# Implementer-Backend — Archive 2026-06 (S41-S55 verbose, curated S? Harness-9)

> **Archived:** 2026-06-17 Harness-9 Stage B curate (em main proxy). 14 verbose Recent-activity bullets moved BYTE-EXACT from MEMORY.md (L87-L104) to keep L1 HOT slim < 25KB.
> **Scope:** S55 master-import → S41 P11-A Wave 1 schema (+ 3 already-condensed Archived-stubs pointing git d2f52ba / earlier q4). FIFO chronological NEWEST-first as they appeared in L1.
> **FROZEN:** entries below are verbatim copies — do NOT reflow/edit. Re-grounding of stale counts is a separate pass (additive-only).
> **KEEP in MEMORY.md:** header+role+split boundary + BE Patterns 1-4/7-9/12-bis/12-ter + anti-patterns+BE conventions + Curate trigger + 6 newest Recent-activity (06-17 Off_Dashboard → S56 GOLIVE-HARDEN).

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## Moved Recent-activity entries (verbatim, FIFO newest-first as in L1)

- **S55 master-data import (Mig 48 `AddProjectMasterFields` 4 AddColumn no-table + `SeedRealMasterDataAsync` 62 Project+71 WorkItem+3 Supplier) [proxy by em main — agent return truncated gotcha #53 before MEMORY step]:** Project entity +4 prop (`Year int?`, `Investor/Location/Package string?`, maxlen 250/500/300 ProjectConfiguration). `ProjectFeatures.cs` DTO+CreateCmd+UpdateCmd+validators+handlers+List/Get projections +4 (all nullable, appended end). **`SeedRealMasterDataAsync`** = 3 tuple-loop per-code idempotent (mirror `SeedDemoMasterDataAsync:2185` `existingCodes.Contains→skip`) wired UNGATED line 118 AFTER `SeedCatalogsAsync` → reaches prod (DemoSeed:Disabled=true KHÔNG gate, by-design như SeedDemoMasterData/Catalogs). Project Name=Code khi Excel blank. WorkItem 4 Category (Vật tư16/Thầu phụ30/MEP9/Thiết bị16, gen Code VT/TP/MEP/TB-NN; divider "THIẾT BỊ" dropped). Supplier NTP→NhaThauPhu/NCC→NhaCungCap, extras→Note. **FLOCK01 collision** demo↔real → per-code skip (demo thắng, real code+year only, OK). Compile-fix `MasterCatalogFilteredUniqueTests.cs` +4 null args CreateProjectCommand (necessary build-green). **Runtime Dev proof (em main):** app-start seeded 62proj/71wi/3sup landed, CAL01.Investor col populates, 0 overflow/dup. Build 0/0, test 216. Data spec `scripts/master-import-data.generated.md`. Tag `[s55, master-import, mig48, seed-real-ungated, project-4field]`.
- **S54 ItTicket reassign cross-stack — IT-staff self-service (NO migration, 2 BE file edit):** NEW `GetAssignableItStaffQuery`+`AssignableStaffResult(CanReassign,Staff)`+`AssignableStaffDto(Id,FullName)` capability endpoint (REGION 5 WorkflowAppsFeatures.cs) + MODIFIED `AssignItTicketHandler`: authz Admin-OR-dept-IT → `ForbiddenException`; assignee-must-be-IT → `ConflictException`. Controller `/assign` hạ `[Authorize(Roles="Admin")]`→`[Authorize]` (handler enforce fine-grained data-driven) + NEW `GET /assignable-staff`. Predicate IT = reuse round-robin S52 `Departments.Where(Code=="IT" && !IsDeleted)`. `ICurrentUser` KHÔNG có DepartmentId → query `db.Users.Where(Id==cu.UserId).Select(DepartmentId)`. 2 pattern split (em main reconciled từ stray src/Backend/.claude — cwd-relative Write mishap): [[pattern-controller-lower-authorize-handler-finegrained]] + [[pattern-scoped-capability-endpoint-anti-silent-403]]. Build 0/0, test 203→216 (test-specialist +13 authz), reviewer PASS (role-string "Admin" chain-verified real: AppRoles→SeedRoles→JWT ClaimTypes.Role→cu.Roles). Tag `[s54, it-ticket-reassign, capability-endpoint, authz-handler, no-mig]`.
