- Removed obsolete TODO in useChat.ts: fetchHistory function already implemented
- Updated EXHAUSTIVE_TODO_LIST.md: Cleanup 14 marked as COMPLETE
- Summary: Fixed 1 TODO, improved 1 TODO, removed 1 obsolete TODO
- Preserved backend-dependent and architectural TODOs per audit recommendations
- Migrated all hooks: useAuth, useChat, useLogin
- Migrated all components: Header, ProfileForm, FollowButton, LikeButton, PlaylistFollowButton, ChatMessage, ChatMessages, CommentThread, CommentSection, PlaylistList, ChatSidebar, SettingsPage, DashboardPage
- Updated storeSelectors.ts useAuthUser() to use React Query
- All production code now uses useUser() hook instead of Zustand store
- Action 4.1.1.3 and 4.1.1.4 complete
- Ajout de type:user_role dans le tag GORM du champ Role
- Amélioration de la détection d'erreurs ENUM dans le service Register
- L'endpoint /auth/register retourne maintenant 201 OK avec tokens
- Score production: 52/70 → 58/70
- PROD-010 marqué comme fixed (P0 blocker résolu)
