Enhance summarization model attributes and database schema

- Updated the Summary entity to include provider and model names, along with tokens used and latency metrics for better tracking of summarization performance.
- Modified the ORM converters and repository methods to accommodate new attributes, ensuring backward compatibility.
- Introduced word timing position indexing to maintain order within summaries.
- Added a new SQLAlchemy model structure for improved organization of persistence layers, including core, identity, and integration models.
- Removed deprecated models and files to streamline the codebase.

repomix.config.json

@@ -12,7 +12,7 @@
     "files": true,
     "removeComments": true,
     "removeEmptyLines": true,
-    "compress": false,
+    "compress": true,
     "topFilesLength": 5,
     "showLineNumbers": false,
     "truncateBase64": false,
@@ -26,7 +26,7 @@
       "includeLogsCount": 50
     }
   },
-  "include": ["src/"],
+  "include": ["src/", "client/"],
   "ignore": {
     "useGitignore": true,
     "useDefaultPatterns": true,