'claude-opus-4/anthropic',
+      'claude-opus-4-preview',
+      'claude-opus-4-20240229-preview',
+    ];
+
+    modelVariations.forEach((model) => {
+      const valueKey = getValueKey(model);
+      const isSonnet = model.includes('sonnet');
+      const expectedKey = isSonnet ? 'claude-sonnet-4' : 'claude-opus-4';
+
+      expect(valueKey).toBe(expectedKey);
+      expect(getMultiplier({ model, tokenType: 'prompt' })).toBe(tokenValues[expectedKey].prompt);
+      expect(getMultiplier({ model, tokenType: 'completion' })).toBe(
+        tokenValues[expectedKey].completion,
+      );
+    });
+  });
+
+  it('should return correct cache rates for Claude 4 models', () => {
+    expect(getCacheMultiplier({ model: 'claude-sonnet-4', cacheType: 'write' })).toBe(
+      cacheTokenValues['claude-sonnet-4'].write,
+    );
+    expect(getCacheMultiplier({ model: 'claude-sonnet-4', cacheType: 'read' })).toBe(
+      cacheTokenValues['claude-sonnet-4'].read,
+    );
+    expect(getCacheMultiplier({ model: 'claude-opus-4', cacheType: 'write' })).toBe(
+      cacheTokenValues['claude-opus-4'].write,
+    );
+    expect(getCacheMultiplier({ model: 'claude-opus-4', cacheType: 'read' })).toBe(
+      cacheTokenValues['claude-opus-4'].read,
+    );
+  });
+
+  it('should handle Claude 4 model cache rates with different prefixes and suffixes', () => {
+    const modelVariations = [
+      'claude-sonnet-4',
+      'claude-sonnet-4-20240229',
+      'claude-sonnet-4-latest',
+      'anthropic/claude-sonnet-4',
+      'claude-sonnet-4/anthropic',
+      'claude-sonnet-4-preview',
+      'claude-sonnet-4-20240229-preview',
+      'claude-opus-4',
+      'claude-opus-4-20240229',
+      'claude-opus-4-latest',
+      'anthropic/claude-opus-4',
+      'claude-opus-4/anthropic',
+      'claude-opus-4-preview',
+      'claude-opus-4-20240229-preview',
+    ];
+
+    modelVariations.forEach((model) => {
+      const isSonnet = model.includes('sonnet');
+      const expectedKey = isSonnet ? 'claude-sonnet-4' : 'claude-opus-4';
+
+      expect(getCacheMultiplier({ model, cacheType: 'write' })).toBe(
+        cacheTokenValues[expectedKey].write,
+      );
+      expect(getCacheMultiplier({ model, cacheType: 'read' })).toBe(
+        cacheTokenValues[expectedKey].read,
+      );
     });
   });
 });

api/models/userMethods.js

@@ -1,6 +1,6 @@
 const bcrypt = require('bcryptjs');
+const { getBalanceConfig } = require('~/server/services/Config');
 const signPayload = require('~/server/services/signPayload');
-const { isEnabled } = require('~/server/utils/handleText');
 const Balance = require('./Balance');
 const User = require('./User');
 
@@ -13,11 +13,9 @@ const User = require('./User');
  */
 const getUserById = async function (userId, fieldsToSelect = null) {
   const query = User.findById(userId);
-
   if (fieldsToSelect) {
     query.select(fieldsToSelect);
   }
-
   return await query.lean();
 };
 
@@ -32,7 +30,6 @@ const findUser = async function (searchCriteria, fieldsToSelect = null) {
   if (fieldsToSelect) {
     query.select(fieldsToSelect);
   }
-
   return await query.lean();
 };
 
@@ -58,11 +55,12 @@ const updateUser = async function (userId, updateData) {
  * Creates a new user, optionally with a TTL of 1 week.
  * @param {MongoUser} data - The user data to be created, must contain user_id.
  * @param {boolean} [disableTTL=true] - Whether to disable the TTL. Defaults to `true`.
- * @param {boolean} [returnUser=false] - Whether to disable the TTL. Defaults to `true`.
- * @returns {Promise<ObjectId>} A promise that resolves to the created user document ID.
+ * @param {boolean} [returnUser=false] - Whether to return the created user object.
+ * @returns {Promise<ObjectId|MongoUser>} A promise that resolves to the created user document ID or user object.
  * @throws {Error} If a user with the same user_id already exists.
  */
 const createUser = async (data, disableTTL = true, returnUser = false) => {
+  const balance = await getBalanceConfig();
   const userData = {
     ...data,
     expiresAt: disableTTL ? null : new Date(Date.now() + 604800 * 1000), // 1 week in milliseconds
@@ -74,13 +72,27 @@ const createUser = async (data, disableTTL = true, returnUser = false) => {
 
   const user = await User.create(userData);
 
-  if (isEnabled(process.env.CHECK_BALANCE) && process.env.START_BALANCE) {
-    let incrementValue = parseInt(process.env.START_BALANCE);
-    await Balance.findOneAndUpdate(
-      { user: user._id },
-      { $inc: { tokenCredits: incrementValue } },
-      { upsert: true, new: true },
-    ).lean();
+  // If balance is enabled, create or update a balance record for the user using global.interfaceConfig.balance
+  if (balance?.enabled && balance?.startBalance) {
+    const update = {
+      $inc: { tokenCredits: balance.startBalance },
+    };
+
+    if (
+      balance.autoRefillEnabled &&
+      balance.refillIntervalValue != null &&
+      balance.refillIntervalUnit != null &&
+      balance.refillAmount != null
+    ) {
+      update.$set = {
+        autoRefillEnabled: true,
+        refillIntervalValue: balance.refillIntervalValue,
+        refillIntervalUnit: balance.refillIntervalUnit,
+        refillAmount: balance.refillAmount,
+      };
+    }
+
+    await Balance.findOneAndUpdate({ user: user._id }, update, { upsert: true, new: true }).lean();
   }
 
   if (returnUser) {
@@ -123,7 +135,7 @@ const expires = eval(SESSION_EXPIRY) ?? 1000 * 60 * 15;
 /**
  * Generates a JWT token for a given user.
  *
- * @param {MongoUser} user - ID of the user for whom the token is being generated.
+ * @param {MongoUser} user - The user for whom the token is being generated.
  * @returns {Promise<string>} A promise that resolves to a JWT token.
  */
 const generateToken = async (user) => {
@@ -146,7 +158,7 @@ const generateToken = async (user) => {
 /**
  * Compares the provided password with the user's password.
  *
- * @param {MongoUser} user - the user to compare password for.
+ * @param {MongoUser} user - The user to compare the password for.
  * @param {string} candidatePassword - The password to test against the user's password.
  * @returns {Promise<boolean>} A promise that resolves to a boolean indicating if the password matches.
  */

api/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@librechat/backend",
-  "version": "v0.7.7",
+  "version": "v0.7.8",
   "description": "",
   "scripts": {
     "start": "echo 'please run this from the root directory'",
@@ -35,18 +35,22 @@
   "homepage": "https://librechat.ai",
   "dependencies": {
     "@anthropic-ai/sdk": "^0.37.0",
+    "@aws-sdk/client-s3": "^3.758.0",
+    "@aws-sdk/s3-request-presigner": "^3.758.0",
+    "@azure/identity": "^4.7.0",
     "@azure/search-documents": "^12.0.0",
+    "@azure/storage-blob": "^12.27.0",
     "@google/generative-ai": "^0.23.0",
     "@googleapis/youtube": "^20.0.0",
-    "@keyv/mongo": "^2.1.8",
-    "@keyv/redis": "^2.8.1",
-    "@langchain/community": "^0.3.34",
-    "@langchain/core": "^0.3.40",
-    "@langchain/google-genai": "^0.1.9",
-    "@langchain/google-vertexai": "^0.2.0",
+    "@keyv/redis": "^4.3.3",
+    "@langchain/community": "^0.3.44",
+    "@langchain/core": "^0.3.57",
+    "@langchain/google-genai": "^0.2.9",
+    "@langchain/google-vertexai": "^0.2.9",
     "@langchain/textsplitters": "^0.1.0",
-    "@librechat/agents": "^2.2.0",
+    "@librechat/agents": "^2.4.37",
     "@librechat/data-schemas": "*",
+    "@node-saml/passport-saml": "^5.0.0",
     "@waylaidwanderer/fetch-event-source": "^3.0.1",
     "axios": "^1.8.2",
     "bcryptjs": "^2.4.3",
@@ -72,8 +76,9 @@
     "ioredis": "^5.3.2",
     "js-yaml": "^4.1.0",
     "jsonwebtoken": "^9.0.0",
-    "keyv": "^4.5.4",
-    "keyv-file": "^0.2.0",
+    "jwks-rsa": "^3.2.0",
+    "keyv": "^5.3.2",
+    "keyv-file": "^5.1.2",
     "klona": "^2.0.6",
     "librechat-data-provider": "*",
     "librechat-mcp": "*",
@@ -83,13 +88,13 @@
     "mime": "^3.0.0",
     "module-alias": "^2.2.3",
     "mongoose": "^8.12.1",
-    "multer": "^1.4.5-lts.1",
+    "multer": "^2.0.0",
     "nanoid": "^3.3.7",
     "nodemailer": "^6.9.15",
     "ollama": "^0.5.0",
-    "openai": "^4.47.1",
+    "openai": "^4.96.2",
     "openai-chat-tokens": "^0.2.8",
-    "openid-client": "^5.4.2",
+    "openid-client": "^6.5.0",
     "passport": "^0.6.0",
     "passport-apple": "^2.0.2",
     "passport-discord": "^0.1.4",
@@ -99,7 +104,8 @@
     "passport-jwt": "^4.0.1",
     "passport-ldapauth": "^3.0.1",
     "passport-local": "^1.0.0",
-    "sharp": "^0.32.6",
+    "rate-limit-redis": "^4.2.0",
+    "sharp": "^0.33.5",
     "tiktoken": "^1.0.15",
     "traverse": "^0.6.7",
     "ua-parser-js": "^1.0.36",
@@ -112,6 +118,6 @@
     "jest": "^29.7.0",
     "mongodb-memory-server": "^10.1.3",
     "nodemon": "^3.0.3",
-    "supertest": "^7.0.0"
+    "supertest": "^7.1.0"
   }
 }

api/server/cleanup.js

@@ -0,0 +1,384 @@
+const { logger } = require('~/config');
+
+// WeakMap to hold temporary data associated with requests
+const requestDataMap = new WeakMap();
+
+const FinalizationRegistry = global.FinalizationRegistry || null;
+
+/**
+ * FinalizationRegistry to clean up client objects when they are garbage collected.
+ * This is used to prevent memory leaks and ensure that client objects are
+ * properly disposed of when they are no longer needed.
+ * The registry holds a weak reference to the client object and a cleanup
+ * callback that is called when the client object is garbage collected.
+ * The callback can be used to perform any necessary cleanup operations,
+ * such as removing event listeners or freeing up resources.
+ */
+const clientRegistry = FinalizationRegistry
+  ? new FinalizationRegistry((heldValue) => {
+      try {
+        // This will run when the client is garbage collected
+        if (heldValue && heldValue.userId) {
+          logger.debug(`[FinalizationRegistry] Cleaning up client for user ${heldValue.userId}`);
+        } else {
+          logger.debug('[FinalizationRegistry] Cleaning up client');
+        }
+      } catch (e) {
+        // Ignore errors
+      }
+    })
+  : null;
+
+/**
+ * Cleans up the client object by removing references to its properties.
+ * This is useful for preventing memory leaks and ensuring that the client
+ * and its properties can be garbage collected when it is no longer needed.
+ */
+function disposeClient(client) {
+  if (!client) {
+    return;
+  }
+
+  try {
+    if (client.user) {
+      client.user = null;
+    }
+    if (client.apiKey) {
+      client.apiKey = null;
+    }
+    if (client.azure) {
+      client.azure = null;
+    }
+    if (client.conversationId) {
+      client.conversationId = null;
+    }
+    if (client.responseMessageId) {
+      client.responseMessageId = null;
+    }
+    if (client.message_file_map) {
+      client.message_file_map = null;
+    }
+    if (client.clientName) {
+      client.clientName = null;
+    }
+    if (client.sender) {
+      client.sender = null;
+    }
+    if (client.model) {
+      client.model = null;
+    }
+    if (client.maxContextTokens) {
+      client.maxContextTokens = null;
+    }
+    if (client.contextStrategy) {
+      client.contextStrategy = null;
+    }
+    if (client.currentDateString) {
+      client.currentDateString = null;
+    }
+    if (client.inputTokensKey) {
+      client.inputTokensKey = null;
+    }
+    if (client.outputTokensKey) {
+      client.outputTokensKey = null;
+    }
+    if (client.skipSaveUserMessage !== undefined) {
+      client.skipSaveUserMessage = null;
+    }
+    if (client.visionMode) {
+      client.visionMode = null;
+    }
+    if (client.continued !== undefined) {
+      client.continued = null;
+    }
+    if (client.fetchedConvo !== undefined) {
+      client.fetchedConvo = null;
+    }
+    if (client.previous_summary) {
+      client.previous_summary = null;
+    }
+    if (client.metadata) {
+      client.metadata = null;
+    }
+    if (client.isVisionModel) {
+      client.isVisionModel = null;
+    }
+    if (client.isChatCompletion !== undefined) {
+      client.isChatCompletion = null;
+    }
+    if (client.contextHandlers) {
+      client.contextHandlers = null;
+    }
+    if (client.augmentedPrompt) {
+      client.augmentedPrompt = null;
+    }
+    if (client.systemMessage) {
+      client.systemMessage = null;
+    }
+    if (client.azureEndpoint) {
+      client.azureEndpoint = null;
+    }
+    if (client.langchainProxy) {
+      client.langchainProxy = null;
+    }
+    if (client.isOmni !== undefined) {
+      client.isOmni = null;
+    }
+    if (client.runManager) {
+      client.runManager = null;
+    }
+    // Properties specific to AnthropicClient
+    if (client.message_start) {
+      client.message_start = null;
+    }
+    if (client.message_delta) {
+      client.message_delta = null;
+    }
+    if (client.isClaudeLatest !== undefined) {
+      client.isClaudeLatest = null;
+    }
+    if (client.useMessages !== undefined) {
+      client.useMessages = null;
+    }
+    if (client.supportsCacheControl !== undefined) {
+      client.supportsCacheControl = null;
+    }
+    // Properties specific to GoogleClient
+    if (client.serviceKey) {
+      client.serviceKey = null;
+    }
+    if (client.project_id) {
+      client.project_id = null;
+    }
+    if (client.client_email) {
+      client.client_email = null;
+    }
+    if (client.private_key) {
+      client.private_key = null;
+    }
+    if (client.access_token) {
+      client.access_token = null;
+    }
+    if (client.reverseProxyUrl) {
+      client.reverseProxyUrl = null;
+    }
+    if (client.authHeader) {
+      client.authHeader = null;
+    }
+    if (client.isGenerativeModel !== undefined) {
+      client.isGenerativeModel = null;
+    }
+    // Properties specific to OpenAIClient
+    if (client.ChatGPTClient) {
+      client.ChatGPTClient = null;
+    }
+    if (client.completionsUrl) {
+      client.completionsUrl = null;
+    }
+    if (client.shouldSummarize !== undefined) {
+      client.shouldSummarize = null;
+    }
+    if (client.isOllama !== undefined) {
+      client.isOllama = null;
+    }
+    if (client.FORCE_PROMPT !== undefined) {
+      client.FORCE_PROMPT = null;
+    }
+    if (client.isChatGptModel !== undefined) {
+      client.isChatGptModel = null;
+    }
+    if (client.isUnofficialChatGptModel !== undefined) {
+      client.isUnofficialChatGptModel = null;
+    }
+    if (client.useOpenRouter !== undefined) {
+      client.useOpenRouter = null;
+    }
+    if (client.startToken) {
+      client.startToken = null;
+    }
+    if (client.endToken) {
+      client.endToken = null;
+    }
+    if (client.userLabel) {
+      client.userLabel = null;
+    }
+    if (client.chatGptLabel) {
+      client.chatGptLabel = null;
+    }
+    if (client.modelLabel) {
+      client.modelLabel = null;
+    }
+    if (client.modelOptions) {
+      client.modelOptions = null;
+    }
+    if (client.defaultVisionModel) {
+      client.defaultVisionModel = null;
+    }
+    if (client.maxPromptTokens) {
+      client.maxPromptTokens = null;
+    }
+    if (client.maxResponseTokens) {
+      client.maxResponseTokens = null;
+    }
+    if (client.run) {
+      // Break circular references in run
+      if (client.run.Graph) {
+        client.run.Graph.resetValues();
+        client.run.Graph.handlerRegistry = null;
+        client.run.Graph.runId = null;
+        client.run.Graph.tools = null;
+        client.run.Graph.signal = null;
+        client.run.Graph.config = null;
+        client.run.Graph.toolEnd = null;
+        client.run.Graph.toolMap = null;
+        client.run.Graph.provider = null;
+        client.run.Graph.streamBuffer = null;
+        client.run.Graph.clientOptions = null;
+        client.run.Graph.graphState = null;
+        if (client.run.Graph.boundModel?.client) {
+          client.run.Graph.boundModel.client = null;
+        }
+        client.run.Graph.boundModel = null;
+        client.run.Graph.systemMessage = null;
+        client.run.Graph.reasoningKey = null;
+        client.run.Graph.messages = null;
+        client.run.Graph.contentData = null;
+        client.run.Graph.stepKeyIds = null;
+        client.run.Graph.contentIndexMap = null;
+        client.run.Graph.toolCallStepIds = null;
+        client.run.Graph.messageIdsByStepKey = null;
+        client.run.Graph.messageStepHasToolCalls = null;
+        client.run.Graph.prelimMessageIdsByStepKey = null;
+        client.run.Graph.currentTokenType = null;
+        client.run.Graph.lastToken = null;
+        client.run.Graph.tokenTypeSwitch = null;
+        client.run.Graph.indexTokenCountMap = null;
+        client.run.Graph.currentUsage = null;
+        client.run.Graph.tokenCounter = null;
+        client.run.Graph.maxContextTokens = null;
+        client.run.Graph.pruneMessages = null;
+        client.run.Graph.lastStreamCall = null;
+        client.run.Graph.startIndex = null;
+        client.run.Graph = null;
+      }
+      if (client.run.handlerRegistry) {
+        client.run.handlerRegistry = null;
+      }
+      if (client.run.graphRunnable) {
+        if (client.run.graphRunnable.channels) {
+          client.run.graphRunnable.channels = null;
+        }
+        if (client.run.graphRunnable.nodes) {
+          client.run.graphRunnable.nodes = null;
+        }
+        if (client.run.graphRunnable.lc_kwargs) {
+          client.run.graphRunnable.lc_kwargs = null;
+        }
+        if (client.run.graphRunnable.builder?.nodes) {
+          client.run.graphRunnable.builder.nodes = null;
+          client.run.graphRunnable.builder = null;
+        }
+        client.run.graphRunnable = null;
+      }
+      client.run = null;
+    }
+    if (client.sendMessage) {
+      client.sendMessage = null;
+    }
+    if (client.savedMessageIds) {
+      client.savedMessageIds.clear();
+      client.savedMessageIds = null;
+    }
+    if (client.currentMessages) {
+      client.currentMessages = null;
+    }
+    if (client.streamHandler) {
+      client.streamHandler = null;
+    }
+    if (client.contentParts) {
+      client.contentParts = null;
+    }
+    if (client.abortController) {
+      client.abortController = null;
+    }
+    if (client.collectedUsage) {
+      client.collectedUsage = null;
+    }
+    if (client.indexTokenCountMap) {
+      client.indexTokenCountMap = null;
+    }
+    if (client.agentConfigs) {
+      client.agentConfigs = null;
+    }
+    if (client.artifactPromises) {
+      client.artifactPromises = null;
+    }
+    if (client.usage) {
+      client.usage = null;
+    }
+    if (typeof client.dispose === 'function') {
+      client.dispose();
+    }
+    if (client.options) {
+      if (client.options.req) {
+        client.options.req = null;
+      }
+      if (client.options.res) {
+        client.options.res = null;
+      }
+      if (client.options.attachments) {
+        client.options.attachments = null;
+      }
+      if (client.options.agent) {
+        client.options.agent = null;
+      }
+    }
+    client.options = null;
+  } catch (e) {
+    // Ignore errors during disposal
+  }
+}
+
+function processReqData(data = {}, context) {
+  let {
+    abortKey,
+    userMessage,
+    userMessagePromise,
+    responseMessageId,
+    promptTokens,
+    conversationId,
+    userMessageId,
+  } = context;
+  for (const key in data) {
+    if (key === 'userMessage') {
+      userMessage = data[key];
+      userMessageId = data[key].messageId;
+    } else if (key === 'userMessagePromise') {
+      userMessagePromise = data[key];
+    } else if (key === 'responseMessageId') {
+      responseMessageId = data[key];
+    } else if (key === 'promptTokens') {
+      promptTokens = data[key];
+    } else if (key === 'abortKey') {
+      abortKey = data[key];
+    } else if (!conversationId && key === 'conversationId') {
+      conversationId = data[key];
+    }
+  }
+  return {
+    abortKey,
+    userMessage,
+    userMessagePromise,
+    responseMessageId,
+    promptTokens,
+    conversationId,
+    userMessageId,
+  };
+}
+
+module.exports = {
+  disposeClient,
+  requestDataMap,
+  clientRegistry,
+  processReqData,
+};