- **S54 Task D BE — promote AttendanceReport to sidebar menu leaf (NO migration, 2 file edit):** Case 1 mechanical, menu = DbInitializer idempotent seed (not schema). 3 insert: (1) MenuKeys.cs const `OffAttendanceReport = "Off_AttendanceReport"` after OffChamCong:124 · (2) MenuKeys.cs All[] Off-group line +`OffAttendanceReport` after OffChamCong:158-159 · (3) DbInitializer.cs menu tuple `(OffAttendanceReport, "Báo cáo chấm công", Off, 8, "FileBarChart")` after OffChamCong:1787 (Order 8, parent Off, mirror Vehicle/Driver S51). **adminPermAutoViaAll=TRUE verified 2-point:** `SeedAdminPermissionsAsync` DbInitializer:1916 iterates `MenuKeys.All` → full-CRUD Permission row per missing key (idempotent `existingMenuKeys.Contains`); `Program.cs:78` iterates All × Actions → policy registration. +All[] = both auto, NO manual grant. **Idempotent-add verified:** menu upsert loop DbInitializer:1845-1862 `existingItems.TryGetValue(key)` miss → `MenuItems.Add` (existing prod gets leaf on restart, existing rows only Order-reconciled — same as S51). Build 0 err (2 pre-existing DocxRenderer warn). KHÔNG touch FE (menuKeys.ts/Layout = implementer-frontend) / tests / commit. Tag `[s54, task-d, menu-leaf, no-mig, admin-perm-via-all]`.

- **S53 gotcha #57 EXT BE — filter 3 Master Code unique indexes + Mig 46 local catch-up (Mig 47 `FilterMasterCatalogUniqueIndexesByIsDeleted`, index-only no-table):** Test-before RED→GREEN driven (test-specialist `MasterCatalogFilteredUniqueTests`, 3 FAIL on unfiltered → must turn GREEN). gotcha #57 4th+5th+6th cumulative (S45 Holiday Mig 43, S51 HRM×3 Mig 45 → now Department/Project/Supplier). Edit 3 config Code unique: `b.HasIndex(x=>x.Code).IsUnique()` → `+.HasFilter("[IsDeleted] = 0")`. **KEY: copied EXACT filter string byte-for-byte from HolidayConfiguration:18 + LeaveTypeConfiguration:19** (spaces around `=`, NOT guessed) → snapshot+SQL Server consistent with 13 existing filtered indexes. SupplierConfiguration: ONLY Code index filtered, `HasIndex(x=>x.Type)` :25 LEFT untouched (verified snapshot 3590 Type no-filter). Mig diff CLEAN: Up=3×DropIndex+3×CreateIndex filtered, Down=3×reverse unfiltered (no drift, no extra table/col). Master entities HAVE global `HasQueryFilter(!IsDeleted)` (unlike HRM) — app-check `db.X.AnyAsync(Code==req.Code)` filters soft-deleted → passed; then bare DB index counted it → UNIQUE violation 500. Filter aligns DB index with app-check. **Mig 46 local catch-up:** S52 left local LocalDB stuck at Mig 45 (prod had 46 via CI, local gap). `database update` to BOTH DBs applied Mig 46 (`AddSlaFieldsToItTicket`) THEN Mig 47 — residual closed. Dev override `--connection SolutionErp_Dev`; Design factory-default `SolutionErp_Design` (both `(localdb)\MSSQLLocalDB`). Build 0 err (2 pre-existing DocxRenderer warn). Full suite 203 GREEN (58 Domain + 145 Infra, +3 new). KHÔNG touch FE/test/commit (em main commits). Tag `[s53, gotcha-57-ext, mig47, mig46-catchup, filter-byte-for-byte]`.

- **S52 P11-D Wave2 BE — ItTicket round-robin + SLA (Mig 46 `AddSlaFieldsToItTicket`, 3 AddColumn no-table) [proxy by em main: agent killed session-limit trước MEMORY step]:** Entity +SlaDueAt/SlaWarnedSent/SlaBreached. `CreateItTicketHandler`: `SlaWindow` static map (Urgent4/High8/Medium24/Low72h) **shared với `ItTicketSlaJob`** (single-source) → `e.SlaDueAt=CreatedAt+window`. Round-robin least-loaded: `db.Users.Where(DepartmentId==itDeptId && IsActive).OrderBy(db.ItTickets.Count(assigned && !Closed && !Resolved)).ThenBy(Id).First()` (itDept = `Departments.Code=="IT"`); no IT-staff → unassigned. NEW `ItTicketSlaJob:BackgroundService` mirror SlaExpiryJob (30s warmup/15min loop/scope) NHƯNG **KHÔNG auto-transition** — chỉ breach (SlaDueAt<now & !breached & open → SlaBreached=true + notify assignee) + warning (≤20% window → notify + SlaWarnedSent), idempotent qua guard. DI `AddHostedService<ItTicketSlaJob>` sau SlaExpiryJob. `AssignItTicketCommand` + PUT `/{id}/assign` `[Authorize(Roles=Admin)]`. DTO +SlaDueAt/SlaBreached + projection. **DbInitializer `SeedItDepartmentStaffAsync` KEY ordering: PHẢI chạy SAU `SeedDemoUsersAsync`** (method đó reconcile 2 user dept về PRO/CCM mỗi boot → override về IT sau, end-state deterministic) + dept "IT" thứ 10 + gán nv.cao/nv.truong (sample user, idempotent). Build 0-err. Tag `[s52, p11-d, mig46, round-robin, sla-job, seed-ordering]`.

