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docs(04-01): complete core GPS engine plan

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- Created SUMMARY.md documenting lifecycle-aware GPS engine implementation
- Updated STATE.md to Phase 4 Plan 1 of 2 complete (70% progress)
- Added 6 key decisions to STATE.md decisions table
- Updated performance metrics: 7 plans, 4.9 min average for Phase 4
- Updated session continuity and blockers sections
- Documented self-check results: all files and commits verified

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Mikkeli Matlock
2026-02-12 09:04:59 +09:00
parent 1618cfeb26
commit 8bc1e392a5
2 changed files with 221 additions and 18 deletions
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.planning/STATE.md
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@@ -9,19 +9,19 @@ See: .planning/PROJECT.md (updated 2026-02-09)
## Current Position
Phase: 3 of 4 (Overlay Refactor)
Plan: 2 of 2 complete
Status: Phase complete
Last activity: 2026-02-11 — Completed 03-02-PLAN.md
Phase: 4 of 4 (GPS Power Optimization)
Plan: 1 of 2 complete
Status: In progress
Last activity: 2026-02-12 — Completed 04-01-PLAN.md
Progress: [██████░░░░] 60% (Phase 3: 2/2 plans complete)
Progress: [███████░░░] 70% (Phase 4: 1/2 plans complete)
## Performance Metrics
**Velocity:**
- Total plans completed: 6
- Average duration: 6.3 minutes
- Total execution time: 0.63 hours
- Total plans completed: 7
- Average duration: 6.0 minutes
- Total execution time: 0.71 hours
**By Phase:**
@@ -30,10 +30,11 @@ Progress: [██████░░░░] 60% (Phase 3: 2/2 plans complete)
| 1. Foundation | 2 | 19.6 min | 9.8 min |
| 2. Provider Migration | 2 | 11.5 min | 5.75 min |
| 3. Overlay Refactor | 2 | 8.25 min | 4.1 min |
| 4. GPS Optimization | 1 | 4.9 min | 4.9 min |
**Recent Trend:**
- Last 5 plans: 02-01 (7.7 min), 02-02 (3.8 min), 03-01 (4.0 min), 03-02 (4.25 min)
- Trend: Consistent sub-5-minute plans in Phase 3
- Last 5 plans: 02-02 (3.8 min), 03-01 (4.0 min), 03-02 (4.25 min), 04-01 (4.9 min)
- Trend: Consistent sub-5-minute plans continuing in Phase 4
*Updated after each plan completion*
@@ -70,8 +71,12 @@ Recent decisions affecting current work:
| 03 | 02 | Error callback pattern for provider-to-screen comm | Implemented |
| 03 | 02 | Staleness opacity via withValues(alpha:) no animation | Implemented |
| 03 | 02 | GPS grace period timer created (Phase 4 lifecycle) | Implemented |
| 04 | TBD | Speed-adaptive GPS precision (~10 km/h threshold) | Pending |
| 04 | TBD | Background GPS only when overlay visible | Pending |
| 04 | 01 | Speed-adaptive GPS precision (8/12 km/h hysteresis) | Implemented |
| 04 | 01 | Precision switching gated until 5s after first fix | Implemented |
| 04 | 01 | Background grace period re-checks overlay at expiry | Implemented |
| 04 | 01 | Wake lock contextual: GPS + (overlay OR foreground) | Implemented |
| 04 | 01 | GPS stop preserves last data for staleness display | Implemented |
| 04 | 01 | BACKGROUND_GRACE_PERIOD (7s) replaces GPS_GRACE_PERIOD| Implemented |
### Pending Todos
@@ -125,13 +130,20 @@ Recent decisions affecting current work:
- INFO: Manual testing needed to verify overlay reliability improvements on physical device
- INFO: All OVRL-01 through OVRL-06 requirements satisfied
**Phase 4 (GPS Optimization):**
- Speed thresholds (8/12 km/h) need field testing validation
- Android OEM behavior varies (Samsung, Xiaomi duty-cycling differences)
**Phase 4 (GPS Optimization) - In Progress:**
- RESOLVED: Core GPS engine complete with lifecycle awareness and precision switching
- RESOLVED: ProcessedGpsData timestamp field added for staleness detection
- RESOLVED: Background grace period (7s) with race condition protection
- RESOLVED: Conditional wake lock (GPS active + visible)
- INFO: Plan 04-01 complete (4.9 min) — ready for Plan 04-02 (UI Integration)
- PENDING: SpeedometerScreen needs gpsDataManager.setOverlayProvider() call
- PENDING: Background heartbeat (5s) may need adjustment vs 7s grace period
- FIELD TESTING: Speed thresholds (8/12 km/h) need validation on physical device
- FIELD TESTING: Android OEM behavior varies (Samsung, Xiaomi duty-cycling differences)
## Session Continuity
Last session: 2026-02-11 (Plan 03-02 execution complete)
Stopped at: Completed 03-02-PLAN.md — Phase 3 complete
Last session: 2026-02-12 (Plan 04-01 execution complete)
Stopped at: Completed 04-01-PLAN.md — Phase 4 in progress (1/2 plans)
Resume file: None
Next action: Begin Phase 4 (GPS Optimization) planning
Next action: Execute Plan 04-02 (UI Integration)