api/server/controllers/AskController.js

@@ -1,5 +1,15 @@
 const { getResponseSender, Constants } = require('librechat-data-provider');
-const { createAbortController, handleAbortError } = require('~/server/middleware');
+const {
+  handleAbortError,
+  createAbortController,
+  cleanupAbortController,
+} = require('~/server/middleware');
+const {
+  disposeClient,
+  processReqData,
+  clientRegistry,
+  requestDataMap,
+} = require('~/server/cleanup');
 const { sendMessage, createOnProgress } = require('~/server/utils');
 const { saveMessage } = require('~/models');
 const { logger } = require('~/config');
@@ -14,90 +24,162 @@ const AskController = async (req, res, next, initializeClient, addTitle) => {
     overrideParentMessageId = null,
   } = req.body;
 
+  let client = null;
+  let abortKey = null;
+  let cleanupHandlers = [];
+  let clientRef = null;
+
   logger.debug('[AskController]', {
     text,
     conversationId,
     ...endpointOption,
-    modelsConfig: endpointOption.modelsConfig ? 'exists' : '',
+    modelsConfig: endpointOption?.modelsConfig ? 'exists' : '',
   });
 
-  let userMessage;
-  let userMessagePromise;
-  let promptTokens;
-  let userMessageId;
-  let responseMessageId;
+  let userMessage = null;
+  let userMessagePromise = null;
+  let promptTokens = null;
+  let userMessageId = null;
+  let responseMessageId = null;
+  let getAbortData = null;
+
   const sender = getResponseSender({
     ...endpointOption,
     model: endpointOption.modelOptions.model,
     modelDisplayLabel,
   });
-  const newConvo = !conversationId;
-  const user = req.user.id;
+  const initialConversationId = conversationId;
+  const newConvo = !initialConversationId;
+  const userId = req.user.id;
 
-  const getReqData = (data = {}) => {
-    for (let key in data) {
-      if (key === 'userMessage') {
-        userMessage = data[key];
-        userMessageId = data[key].messageId;
-      } else if (key === 'userMessagePromise') {
-        userMessagePromise = data[key];
-      } else if (key === 'responseMessageId') {
-        responseMessageId = data[key];
-      } else if (key === 'promptTokens') {
-        promptTokens = data[key];
-      } else if (!conversationId && key === 'conversationId') {
-        conversationId = data[key];
-      }
-    }
+  let reqDataContext = {
+    userMessage,
+    userMessagePromise,
+    responseMessageId,
+    promptTokens,
+    conversationId,
+    userMessageId,
   };
 
-  let getText;
+  const updateReqData = (data = {}) => {
+    reqDataContext = processReqData(data, reqDataContext);
+    abortKey = reqDataContext.abortKey;
+    userMessage = reqDataContext.userMessage;
+    userMessagePromise = reqDataContext.userMessagePromise;
+    responseMessageId = reqDataContext.responseMessageId;
+    promptTokens = reqDataContext.promptTokens;
+    conversationId = reqDataContext.conversationId;
+    userMessageId = reqDataContext.userMessageId;
+  };
+
+  let { onProgress: progressCallback, getPartialText } = createOnProgress();
+
+  const performCleanup = () => {
+    logger.debug('[AskController] Performing cleanup');
+    if (Array.isArray(cleanupHandlers)) {
+      for (const handler of cleanupHandlers) {
+        try {
+          if (typeof handler === 'function') {
+            handler();
+          }
+        } catch (e) {
+          // Ignore
+        }
+      }
+    }
+
+    if (abortKey) {
+      logger.debug('[AskController] Cleaning up abort controller');
+      cleanupAbortController(abortKey);
+      abortKey = null;
+    }
+
+    if (client) {
+      disposeClient(client);
+      client = null;
+    }
+
+    reqDataContext = null;
+    userMessage = null;
+    userMessagePromise = null;
+    promptTokens = null;
+    getAbortData = null;
+    progressCallback = null;
+    endpointOption = null;
+    cleanupHandlers = null;
+    addTitle = null;
+
+    if (requestDataMap.has(req)) {
+      requestDataMap.delete(req);
+    }
+    logger.debug('[AskController] Cleanup completed');
+  };
 
   try {
-    const { client } = await initializeClient({ req, res, endpointOption });
-    const { onProgress: progressCallback, getPartialText } = createOnProgress();
+    ({ client } = await initializeClient({ req, res, endpointOption }));
+    if (clientRegistry && client) {
+      clientRegistry.register(client, { userId }, client);
+    }
 
-    getText = client.getStreamText != null ? client.getStreamText.bind(client) : getPartialText;
+    if (client) {
+      requestDataMap.set(req, { client });
+    }
 
-    const getAbortData = () => ({
-      sender,
-      conversationId,
-      userMessagePromise,
-      messageId: responseMessageId,
-      parentMessageId: overrideParentMessageId ?? userMessageId,
-      text: getText(),
-      userMessage,
-      promptTokens,
-    });
+    clientRef = new WeakRef(client);
 
-    const { abortController, onStart } = createAbortController(req, res, getAbortData, getReqData);
+    getAbortData = () => {
+      const currentClient = clientRef?.deref();
+      const currentText =
+        currentClient?.getStreamText != null ? currentClient.getStreamText() : getPartialText();
 
-    res.on('close', () => {
+      return {
+        sender,
+        conversationId,
+        messageId: reqDataContext.responseMessageId,
+        parentMessageId: overrideParentMessageId ?? userMessageId,
+        text: currentText,
+        userMessage: userMessage,
+        userMessagePromise: userMessagePromise,
+        promptTokens: reqDataContext.promptTokens,
+      };
+    };
+
+    const { onStart, abortController } = createAbortController(
+      req,
+      res,
+      getAbortData,
+      updateReqData,
+    );
+
+    const closeHandler = () => {
       logger.debug('[AskController] Request closed');
-      if (!abortController) {
-        return;
-      } else if (abortController.signal.aborted) {
-        return;
-      } else if (abortController.requestCompleted) {
+      if (!abortController || abortController.signal.aborted || abortController.requestCompleted) {
         return;
       }
-
       abortController.abort();
       logger.debug('[AskController] Request aborted on close');
+    };
+
+    res.on('close', closeHandler);
+    cleanupHandlers.push(() => {
+      try {
+        res.removeListener('close', closeHandler);
+      } catch (e) {
+        // Ignore
+      }
     });
 
     const messageOptions = {
-      user,
+      user: userId,
       parentMessageId,
-      conversationId,
+      conversationId: reqDataContext.conversationId,
       overrideParentMessageId,
-      getReqData,
+      getReqData: updateReqData,
       onStart,
       abortController,
       progressCallback,
       progressOptions: {
         res,
-        // parentMessageId: overrideParentMessageId || userMessageId,
       },
     };
 
@@ -105,59 +187,95 @@ const AskController = async (req, res, next, initializeClient, addTitle) => {
     let response = await client.sendMessage(text, messageOptions);
     response.endpoint = endpointOption.endpoint;
 
-    const { conversation = {} } = await client.responsePromise;
+    const databasePromise = response.databasePromise;
+    delete response.databasePromise;
+
+    const { conversation: convoData = {} } = await databasePromise;
+    const conversation = { ...convoData };
     conversation.title =
       conversation && !conversation.title ? null : conversation?.title || 'New Chat';
 
-    if (client.options.attachments) {
-      userMessage.files = client.options.attachments;
-      conversation.model = endpointOption.modelOptions.model;
-      delete userMessage.image_urls;
+    const latestUserMessage = reqDataContext.userMessage;
+
+    if (client?.options?.attachments && latestUserMessage) {
+      latestUserMessage.files = client.options.attachments;
+      if (endpointOption?.modelOptions?.model) {
+        conversation.model = endpointOption.modelOptions.model;
+      }
+      delete latestUserMessage.image_urls;
     }
 
     if (!abortController.signal.aborted) {
+      const finalResponseMessage = { ...response };
+
       sendMessage(res, {
         final: true,
         conversation,
         title: conversation.title,
-        requestMessage: userMessage,
-        responseMessage: response,
+        requestMessage: latestUserMessage,
+        responseMessage: finalResponseMessage,
       });
       res.end();
 
