docs(13): complete File Upload Infrastructure phase

- Mark all 3 plans complete (validation, Redux state, UI integration)
- Update phase status: Complete (2026-02-05)
- Mark 8 requirements as Complete (REQ-1.1-1.4, REQ-6.1-6.3, REQ-7.1)
- Phase verification: 14/14 must-haves verified (100%)
- User verified: file upload working end-to-end with backend 201 Created
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Nuwan 2026-02-05 19:04:17 +05:30
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@ -471,10 +471,10 @@ The following are explicitly **NOT** requirements for v1.2:
| Requirement | Phase | Status |
|-------------|-------|--------|
| REQ-1.1 | Phase 13 | Pending |
| REQ-1.2 | Phase 13 | Pending |
| REQ-1.3 | Phase 13 | Pending |
| REQ-1.4 | Phase 13 | Pending |
| REQ-1.1 | Phase 13 | Complete |
| REQ-1.2 | Phase 13 | Complete |
| REQ-1.3 | Phase 13 | Complete |
| REQ-1.4 | Phase 13 | Complete |
| REQ-2.1 | Phase 14 | Pending |
| REQ-2.2 | Phase 14 | Pending |
| REQ-2.3 | Phase 14 | Pending |
@ -489,10 +489,10 @@ The following are explicitly **NOT** requirements for v1.2:
| REQ-5.3 | Phase 16 | Pending |
| REQ-5.4 | Phase 16 | Pending |
| REQ-5.5 | Phase 16 | Pending |
| REQ-6.1 | Phase 13 | Pending |
| REQ-6.2 | Phase 13 | Pending |
| REQ-6.3 | Phase 13 | Pending |
| REQ-7.1 | Phase 13 | Pending |
| REQ-6.1 | Phase 13 | Complete |
| REQ-6.2 | Phase 13 | Complete |
| REQ-6.3 | Phase 13 | Complete |
| REQ-7.1 | Phase 13 | Complete |
| REQ-7.2 | Phase 14 | Pending |
| REQ-7.3 | Phase 14 | Pending |

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@ -236,9 +236,9 @@ Plans:
9. User can continue using app while upload is in progress (non-blocking)
Plans:
- [ ] 13-01-PLAN.md — TDD: Attachment validation service (validateFileSize, validateFileType, getAttachmentType)
- [ ] 13-02-PLAN.md — TDD: Redux upload state and REST helpers (uploadAttachment thunk, uploadMusicNotation)
- [ ] 13-03-PLAN.md — Attach button integration (JKChatAttachButton + JKChatComposer integration)
- [x] 13-01-PLAN.md — TDD: Attachment validation service (validateFileSize, validateFileType, getAttachmentType)
- [x] 13-02-PLAN.md — TDD: Redux upload state and REST helpers (uploadAttachment thunk, uploadMusicNotation)
- [x] 13-03-PLAN.md — Attach button integration (JKChatAttachButton + JKChatComposer integration)
#### Phase 14: Chat Integration & Display
**Goal**: Attachments display as messages in chat window with metadata and clickable links
@ -319,7 +319,7 @@ Phases execute in numeric order: 1 → 2 → 3 → 4 → 5 → 6 → 7 → 8 →
| 10. Read/Unread Status Management | v1.1 | 1/1 | Complete | 2026-01-27 |
| 11. Chat Finalization | v1.1 | 2/2 | Complete | 2026-01-31 |
| 12. Attachment Research & Backend Validation | v1.2 | 2/2 | Complete | 2026-02-02 |
| 13. File Upload Infrastructure | v1.2 | 0/3 | Not started | - |
| 13. File Upload Infrastructure | v1.2 | 3/3 | Complete | 2026-02-05 |
| 14. Chat Integration & Display | v1.2 | 0/2 | Not started | - |
| 15. Real-time Synchronization | v1.2 | 0/1 | Not started | - |
| 16. Attachment Finalization | v1.2 | 0/2 | Not started | - |

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@ -0,0 +1,212 @@
---
phase: 13-file-upload-infrastructure
verified: 2026-02-05T13:31:43Z
status: passed
score: 14/14 must-haves verified
---
# Phase 13: File Upload Infrastructure Verification Report
**Phase Goal:** Users can select files from OS dialog and upload to S3 with validation and progress feedback
**Verified:** 2026-02-05T13:31:43Z
**Status:** PASSED ✅
**Re-verification:** No — initial verification
## Goal Achievement
### Observable Truths
| # | Truth | Status | Evidence |
|---|-------|--------|----------|
| 1 | User selecting file over 10 MB sees immediate error before upload | ✓ VERIFIED | validateFileSize() in attachmentValidation.js checks file.size > MAX_FILE_SIZE, toast.error() in JKSessionScreen.js handleFileSelect(), user confirmed toast displays |
| 2 | User selecting unsupported file type sees immediate error | ✓ VERIFIED | validateFileType() checks extension whitelist, toast.error() displays allowed types list, user confirmed .exe/.zip rejected |
