[CLAUDE] Workflow: wire ApproveV2 + LevelOpinions cho 4 WorkflowApps module (Phase 11 P11-A)

Wire full approval workflow V2 cho Leave/OT/Travel/Vehicle — cookie-cutter
mirror Proposal (Mig 38). Trước đây skeleton Phase 1 (Create+List), giờ
ApproveV2 advance-level + UPSERT LevelOpinion + atomic codegen.

Schema (Mig 41 WireWorkflowAppsApprovalV2 — 84→89 tables, pure additive):
- 4 bảng {Leave,Ot,Travel,Vehicle}LevelOpinions (UNIQUE composite + Cascade
  parent + Restrict Level — mirror ProposalLevelOpinion)
- 1 bảng WorkflowAppCodeSequences (shared atomic MaDonTu, Prefix-keyed)
- 4 cột RejectedFromStatus (smart return tracking)
- enum ApprovalWorkflowApplicableType.TravelRequest = 9

Application (LeaveOt + TravelVehicle ApprovalFeatures.cs — 30 handler):
- GetById detail (Include LevelOpinions + JOIN Step/Level) · UpdateDraft
- Submit (gen MaDonTu + DaGuiDuyet + level=1, verify ApplicableType per module)
- Approve (verify actor==ApproverUserId OR Admin, UPSERT opinion latest-write-wins,
  advance level OR terminal DaDuyet, empty comment → placeholder)
- Reject (→TuChoi) · Return (→TraLai + RejectedFromStatus)

Api: 4 controller +6 route mỗi cái (GET/{id}, PUT/{id}, submit/approve/reject/return)
Infra: DbInitializer seed 4 workflow V2 mẫu (QT-NP/OT/CT/XE-V2-001) → UAT test ngay
FE: WorkflowAppDetailPage.tsx declarative 4-kind (fe-admin+fe-user SHA256 identical)
  — workflow status + opinion timeline + action buttons; gỡ banner skeleton + row nav

Tests: +11 WorkflowAppApproveV2Tests (130→141 PASS) — state machine + UPSERT
  invariant + guards + codegen + forbidden + placeholder (Leave full + Ot smoke)

Verify: build 0 error · 141 test PASS · FE build ×2 · reviewer checklist
  (ApplicableType per-module + cross-module DbSet + [Authorize] — no copy-paste bug)
Known-minor (unreachable): Reject/Return actor-check skip nếu CurrentApprovalLevelOrder
  null — nhưng DaGuiDuyet luôn có set (defer hardening).
ItTicket KHÔNG đụng (kanban, no workflow V2).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

.claude/agent-memory/investigator-codebase/MEMORY.md

@@ -70,6 +70,7 @@ Bearer từ `POST api.solutions.com.vn/api/auth/login` → status matrix expecte
 
 ## 📅 Recent activity (FIFO — older → archive/git)
 
+- **2026-05-30 (P11-A WorkflowApps wire pre-flight):** 4 module Leave/OT/Travel/Vehicle. Schema pin ĐÃ CÓ SẴN (Mig 39): `Office/{Module}.cs` đều có `ApprovalWorkflowId?`+`CurrentApprovalLevelOrder?`+`WorkflowAppStatus` (5-state khớp ProposalStatus). SKELETON tại `Application/Office/WorkflowAppsFeatures.cs:11-15` (chỉ Create+List, KHÔNG Approve/Reject/Return/GetById). **Proposal = mirror HOÀN HẢO** (cùng Office ns, Mig 38): `ProposalFeatures.cs:403-486` ApproveHandler = flatten `Steps.OrderBy(Order).SelectMany(Levels.OrderBy(Order))` global level index → `allLevels[CurrentApprovalLevelOrder-1]` → actor match `Level.ApproverUserId==uid||Admin` → UPSERT LevelOpinion → advance++/DaDuyet. ⚠️ `ApprovalWorkflow.cs:72` nói Level **KHÔNG OR-of-N** (1 ApproverUserId/Level) — KHÁC memory cũ "OR-of-N", verify lại. Gap: 4 bảng `{Module}LevelOpinion` mới (Mig 41+), 3 route/controller, 4 seed WF, FE Detail+Opinion (chỉ có WorkflowAppsListPage chung). ⚠️ enum `ApplicableType` THIẾU Travel (có Leave=5/OT=6/Vehicle=7/ItTicket=8); `ExtendApplicableTypeForWorkflowApps` mig empty Up/Down (enum-only). Tag `[pre-flight, p11-a, workflowapps]`.
 - **2026-05-29 (S40 STATE GROUNDING):** 7 metric verify. ✅ Migrations=**40** (path `.../Persistence/Migrations/*.cs`, last `AddAttendances`). ✅ Gotchas=**55** (`### N.`). ✅ git clean. DbSet=77 nhưng **SQL tables=84** (em main verify `.ToTable()` ModelSnapshot — 77+7 Identity, "84 docs ĐÚNG", DbSet count sai −7). Endpoints=**211** (docs ~223). FE pages fe-admin **36**+fe-user 29=**65** (docs 53 under-count). Menu keys=**53** const (docs 85 over-count). 3 số tin cậy nhất = mig/gotcha/git. Lesson: tables phải count ToTable KHÔNG DbSet. Tag `[state-grounding, docs-drift, s40]`.
 - **2026-05-29 (S39 BVAAU 7-agent extract):** Đọc 8 file BVAAU `.claude/agents/` ~22K. Split 4→7 trục research(2)/implement(2)/quality(3). Boundary: repo interface=domain, EF config=infra, test=test-specialist. Tool: cả 7 agent 5 RAG MCP (+search_code BM25 +store_memory +list_projects). BVAAU Phase 0 codebase RỖNG → aspirational template chưa battle-test; SOLUTION_ERP giữ 6 skill + backend/frontend split (thay domain/infra cho 2-FE fit). VIPIX guide claim KHÔNG verify được (file miss). Tag `[cross-project, bvaau, port]`.
 - **2026-05-28 (S37 G-O3 Proposal pre-flight):** PE pattern mirror cho Mig 38. LevelOpinion UNIQUE per-LEVEL `(EntityId, LevelId)` FK Cascade+Restrict. CodeSequence 1 row/Prefix (`DX/YYYY` 3 col Prefix PK+LastSeq, tx SERIALIZABLE). ApproveV2Async 7 step (group Levels by Order=Cấp OR-of-N → match actor.Id∈ApproverUserId + Admin bypass → UPSERT LevelOpinion sync → F2 skipToFinal → advance levelOrder++ → DaDuyet). NamGroup TblRequest generic → **SOL clean-room MẠNH HƠN**. CategoryId nullable FK + free text fallback (lesson Plan C 8 FK ZERO populated). Tag `[pre-flight, g-o3, proposal]`.