Update FEATURE_PLAN.md: mark all 9 features as done

FEATURE_PLAN.md

@@ -3,7 +3,7 @@
 > Living feature specification document. Covers all proposed features for the photo
 > upload / OCR / GPS-push app at `~/projects/exif-test/`.
 
-**Legend:** ✅ build queue  ·  💡 proposed  ·  🏗️ in progress
+**Legend:** ✅ done  ·  💡 proposed
 
 ---
 
@@ -609,19 +609,19 @@ Heatmap options:
 - Improve maps ✅
 
 ### Phase 2 — High-impact additions
-1. [ ] Inline Machine ID Edit (#5) — smallest scope, biggest daily-ux gain
+1. [x] Inline Machine ID Edit (#5) — smallest scope, biggest daily-ux gain
-2. [ ] GPS Proximity (#6) — catches missed machines
+2. [x] GPS Proximity (#6) — catches missed machines
-3. [ ] GPS Drift Check (#10) — data quality
+3. [x] GPS Drift Check (#10) — data quality
-4. [ ] Walk-Path Timeline (#7) — visual route validation
+4. [x] Walk-Path Timeline (#7) — visual route validation
 
 ### Phase 3 — Offline + Export + Sessions
-5. [ ] Export (#4) — gets data out of the app
+5. [x] Export (#4) — gets data out of the app
-6. [ ] Offline Queue (#1) — works anywhere
+6. [x] Offline Queue (#1) — works anywhere
-7. [ ] Session Management (#9) — historical tracking
+7. [x] Session Management (#9) — historical tracking
 
 ### Phase 4 — Power-user features
-8. [ ] Batch Machine ID Assign (#8) — speed for multi-photo equipment
+8. [x] Batch Machine ID Assign (#8) — speed for multi-photo equipment
-9. [ ] Coverage Heatmap (#11) — completeness guarantee
+9. [x] Coverage Heatmap (#11) — completeness guarantee
 
 ---