Add Knowledge Bases feature with tab-based UI

Remove deprecated Sidebar component and update sidebar width

Fix pointer-events on hidden ContextPanel

Fix race condition in useInitializeAuth hook

Fix login race condition and auth store robustness

Fix frontend login error and add storage versioning

Add production user authentication system

Fix database seeding in production - add agent initialization to wsgi.py

Fix CORS by not sending credentials for cross-origin requests

Fix frontend API URL to use VITE_API_URL env variable in production

Fix Static Web App deployment to serve from dist folder

Add missing frontend lib/utils.ts and fix gitignore

Fix frontend build by separating typecheck from vite build

Add path aliases to root tsconfig.json for tsc -b build mode

Add class-variance-authority dependency for shadcn/ui components