| 3 | User selecting valid file passes validation and uploads | ✓ VERIFIED | validateFile() returns {valid: true} for .pdf/.png/.mp3, dispatch(uploadAttachment()) called, backend 201 Created confirmed |
| 4 | User sees human-readable file sizes | ✓ VERIFIED | formatFileSize() converts bytes to "5.0 MB" format, exported and available for Phase 14 |
| 5 | User clicking Attach sees "Uploading..." state immediately | ✓ VERIFIED | uploadAttachment.pending sets status='uploading', button text changes to "Uploading...", button disabled, user confirmed |
| 6 | User sees upload complete when backend responds | ✓ VERIFIED | uploadAttachment.fulfilled sets status='idle', progress indicator disappears, user confirmed backend 201 response |
| 7 | User sees error message when upload fails | ✓ VERIFIED | uploadAttachment.rejected sets error message, useEffect triggers toast.error(), 413/422 status codes handled with custom messages |
| 8 | User uploading >10 MB rejected by backend sees error | ✓ VERIFIED | Backend validation exists (Phase 12 docs), 413 status code mapped to "File too large - maximum 10 MB" |
| 9 | User can dismiss error and retry | ✓ VERIFIED | clearUploadError() resets state to idle, file input re-enabled, button clickable after error |
| 10 | User clicks Attach button and OS file dialog opens | ✓ VERIFIED | handleAttachClick() triggers attachFileInputRef.current.click(), user confirmed dialog opens |
| 11 | User selects invalid file and sees immediate error toast | ✓ VERIFIED | validateFile() runs before upload, toast.error() for validation.error, no network request made, user confirmed |
| 12 | User selects valid file and upload starts automatically | ✓ VERIFIED | handleFileSelect() dispatches uploadAttachment() for valid files, user confirmed upload begins immediately |
| 13 | User sees "Uploading [filename]..." in chat during upload | ✓ VERIFIED | JKChatUploadProgress component renders uploadFileName, isUploading selector, user confirmed message displays |
| 14 | User can continue using app while upload is in progress | ✓ VERIFIED | Async thunk non-blocking, UI responsive, only Attach button disabled, user confirmed |
**Score:** 14/14 truths verified (100%)
### Required Artifacts
| Artifact | Expected | Status | Details |
|----------|----------|--------|---------|
| `jam-ui/src/services/attachmentValidation.js` | File validation utilities | ✓ VERIFIED | 127 lines (exceeds min 60), exports validateFileSize, validateFileType, getAttachmentType, validateFile, formatFileSize, MAX_FILE_SIZE, ALLOWED_EXTENSIONS |
| `jam-ui/src/services/__tests__/attachmentValidation.test.js` | Unit tests for validation | ✓ VERIFIED | 264 lines (exceeds min 80), 37 tests passing, 100% coverage of validation functions |
| `jam-ui/src/store/features/sessionChatSlice.js` | Upload state management | ✓ VERIFIED | uploadState in initialState, uploadAttachment thunk, setUploadStatus/clearUploadError reducers, 5 selectors exported |
| `jam-ui/src/helpers/rest.js` | REST helpers for upload | ✓ VERIFIED | uploadMusicNotation() uses native fetch with FormData (NOT apiFetch), getMusicNotationUrl() uses apiFetch, 1022+ lines total |
| `jam-ui/src/store/features/__tests__/sessionChatSlice.test.js` | Unit tests for upload state | ✓ VERIFIED | Tests for uploadAttachment.pending/fulfilled/rejected, 413/422 error handling, 5 selector tests, all passing |
| `jam-ui/src/components/client/JKSessionScreen.js` | Attach button in toolbar | ✓ VERIFIED | Imports validateFile, uploadAttachment, upload selectors; handleAttachClick/handleFileSelect callbacks; hidden file input; functional button with disabled state |
| `jam-ui/src/components/client/chat/JKChatUploadProgress.js` | Upload progress component | ✓ VERIFIED | 42 lines (exceeds min 30), exports JKChatUploadProgress, shows Spinner + "Uploading {fileName}...", styled as system message |
| `jam-ui/src/components/client/chat/JKChatMessageList.js` | Progress display in chat | ✓ VERIFIED | Imports JKChatUploadProgress, selectIsUploading, selectUploadFileName; conditional render when isUploading && uploadFileName |
**Artifact Status:** 8/8 verified (100%)
### Key Link Verification
| From | To | Via | Status | Details |
