feat: implement comments and activity panel in workspace

- Added CommentsPanel component for managing comments on documents.
- Integrated comment creation, deletion, and resolution functionalities.
- Implemented activity tracking for document interactions.
- Enhanced SketchPage with editing and saving capabilities.
- Introduced template management API endpoints for creating, sharing, and deleting templates.
- Added runtime validation report for frontend and backend.
- Created GettingStartedPanel for user onboarding with template options.
- Implemented Playwright E2E tests for accessibility and export functionality.

backend/app/config.py

@@ -18,6 +18,10 @@ class Settings(BaseSettings):
     refresh_token_expire_days: int = 7
 
     cors_origins: str = "http://localhost:5173,http://127.0.0.1:5173"
+    frontend_url: str = "http://localhost:5173"
+    google_client_id: str = ""
+    google_client_secret: str = ""
+    google_redirect_uri: str = "http://localhost:8000/api/v1/auth/google/callback"
 
     @property
     def is_sqlite(self) -> bool: