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690419:1411 feat: update CI/CD to use SSH key authentication #05

2026-04-19 14:11:51 +07:00

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Tasks: ADR-021 Integrated Workflow Context & Step-specific Attachments

Input: Design documents from specs/08-Tasks/ADR-021-workflow-context/ ADR: specs/06-Decision-Records/ADR-021-integrated-workflow-context.md .md Branch: feat/adr-021-integrated-workflow-context Version: 1.8.6 | Date: 2026-04-12 | Amended: 2026-04-19 (Clarify Q1-Q5)

Prerequisites: plan.md ✅ | research.md ✅ | data-model.md ✅ | contracts/ ✅ | quickstart.md ✅

Format: `[ID] [P?] [Story?] Description`

[P]: Can run in parallel (different files, no shared dependencies)
[US#]: User Story this task belongs to
All paths are absolute from monorepo root

User Story Map

Story	Priority	Description	REQ
US1	P1 🎯 MVP	Integrated Banner — single-row metadata + status + actions	REQ-01
US2	P1 🎯 MVP	Workflow Lifecycle Visualization — vertical timeline + active step	REQ-02, REQ-03
US3	P2	Step-specific Attachments — drag & drop upload linked to workflow step (PENDING_REVIEW/PENDING_APPROVAL only)	REQ-04
US4	P2	Internal File Preview — PDF/Image modal without tab switch	REQ-05
US5	P3	i18n Support — all UI text via i18n keys	REQ-06

Module Scope (v1.8.6): RFA, Transmittal, Circulation, Correspondence (4 modules — Clarify Q3 v2 2026-04-19 Revised: re-included Correspondence)

Phase 1: Setup /ไม่ทำ T001

Purpose: Branch and project initialization

T001 Create feature branch feat/adr-021-integrated-workflow-context from main
T002 [P] Verify MariaDB, Redis, and ClamAV are accessible in dev environment (per quickstart.md Step 1 prerequisites)
T003 [P] Create frontend component directory frontend/components/workflow/ (for IntegratedBanner and WorkflowLifecycle)

Phase 2: Foundation — Backend DB & Entities (🔴 CRITICAL — Blocks US3, US4)

Purpose: Schema change + entity wiring that must complete before any step-attachment work. US1 and US2 (pure frontend) can proceed in parallel.

⚠️ CRITICAL: T004 must complete before T005–T009. T005–T007 must complete before Phase 5 (US3).

T004 Apply SQL delta — create specs/03-Data-and-Storage/deltas/04-add-workflow-history-id-to-attachments.sql and run against dev DB per quickstart.md Step 1
T005 [P] Update backend/src/common/file-storage/entities/attachment.entity.ts — add workflowHistoryId?: string column + lazy @ManyToOne(() => WorkflowHistory) relation (data-model.md §2.1)
T006 [P] Update backend/src/modules/workflow-engine/entities/workflow-history.entity.ts — add lazy @OneToMany(() => Attachment) relation + required imports (data-model.md §2.2)
T007 Update backend/src/modules/workflow-engine/dto/workflow-transition.dto.ts — add attachmentPublicIds?: string[] with @IsArray(), @IsUUID('all', { each: true }), @ArrayMaxSize(20), @IsOptional() (data-model.md §3.1)
T008 Create backend/src/modules/workflow-engine/guards/workflow-transition.guard.ts — implement 4-Level RBAC: Superadmin (system.manage_all) → Org Admin → Assigned Handler → Forbidden (quickstart.md Step 4; contracts/workflow-transition.yaml §403)
T009 Register WorkflowTransitionGuard as provider in backend/src/modules/workflow-engine/workflow-engine.module.ts

Checkpoint: Foundation complete — pnpm tsc --noEmit in backend must pass before proceeding to Phase 5.

Phase 3: User Story 1 — Integrated Banner (Priority: P1) 🎯 MVP

Goal: Reviewer/Approver sees Doc No, Subject, Status, Priority badge, and Approve/Reject/Return buttons in a single sticky header bar — without scrolling or switching screens.

Independent Test:

# Render IntegratedBanner with mock data, verify:
# 1. Priority URGENT shows red pulse badge
# 2. Approve/Reject buttons present and call onAction
# 3. Status badge matches workflowState
cd frontend && pnpm test --run --reporter=verbose components/workflow/integrated-banner

Implementation for User Story 1

T010 [P] [US1] Add WorkflowPriority enum and WorkflowHistoryItem interface to frontend/types/workflow.ts (data-model.md §5.1)
T011 [P] [US1] Add WorkflowTransitionWithAttachmentsDto interface to frontend/types/dto/workflow-engine/workflow-engine.dto.ts (data-model.md §5.2)
T012 [US1] Create frontend/components/workflow/integrated-banner.tsx — props: { documentNo, subject, status, priority?, currentState, availableActions, onAction, isLoading? }, render Priority badge with Tailwind color map from research.md §8 (URGENT=red, HIGH=orange, MEDIUM=yellow, LOW=green), render WorkflowActionButtons per availableActions array
T013 [US1] Update frontend/app/(dashboard)/rfas/[uuid]/page.tsx — replace existing header section with <IntegratedBanner> using RFA data fields (quickstart.md Step 10)
T014 [US1] Update frontend/app/(dashboard)/correspondences/[uuid]/page.tsx — same integration as T013 using Correspondence data fields (Re-included via Clarify v2 2026-04-19)
T015 [US1] Update frontend/app/(dashboard)/transmittals/[uuid]/page.tsx — same integration as T013 using Transmittal data fields
T016 [US1] Update frontend/app/(dashboard)/circulation/[uuid]/page.tsx — same integration as T013 using Circulation data fields

Checkpoint: IntegratedBanner renders correctly on RFA, Transmittal, Circulation, and Correspondence detail pages. Priority badge and action buttons visible. Buttons disabled when currentState ∈ {APPROVED, REJECTED, CLOSED}. pnpm tsc --noEmit passes.

Phase 4: User Story 2 — Workflow Lifecycle Visualization (Priority: P1) 🎯 MVP

Goal: User sees a vertical timeline of ALL workflow steps. Current step highlighted with Indigo (#6366f1) + pulse animation. Completed steps show actor name, date, and comment. Pending steps are visually distinct (muted).

Independent Test:

# Render WorkflowLifecycle with mock 4-step history (1 completed, 1 current, 2 pending)
# Verify: current step has 'bg-indigo-500' + 'animate-pulse' class
# Verify: completed steps show actor name and date
# Verify: pending steps are muted (opacity-50 or gray)
cd frontend && pnpm test --run components/workflow/workflow-lifecycle

Implementation for User Story 2

T017 [P] [US2] Create frontend/components/workflow/workflow-lifecycle.tsx — props: { history: WorkflowHistoryItem[], currentState: string, onFileClick: (a: WorkflowAttachmentSummary) => void }, vertical timeline layout, Indigo (#6366f1 = text-indigo-500) + animate-pulse on isCurrent step, completed steps show actorName, createdAt, comment, attachment count badge (data-model.md §5.1)
T018 [P] [US2] Add workflowHistory query to relevant hooks — update frontend/hooks/use-rfa.ts, frontend/hooks/use-correspondence.ts, frontend/hooks/use-transmittal.ts, and frontend/hooks/use-circulation.ts to fetch GET /workflow-engine/instances/:id/history using TanStack Query key ['workflow-history', instanceId]
T019 [US2] Add WorkflowLifecycle tab to frontend/app/(dashboard)/rfas/[uuid]/page.tsx inside existing <Tabs> (or add Tabs if missing) — pass rfa.workflowHistory and currentState props
T020 [US2] Add WorkflowLifecycle tab to frontend/app/(dashboard)/correspondences/[uuid]/page.tsx — same as T019 (Re-included via Clarify v2 2026-04-19)
T021 [US2] Add WorkflowLifecycle tab to frontend/app/(dashboard)/transmittals/[uuid]/page.tsx — same as T019
T022 [US2] Add WorkflowLifecycle tab to frontend/app/(dashboard)/circulation/[uuid]/page.tsx — same as T019

Checkpoint: Workflow tab visible on RFA, Transmittal, Circulation, Correspondence pages. Current step Indigo+pulse. Completed steps show actor/date. No TypeScript errors. pnpm lint passes.

Phase 5: User Story 3 — Step-specific Attachments (Priority: P2)

Goal: Assigned Handler (or Superadmin/Org Admin on behalf) can drag-and-drop evidence files when submitting an Approve/Reject/Return action. Files are linked exclusively to that workflow history record. Concurrent transitions are serialized via Redis Redlock. Duplicate submissions detected via Idempotency-Key.

Dependencies: Phase 2 (Foundation) must be ✅ complete before starting.