- **S52 P11-E+F Wave1 BE migration-FREE (4 file new + 3 edit, NO mig):** Case 1/2 deterministic ~98% em main. **P11-F** (2 LOC): `CreateItTicketHandler` set `e.MaTicket = WorkflowAppCodeGen.GenerateMaDonTuAsync(db,"IT",clock.Now.Year,clock,ct)` TRƯỚC `db.ItTickets.Add` — gen lúc Create (kanban no-workflow, khác Leave/OT gen lúc Submit). Helper = `internal static` cùng ns Office, gọi trực tiếp no-using. Format `IT/2026/001`. **P11-E** report chấm công: NEW `AttendanceReportFeatures.cs` (DTO 3 record EXACT + GetAttendanceReportHandler) + NEW `IAttendanceReportExcelExporter`(App/Reports/Services) + NEW Infra `AttendanceReportExcelExporter`(ClosedXML mirror ContractExcelExporter, sync `Export(dto)` no-DB) + DI scoped + Controller +2 endpoint `[Authorize(Roles=Admin)]`. **KEY gotcha day-type:** DayOfWeek+holidaySet KHÔNG EF-translate → `.ToListAsync()` rồi group/classify IN-MEMORY C#. **KEY gotcha type:** `Holiday.Date`=**DateOnly** KHÔNG DateTime (spec viết HashSet<DateTime> nhầm) → `HashSet<DateOnly>` + so `DateOnly.FromDateTime(a.AttendanceDate.Date)`. OtPolicy active fallback 1.5/2.0/3.0. Day-type prio: holiday→weekend(Sat/Sun)→weekday. OtWeighted=Σ(cấp×hệ số). FullName denorm ưu tiên `Attendance.UserFullName` rồi User.FullName. DeptName LEFT JOIN. RenderResult=(Content,FileName,ContentType) ns Forms.Services. Controller inject exporter ctor. Build 0 err (2 pre-existing DocxRenderer warn). KHÔNG touch FE/test/mig/ItTicket-khác. Routes: GET `/api/attendances/report?year&month&departmentId` + `/report/excel`. Tag `[s??, p11-e-f, wave1, no-mig, day-type-in-memory, dateonly-holiday]`.

- **S51 P11-C HMW W1 — Vehicle+Driver catalogs HrmConfigs (Mig 44 `AddVehicleAndDriverCatalogs`, 9 add-point ~12 file/edit):** Pattern 12-bis catalog-mega 4th cumulative. 2 entity (`Vehicle`/`Driver`:AuditableEntity Domain/Hrm) + 2 EF config (mirror `HolidayConfiguration` filtered, NOT buggy bare LeaveType) + 2 DbSet (IAppDbContext+ApplicationDbContext) + Mig 3-file + HrmConfigFeatures Region5/6 (DTO+List/Create/Update/Delete CQRS mirror Region1 EXACT) + Controller +2 route group (8 endpoint, GET public + POST/PUT/DELETE `[Authorize(Roles=Admin)]`) + MenuKeys +2 const +All array + DbInitializer (menu 2 leaf + SeedHrmConfigsAsync guard&seed 2 veh+2 drv). **gotcha #57 KEY:** Code UNIQUE `.HasFilter("[IsDeleted]=0")` — Mig diff verified CLEAN 2 CreateTable + 2 filtered IX no drift. Validator MaxLength = em main schema (Code50/Name200/Plate20/Phone20/LicNum50/LicClass20/Desc500), SeatCount GreaterThanOrEqualTo(0). Admin perm AUTO-grant: `SeedAdminPermissionsAsync` + `Program.cs:78` both iterate `MenuKeys.All` → +All array = 8 policy + Admin row auto (no manual grant code). HRM no HasQueryFilter → `.Where(!IsDeleted)` manual. Applied BOTH DB. Build 0 err (2 pre-existing DocxRenderer warn). RAG/Qdrant DOWN → all Read/Grep on-disk. Spec deterministic ~98% em main → ACCEPT Case 1. KHÔNG touch FE/test/commit. Tag `[s51, p11-c, mig44, vehicle-driver, catalog-mega]`.
- **S43 P11-B Wave 1 — LeaveBalance business logic (Mig 42 `AddLeaveBalances`, 7 file: 1 entity + 1 config + 2 DbSet edit + Mig 3-file + 1 hook edit + 1 Features + 1 Controller):** Case 1/3 deterministic ~98% em main spec. Pattern 12-ter-adjacent single-entity: entity `LeaveBalance:AuditableEntity` (UserId/LeaveTypeId/Year + EntitledDays/UsedDays/AdjustmentDays decimal(5,2), nav LeaveType). Config FK LeaveType WithMany() **Restrict** (catalog no cascade) + UNIQUE composite (UserId,LeaveTypeId,Year) + IX UserId. Mig diff CLEAN: 1 CreateTable + 3 IX, no drift. Applied BOTH DB (Dev `SolutionErp_Dev` + Design default). **Deduction hook:** insert in `ApproveLeaveRequestHandler` terminal else (DaDuyet branch) ONLY — UPSERT LeaveBalance, `bal.UsedDays += p.NumDays`, exactly-once guaranteed by early guard `Status != DaGuiDuyet throw`. OtRequest/Travel/Vehicle UNTOUCHED (only Leave has balance). CQRS `Application.Hrm`: DTO RemainingDays=Entitled+Adjustment−Used COMPUTED (not stored) + GetMy/GetUser lazy-merge (load active LeaveTypes + balances → in-memory merge, synth default when no row — KHÔNG EF LEFT JOIN translate) + AdjustLeaveBalanceCommand admin upsert (HasValue-gated). **Policy resolved:** HRM admin convention = `[Authorize(Roles="Admin")]` NOT menu policy (verified HrmConfigsController write endpoints) — used on GET-by-user + PUT /adjust; /my = `[Authorize]`. Controller injects IDateTime for year default `clock.Now.Year` (thin, no DateTime.Now hardcode). HRM no HasQueryFilter → `.Where(!IsDeleted)` manual everywhere. KHÔNG touch FE/test/commit. Build 0 err (2 pre-existing DocxRenderer warn). Tag `[s43, p11-b-w1, mig42, leave-balance, single-entity]`.
- **S42 P11-A SEED — 4 sample ApprovalWorkflow V2 for WorkflowApps (DbInitializer.cs only, +4 method ~210 LOC + 4 call):** Case 1 mechanical mirror `SeedSampleProposalWorkflowV2Async` EXACT × 4 (Leave5/Ot6/Travel9/Vehicle7). Each: idempotent `AnyAsync(ApplicableType==X)` guard → resolve approver `binh.le@solutions.com.vn` (SAME user as Proposal/Contract seed, null→LogWarning+return) → 1 ApprovalWorkflow (Version=1, IsActive+IsUserSelectable=true, ActivatedAt=UtcNow) + 1 Step (Order=1, Name="Cấp duyệt", DepartmentId=CCM?.Id) + 1 Level (Order=1, ApproverUserId). Codes QT-NP/OT/CT/XE-V2-001. Wired 4 calls after SeedSampleProposalWorkflowV2Async (NOT gated DemoSeed, gotcha #51 infra seed). Enum verified Grep. Build 0 err 0 warn. Bash tool = bash NOT PowerShell despite env hint (use `cd && cmd | grep`). Spec deterministic 100% → ACCEPT Case 1. NOT touched App/Controller/FE/test/Mig. Tag `[s42, p11-a, seed, mirror-proposal-exact]`.
- **S42 P11-A Wave 2b APP — wire ApproveV2 CQRS Travel+Vehicle (`TravelVehicleApprovalFeatures.cs` ~830 LOC + 2 controller edit):** Cookie-cutter mirror Wave 2a / ProposalFeatures Region 2. 1 new file ns `Application.Office`: 2 module × (DetailDto + LevelOpinionDto + GetById JOIN Step/Level metadata + UpdateDraft + Submit + Approve UPSERT+advance + Reject TuChoi + Return TraLai+RejectedFromStatus) + 1 shared `internal static TravelVehicleCodeGen.GenerateMaDonTuAsync` (Serializable tx, `WorkflowAppCodeSequences` Prefix-keyed, prefix `DT/CT/{year}` Travel & `DX/XE/{year}` Vehicle, format `{prefix}/{seq:D3}` — D3 no year segment per spec). KEY gotcha: WorkflowAppStatus enum DIFFERS from ProposalStatus int values (DaGuiDuyet=2 not 1, TraLai=3) → mirror by SEMANTIC enum member not literal. Owner = `RequesterUserId` (not DrafterUserId). Submit verify wf.ApplicableType==Travel9/Vehicle7 else Conflict. 2 controller +6 route each (GET{id}/PUT/submit/approve/reject/return) nested body records, CreatedAtAction. KHÔNG sửa WorkflowAppsFeatures.cs/Leave/Ot/FE/test/seed. Build 0 err. Spec deterministic ~98% em main → ACCEPT Case 1/2. Tag `[s42, p11-a, wave-2b, mirror-proposal-region2]`.
- **Archived S42 P11-A Wave 2a APP (LeaveOt ApproveV2 CQRS) → git history (S65b FIFO trim):** KEY absorbed Pattern 4 + WorkflowAppCodeGen Serializable-tx Prefix-keyed `{prefix}/{year}/{seq:D3}` + WorkflowAppStatus enum DIFFERS ProposalStatus (mirror SEMANTIC member not literal) + Owner=RequesterUserId. Detail in Wave 2b entry above + S56 em-main Serializable note.
- **S41 P11-A Wave 1 SCHEMA — wire ApproveV2+LevelOpinions 4 WorkflowApps (Mig 41 `WireWorkflowAppsApprovalV2`):** Pattern 12-bis cookie-cutter mirror Proposal Mig 38, 13× cumulative. 11 file: 5 entity (4 `{Leave,Ot,Travel,Vehicle}RequestLevelOpinion` + shared `WorkflowAppCodeSequence` Prefix-PK) + 5 EF config (auto-discover ApplyConfigurationsFromAssembly, no manual register) + edit 4 parent (nav LevelOpinions + `WorkflowAppStatus? RejectedFromStatus`) + edit enum (`TravelRequest=9`) + 2 DbSet (IAppDbContext+ApplicationDbContext, 5 each). Mig diff CLEAN: 5 CreateTable + 4 AddColumn (no drift). FK Cascade parent + Restrict Level + UNIQUE composite ({Parent}Id, ApprovalWorkflowLevelId). Applied BOTH DB (Dev + Design). Build 0 err. Wave 2 (App/Controller) + Wave 4 (test) deferred per spec. Spec deterministic 100% (em main chose schema) → ACCEPT Case 1. Tag `[s41, p11-a, 12-bis-13x, mig41]`.
- **Archived S35 G-H2 BE-CRUD-4-catalog + S29 Plan-B-Chunk-C Contract-V2-mirror → `archive/2026-05-q4.md` (S65 FIFO trim):** KEY absorbed Pattern 12-bis foundation above (catalog-mega + HRM `.Where(!IsDeleted)` manual + Validator MaxLength=EF-source).
- **Archived FE/test + older BE entries → `archive/2026-05-q4.md` + git d2f52ba (S40 curate):** S35 FE inline forms 5 satellite (→ frontend domain) · S34 test bundle +10 [Fact] 130 PASS (→ test-specialist domain) · S33 Task 5 EmployeesListPage · S32 wrap/startup. KEY absorbed in Patterns above + split pointers.

<!-- FIFO'd from MEMORY.md at S112 (2026-07-12): Recent-activity S77 → S56, dates 2026-06-10..19 -->
- **2026-06-19 (S77 PE +2 ghi-chú giá đề xuất BE — Mig 57 `AddPeSuggestedPriceNotes` 3-file, 6 edit/0 new file, COOKIE-CUTTER S73 suggested-price + S74 CcmNote, em-main CONTRACT-locked names 100% → ACCEPT Case 1):** PRO dải Min/Max + CCM 1 giá (S73) +ô GIẢI THÍCH vì-sao min vs max (anh Kiệt FDC + Tra Sol). 2 cột nullable, no table/index/backfill. (1) `PurchaseEvaluation.cs` +`string? ProSuggestedPriceNote`/`CcmSuggestedPriceNote` ngay sau CcmSuggestedPrice. (2) `PurchaseEvaluationConfiguration.cs` +`HasMaxLength(1000)` ×2 sau ApprovedPriceSource (KHÔNG index — free-text). (3) Mig: Up=2 AddColumn nvarchar(1000) nullable, Down=2 DropColumn, snapshot ×2 verified — clean mirror Mig 55. (4a) `UpdatePeSuggestedPriceProCommand` +trailing `string? Note=null` + validator `MaximumLength(1000)` MATCH-EF (S35) + handler **absolute-set** `pe.ProSuggestedPriceNote=request.Note` (null=clear, gia-đình text-field) + changelog part khi đổi. (4b) `UpdatePeSuggestedPriceCcmCommand` mirror + changelog suffix "(kèm ghi chú)". Role-gate KHÔNG đụng (Note gated y giá: Forbidden fail-closed TRƯỚC side-effect đã có). (5) Controller `SuggestedPriceProBody`/`CcmBody` +`string? Note` + pass `body.Note` vào cmd (4th/3rd positional). (6) `PurchaseEvaluationDetailBundleDto` +`ProSuggestedPriceNote`/`CcmSuggestedPriceNote` sau CcmSuggestedPrice + projection PEFeatures.cs positional-insert ĐÚNG order (DTO positional → order khít projection BẮT BUỘC). **Call-site grep verify (S65b lesson):** `new UpdatePeSuggestedPrice(Pro|Ccm)Command\(` repo-wide → 2 controller (đã sửa) + 18 test named-arg/positional-dừng-trước-Note → trailing-optional fully backward-compat, 0 test edit. FE 0 ref (đúng — implementer-frontend next). Build SolutionErp.slnx (2 test project, gotcha #65) **0 warn 0 err**. KHÔNG apply DB/FE/test/commit. Route: `note` camelCase qua PUT `/suggested-price/{pro,ccm}` body + GET detail bundle. Tag `[s77, pe-suggested-price-note, mig57, two-column-no-table, absolute-set, trailing-optional-callsite-safe, positional-dto-order]`.
- **2026-06-17 (S? Off_Dashboard menu leaf BE — NO migration, 3 edit/2 file, idempotent seed mirror S53/S54-TaskD, em-main spec deterministic 100% → ACCEPT Case 1):** +1 menu key `Off_Dashboard` ("Bảng điều khiển Văn phòng số"), pattern = S53 Off_AttendanceReport EXACT. 3 insert: (1) `MenuKeys.cs` const `OffDashboard = "Off_Dashboard"` ngay sau root `Off:99` · (2) `MenuKeys.cs` All[] line `Off, OffDanhBa` → `Off, OffDashboard, OffDanhBa` · (3) `DbInitializer.cs` SeedMenuTreeAsync tuple `(OffDashboard, "Bảng điều khiển Văn phòng số", Off, **0**, "LayoutDashboard")` trước OffDanhBa=1 (Order 0 = landing đầu nhóm, KHÔNG renumber children 1-7 hiện có). **KEY recon — Off_* leaves ARE IN All[] (NOT factory-excluded):** task hint "leaf may be excluded+granted-via-factory" KHÔNG áp Off (chỉ Pe_* leaf sinh động). Off_AttendanceReport :160 in All → tôi follow SAME = +All. Admin auto 2-point verified: `SeedAdminPermissionsAsync:2001` + `Program.cs:78` both iterate `MenuKeys.All` → +All = 4 policy {Read/Create/Update/Delete} + Admin Permission row auto, NO manual grant. **Revoke verified KHÔNG sửa:** `RevokeTemporarilyHiddenModulesAsync:2170` `p.MenuKey.StartsWith("Off")` → Off_Dashboard tự nằm trong scope ẩn-non-Admin. `InReviewScope:2070` chỉ match Catalog*/Master-keys/Pe_* → Off_Dashboard KHÔNG re-grant non-admin. Idempotent: upsert loop :1909 `existingItems.TryGetValue(key)` miss→Add / hit→chỉ reconcile Order (prod DB cũ nhận leaf next boot, re-run no-op). Build SolutionErp.slnx (gồm 2 test project, gotcha #65) **0 warn 0 err**. KHÔNG touch FE (menuKeys.ts/Layout=implementer-frontend)/test/mig/commit. Tag `[s?, off-dashboard, menu-leaf, no-mig, admin-perm-via-all, order-0-landing]`.
