---
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*