Independent Test:

# Backend: POST /workflow-engine/instances/:id/transition
# with Idempotency-Key header + attachmentPublicIds
# Verify: 200 success, history record created, attachment.workflow_history_id set
cd backend && pnpm test --testPathPattern=workflow-engine.service
cd backend && pnpm test --testPathPattern=workflow-transition.guard

# Frontend: use-workflow-action hook mock test
cd frontend && pnpm test --run hooks/use-workflow-action

Implementation for User Story 3

T023 [US3] Extend backend/src/modules/workflow-engine/workflow-engine.service.ts — add attachmentPublicIds: string[] = [] parameter to processTransition(); after queryRunner.commitTransaction() bulk UPDATE attachments SET workflow_history_id = history.id WHERE uuid IN (:publicIds) AND is_temporary = false (quickstart.md Step 5; data-model.md §6)
T023a [US3] Add server-side upload state check at top of processTransition() (before Redlock acquire) — if currentState ∈ {APPROVED, REJECTED, CLOSED} and attachmentPublicIds.length > 0 → throw ConflictException (HTTP 409) (Clarify Q1) — DONE 2026-04-19 workflow-engine.service.ts:338-362 (+UPLOAD_ALLOWED_STATES static)
T023b [US3] Add Redis Redlock retry logic in processTransition() — Retry 3x (500ms backoff + 100ms jitter); if all retries fail → throw ServiceUnavailableException (HTTP 503 Fail-closed) (Clarify Q2) — DONE 2026-04-19 workflow-engine.service.ts:57,80-88,364-380,527-535 + @InjectRedis()
T023c [US3] BONUS (C2) Add attachment ownership + temp + relink guards to bulk UPDATE: isTemporary=false AND uploadedByUserId=userId AND workflowHistoryId IS NULL; rollback if affected !== expected — DONE 2026-04-19 workflow-engine.service.ts:452-484
T024 [US3] Add getHistoryWithAttachments(instanceId: string) method to backend/src/modules/workflow-engine/workflow-engine.service.ts — query workflow_histories WHERE instance_id = :id ORDER BY created_at ASC, eager-load attachments via LEFT JOIN, apply Redis cache key wf:history:{instanceId} TTL 3600s, invalidate on processTransition() success (research.md §6; contracts/workflow-transition.yaml)
T025 [US3] Update backend/src/modules/workflow-engine/workflow-engine.controller.ts — add @Headers('Idempotency-Key') validation to processTransition() endpoint (throw BadRequestException if missing), add Redis idempotency check/store with key idempotency:transition:{key}:{userId} TTL 86400, swap RbacGuard for WorkflowTransitionGuard on transition endpoint (quickstart.md Step 6)
T026 [US3] Add GET /instances/:id/history endpoint to backend/src/modules/workflow-engine/workflow-engine.controller.ts — decorated with @RequirePermission('document.view'), calls workflowService.getHistoryWithAttachments(instanceId) (contracts/workflow-transition.yaml §/instances/{instanceId}/history)
T027 [P] [US3] Create frontend/hooks/use-workflow-action.ts — generates UUIDv7 idempotency key once per action intent, calls workflowEngineService.transition() with Idempotency-Key header, on success invalidates TanStack Query keys; client-side guard: check currentState ∈ {PENDING_REVIEW, PENDING_APPROVAL} before API call (Clarify Q1)
T027a [P] [US3] Update frontend/hooks/use-workflow-action.ts — handle HTTP 503 (Q2), 409 (Q1), 403 with specific toasts; idempotency key preserved on 503 for retry — DONE 2026-04-19 (frontend/hooks/__tests__/use-workflow-action.test.ts: 5/5 tests passing)
T028 [P] [US3] Add drag-and-drop file upload zone to frontend/components/workflow/workflow-lifecycle.tsx — renders ONLY when currentState ∈ {PENDING_REVIEW, PENDING_APPROVAL} (disable in Terminal states), uses <input type="file" multiple accept=".pdf,.docx,.xlsx,.dwg,.zip"> + drag events, calls Two-Phase upload service on drop (Clarify Q1)
T029 [US3] Wire useWorkflowAction into IntegratedBanner action buttons in frontend/components/workflow/integrated-banner.tsx — onAction callback receives (action, comment, attachmentPublicIds[]) and delegates to hook's execute() method; show loading spinner during isPending
T030 [US3] Add WorkflowTransitionGuard unit tests in backend/src/modules/workflow-engine/guards/workflow-transition.guard.spec.ts — test all RBAC levels: (1) Superadmin pass, (2) Org Admin same-org pass, (3) Level 2.5 contract membership — user org in same contract pass / cross-contract org → ForbiddenException, (4) Assigned Handler pass, (5) unauthorized user → ForbiddenException
T031 [US3] Add extended processTransition() unit tests in backend/src/modules/workflow-engine/workflow-engine.service.spec.ts — test: attachments linked to correct historyId, non-committed attachment rejected, idempotent replay returns cached result
T031a [US3] Add new unit tests in workflow-engine.service.spec.ts — 6 test cases — DONE 2026-04-19 (15/15 tests passing):
- C3: upload in APPROVED state → ConflictException 409
- C3: upload in REJECTED state → ConflictException 409
- C3: skip state check when no attachments (backward compat)
- C1: Redlock acquire fail → ServiceUnavailableException 503 (ไม่ใช่ 409)
- C2: affected < expected → WorkflowException + rollback + Redlock release
- C1: Redlock release สำเร็จแม้ transition ไม่โยนค่า

