Topbar (avatar, network indicator) was hidden behind iOS status bar
in standalone PWA mode. Added safe-area-inset-top padding to topbar.
Disabled user-scalable to prevent accidental zoom.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Login now requires login/email + password verified against DB via
/api/auth/login. Only approved registrations can access the app.
Signal endpoint accepts JWT Bearer tokens alongside legacy api_key auth.
Old UUID-only registration flow removed from frontend.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
