Mikkeli Matlock 66bdd35995 feat(03-02): integrate OverlayService into OverlayProvider with error callbacks and GPS grace period ...

- Add OverlayError enum (permission, creationFailed, communicationDegraded)
- Add OverlayService dependency via constructor injection
- Add onError callback field for error surfacing (set by SpeedometerScreen)
- Refactor showOverlay to check permission before showing overlay
- Refactor showOverlay to verify overlay creation via isActive check
- Only set _isOverlayActive after verification succeeds
- Replace all FlutterOverlayWindow calls with OverlayService methods
- Add GPS grace period timer (30s) in _handleOverlayClose
- Cancel grace period if overlay reopens within 30s
- Register OverlayService in MultiProvider before OverlayProvider
- Inject OverlayService into OverlayProvider constructor

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

2026-02-11 19:21:58 +09:00

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overlay_provider.dart

feat(03-02): integrate OverlayService into OverlayProvider with error callbacks and GPS grace period

2026-02-11 19:21:58 +09:00

settings_provider.dart

feat(02-01): create SettingsProvider for theme and unit state

2026-02-10 22:04:00 +09:00