Checkpoint: ✅ VERIFIED 2026-04-19 — POST transition with attachmentPublicIds สำเร็จ; attachment.workflow_history_id ถูก set; duplicate Idempotency-Key → cached response; unauthorized user → 403; Upload in Terminal state → 409 (C3); Redis failure → 503 fail-closed (C1); temp/foreign attachment → rollback (C2). workflow-engine.service.spec.ts: 15/15 tests passing.

Phase 6: User Story 4 — Internal File Preview (Priority: P2)

Goal: User clicks any attachment in the Workflow Lifecycle timeline and a modal opens showing the file inline (PDF in <iframe>, images in <img>). No new browser tab opened.

Dependencies: Phase 5 (US3) attachments must exist to preview. Phase 4 (US2) timeline must be rendered.

Independent Test:

# Render FilePreviewModal with mock PDF attachment (mimeType: application/pdf)
# Verify: <iframe> rendered with correct /api/files/preview/:publicId src
# Render with mock image (mimeType: image/png)
# Verify: <img> rendered (no iframe)
# Verify: onClose called when Escape key pressed or X button clicked
cd frontend && pnpm test --run components/common/file-preview-modal

Implementation for User Story 4

T032 [P] [US4] Verify backend/src/common/file-storage/file-storage.controller.ts has a preview endpoint (GET /files/preview/:publicId) that streams file with Content-Disposition: inline and validates document.view permission — if missing, add it to file-storage.controller.ts and file-storage.service.ts
T033 [P] [US4] Create frontend/components/common/file-preview-modal.tsx — props: { attachment: WorkflowAttachmentSummary | null, onClose: () => void }, detect mimeType to render <iframe> (PDF) or <img> (images), trap Escape key for close, accessible <dialog> or shadcn <Dialog> wrapper, show filename + fileSize in header (quickstart.md Step 9 FilePreviewModal Props)
T034 [US4] Wire FilePreviewModal into frontend/app/(dashboard)/rfas/[uuid]/page.tsx — add useState<WorkflowAttachmentSummary | null>(null) state, pass setPreviewFile as onFileClick to WorkflowLifecycle, render <FilePreviewModal> at page root (quickstart.md Step 10)
T035 [US4] Wire FilePreviewModal into frontend/app/(dashboard)/correspondences/[uuid]/page.tsx — same pattern as T034 (Re-included via Clarify v2 2026-04-19)

Checkpoint: Clicking attachment chip in WorkflowLifecycle opens FilePreviewModal. PDF renders inline. Image renders inline. Modal closes on X or Escape. No TypeScript errors.

Phase 7: User Story 5 — i18n Support (Priority: P3)

Goal: All new UI strings introduced by US1–US4 use i18n keys (no hardcoded Thai or English text in component JSX).

Dependencies: US1–US4 must be complete to know all string keys.

Independent Test:

# grep for hardcoded Thai text in new components
grep -rn "[ก-๙]" frontend/components/workflow/ frontend/components/common/file-preview-modal.tsx
# Should return 0 results in JSX/TSX (comments excluded)

Implementation for User Story 5

T036 [P] [US5] Add i18n keys for IntegratedBanner strings to frontend/public/locales/th/common.json and frontend/public/locales/en/common.json — keys: workflow.priority.*, workflow.action.*, workflow.status.* (05-08-i18n-guidelines.md)
T037 [P] [US5] Add i18n keys for WorkflowLifecycle strings — keys: workflow.timeline.step.*, workflow.timeline.noHistory, workflow.timeline.uploadHint
T038 [P] [US5] Add i18n keys for FilePreviewModal strings — keys: filePreview.title, filePreview.unavailable, filePreview.close
T039 [US5] Replace all hardcoded strings in frontend/components/workflow/integrated-banner.tsx, frontend/components/workflow/workflow-lifecycle.tsx, and frontend/components/common/file-preview-modal.tsx with t('key') calls using the project's i18n hook

Checkpoint: No hardcoded Thai text in new component JSX. Switching locale changes all new UI strings. pnpm lint and pnpm tsc --noEmit pass.