-      if (!client.savedMessageIds.has(response.messageId)) {
+      if (client?.savedMessageIds && !client.savedMessageIds.has(response.messageId)) {
         await saveMessage(
           req,
-          { ...response, user },
+          { ...finalResponseMessage, user: userId },
           { context: 'api/server/controllers/AskController.js - response end' },
         );
       }
     }
 
-    if (!client.skipSaveUserMessage) {
-      await saveMessage(req, userMessage, {
-        context: 'api/server/controllers/AskController.js - don\'t skip saving user message',
+    if (!client?.skipSaveUserMessage && latestUserMessage) {
+      await saveMessage(req, latestUserMessage, {
+        context: "api/server/controllers/AskController.js - don't skip saving user message",
       });
     }
 
-    if (addTitle && parentMessageId === Constants.NO_PARENT && newConvo) {
+    if (typeof addTitle === 'function' && parentMessageId === Constants.NO_PARENT && newConvo) {
       addTitle(req, {
         text,
-        response,
+        response: { ...response },
         client,
-      });
+      })
+        .then(() => {
+          logger.debug('[AskController] Title generation started');
+        })
+        .catch((err) => {
+          logger.error('[AskController] Error in title generation', err);
+        })
+        .finally(() => {
+          logger.debug('[AskController] Title generation completed');
+          performCleanup();
+        });
+    } else {
+      performCleanup();
     }
   } catch (error) {
-    const partialText = getText && getText();
+    logger.error('[AskController] Error handling request', error);
+    let partialText = '';
+    try {
+      const currentClient = clientRef?.deref();
+      partialText =
+        currentClient?.getStreamText != null ? currentClient.getStreamText() : getPartialText();
+    } catch (getTextError) {
+      logger.error('[AskController] Error calling getText() during error handling', getTextError);
+    }
+
     handleAbortError(res, req, error, {
       sender,
       partialText,
-      conversationId,
-      messageId: responseMessageId,
-      parentMessageId: overrideParentMessageId ?? userMessageId ?? parentMessageId,
-    }).catch((err) => {
-      logger.error('[AskController] Error in `handleAbortError`', err);
-    });
+      conversationId: reqDataContext.conversationId,
+      messageId: reqDataContext.responseMessageId,
+      parentMessageId: overrideParentMessageId ?? reqDataContext.userMessageId ?? parentMessageId,
+      userMessageId: reqDataContext.userMessageId,
+    })
+      .catch((err) => {
+        logger.error('[AskController] Error in `handleAbortError` during catch block', err);
+      })
+      .finally(() => {
+        performCleanup();
+      });
   }
 };
 

api/server/controllers/AuthController.js

@@ -1,3 +1,4 @@
+const openIdClient = require('openid-client');
 const cookies = require('cookie');
 const jwt = require('jsonwebtoken');
 const {
@@ -5,9 +6,12 @@ const {
   resetPassword,
   setAuthTokens,
   requestPasswordReset,
+  setOpenIDAuthTokens,
 } = require('~/server/services/AuthService');
-const { findSession, getUserById, deleteAllUserSessions } = require('~/models');
+const { findSession, getUserById, deleteAllUserSessions, findUser } = require('~/models');
+const { getOpenIdConfig } = require('~/strategies');
 const { logger } = require('~/config');
+const { isEnabled } = require('~/server/utils');
 
 const registrationController = async (req, res) => {
   try {
@@ -55,10 +59,28 @@ const resetPasswordController = async (req, res) => {
 
 const refreshController = async (req, res) => {
   const refreshToken = req.headers.cookie ? cookies.parse(req.headers.cookie).refreshToken : null;
+  const token_provider = req.headers.cookie
+    ? cookies.parse(req.headers.cookie).token_provider
+    : null;
   if (!refreshToken) {
     return res.status(200).send('Refresh token not provided');
   }
-
+  if (token_provider === 'openid' && isEnabled(process.env.OPENID_REUSE_TOKENS) === true) {
+    try {
+      const openIdConfig = getOpenIdConfig();
+      const tokenset = await openIdClient.refreshTokenGrant(openIdConfig, refreshToken);
+      const claims = tokenset.claims();
+      const user = await findUser({ email: claims.email });
+      if (!user) {
+        return res.status(401).redirect('/login');
+      }
+      const token = setOpenIDAuthTokens(tokenset, res);
+      return res.status(200).send({ token, user });
+    } catch (error) {
+      logger.error('[refreshController] OpenID token refresh error', error);
+      return res.status(403).send('Invalid OpenID refresh token');
+    }
+  }
   try {
     const payload = jwt.verify(refreshToken, process.env.JWT_REFRESH_SECRET);
     const user = await getUserById(payload.id, '-password -__v -totpSecret');

api/server/controllers/Balance.js

@@ -1,9 +1,24 @@
 const Balance = require('~/models/Balance');
 
 async function balanceController(req, res) {
-  const { tokenCredits: balance = '' } =
-    (await Balance.findOne({ user: req.user.id }, 'tokenCredits').lean()) ?? {};
-  res.status(200).send('' + balance);
+  const balanceData = await Balance.findOne(
+    { user: req.user.id },
+    '-_id tokenCredits autoRefillEnabled refillIntervalValue refillIntervalUnit lastRefill refillAmount',
+  ).lean();
+
+  if (!balanceData) {
+    return res.status(404).json({ error: 'Balance not found' });
+  }
+
+  // If auto-refill is not enabled, remove auto-refill related fields from the response
+  if (!balanceData.autoRefillEnabled) {
+    delete balanceData.refillIntervalValue;
+    delete balanceData.refillIntervalUnit;
+    delete balanceData.lastRefill;
+    delete balanceData.refillAmount;
+  }
+
+  res.status(200).json(balanceData);
 }
 
 module.exports = balanceController;

api/server/controllers/EditController.js

@@ -1,5 +1,15 @@
 const { getResponseSender } = require('librechat-data-provider');
-const { createAbortController, handleAbortError } = require('~/server/middleware');
+const {
+  handleAbortError,
+  createAbortController,
+  cleanupAbortController,
+} = require('~/server/middleware');
+const {
+  disposeClient,
+  processReqData,
+  clientRegistry,
+  requestDataMap,
+} = require('~/server/cleanup');
 const { sendMessage, createOnProgress } = require('~/server/utils');
 const { saveMessage } = require('~/models');
 const { logger } = require('~/config');
@@ -17,6 +27,11 @@ const EditController = async (req, res, next, initializeClient) => {
     overrideParentMessageId = null,
   } = req.body;
 
+  let client = null;
+  let abortKey = null;
+  let cleanupHandlers = [];
+  let clientRef = null; // Declare clientRef here
+
   logger.debug('[EditController]', {
     text,
     generation,
@@ -26,123 +41,205 @@ const EditController = async (req, res, next, initializeClient) => {
     modelsConfig: endpointOption.modelsConfig ? 'exists' : '',
   });
 
-  let userMessage;
-  let userMessagePromise;
-  let promptTokens;
+  let userMessage = null;
+  let userMessagePromise = null;
+  let promptTokens = null;
+  let getAbortData = null;
+
   const sender = getResponseSender({
     ...endpointOption,
     model: endpointOption.modelOptions.model,
     modelDisplayLabel,
   });
   const userMessageId = parentMessageId;
-  const user = req.user.id;
+  const userId = req.user.id;
 
-  const getReqData = (data = {}) => {
-    for (let key in data) {
-      if (key === 'userMessage') {
-        userMessage = data[key];
-      } else if (key === 'userMessagePromise') {
-        userMessagePromise = data[key];
-      } else if (key === 'responseMessageId') {
-        responseMessageId = data[key];
-      } else if (key === 'promptTokens') {
-        promptTokens = data[key];
-      }
-    }
+  let reqDataContext = { userMessage, userMessagePromise, responseMessageId, promptTokens };
+
+  const updateReqData = (data = {}) => {
+    reqDataContext = processReqData(data, reqDataContext);
+    abortKey = reqDataContext.abortKey;
+    userMessage = reqDataContext.userMessage;
+    userMessagePromise = reqDataContext.userMessagePromise;
+    responseMessageId = reqDataContext.responseMessageId;
+    promptTokens = reqDataContext.promptTokens;
   };
 
-  const { onProgress: progressCallback, getPartialText } = createOnProgress({
+  let { onProgress: progressCallback, getPartialText } = createOnProgress({
     generation,
   });
 
-  let getText;
+  const performCleanup = () => {
+    logger.debug('[EditController] Performing cleanup');
+    if (Array.isArray(cleanupHandlers)) {
+      for (const handler of cleanupHandlers) {
+        try {
+          if (typeof handler === 'function') {
+            handler();
+          }
+        } catch (e) {
+          // Ignore
+        }
+      }
+    }
+
+    if (abortKey) {
+      logger.debug('[AskController] Cleaning up abort controller');
+      cleanupAbortController(abortKey);
+      abortKey = null;
+    }
+
+    if (client) {
+      disposeClient(client);
+      client = null;
+    }
+
+    reqDataContext = null;
+    userMessage = null;
+    userMessagePromise = null;
+    promptTokens = null;
+    getAbortData = null;
+    progressCallback = null;
+    endpointOption = null;
+    cleanupHandlers = null;
+
+    if (requestDataMap.has(req)) {
+      requestDataMap.delete(req);
+    }
+    logger.debug('[EditController] Cleanup completed');
+  };
 
   try {
-    const { client } = await initializeClient({ req, res, endpointOption });
+    ({ client } = await initializeClient({ req, res, endpointOption }));
 