|------|----|----|--------|---------|
| JKSessionScreen.js | attachmentValidation.js | validateFile import and call | ✓ WIRED | Line 59: import validateFile; Line 1014: validateFile(file) before upload |
| JKSessionScreen.js | sessionChatSlice | uploadAttachment dispatch | ✓ WIRED | Line 58: import uploadAttachment; Line 1032: dispatch(uploadAttachment({file, sessionId, clientId})) |
| sessionChatSlice.js | rest.js | uploadMusicNotation call | ✓ WIRED | Line 2: import uploadMusicNotation; Line 62: await uploadMusicNotation(formData) in thunk |
| rest.js uploadMusicNotation | /music_notations API | native fetch POST | ✓ WIRED | Line 1026: fetch(`${baseUrl}/music_notations`) with FormData body, credentials:'include', 201 response confirmed |
| JKChatMessageList.js | JKChatUploadProgress | component render | ✓ WIRED | Line 15: import JKChatUploadProgress; Line 176-178: conditional render when isUploading && uploadFileName |
| JKSessionScreen.js | upload state selectors | useSelector hooks | ✓ WIRED | Lines 203-205: useSelector(selectIsUploading/selectUploadError/selectUploadFileName) |
| JKSessionScreen.js | error toast | useEffect on uploadError | ✓ WIRED | useEffect watches uploadError, calls toast.error(), dispatches clearUploadError() |
**Link Status:** 7/7 wired (100%)
### Requirements Coverage
| Requirement | Status | Supporting Evidence |
|-------------|--------|---------------------|
| REQ-1.1: Attach button in toolbar | ✓ SATISFIED | Button at line 1242-1251 in JKSessionScreen.js toolbar (NOT chat composer), user confirmed location |
| REQ-1.2: File type validation | ✓ SATISFIED | validateFileType() checks ALLOWED_EXTENSIONS whitelist, .pdf/.xml/.mxl/.txt/.png/.jpg/.jpeg/.gif/.mp3/.wav allowed |
| REQ-1.3: File size validation (10 MB) | ✓ SATISFIED | validateFileSize() checks file.size > 10*1024*1024, client-side pre-upload validation |
| REQ-1.4: Upload progress indicator | ✓ SATISFIED | JKChatUploadProgress component shows "Uploading [filename]..." with spinner in chat window |
| REQ-6.1: Client-side size validation | ✓ SATISFIED | validateFile() runs before upload dispatch, fails fast for oversized files |
| REQ-6.2: Client-side type validation | ✓ SATISFIED | validateFile() checks extension before upload, rejects disallowed types immediately |
| REQ-6.3: Error toast display | ✓ SATISFIED | toast.error() for validation failures, upload errors, custom messages for 413/422 |
| REQ-7.1: Non-blocking upload | ✓ SATISFIED | Async thunk pattern, UI remains responsive, only Attach button disabled during upload |
**Requirements:** 8/8 satisfied (100%)
### Anti-Patterns Found
| File | Line | Pattern | Severity | Impact |
|------|------|---------|----------|--------|
| None | - | - | - | No anti-patterns detected |
**Anti-Pattern Check:** CLEAN ✓
- No TODO/FIXME comments in modified files
- No placeholder content or stub patterns
- No console.log-only implementations
- No empty return statements
- All functions substantive with real logic
### Human Verification Completed
User verification completed during Plan 13-03 execution (see 13-03-SUMMARY.md):
**✅ All 4 verification points APPROVED:**
1. **File dialog opens:** Attach button in toolbar opens OS file selector
2. **Invalid file handling:** Large files (>10 MB) and wrong types (.exe, .zip) show error toast
3. **Valid file upload:** .pdf, .png, .txt files trigger upload with progress display
4. **Backend integration:** Rails logs show `POST /api/music_notations 201 Created`
**User observations:**
- No error toast after successful upload (expected - backend accepts file)
- "Uploading..." progress message disappears after completion (expected)
- New message appears in chat (basic display - Phase 14 will enhance)
- Backend API integration confirmed working
**Issues found and auto-fixed during verification:**
1. ESLint no-unused-expressions error (optional chaining) → Fixed with explicit if checks (commit: edf74f724)
2. Duplicate /api/ prefix in URL → Fixed by removing prefix from endpoint (commit: b1ed2247b)
Both bugs were correctness issues with minimal fixes (1-line changes each). No scope impact.
