ToS acceptance was stored in localStorage which gets cleared on app
updates, causing users to re-login frequently. Now stores ToS state
in SQLite (~/.local/share/qbz/legal_settings.db) which survives
updates.
- Add legal_settings.rs with SQLite storage for ToS acceptance
- Update qobuzLegalStore.ts to use Rust invoke commands
- LoginView now loads ToS from Rust before auto-login check
- Migration from localStorage for existing users
Closes#31
vicrodh
3926209b0d