MasterDraco 7041d59267 Add update testing functionality
- Add test mode for simulating available updates
- Implement a toggle to enable/disable test mode
- Add test parameter to check-updates endpoint
- Clean up debugging comments
- Create subtle testing UI controls

This enables testing the update functionality without needing
to create a new higher version in the repository.

🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
2025-03-05 00:12:17 +00:00
..
2025-03-04 22:28:11 +00:00