## Verification Details
### Plan 13-01: Attachment Validation Service
**Truths verified:**
- ✓ validateFileSize() correctly validates 10 MB limit (37 tests passing)
- ✓ validateFileType() checks extension whitelist case-insensitively
- ✓ getAttachmentType() returns 'audio' for .mp3/.wav, 'notation' for others
- ✓ validateFile() combines size + type validation with warnings
- ✓ formatFileSize() converts bytes to human-readable format
**Artifacts verified:**
- ✓ attachmentValidation.js: 127 lines (exceeds min 60), all 7 exports present
- ✓ attachmentValidation.test.js: 264 lines (exceeds min 80), 37 tests passing
**Key links verified:**
- ✓ validateFile() imported and called in JKSessionScreen.js handleFileSelect()
- ✓ No stub patterns detected (comprehensive implementations)
### Plan 13-02: Redux Upload State and REST Helpers
**Truths verified:**
- ✓ uploadAttachment.pending sets status='uploading', fileName, progress=0
- ✓ uploadAttachment.fulfilled resets status='idle', clears fileName
- ✓ uploadAttachment.rejected sets status='error', error message
- ✓ 413 status → "File too large - maximum 10 MB"
- ✓ 422 status → "Invalid file type or format"
**Artifacts verified:**
- ✓ sessionChatSlice.js: uploadState in initialState (4 fields)
- ✓ uploadAttachment thunk implemented with FormData building
- ✓ setUploadStatus/clearUploadError reducers working
- ✓ 5 selectors exported: selectUploadStatus/Error/Progress/FileName/IsUploading
- ✓ uploadMusicNotation() uses native fetch (NOT apiFetch) - CRITICAL for FormData
- ✓ getMusicNotationUrl() uses apiFetch - correct for JSON response
**Key links verified:**
- ✓ uploadAttachment calls uploadMusicNotation(formData)
- ✓ uploadMusicNotation POSTs to /music_notations with credentials:'include'
- ✓ Backend responds with 201 Created (user confirmed)
**Tests verified:**
- ✓ uploadAttachment.pending/fulfilled/rejected tests passing
- ✓ 413/422 error handling tests passing
- ✓ All 5 selector tests passing
### Plan 13-03: Attach Button UI Integration
**Truths verified:**
- ✓ Attach button in session toolbar (line 1242-1251, NOT in chat composer)
- ✓ Button click opens OS file dialog via hidden input ref
- ✓ Invalid files show error toast before upload (validation first)
- ✓ Valid files dispatch uploadAttachment() immediately
- ✓ Upload progress "Uploading [filename]..." displays in chat
- ✓ Progress message disappears when upload completes
- ✓ Attach button shows "Uploading..." and is disabled during upload
- ✓ Error toast displays on upload failure with clearUploadError()
**Artifacts verified:**
- ✓ JKSessionScreen.js: handleAttachClick/handleFileSelect callbacks, upload state selectors, useEffect for errors
- ✓ JKChatUploadProgress.js: 42 lines, Spinner + filename display, styled as system message
- ✓ JKChatMessageList.js: imports JKChatUploadProgress, conditional render when isUploading && uploadFileName
**Key links verified:**
- ✓ JKSessionScreen imports and calls validateFile(file)
- ✓ JKSessionScreen dispatches uploadAttachment({file, sessionId, clientId})
- ✓ JKSessionScreen useEffect watches uploadError, triggers toast.error()
- ✓ JKChatMessageList imports upload selectors, renders JKChatUploadProgress conditionally
**User verification:**
- ✓ All 4 verification points approved
- ✓ Backend integration confirmed (201 Created)
- ✓ 2 bugs found and auto-fixed during verification
## Next Steps
**Phase 13 is COMPLETE.** All 3 plans verified. Ready to proceed to Phase 14: Chat Integration & Display.
**Phase 14 dependencies satisfied:**
- ✓ File upload infrastructure working end-to-end
- ✓ Backend API integration confirmed (201 Created)
- ✓ Upload progress feedback functional
- ✓ Chat window integration ready for attachment message display
**No gaps found. No blockers identified.**
---
*Verified: 2026-02-05T13:31:43Z*
*Verifier: Claude (gsd-verifier)*
*Verification Mode: Initial (goal-backward, 3-level artifact verification)*