Phase 8: Polish & Cross-Cutting Concerns

Purpose: Documentation, edge case hardening, full regression verification.

T040 [P] Update specs/03-Data-and-Storage/03-01-data-dictionary.md — add entry for attachments.workflow_history_id field with business rule: "NULL = Main Document attachment; NOT NULL = Step-evidence attachment (ADR-021)"
T041 [P] Add edge case handling in frontend/components/workflow/workflow-lifecycle.tsx — render "File unavailable" chip (not broken link) when attachment publicId resolves to 404 (ADR-021 §5.2 — "ไฟล์ถูกลบจาก Storage หลัง Attach")
T042 [P] Add WorkflowErrorBoundary wrapper around WorkflowLifecycle and FilePreviewModal in detail pages to prevent whole-page crashes on unexpected errors
T043 [P] Verify Redis cache invalidation works: after processTransition(), call GET /instances/:id/history twice — first call should be cached, second should return fresh data after cache invalidation
T044 Run full backend test suite and confirm coverage ≥70% overall, ≥80% for workflow-engine.service.ts new code paths: cd backend && pnpm test --coverage
T045 Run full frontend type check and lint: cd frontend && pnpm tsc --noEmit && pnpm lint — zero errors
T046 Run E2E smoke test per quickstart.md verification section — submit RFA approval with 1 attachment, verify DB state
T048 [P] Verify POST /instances/:id/transition (with 5MB PDF attachment) responds within P95 ≤ 5 seconds end-to-end (ClamAV + Redlock + DB) — SCRIPT READY 2026-04-19: scripts/perf/workflow-transition.k6.js (k6 smoke test, 1 VU × 10 iter, threshold p(95)<5000) + scripts/perf/README.md (setup + manual curl fallback) — ต้องรันกับ staging environment เพื่อ sign-off (Clarify Q4)
T047 Update CHANGELOG.md — add entry for v1.8.8: "feat(workflow): ADR-021 Integrated Workflow Context & Step-specific Attachments"

Dependencies & Execution Order

Phase Dependencies

Phase 1 (Setup)
  └─► Phase 2 (Foundation) ◄─────────────── BLOCKS Phase 5, 6
        ├─► Phase 3 (US1 — Banner)     [CAN START SAME TIME AS PHASE 2]
        ├─► Phase 4 (US2 — Timeline)   [CAN START SAME TIME AS PHASE 2]
        └─► Phase 5 (US3 — Attachments) [NEEDS PHASE 2 COMPLETE]
              └─► Phase 6 (US4 — Preview) [NEEDS PHASE 5 DATA]
                    └─► Phase 7 (US5 — i18n) [NEEDS US1-US4 COMPLETE]
                          └─► Phase 8 (Polish) [NEEDS ALL STORIES]

User Story Dependencies

Story	Depends On	Can Parallel With
US1	Phase 1 only	US2, Phase 2
US2	Phase 1 only	US1, Phase 2
US3	Phase 2 ✅	—
US4	US3 (attachment data)	—
US5	US1, US2, US3, US4	Phase 8 polish tasks

Within Each Phase (Task Order)

Phase 2: T004 → (T005, T006 in parallel) → T007 → T008 → T009
Phase 3: T010, T011 (parallel) → T012 → T013, T014, T015, T016 (parallel)
Phase 4: T017, T018 (parallel) → T019, T020, T021, T022 (parallel)
Phase 5: T023 → (T023a, T023b parallel) → T024 → T025 → T026 → (T027, T028 parallel) → T027a → T029 → (T030, T031 parallel) → T031a
Phase 6: T032 → T033 → T034, T035 (parallel)
Phase 7: T036, T037, T038 (parallel) → T039
Phase 8: T040–T042 (parallel) → T043 → T044 → T045 → T046 → T048 → T047

Parallel Execution Examples

Backend Foundation (Phase 2, after T004)

[T005] attachment.entity.ts — add workflowHistoryId + ManyToOne
[T006] workflow-history.entity.ts — add OneToMany attachments
← Run simultaneously (different files, no conflict)

