dev-app-update.yml and update-notification.tsx were still referencing the
old multica-ai/multica repo. Updated both to multica-ai/super-multica.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Implement one-click desktop auto-update with version checking, download progress, and automatic installation. Includes toast notification UI in bottom-right corner showing update status (checking, available, downloading, ready, or error).
Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>