-    getText = client.getStreamText != null ? client.getStreamText.bind(client) : getPartialText;
+    if (clientRegistry && client) {
+      clientRegistry.register(client, { userId }, client);
+    }
 
-    const getAbortData = () => ({
-      conversationId,
-      userMessagePromise,
-      messageId: responseMessageId,
-      sender,
-      parentMessageId: overrideParentMessageId ?? userMessageId,
-      text: getText(),
-      userMessage,
-      promptTokens,
-    });
+    if (client) {
+      requestDataMap.set(req, { client });
+    }
 
-    const { abortController, onStart } = createAbortController(req, res, getAbortData, getReqData);
+    clientRef = new WeakRef(client);
 
-    res.on('close', () => {
+    getAbortData = () => {
+      const currentClient = clientRef?.deref();
+      const currentText =
+        currentClient?.getStreamText != null ? currentClient.getStreamText() : getPartialText();
+
+      return {
+        sender,
+        conversationId,
+        messageId: reqDataContext.responseMessageId,
+        parentMessageId: overrideParentMessageId ?? userMessageId,
+        text: currentText,
+        userMessage: userMessage,
+        userMessagePromise: userMessagePromise,
+        promptTokens: reqDataContext.promptTokens,
+      };
+    };
+
+    const { onStart, abortController } = createAbortController(
+      req,
+      res,
+      getAbortData,
+      updateReqData,
+    );
+
+    const closeHandler = () => {
       logger.debug('[EditController] Request closed');
-      if (!abortController) {
-        return;
-      } else if (abortController.signal.aborted) {
-        return;
-      } else if (abortController.requestCompleted) {
+      if (!abortController || abortController.signal.aborted || abortController.requestCompleted) {
         return;
       }
-
       abortController.abort();
       logger.debug('[EditController] Request aborted on close');
+    };
+
+    res.on('close', closeHandler);
+    cleanupHandlers.push(() => {
+      try {
+        res.removeListener('close', closeHandler);
+      } catch (e) {
+        // Ignore
+      }
     });
 
     let response = await client.sendMessage(text, {
-      user,
+      user: userId,
       generation,
       isContinued,
       isEdited: true,
       conversationId,
       parentMessageId,
-      responseMessageId,
+      responseMessageId: reqDataContext.responseMessageId,
       overrideParentMessageId,
-      getReqData,
+      getReqData: updateReqData,
       onStart,
       abortController,
       progressCallback,
       progressOptions: {
         res,
-        // parentMessageId: overrideParentMessageId || userMessageId,
       },
     });
 
-    const { conversation = {} } = await client.responsePromise;
+    const databasePromise = response.databasePromise;
+    delete response.databasePromise;
+
+    const { conversation: convoData = {} } = await databasePromise;
+    const conversation = { ...convoData };
     conversation.title =
       conversation && !conversation.title ? null : conversation?.title || 'New Chat';
 
-    if (client.options.attachments) {
+    if (client?.options?.attachments && endpointOption?.modelOptions?.model) {
       conversation.model = endpointOption.modelOptions.model;
     }
 
     if (!abortController.signal.aborted) {
+      const finalUserMessage = reqDataContext.userMessage;
+      const finalResponseMessage = { ...response };
+
       sendMessage(res, {
         final: true,
         conversation,
         title: conversation.title,
-        requestMessage: userMessage,
-        responseMessage: response,
+        requestMessage: finalUserMessage,
+        responseMessage: finalResponseMessage,
       });
       res.end();
 
       await saveMessage(
         req,
-        { ...response, user },
+        { ...finalResponseMessage, user: userId },
         { context: 'api/server/controllers/EditController.js - response end' },
       );
     }
+
+    performCleanup();
   } catch (error) {
-    const partialText = getText();
+    logger.error('[EditController] Error handling request', error);
+    let partialText = '';
+    try {
+      const currentClient = clientRef?.deref();
+      partialText =
+        currentClient?.getStreamText != null ? currentClient.getStreamText() : getPartialText();
+    } catch (getTextError) {
+      logger.error('[EditController] Error calling getText() during error handling', getTextError);
+    }
+
     handleAbortError(res, req, error, {
       sender,
       partialText,
       conversationId,
-      messageId: responseMessageId,
+      messageId: reqDataContext.responseMessageId,
       parentMessageId: overrideParentMessageId ?? userMessageId ?? parentMessageId,
-    }).catch((err) => {
-      logger.error('[EditController] Error in `handleAbortError`', err);
-    });
+      userMessageId,
+    })
+      .catch((err) => {
+        logger.error('[EditController] Error in `handleAbortError` during catch block', err);
+      })
+      .finally(() => {
+        performCleanup();
+      });
   }
 };
 

api/server/controllers/ErrorController.js

@@ -24,7 +24,6 @@ const handleValidationError = (err, res) => {
   }
 };
 
-// eslint-disable-next-line no-unused-vars
 module.exports = (err, req, res, next) => {
   try {
     if (err.name === 'ValidationError') {

api/server/controllers/PluginController.js

@@ -1,5 +1,5 @@
 const { CacheKeys, AuthType } = require('librechat-data-provider');
-const { addOpenAPISpecs } = require('~/app/clients/tools/util/addOpenAPISpecs');
+const { getToolkitKey } = require('~/server/services/ToolService');
 const { getCustomConfig } = require('~/server/services/Config');
 const { availableTools } = require('~/app/clients/tools');
 const { getMCPManager } = require('~/config');
@@ -69,7 +69,7 @@ const getAvailablePluginsController = async (req, res) => {
       );
     }
 
-    let plugins = await addOpenAPISpecs(authenticatedPlugins);
+    let plugins = authenticatedPlugins;
 
     if (includedTools.length > 0) {
       plugins = plugins.filter((plugin) => includedTools.includes(plugin.pluginKey));
@@ -105,11 +105,11 @@ const getAvailableTools = async (req, res) => {
       return;
     }
 
-    const pluginManifest = availableTools;
+    let pluginManifest = availableTools;
     const customConfig = await getCustomConfig();
     if (customConfig?.mcpServers != null) {
-      const mcpManager = await getMCPManager();
-      await mcpManager.loadManifestTools(pluginManifest);
+      const mcpManager = getMCPManager();
+      pluginManifest = await mcpManager.loadManifestTools(pluginManifest);
     }
 
     /** @type {TPlugin[]} */
@@ -128,7 +128,7 @@ const getAvailableTools = async (req, res) => {
       (plugin) =>
         toolDefinitions[plugin.pluginKey] !== undefined ||
         (plugin.toolkit === true &&
-          Object.keys(toolDefinitions).some((key) => key.startsWith(`${plugin.pluginKey}_`))),
+          Object.keys(toolDefinitions).some((key) => getToolkitKey(key) === plugin.pluginKey)),
     );
 
     await cache.set(CacheKeys.TOOLS, tools);

api/server/controllers/TwoFactorController.js

@@ -1,22 +1,30 @@
 const {
-  verifyTOTP,
-  verifyBackupCode,
   generateTOTPSecret,
   generateBackupCodes,
+  verifyTOTP,
+  verifyBackupCode,
   getTOTPSecret,
 } = require('~/server/services/twoFactorService');
 const { updateUser, getUserById } = require('~/models');
 const { logger } = require('~/config');
-const { encryptV2 } = require('~/server/utils/crypto');
+const { encryptV3 } = require('~/server/utils/crypto');
 
-const enable2FAController = async (req, res) => {
-  const safeAppTitle = (process.env.APP_TITLE || 'LibreChat').replace(/\s+/g, '');
+const safeAppTitle = (process.env.APP_TITLE || 'LibreChat').replace(/\s+/g, '');
+
+/**
+ * Enable 2FA for the user by generating a new TOTP secret and backup codes.
+ * The secret is encrypted and stored, and 2FA is marked as disabled until confirmed.
+ */
+const enable2FA = async (req, res) => {
   try {
     const userId = req.user.id;
     const secret = generateTOTPSecret();
     const { plainCodes, codeObjects } = await generateBackupCodes();
-    const encryptedSecret = await encryptV2(secret);
-    // Set twoFactorEnabled to false until the user confirms 2FA.
+
+    // Encrypt the secret with v3 encryption before saving.
+    const encryptedSecret = encryptV3(secret);
+
+    // Update the user record: store the secret & backup codes and set twoFactorEnabled to false.
     const user = await updateUser(userId, {
       totpSecret: encryptedSecret,
       backupCodes: codeObjects,
@@ -24,45 +32,50 @@ const enable2FAController = async (req, res) => {
     });
 
     const otpauthUrl = `otpauth://totp/${safeAppTitle}:${user.email}?secret=${secret}&issuer=${safeAppTitle}`;
-    res.status(200).json({
-      otpauthUrl,
-      backupCodes: plainCodes,
-    });
+
+    return res.status(200).json({ otpauthUrl, backupCodes: plainCodes });
   } catch (err) {
-    logger.error('[enable2FAController]', err);
-    res.status(500).json({ message: err.message });
+    logger.error('[enable2FA]', err);
+    return res.status(500).json({ message: err.message });
   }
 };
 
-const verify2FAController = async (req, res) => {
+/**
+ * Verify a 2FA code (either TOTP or backup code) during setup.
+ */
+const verify2FA = async (req, res) => {
   try {
     const userId = req.user.id;
     const { token, backupCode } = req.body;
     const user = await getUserById(userId);
-    // Ensure that 2FA is enabled for this user.
+
     if (!user || !user.totpSecret) {
       return res.status(400).json({ message: '2FA not initiated' });
     }
 
-    // Retrieve the plain TOTP secret using getTOTPSecret.
     const secret = await getTOTPSecret(user.totpSecret);
+    let isVerified = false;
 
