Store zone brightness in model/data flow, apply it in the zones UI, and record updated led-driver, led-simulator, and led-tool submodule pointers.
Co-authored-by: Cursor <cursoragent@cursor.com>
- Serve GET /settings as JSON by removing duplicate HTML route (use /settings/page for the standalone UI).
- Save global_brightness via PUT; broadcast to connected drivers; push saved level when outbound WS connects.
- Zones UI loads brightness from GET /settings only (no localStorage).
- Bump led-driver submodule for settings.save on brightness with save flag.
- Extend API doc and endpoint tests for global_brightness.
Co-authored-by: Cursor <cursoragent@cursor.com>
Add a broad set of LED patterns with metadata/tests and update zone/profile preset seeding, while refining mobile/desktop UI behavior for scrolling, brightness controls, and bulk pattern sending.