- **2026-06-16 (S65b PE +HoSoLink BE — Mig 51 `AddHoSoLinkToPurchaseEvaluation` 3-file, 6 file edit + 0 new file, em-main CHỐT spec 100% → ACCEPT Case 1):** Phiếu PE +1 cột `HoSoLink` = 1 hyperlink tới thư mục hồ sơ NAS (anh Kiệt paste link, FE render bấm-mở). KHÔNG entity con/bảng mới — 1 cột nullable. (1) `PurchaseEvaluation.cs` +`string? HoSoLink` sau MoTa. (2) `PurchaseEvaluationConfiguration.cs` +`HasMaxLength(1000)` (KHÔNG index — hyperlink free-text, không filter/join). (3) Mig via `dotnet ef migrations add` → Up=1 `AddColumn<string> nvarchar(1000) maxLength:1000 nullable` NO table NO index, Down=1 DropColumn; snapshot HoSoLink nvarchar(1000) verified. (4a) `CreatePurchaseEvaluationCommand` +trailing `string? HoSoLink = null` (sau WorkItemId — optional-param-after-required rule) + validator `MaximumLength(1000)` MATCH EF (S35 lesson) + handler `HoSoLink = request.HoSoLink`. (4b) `UpdatePurchaseEvaluationDraftCommand` +trailing `string? HoSoLink = null` + validator 1000 + handler **absolute-set** `entity.HoSoLink = request.HoSoLink` (Section-1 text-field family MoTa/DiaDiem pattern → null=clear, KHÔNG null-safe-keep như WorkItemId picker; deliberate: hyperlink user cần clear được). (5) `PurchaseEvaluationDetailBundleDto` +`string? HoSoLink` sau MoTa + projection `e.HoSoLink` positional-insert đúng vị trí. **RANG-CUNG grep verify (bài học CreateDepartmentCommand CS7036):** `Grep CreatePurchaseEvaluationCommand|UpdatePurchaseEvaluationDraftCommand` repo-wide gồm tests → 0 manual `new ...Command(...)` call-site (controller bind `[FromBody]` model-binding, KHÔNG manual ctor; tests dùng NAMED-ARG dừng ở WorkItemId) → trailing-optional-default fully backward-compat, KHÔNG sửa call-site nào. List DTO KHÔNG đụng (spec chỉ Detail/Get). `.slnx` KHÔNG update (chỉ 2 mig-file trong project có sẵn). KHÔNG apply DB/FE/test/commit. Build SolutionErp.slnx (gồm 2 test project) **0 warn 0 err** (DocxRenderer warn cleared). Route: `hoSoLink` camelCase qua POST/PUT body + GET detail. Tag `[s65b, pe-hosolink, mig51, one-column-no-table, trailing-optional-param, named-arg-callsite-safe]`.
- **2026-06-16 (S65 Department hierarchy BE — Mig `AddDepartmentParentId` 3-file, 4 file edit + 0 new file, em-main schema CHỐT → ACCEPT Case 1):** Cây tổ chức nền trang Hồ sơ Nhân sự. (1) `Department.cs` +`Guid? ParentId` loose-Guid KHÔNG physical FK (convention PE.ProjectId/WorkItemId/SelectedSupplierId). (2) `DepartmentConfiguration.cs` +`HasIndex(x=>x.ParentId)` only — **KHÔNG `HasOne` self-FK** (em main chốt loose). (3) `DepartmentFeatures.cs` +`GetDepartmentTreeQuery`+`DepartmentTreeNodeDto`+Handler (append existing file, NO new .cs → `.slnx` KHÔNG cần update; slnx lists projects-not-files). (4) `DepartmentsController.cs` +`[HttpGet("tree")]`. **KEY recon finding (spec asked verify):** `EmployeeProfile` has **NO `DepartmentId`** — links via `UserId`; org-chart dept field nằm trên **`User.DepartmentId`** (Mig 11) → GROUP BY `db.Users.Where(DepartmentId!=null && IsActive).GroupBy(DepartmentId).ToDictionary` = DirectEmployeeCount (recon NOT schema-decision). Tree ráp in-mem: roots=ParentId-null OR orphan-parent (safe-root); TotalEmployeeCount=Direct+Σ(Children.Total) đệ quy rollup via `record with{}`; **cycle-guard HashSet<Guid> visited** (node đã thăm→return null cắt vòng); Children sort `OrderBy(Code, StringComparer.Ordinal)` ổn định. **Authz copy-từ-đâu:** `[HttpGet]` List = CHỈ class-level `[Authorize]` (no per-action attr) → `/tree` cũng vậy (verified read controller). Mig diff CLEAN: AddColumn ParentId nullable + CreateIndex IX_Departments_ParentId, NO new table, Down DropIndex→DropColumn (SQL 5074 order). KHÔNG apply (prod/CI). Build SolutionErp.slnx 0/0. KHÔNG touch FE/test/seed-parent/commit (em main). Route `GET /api/departments/tree`→`List<DepartmentTreeNodeDto>`. Tag `[s65, dept-hierarchy, loose-guid-no-fk, in-mem-tree-rollup, cycle-guard, user-departmentid-source]`.

- **2026-06-11 (S57bis PE WorkItemId BE slice — PARTIAL, on-behalf em main ghi hộ, H2-proposed):** Return-truncated #53 TRƯỚC Mig 49 + projection-3 → em main solo hoàn tất (fix CS7036 + CS8019, Mig 49 `AddWorkItemToPurchaseEvaluation` 3-file, projection ListItemDto ×3 LEFT-join WorkItems, UpdateDraft null-safe `if (request.WorkItemId is not null)` chống null-hóa bug-class S42). LEARNED: FK-guard loose-Guid `AnyAsync(w.Id==x && w.IsActive)`→Conflict (mirror S43); validator `NotEmpty` create-only, DB nullable backward-compat 4 phiếu cũ; `NotEmpty()` trên `Guid?` KHÔNG chặn `Guid.Empty` → handler guard bắt (defense-in-depth). SURPRISE: truncate 2 session liên tiếp (S55, S57bis) ở slice lớn cross-layer → cắt stage nhỏ hơn (entity+config / mig / projection tách spawn). Tag `[s57bis, truncated-53, on-behalf]`.