-    if (token && (await verifyTOTP(secret, token))) {
-      return res.status(200).json();
+    if (token) {
+      isVerified = await verifyTOTP(secret, token);
     } else if (backupCode) {
-      const verified = await verifyBackupCode({ user, backupCode });
-      if (verified) {
-        return res.status(200).json();
-      }
+      isVerified = await verifyBackupCode({ user, backupCode });
     }
-    return res.status(400).json({ message: 'Invalid token.' });
+
+    if (isVerified) {
+      return res.status(200).json();
+    }
+    return res.status(400).json({ message: 'Invalid token or backup code.' });
   } catch (err) {
-    logger.error('[verify2FAController]', err);
-    res.status(500).json({ message: err.message });
+    logger.error('[verify2FA]', err);
+    return res.status(500).json({ message: err.message });
   }
 };
 
-const confirm2FAController = async (req, res) => {
+/**
+ * Confirm and enable 2FA after a successful verification.
+ */
+const confirm2FA = async (req, res) => {
   try {
     const userId = req.user.id;
     const { token } = req.body;
@@ -72,52 +85,54 @@ const confirm2FAController = async (req, res) => {
       return res.status(400).json({ message: '2FA not initiated' });
     }
 
-    // Retrieve the plain TOTP secret using getTOTPSecret.
     const secret = await getTOTPSecret(user.totpSecret);
-
     if (await verifyTOTP(secret, token)) {
-      // Upon successful verification, enable 2FA.
       await updateUser(userId, { twoFactorEnabled: true });
       return res.status(200).json();
     }
-
     return res.status(400).json({ message: 'Invalid token.' });
   } catch (err) {
-    logger.error('[confirm2FAController]', err);
-    res.status(500).json({ message: err.message });
+    logger.error('[confirm2FA]', err);
+    return res.status(500).json({ message: err.message });
   }
 };
 
-const disable2FAController = async (req, res) => {
+/**
+ * Disable 2FA by clearing the stored secret and backup codes.
+ */
+const disable2FA = async (req, res) => {
   try {
     const userId = req.user.id;
     await updateUser(userId, { totpSecret: null, backupCodes: [], twoFactorEnabled: false });
-    res.status(200).json();
+    return res.status(200).json();
   } catch (err) {
-    logger.error('[disable2FAController]', err);
-    res.status(500).json({ message: err.message });
+    logger.error('[disable2FA]', err);
+    return res.status(500).json({ message: err.message });
   }
 };
 
-const regenerateBackupCodesController = async (req, res) => {
+/**
+ * Regenerate backup codes for the user.
+ */
+const regenerateBackupCodes = async (req, res) => {
   try {
     const userId = req.user.id;
     const { plainCodes, codeObjects } = await generateBackupCodes();
     await updateUser(userId, { backupCodes: codeObjects });
-    res.status(200).json({
+    return res.status(200).json({
       backupCodes: plainCodes,
       backupCodesHash: codeObjects,
     });
   } catch (err) {
-    logger.error('[regenerateBackupCodesController]', err);
-    res.status(500).json({ message: err.message });
+    logger.error('[regenerateBackupCodes]', err);
+    return res.status(500).json({ message: err.message });
   }
 };
 
 module.exports = {
-  enable2FAController,
-  verify2FAController,
-  confirm2FAController,
-  disable2FAController,
-  regenerateBackupCodesController,
+  enable2FA,
+  verify2FA,
+  confirm2FA,
+  disable2FA,
+  regenerateBackupCodes,
 };

api/server/controllers/UserController.js

@@ -1,6 +1,14 @@
+const {
+  Tools,
+  Constants,
+  FileSources,
+  webSearchKeys,
+  extractWebSearchEnvVars,
+} = require('librechat-data-provider');
 const {
   Balance,
   getFiles,
+  updateUser,
   deleteFiles,
   deleteConvos,
   deletePresets,
@@ -12,6 +20,7 @@ const User = require('~/models/User');
 const { updateUserPluginAuth, deleteUserPluginAuth } = require('~/server/services/PluginService');
 const { updateUserPluginsService, deleteUserKey } = require('~/server/services/UserService');
 const { verifyEmail, resendVerificationEmail } = require('~/server/services/AuthService');
+const { needsRefresh, getNewS3URL } = require('~/server/services/Files/S3/crud');
 const { processDeleteRequest } = require('~/server/services/Files/process');
 const { deleteAllSharedLinks } = require('~/models/Share');
 const { deleteToolCalls } = require('~/models/ToolCall');
@@ -19,8 +28,23 @@ const { Transaction } = require('~/models/Transaction');
 const { logger } = require('~/config');
 
 const getUserController = async (req, res) => {
+  /** @type {MongoUser} */
   const userData = req.user.toObject != null ? req.user.toObject() : { ...req.user };
   delete userData.totpSecret;
+  if (req.app.locals.fileStrategy === FileSources.s3 && userData.avatar) {
+    const avatarNeedsRefresh = needsRefresh(userData.avatar, 3600);
+    if (!avatarNeedsRefresh) {
+      return res.status(200).send(userData);
+    }
+    const originalAvatar = userData.avatar;
+    try {
+      userData.avatar = await getNewS3URL(userData.avatar);
+      await updateUser(userData.id, { avatar: userData.avatar });
+    } catch (error) {
+      userData.avatar = originalAvatar;
+      logger.error('Error getting new S3 URL for avatar:', error);
+    }
+  }
   res.status(200).send(userData);
 };
 
@@ -65,7 +89,6 @@ const deleteUserFiles = async (req) => {
 const updateUserPluginsController = async (req, res) => {
   const { user } = req;
   const { pluginKey, action, auth, isEntityTool } = req.body;
-  let authService;
   try {
     if (!isEntityTool) {
       const userPluginsService = await updateUserPluginsService(user, pluginKey, action);
@@ -77,32 +100,55 @@ const updateUserPluginsController = async (req, res) => {
       }
     }
 
-    if (auth) {
-      const keys = Object.keys(auth);
-      const values = Object.values(auth);
-      if (action === 'install' && keys.length > 0) {
-        for (let i = 0; i < keys.length; i++) {
-          authService = await updateUserPluginAuth(user.id, keys[i], pluginKey, values[i]);
-          if (authService instanceof Error) {
-            logger.error('[authService]', authService);
-            const { status, message } = authService;
-            res.status(status).send({ message });
-          }
+    if (auth == null) {
+      return res.status(200).send();
+    }
+
+    let keys = Object.keys(auth);
+    if (keys.length === 0 && pluginKey !== Tools.web_search) {
+      return res.status(200).send();
+    }
+    const values = Object.values(auth);
+
+    /** @type {number} */
+    let status = 200;
+    /** @type {string} */
+    let message;
+    /** @type {IPluginAuth | Error} */
+    let authService;
+
+    if (pluginKey === Tools.web_search) {
+      /** @type  {TCustomConfig['webSearch']} */
+      const webSearchConfig = req.app.locals?.webSearch;
+      keys = extractWebSearchEnvVars({
+        keys: action === 'install' ? keys : webSearchKeys,
+        config: webSearchConfig,
+      });
+    }
+
+    if (action === 'install') {
+      for (let i = 0; i < keys.length; i++) {
+        authService = await updateUserPluginAuth(user.id, keys[i], pluginKey, values[i]);
+        if (authService instanceof Error) {
+          logger.error('[authService]', authService);
+          ({ status, message } = authService);
         }
       }
-      if (action === 'uninstall' && keys.length > 0) {
-        for (let i = 0; i < keys.length; i++) {
-          authService = await deleteUserPluginAuth(user.id, keys[i]);
-          if (authService instanceof Error) {
-            logger.error('[authService]', authService);
-            const { status, message } = authService;
-            res.status(status).send({ message });
-          }
+    } else if (action === 'uninstall') {
+      for (let i = 0; i < keys.length; i++) {
+        authService = await deleteUserPluginAuth(user.id, keys[i]);
+        if (authService instanceof Error) {
+          logger.error('[authService]', authService);
+          ({ status, message } = authService);
         }
       }
     }
 
-    res.status(200).send();
+    if (status === 200) {
+      return res.status(status).send();
+    }
+
+    res.status(status).send({ message });
   } catch (err) {
     logger.error('[updateUserPluginsController]', err);
     return res.status(500).json({ message: 'Something went wrong.' });

api/server/controllers/agents/callbacks.js

@@ -14,15 +14,6 @@ const { loadAuthValues } = require('~/server/services/Tools/credentials');
 const { saveBase64Image } = require('~/server/services/Files/process');
 const { logger, sendEvent } = require('~/config');
 
-/** @typedef {import('@librechat/agents').Graph} Graph */
-/** @typedef {import('@librechat/agents').EventHandler} EventHandler */
-/** @typedef {import('@librechat/agents').ModelEndData} ModelEndData */
-/** @typedef {import('@librechat/agents').ToolEndData} ToolEndData */
-/** @typedef {import('@librechat/agents').ToolEndCallback} ToolEndCallback */
-/** @typedef {import('@librechat/agents').ChatModelStreamHandler} ChatModelStreamHandler */
-/** @typedef {import('@librechat/agents').ContentAggregatorResult['aggregateContent']} ContentAggregator */
-/** @typedef {import('@librechat/agents').GraphEvents} GraphEvents */
-
 class ModelEndHandler {
   /**
    * @param {Array<UsageMetadata>} collectedUsage
@@ -38,7 +29,7 @@ class ModelEndHandler {
    * @param {string} event
    * @param {ModelEndData | undefined} data
    * @param {Record<string, unknown> | undefined} metadata
-   * @param {Graph} graph
+   * @param {StandardGraph} graph
    * @returns
    */
   handle(event, data, metadata, graph) {
@@ -61,7 +52,10 @@ class ModelEndHandler {
       }
 
       this.collectedUsage.push(usage);
-      if (!graph.clientOptions?.disableStreaming) {
+      const streamingDisabled = !!(
+        graph.clientOptions?.disableStreaming || graph?.boundModel?.disableStreaming
+      );
+      if (!streamingDisabled) {
         return;
       }
       if (!data.output.content) {
@@ -243,10 +237,38 @@ function createToolEndCallback({ req, res, artifactPromises }) {
       return;
     }
 