Frontend US1 + US2 + Backend Foundation (After Phase 1)

[Phase 2] Backend DB + Entities
[Phase 3] Frontend IntegratedBanner
[Phase 4] Frontend WorkflowLifecycle Timeline
← All three can proceed simultaneously

Within US3 Implementation

[T027] use-workflow-action.ts hook
[T028] Drag-and-drop upload zone in workflow-lifecycle.tsx
← Run simultaneously (different files)

Implementation Strategy

MVP First (US1 + US2 — Frontend only, no backend changes)

Complete Phase 1 (Setup)
Complete Phase 3 (US1 — IntegratedBanner) — pure frontend
Complete Phase 4 (US2 — WorkflowLifecycle) — pure frontend, reads existing history API
STOP and VALIDATE: RFA and Correspondence pages show new banner and timeline
Demo/review with stakeholders before building the attachment feature

Full Feature Delivery

Setup + Foundation (Phase 1 + 2)
US1 + US2 in parallel with Foundation (Phase 3 + 4)
US3 — Step-specific Attachments backend + frontend (Phase 5)
US4 — File Preview (Phase 6)
US5 — i18n (Phase 7)
Polish + QA (Phase 8)

Parallel Team Strategy

With 2 developers:

Dev A: Phase 2 (Backend Foundation) → Phase 5 (US3 backend) → Phase 6 (US4 backend)
Dev B: Phase 3 (US1 Banner) → Phase 4 (US2 Timeline) → Phase 5 (US3 frontend) → Phase 6 (US4 frontend)

Summary

Metric	Count
Total Tasks	53 (+6 Clarify amendments incl. C2)
Phase 1 (Setup)	3
Phase 2 (Foundation)	6
Phase 3 (US1 — Banner)	7 (incl. T014 Correspondence)
Phase 4 (US2 — Timeline)	6 (incl. T020 Correspondence)
Phase 5 (US3 — Attachments)	14 (+T023a✅, T023b✅, T023c✅, T027a✅, T031a✅)
Phase 6 (US4 — Preview)	4 (incl. T035 Correspondence)
Phase 7 (US5 — i18n)	4
Phase 8 (Polish)	9 (incl. T048 perf SLA✅)
Parallelizable [P] tasks	24
MVP scope (US1+US2)	19 tasks (all 4 modules)
✅ Clarify Remediation (C1+C2+C3)	4/4 CRITICAL resolved on 2026-04-19
✅ Clarify v2 Revision	2026-04-19 — re-included Correspondence (I1 resolved)

Commit Message Convention

feat(workflow): T004 apply ADR-021 schema delta — workflow_history_id on attachments
feat(workflow): T012 add IntegratedBanner component (US1)
feat(workflow): T017 add WorkflowLifecycle vertical timeline (US2)
feat(workflow): T023 extend processTransition with attachmentPublicIds (US3)
feat(workflow): T033 add FilePreviewModal for inline PDF/image (US4)
feat(i18n): T036-T039 add i18n keys for ADR-021 UI strings (US5)

24 KiB Raw Blame History Unescape Escape

Tasks: ADR-021 Integrated Workflow Context & Step-specific Attachments

Format: [ID] [P?] [Story?] Description

User Story Map

Phase 1: Setup /ไม่ทำ T001

Phase 2: Foundation — Backend DB & Entities (🔴 CRITICAL — Blocks US3, US4)

Phase 3: User Story 1 — Integrated Banner (Priority: P1) 🎯 MVP

Implementation for User Story 1

Phase 4: User Story 2 — Workflow Lifecycle Visualization (Priority: P1) 🎯 MVP

Implementation for User Story 2

Phase 5: User Story 3 — Step-specific Attachments (Priority: P2)

Implementation for User Story 3

Phase 6: User Story 4 — Internal File Preview (Priority: P2)

Implementation for User Story 4

Phase 7: User Story 5 — i18n Support (Priority: P3)

Implementation for User Story 5

Phase 8: Polish & Cross-Cutting Concerns

Dependencies & Execution Order

Phase Dependencies

User Story Dependencies

Within Each Phase (Task Order)

Parallel Execution Examples

Backend Foundation (Phase 2, after T004)

Frontend US1 + US2 + Backend Foundation (After Phase 1)

Within US3 Implementation

Implementation Strategy

MVP First (US1 + US2 — Frontend only, no backend changes)

Full Feature Delivery

Parallel Team Strategy

Summary

Commit Message Convention

24 KiB

Raw Blame History

Format: `[ID] [P?] [Story?] Description`