Fix 4 reported issues: model selector, approval bug, tool timeout, session limit d745ea8 tfrere HF Staff Cursor commited on Feb 12
Fix TS build errors: unused imports, unknown-as-ReactNode casts d539bd6 tfrere HF Staff Cursor commited on Feb 11
Comprehensive frontend/backend overhaul: unified tool system, responsive UI, code quality e77f678 tfrere HF Staff Cursor commited on Feb 11