+    if (output.artifact[Tools.web_search]) {
+      artifactPromises.push(
+        (async () => {
+          const name = `${output.name}_${output.tool_call_id}_${nanoid()}`;
+          const attachment = {
+            name,
+            type: Tools.web_search,
+            messageId: metadata.run_id,
+            toolCallId: output.tool_call_id,
+            conversationId: metadata.thread_id,
+            [Tools.web_search]: { ...output.artifact[Tools.web_search] },
+          };
+          if (!res.headersSent) {
+            return attachment;
+          }
+          res.write(`event: attachment\ndata: ${JSON.stringify(attachment)}\n\n`);
+          return attachment;
+        })().catch((error) => {
+          logger.error('Error processing artifact content:', error);
+          return null;
+        }),
+      );
+    }
+
     if (output.artifact.content) {
       /** @type {FormattedContent[]} */
       const content = output.artifact.content;
-      for (const part of content) {
+      for (let i = 0; i < content.length; i++) {
+        const part = content[i];
+        if (!part) {
+          continue;
+        }
         if (part.type !== 'image_url') {
           continue;
         }
@@ -254,8 +276,10 @@ function createToolEndCallback({ req, res, artifactPromises }) {
         artifactPromises.push(
           (async () => {
             const filename = `${output.name}_${output.tool_call_id}_img_${nanoid()}`;
+            const file_id = output.artifact.file_ids?.[i];
             const file = await saveBase64Image(url, {
               req,
+              file_id,
               filename,
               endpoint: metadata.provider,
               context: FileContext.image_generation,

api/server/controllers/agents/client.js

@@ -7,53 +7,75 @@
 // validateVisionModel,
 // mapModelToAzureConfig,
 // } = require('librechat-data-provider');
-const { Callback, createMetadataAggregator } = require('@librechat/agents');
+require('events').EventEmitter.defaultMaxListeners = 100;
+const {
+  Callback,
+  GraphEvents,
+  formatMessage,
+  formatAgentMessages,
+  formatContentStrings,
+  getTokenCountForMessage,
+  createMetadataAggregator,
+} = require('@librechat/agents');
 const {
   Constants,
   VisionModes,
-  openAISchema,
   ContentTypes,
   EModelEndpoint,
   KnownEndpoints,
-  anthropicSchema,
   isAgentsEndpoint,
+  AgentCapabilities,
   bedrockInputSchema,
   removeNullishValues,
 } = require('librechat-data-provider');
-const {
-  formatMessage,
-  addCacheControl,
-  formatAgentMessages,
-  formatContentStrings,
-  createContextHandlers,
-} = require('~/app/clients/prompts');
+const { getCustomEndpointConfig, checkCapability } = require('~/server/services/Config');
+const { addCacheControl, createContextHandlers } = require('~/app/clients/prompts');
 const { spendTokens, spendStructuredTokens } = require('~/models/spendTokens');
 const { getBufferString, HumanMessage } = require('@langchain/core/messages');
 const { encodeAndFormat } = require('~/server/services/Files/images/encode');
-const { getCustomEndpointConfig } = require('~/server/services/Config');
+const initOpenAI = require('~/server/services/Endpoints/openAI/initialize');
 const Tokenizer = require('~/server/services/Tokenizer');
 const BaseClient = require('~/app/clients/BaseClient');
+const { logger, sendEvent } = require('~/config');
 const { createRun } = require('./run');
-const { logger } = require('~/config');
 
-/** @typedef {import('@librechat/agents').MessageContentComplex} MessageContentComplex */
-/** @typedef {import('@langchain/core/runnables').RunnableConfig} RunnableConfig */
-
-const providerParsers = {
-  [EModelEndpoint.openAI]: openAISchema.parse,
-  [EModelEndpoint.azureOpenAI]: openAISchema.parse,
-  [EModelEndpoint.anthropic]: anthropicSchema.parse,
-  [EModelEndpoint.bedrock]: bedrockInputSchema.parse,
+/**
+ * @param {ServerRequest} req
+ * @param {Agent} agent
+ * @param {string} endpoint
+ */
+const payloadParser = ({ req, agent, endpoint }) => {
+  if (isAgentsEndpoint(endpoint)) {
+    return { model: undefined };
+  } else if (endpoint === EModelEndpoint.bedrock) {
+    return bedrockInputSchema.parse(agent.model_parameters);
+  }
+  return req.body.endpointOption.model_parameters;
 };
 
 const legacyContentEndpoints = new Set([KnownEndpoints.groq, KnownEndpoints.deepseek]);
 
-const noSystemModelRegex = [/\bo1\b/gi];
+const noSystemModelRegex = [/\b(o1-preview|o1-mini|amazon\.titan-text)\b/gi];
 
 // const { processMemory, memoryInstructions } = require('~/server/services/Endpoints/agents/memory');
 // const { getFormattedMemories } = require('~/models/Memory');
 // const { getCurrentDateTime } = require('~/utils');
 
+function createTokenCounter(encoding) {
+  return (message) => {
+    const countTokens = (text) => Tokenizer.getTokenCount(text, encoding);
+    return getTokenCountForMessage(message, countTokens);
+  };
+}
+
+function logToolError(graph, error, toolId) {
+  logger.error(
+    '[api/server/controllers/agents/client.js #chatCompletion] Tool Error',
+    error,
+    toolId,
+  );
+}
+
 class AgentClient extends BaseClient {
   constructor(options = {}) {
     super(null, options);
@@ -99,6 +121,8 @@ class AgentClient extends BaseClient {
     this.outputTokensKey = 'output_tokens';
     /** @type {UsageMetadata} */
     this.usage;
+    /** @type {Record<string, number>} */
+    this.indexTokenCountMap = {};
   }
 
   /**
@@ -121,19 +145,13 @@ class AgentClient extends BaseClient {
    * @param {MongoFile[]} attachments
    */
   checkVisionRequest(attachments) {
-    logger.info(
-      '[api/server/controllers/agents/client.js #checkVisionRequest] not implemented',
-      attachments,
-    );
     // if (!attachments) {
     //   return;
     // }
-
     // const availableModels = this.options.modelsConfig?.[this.options.endpoint];
     // if (!availableModels) {
     //   return;
     // }
-
     // let visionRequestDetected = false;
     // for (const file of attachments) {
     //   if (file?.type?.includes('image')) {
@@ -144,13 +162,11 @@ class AgentClient extends BaseClient {
     // if (!visionRequestDetected) {
     //   return;
     // }
-
     // this.isVisionModel = validateVisionModel({ model: this.modelOptions.model, availableModels });
     // if (this.isVisionModel) {
     //   delete this.modelOptions.stop;
     //   return;
     // }
-
     // for (const model of availableModels) {
     //   if (!validateVisionModel({ model, availableModels })) {
     //     continue;
@@ -160,42 +176,31 @@ class AgentClient extends BaseClient {
     //   delete this.modelOptions.stop;
     //   return;
     // }
-
     // if (!availableModels.includes(this.defaultVisionModel)) {
     //   return;
     // }
     // if (!validateVisionModel({ model: this.defaultVisionModel, availableModels })) {
     //   return;
     // }
-
     // this.modelOptions.model = this.defaultVisionModel;
     // this.isVisionModel = true;
     // delete this.modelOptions.stop;
   }
 
   getSaveOptions() {
-    const parseOptions = providerParsers[this.options.endpoint];
-    let runOptions =
-      this.options.endpoint === EModelEndpoint.agents
-        ? {
-          model: undefined,
-          // TODO:
-          // would need to be override settings; otherwise, model needs to be undefined
-          // model: this.override.model,
-          // instructions: this.override.instructions,
-          // additional_instructions: this.override.additional_instructions,
-        }
-        : {};
-
-    if (parseOptions) {
-      try {
-        runOptions = parseOptions(this.options.agent.model_parameters);
-      } catch (error) {
-        logger.error(
-          '[api/server/controllers/agents/client.js #getSaveOptions] Error parsing options',
-          error,
-        );
-      }
+    // TODO:
+    // would need to be override settings; otherwise, model needs to be undefined
+    // model: this.override.model,
+    // instructions: this.override.instructions,
+    // additional_instructions: this.override.additional_instructions,
+    let runOptions = {};
+    try {
+      runOptions = payloadParser(this.options);
+    } catch (error) {
+      logger.error(
+        '[api/server/controllers/agents/client.js #getSaveOptions] Error parsing options',
+        error,
+      );
     }
 
     return removeNullishValues(
@@ -346,7 +351,9 @@ class AgentClient extends BaseClient {
             this.contextHandlers?.processFile(file);
             continue;
           }
-
+          if (file.metadata?.fileIdentifier) {
+            continue;
+          }
           // orderedMessages[i].tokenCount += this.calculateImageTokenCost({
           //   width: file.width,
           //   height: file.height,
@@ -377,6 +384,10 @@ class AgentClient extends BaseClient {
       }));
     }
 
+    for (let i = 0; i < messages.length; i++) {
+      this.indexTokenCountMap[i] = messages[i].tokenCount;
+    }
+
     const result = {
       tokenCountMap,
       prompt: payload,
@@ -461,6 +472,7 @@ class AgentClient extends BaseClient {
             err,
           );
         });
+        continue;
       }
       spendTokens(txMetadata, {
         promptTokens: usage.input_tokens,
@@ -528,6 +540,10 @@ class AgentClient extends BaseClient {
   }
 
   async chatCompletion({ payload, abortController = null }) {
+    /** @type {Partial<GraphRunnableConfig>} */
+    let config;
+    /** @type {ReturnType<createRun>} */
+    let run;
     try {
       if (!abortController) {
         abortController = new AbortController();
@@ -622,39 +638,55 @@ class AgentClient extends BaseClient {
       //   });
       // }
 
