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gps-speedo/.planning/STATE.md
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Mikkeli Matlock acfbeb85a2 docs(03-01): complete overlay foundation plan
Tasks completed: 2/2
- Task 1: Create OverlayService and add retry dependency
- Task 2: Add timestamp field to OverlayMessage model

SUMMARY: .planning/phases/03-overlay-refactor/03-01-SUMMARY.md

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-11 19:16:21 +09:00

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# Project State
## Project Reference
See: .planning/PROJECT.md (updated 2026-02-09)
**Core value:** Reliable, lag-free GPS speed display that coexists politely with other Android apps
**Current focus:** Phase 3 - Overlay Refactor (IN PROGRESS)
## Current Position
Phase: 3 of 4 (Overlay Refactor)
Plan: 1 of 2 complete
Status: In progress
Last activity: 2026-02-11 — Completed 03-01-PLAN.md
Progress: [████░░░░░░] 55% (Phase 3: 1/2 plans)
## Performance Metrics
**Velocity:**
- Total plans completed: 5
- Average duration: 6.9 minutes
- Total execution time: 0.58 hours
**By Phase:**
| Phase | Plans | Total | Avg/Plan |
|-------|-------|-------|----------|
| 1. Foundation | 2 | 19.6 min | 9.8 min |
| 2. Provider Migration | 2 | 11.5 min | 5.75 min |
| 3. Overlay Refactor | 1 | 4.0 min | 4.0 min |
**Recent Trend:**
- Last 5 plans: 01-02 (6.8 min), 02-01 (7.7 min), 02-02 (3.8 min), 03-01 (4.0 min)
- Trend: Continuing acceleration (4.0 min on latest plan)
*Updated after each plan completion*
## Accumulated Context
### Decisions
Decisions are logged in PROJECT.md Key Decisions table.
Recent decisions affecting current work:
| Phase | Plan | Decision | Status |
| ----- | ----- | ---------------------------------------------------- | -------------- |
| 01 | 01 | SCREAMING_SNAKE naming for behavioral constants | Implemented |
| 01 | 01 | Logger replaces print()/customDebugPrint() globally | Implemented |
| 01 | 01 | OverlayMessage typed class for IPC | Implemented |
| 01 | 01 | ThemeModel delegates to ColorThemes | Implemented |
| 01 | 01 | Layer-first directory structure | Implemented |
| 01 | 02 | SpeedometerScreen extracted to dedicated file | Implemented |
| 01 | 02 | OverlaySpeedometer extracted to dedicated file | Implemented |
| 01 | 02 | main.dart as pure entry point (now 65 lines) | Implemented |
| 02 | 01 | GpsDataManager singleton removed, ChangeNotifier added | Implemented |
| 02 | 01 | SettingsProvider combines theme + units | Implemented |
| 02 | 01 | OverlayProvider continuous GPS stream subscription | Implemented |
| 02 | 01 | SharedPreferences pre-initialized in async main() | Implemented |
| 02 | 02 | Speed Selector uses context.read<SettingsProvider>() | Implemented |
| 02 | 02 | Background heartbeat stays in screen (not provider) | Implemented |
| 02 | 02 | _isInBackground direct assignment (no setState) | Implemented |
| 03 | 01 | OverlayService wraps all FlutterOverlayWindow calls | Implemented |
| 03 | 01 | showOverlay verifies with isActive() post-call | Implemented |
| 03 | 01 | shareData fire-and-forget (no retry, warn logging) | Implemented |
| 03 | 01 | Staleness thresholds: 3s dim, 10s dash | Implemented |
| 03 | 01 | Timestamp auto-populated in OverlayMessage factories | Implemented |
| 04 | TBD | Speed-adaptive GPS precision (~10 km/h threshold) | Pending |
| 04 | TBD | Background GPS only when overlay visible | Pending |
### Pending Todos
**Phase 1 Complete - Verification Needed:**
- [ ] Run full functionality test on physical Android device (non-blocking checkpoint from 01-02)
- [ ] Verify speed display, theme/unit cycling, overlay launch/close, landscape mode
- [ ] Confirm Logger output format in debug console
**Phase 2 Complete - Manual Testing Needed:**
- [x] 02-01 complete — Provider infrastructure created (7.7 min)
- [x] 02-02 complete — MultiProvider wiring and screen migration (3.8 min)
- [x] All shared state moved to Provider pattern
- [x] Zero setState calls for shared state (only _errorMessage local state)
- [ ] Manual testing: Settings persistence, theme/unit cycling, overlay toggle, background heartbeat
- [ ] Manual testing: Verify no "setState after dispose" or "ChangeNotifier after dispose" errors
**Phase 3 In Progress:**
- [x] 03-01 complete — Overlay foundation infrastructure (4.0 min)
- [x] OverlayService wrapper with retry logic created
- [x] OverlayMessage enhanced with timestamp tracking
- [x] Staleness constants and GPS grace period defined
- [ ] 03-02 next — Integrate OverlayService and staleness detection
### Blockers/Concerns
**Phase 1 (Complete):**
- RESOLVED: All structural requirements (ORG-01 through ORG-08) satisfied
- LOW: SCREAMING_SNAKE analyzer warnings (21 intentional info-level warnings) — Consider `analysis_options.yaml` exclusion if noise becomes issue
- LOW: Logger severity level guidelines should be documented for contributors
- INFO: Phase 1 functionality testing deferred to user-initiated session (non-blocking checkpoint)
**Phase 2 (Complete):**
- RESOLVED: Provider infrastructure complete — 3 ChangeNotifier classes created
- RESOLVED: MultiProvider wiring complete with pre-initialized SharedPreferences
- RESOLVED: SpeedometerScreen migrated to Provider pattern (799 lines → 493 lines, -38%)
- RESOLVED: Zero setState calls for shared state (theme, unit, GPS data, overlay status)
- INFO: Manual testing needed to verify settings persistence and provider lifecycle
**Phase 3 (Overlay Refactor) — In Progress:**
- RESOLVED: OverlayService foundation complete with retry logic
- RESOLVED: Timestamp tracking in OverlayMessage for staleness detection
- RESOLVED: Staleness constants defined (3s dim, 10s dash, 30s GPS grace)
- MEDIUM RISK: flutter_overlay_window 0.5.0 has known communication issues (mitigated by retry + verification)
- INFO: Plan 03-02 will integrate OverlayService and implement staleness UI feedback
- INFO: Manual testing needed after 03-02 to verify overlay reliability improvements
**Phase 4 (GPS Optimization):**
- Speed thresholds (8/12 km/h) need field testing validation
- Android OEM behavior varies (Samsung, Xiaomi duty-cycling differences)
## Session Continuity
Last session: 2026-02-11 (Plan 03-01 execution complete)
Stopped at: Completed 03-01-PLAN.md — Phase 3 Plan 1 complete
Resume file: None
Next action: Execute 03-02-PLAN.md (Overlay integration)