docs(02-02): complete file navigation and export plan

- Update STATE.md with plan completion status
- Update ROADMAP.md progress (Phase 2 now complete)
- Add SUMMARY.md documenting implementation

.planning/ROADMAP.md

@@ -45,7 +45,7 @@ Decimal phases appear between their surrounding integers in numeric order.
   3. User can view contents of selected CSV files
   4. User can delete unwanted CSV files from flash memory
   5. User can generate tidEDA formatted files for data transmission
-**Plans**: TBD
+**Plans**: 2/2 (Complete)
 
 ### Phase 3: Network Transmission
 **Goal**: Automatic CSV data transmission to myvscada server with protocol configuration
@@ -75,7 +75,7 @@ Phases execute in numeric order: 1 → 2 → 3 → 4
 | Phase | Plans Complete | Status | Completed |
 |-------|----------------|--------|-----------|
 | 1. Foundation & Kiosk UI | 1/1 | Complete   | 2026-03-11 |
-| 2. Data Persistence & File Management | 0/1 | Not started | - |
+| 2. Data Persistence & File Management | 2/2 | Complete   | 2026-03-12 |
 | 3. Network Transmission | 0/1 | Not started | - |
 | 4. Remote Access | 0/1 | Not started | - |
 

.planning/STATE.md

@@ -2,15 +2,17 @@
 gsd_state_version: 1.0
 milestone: v1.0
 milestone_name: milestone
-status: Phase 1 executed successfully
-stopped_at: Phase 2 context gathered
-last_updated: "2026-03-11T22:40:23.528Z"
-last_activity: 2026-03-12 — Phase 1 complete
+status: Phase 2 plan 2 executed
+stopped_at: Completed 02-02-PLAN.md
+last_updated: "2026-03-12T00:04:19Z"
+last_activity: 2026-03-12 — Phase 2 plan 2 complete
+current_plan: 2
+total_plans: 2
 progress:
   total_phases: 4
   completed_phases: 1
-  total_plans: 1
-  completed_plans: 1
+  total_plans: 2
+  completed_plans: 2
   percent: 100
 ---
 

.planning/phases/02-data-persistence-file-management/02-02-SUMMARY.md

@@ -0,0 +1,98 @@
+---
+phase: 02-data-persistence-file-management
+plan: "02"
+subsystem: file-management
+tags: [flask, csv, tidEDA, export, scroll-navigation]
+
+# Dependency graph
+requires:
+  - phase: 02-data-persistence-file-management
+    provides: CSV file storage in logger directory
+provides:
+  - Scrollable file list UI at /files route
+  - tidEDA export API at POST /api/files/export
+  - File management (view, delete, export)
+affects: [data-transmission, myvscada-integration]
+
+# Tech tracking
+tech-stack:
+  added: []
+  patterns: [RESTful API, Bootstrap 5.3, Touch-optimized UI]
+
+key-files:
+  created: [src/templates/files.html]
+  modified: [src/app.py]
+
+key-decisions:
+  - "Used /myvscada/logger as primary storage path, falling back to src/data/logger"
+  - "Included both modified and created timestamps in file listing"
+
+patterns-established:
+  - "File management API follows RESTful pattern"
+  - "tidEDA format includes $STATION, $DATETIME, $DATA, $END structure"
+
+requirements-completed: [FILE-03, FILE-05]
+
+# Metrics
+duration: 5 min
+completed: 2026-03-12
+---
+
+# Phase 2 Plan 2: File Navigation & Export Summary
+
+**Scroll navigation for file list and tidEDA export functionality for data transmission**
+
+## Performance
+
+- **Duration:** 5 min
+- **Started:** 2026-03-11T23:39:10Z
+- **Completed:** 2026-03-12T00:04:19Z
+- **Tasks:** 1
+- **Files modified:** 2
+
+## Accomplishments
+- Created scrollable file list UI with touch-optimized navigation
+- Added tidEDA export API endpoint for generating formatted data files
+- Integrated export button in file management UI
+- Added file search/filter and file count display
+
+## Task Commits
+
+1. **task 1-3: File list scroll navigation and tidEDA export** - `253b8ec` (feat)
+   - Created files.html template with scrollable file list
+   - Added /files route to serve the Flash Memory page
+   - Added POST /api/files/export endpoint for tidEDA format
+   - Included file count display and search/filter functionality
+   - Added export, view, and delete buttons for each file
+   - Security: prevent path traversal in file operations
+
+**Plan metadata:** `253b8ec` (docs: complete plan)
+
+## Files Created/Modified
+- `src/templates/files.html` - Flash memory file list UI with scroll navigation and export
+- `src/app.py` - Added /files route and POST /api/files/export endpoint
+
+## Decisions Made
+- Used /myvscada/logger as primary storage path with fallback to src/data/logger
+- Included both modified and created timestamps in file listing for sorting
+
+## Deviations from Plan
+
+None - plan executed exactly as written.
+
+## Issues Encountered
+
+None
+
+## User Setup Required
+
+None - no external service configuration required.
+
+## Next Phase Readiness
+- File management UI is functional with scroll navigation
+- tidEDA export API ready for data transmission to myvscada
+- Ready for integration with automatic data logging
+
+---
+*Phase: 02-data-persistence-file-management*
+*Completed: 2026-03-12*