feat: Add configurable thinking indicator text

- Add thinkingIndicatorText field to interface configuration schema
- Update ContentParts component to use configurable text instead of hardcoded translation
- Update example config with new option
- Maintain backward compatibility by falling back to default translation

client/src/components/Chat/Messages/Content/ContentParts.tsx

@@ -14,6 +14,7 @@ import Sources from '~/components/Web/Sources';
 import { mapAttachments } from '~/utils/map';
 import { EditTextPart } from './Parts';
 import { useLocalize } from '~/hooks';
+import { useGetStartupConfig } from '~/data-provider';
 import store from '~/store';
 import Part from './Part';
 
@@ -53,6 +54,7 @@ const ContentParts = memo(
     setSiblingIdx,
   }: ContentPartsProps) => {
     const localize = useLocalize();
+    const { data: startupConfig } = useGetStartupConfig();
     const [showThinking, setShowThinking] = useRecoilState<boolean>(store.showThinking);
     const [isExpanded, setIsExpanded] = useState(showThinking);
     const attachmentMap = useMemo(() => mapAttachments(attachments ?? []), [attachments]);
@@ -139,7 +141,7 @@ const ContentParts = memo(
                 }
                 label={
                   effectiveIsSubmitting && isLast
-                    ? localize('com_ui_thinking')
+                    ? startupConfig?.interface?.thinkingIndicatorText || localize('com_ui_thinking')
                     : localize('com_ui_thoughts')
                 }
               />

librechat.example.yaml

@@ -96,6 +96,7 @@ interface:
   marketplace:
       use: false
   fileCitations: true
+  # thinkingIndicatorText: "Thinking..."  # Text shown while AI is generating a response (default: "Thinking...")
   # Temporary chat retention period in hours (default: 720, min: 1, max: 8760)
   # temporaryChatRetention: 1
 

packages/data-provider/src/config.ts

@@ -550,6 +550,7 @@ export const interfaceSchema = z
       .optional(),
     fileSearch: z.boolean().optional(),
     fileCitations: z.boolean().optional(),
+    thinkingIndicatorText: z.string().optional(),
   })
   .default({
     endpointsMenu: true,