-      /** @type {Partial<RunnableConfig> & { version: 'v1' | 'v2'; run_id?: string; streamMode: string }} */
-      const config = {
+      /** @type {TCustomConfig['endpoints']['agents']} */
+      const agentsEConfig = this.options.req.app.locals[EModelEndpoint.agents];
+
+      config = {
         configurable: {
           thread_id: this.conversationId,
           last_agent_index: this.agentConfigs?.size ?? 0,
+          user_id: this.user ?? this.options.req.user?.id,
           hide_sequential_outputs: this.options.agent.hide_sequential_outputs,
         },
-        recursionLimit: this.options.req.app.locals[EModelEndpoint.agents]?.recursionLimit,
+        recursionLimit: agentsEConfig?.recursionLimit,
         signal: abortController.signal,
         streamMode: 'values',
         version: 'v2',
       };
 
-      const initialMessages = formatAgentMessages(payload);
-      if (legacyContentEndpoints.has(this.options.agent.endpoint)) {
-        formatContentStrings(initialMessages);
+      const toolSet = new Set((this.options.agent.tools ?? []).map((tool) => tool && tool.name));
+      let { messages: initialMessages, indexTokenCountMap } = formatAgentMessages(
+        payload,
+        this.indexTokenCountMap,
+        toolSet,
+      );
+      if (legacyContentEndpoints.has(this.options.agent.endpoint?.toLowerCase())) {
+        initialMessages = formatContentStrings(initialMessages);
       }
 
-      /** @type {ReturnType<createRun>} */
-      let run;
-
       /**
        *
        * @param {Agent} agent
        * @param {BaseMessage[]} messages
        * @param {number} [i]
        * @param {TMessageContentParts[]} [contentData]
+       * @param {Record<string, number>} [currentIndexCountMap]
        */
-      const runAgent = async (agent, _messages, i = 0, contentData = []) => {
+      const runAgent = async (agent, _messages, i = 0, contentData = [], _currentIndexCountMap) => {
         config.configurable.model = agent.model_parameters.model;
+        const currentIndexCountMap = _currentIndexCountMap ?? indexTokenCountMap;
         if (i > 0) {
           this.model = agent.model_parameters.model;
         }
+        if (agent.recursion_limit && typeof agent.recursion_limit === 'number') {
+          config.recursionLimit = agent.recursion_limit;
+        }
+        if (
+          agentsEConfig?.maxRecursionLimit &&
+          config.recursionLimit > agentsEConfig?.maxRecursionLimit
+        ) {
+          config.recursionLimit = agentsEConfig?.maxRecursionLimit;
+        }
         config.configurable.agent_id = agent.id;
         config.configurable.name = agent.name;
         config.configurable.agent_index = i;
@@ -683,12 +715,14 @@ class AgentClient extends BaseClient {
         }
 
         if (noSystemMessages === true && systemContent?.length) {
-          let latestMessage = _messages.pop().content;
+          const latestMessageContent = _messages.pop().content;
           if (typeof latestMessage !== 'string') {
-            latestMessage = latestMessage[0].text;
+            latestMessageContent[0].text = [systemContent, latestMessageContent[0].text].join('\n');
+            _messages.push(new HumanMessage({ content: latestMessageContent }));
+          } else {
+            const text = [systemContent, latestMessageContent].join('\n');
+            _messages.push(new HumanMessage(text));
           }
-          latestMessage = [systemContent, latestMessage].join('\n');
-          _messages.push(new HumanMessage(latestMessage));
         }
 
         let messages = _messages;
@@ -717,27 +751,46 @@ class AgentClient extends BaseClient {
         }
 
         if (contentData.length) {
+          const agentUpdate = {
+            type: ContentTypes.AGENT_UPDATE,
+            [ContentTypes.AGENT_UPDATE]: {
+              index: contentData.length,
+              runId: this.responseMessageId,
+              agentId: agent.id,
+            },
+          };
+          const streamData = {
+            event: GraphEvents.ON_AGENT_UPDATE,
+            data: agentUpdate,
+          };
+          this.options.aggregateContent(streamData);
+          sendEvent(this.options.res, streamData);
+          contentData.push(agentUpdate);
           run.Graph.contentData = contentData;
         }
 
+        const encoding = this.getEncoding();
         await run.processStream({ messages }, config, {
           keepContent: i !== 0,
+          tokenCounter: createTokenCounter(encoding),
+          indexTokenCountMap: currentIndexCountMap,
+          maxContextTokens: agent.maxContextTokens,
           callbacks: {
-            [Callback.TOOL_ERROR]: (graph, error, toolId) => {
-              logger.error(
-                '[api/server/controllers/agents/client.js #chatCompletion] Tool Error',
-                error,
-                toolId,
-              );
-            },
+            [Callback.TOOL_ERROR]: logToolError,
           },
         });
+
+        config.signal = null;
       };
 
       await runAgent(this.options.agent, initialMessages);
-
       let finalContentStart = 0;
-      if (this.agentConfigs && this.agentConfigs.size > 0) {
+      if (
+        this.agentConfigs &&
+        this.agentConfigs.size > 0 &&
+        (await checkCapability(this.options.req, AgentCapabilities.chain))
+      ) {
+        const windowSize = 5;
         let latestMessage = initialMessages.pop().content;
         if (typeof latestMessage !== 'string') {
           latestMessage = latestMessage[0].text;
@@ -745,7 +798,18 @@ class AgentClient extends BaseClient {
         let i = 1;
         let runMessages = [];
 
-        const lastFiveMessages = initialMessages.slice(-5);
+        const windowIndexCountMap = {};
+        const windowMessages = initialMessages.slice(-windowSize);
+        let currentIndex = 4;
+        for (let i = initialMessages.length - 1; i >= 0; i--) {
+          windowIndexCountMap[currentIndex] = indexTokenCountMap[i];
+          currentIndex--;
+          if (currentIndex < 0) {
+            break;
+          }
+        }
+        const encoding = this.getEncoding();
+        const tokenCounter = createTokenCounter(encoding);
         for (const [agentId, agent] of this.agentConfigs) {
           if (abortController.signal.aborted === true) {
             break;
@@ -780,7 +844,9 @@ class AgentClient extends BaseClient {
           }
           try {
             const contextMessages = [];
-            for (const message of lastFiveMessages) {
+            const runIndexCountMap = {};
+            for (let i = 0; i < windowMessages.length; i++) {
+              const message = windowMessages[i];
               const messageType = message._getType();
               if (
                 (!agent.tools || agent.tools.length === 0) &&
@@ -788,11 +854,13 @@ class AgentClient extends BaseClient {
               ) {
                 continue;
               }
-
+              runIndexCountMap[contextMessages.length] = windowIndexCountMap[i];
               contextMessages.push(message);
             }
-            const currentMessages = [...contextMessages, new HumanMessage(bufferString)];
-            await runAgent(agent, currentMessages, i, contentData);
+            const bufferMessage = new HumanMessage(bufferString);
+            runIndexCountMap[contextMessages.length] = tokenCounter(bufferMessage);
+            const currentMessages = [...contextMessages, bufferMessage];
+            await runAgent(agent, currentMessages, i, contentData, runIndexCountMap);
           } catch (err) {
             logger.error(
               `[api/server/controllers/agents/client.js #chatCompletion] Error running agent ${agentId} (${i})`,
@@ -803,6 +871,7 @@ class AgentClient extends BaseClient {
         }
       }
 
+      /** Note: not implemented */
       if (config.configurable.hide_sequential_outputs !== true) {
         finalContentStart = 0;
       }
@@ -849,18 +918,27 @@ class AgentClient extends BaseClient {
    * @param {string} params.text
    * @param {string} params.conversationId
    */
-  async titleConvo({ text }) {
+  async titleConvo({ text, abortController }) {
     if (!this.run) {
       throw new Error('Run not initialized');
     }
     const { handleLLMEnd, collected: collectedMetadata } = createMetadataAggregator();
+    const endpoint = this.options.agent.endpoint;
+    const { req, res } = this.options;
     /** @type {import('@librechat/agents').ClientOptions} */
-    const clientOptions = {
+    let clientOptions = {
       maxTokens: 75,
     };
-    let endpointConfig = this.options.req.app.locals[this.options.agent.endpoint];
+    let endpointConfig = req.app.locals[endpoint];
     if (!endpointConfig) {
-      endpointConfig = await getCustomEndpointConfig(this.options.agent.endpoint);
+      try {
+        endpointConfig = await getCustomEndpointConfig(endpoint);
+      } catch (err) {
+        logger.error(
+          '[api/server/controllers/agents/client.js #titleConvo] Error getting custom endpoint config',
+          err,
+        );
+      }
     }
     if (
       endpointConfig &&
@@ -869,12 +947,35 @@ class AgentClient extends BaseClient {
     ) {
       clientOptions.model = endpointConfig.titleModel;
     }
+    if (
+      endpoint === EModelEndpoint.azureOpenAI &&
+      clientOptions.model &&
+      this.options.agent.model_parameters.model !== clientOptions.model
+    ) {
+      clientOptions =
+        (
+          await initOpenAI({
+            req,
+            res,
+            optionsOnly: true,
+            overrideModel: clientOptions.model,
+            overrideEndpoint: endpoint,
+            endpointOption: {
+              model_parameters: clientOptions,
+            },
+          })
+        )?.llmConfig ?? clientOptions;
+    }
+    if (/\b(o\d)\b/i.test(clientOptions.model) && clientOptions.maxTokens != null) {
+      delete clientOptions.maxTokens;
+    }
     try {
       const titleResult = await this.run.generateTitle({
         inputText: text,
         contentParts: this.contentParts,
         clientOptions,
         chainOptions: {
+          signal: abortController.signal,
           callbacks: [
             {
               handleLLMEnd,
@@ -900,7 +1001,7 @@ class AgentClient extends BaseClient {
         };
       });
 
-      this.recordCollectedUsage({
+      await this.recordCollectedUsage({
         model: clientOptions.model,
         context: 'title',
         collectedUsage,