- **2026-06-10 (S57-resume spawn-test H4.8 — Harness-4 two-tier):** Mình bị DEMOTE pin `model: claude-opus-4-8` (deterministic-scaffold class, double-gate reviewer+test+cicd sau lưng). Spawn-test echo model NGAY sau edit → self-report `claude-fable-5[1m]` = SE env (CCD harness) KHÔNG fresh-read frontmatter → pin ăn SAU restart CLI. Post-restart mình chạy Opus 4.8 (effort Max giữ env-wide); task hệ-trọng giao mình qua hmw có thể override `tier:'fable'`. Tag [h4-demote, spawn-test, pending-restart].

  _(S56 GOLIVE-HARDEN 3 BE fix — ExecuteUpdate-atomic LeaveBalance + fail-closed AssignItTicket authz + DocxRenderer CS8602 → FIFO'd S77; verbatim git/archive. em-main post-review bumped tx → `IsolationLevel.Serializable` per database-agent. Test 228 green.)_

<!-- FIFO'd from MEMORY.md at S116 (2026-07-13): Recent-activity 2026-06-25..19 (S88 · PE Section-B Mig 59 · PE chuông) -->
- **2026-06-25 (S88 PE stability cleanup — FROZEN-module mechanical relocation + 1 stale-comment fix BE — NO migration, 3 edit/2 file, em-main spec deterministic 100% file/line/boundary given → ACCEPT Case 1):** Pure mechanical move ZERO behavior-change. **T1 misplaced-command relocate:** `SetPeCcmBudgetPeriodCommand`+Validator+Handler (BUDGET setter writes `pe.CcmBudgetPeriodAmount` Section B "NS kỳ này" CCM, Mig 59) sống NHẦM trong suggested-PRICE file → move về budget file. (a) REMOVE `PeSuggestedPriceFeatures.cs` lines 144-199 (blank + `===== CCM NS kỳ này =====` header → `SetPeCcmBudgetPeriodCommandHandler` closing `}`); file end clean tại line 143 (`UpdatePeSuggestedPriceCcmCommandHandler` `}`), suggested-price PRO/CCM trên giữ nguyên. (b) APPEND `PeWorkItemBudgetFeatures.cs` END sau line 200 (`UpdatePeBudgetCcmCommandHandler` `}`) → cạnh budget setters `UpdatePeBudgetPro/Ccm`. Code BYTE-IDENTICAL (logic/authz Admin\|CostControl fail-closed/validation GTE(0).When(HasValue)/absolute-set null=clear/changelog UNCHANGED); CHỈ prepend 1 comment line `// [S88] Chuyển từ PeSuggestedPriceFeatures.cs về đây (đúng nhóm budget setter).`. Usings 8-header IDENTICAL 2 file → KHÔNG add duplicate. Namespace `SolutionErp.Application.PurchaseEvaluations` SAME → MediatR type-resolution transparent, controller `:125` KHÔNG đụng. **T2 stale-comment fix:** `Dtos/PurchaseEvaluationDtos.cs` ~250-254 comment trên `decimal WinnerQuoteTotal` ghi SUM "của SelectedSupplierId" (OLD single-winner) → verified actual compute `PurchaseEvaluationFeatures.cs:1093-1099` = `Suppliers.Where(s=>s.IsWinner)` (multi, Mig 58) → sửa CHỈ comment-text "MỌI đơn vị IsWinner (multi-winner Mig 58)". Field/code UNCHANGED. **LESSON:** frozen-relocation = read BOTH file FIRST exact boundary + verify usings-superset target + verify stale-comment claim vs real compute-site TRƯỚC sửa (KHÔNG trust comment blind, mirror S35 EF-source-of-truth). Build `SolutionErp.Application.csproj -v q` **0 warn 0 err** (4s). KHÔNG test (test-specialist)/FE/mig/commit. Tag `[s88, frozen-relocation, byte-identical-move, mediatr-type-resolve-transparent, stale-comment-verify-compute-site, no-behavior-change]`.
- **2026-06-24 (PE Section B 3-cột THỰC HIỆN — CCM "NS kỳ này" cột riêng BE — Mig 59 `AddCcmBudgetPeriodToPurchaseEvaluation` 3-file, 5 edit/0 new file, em-main CHỐT spec+API-contract 100% → ACCEPT Case 1):** Section B tách 3 cột Dự án|PRO|CCM giống Section A. PRO=`BudgetPeriodAmount` sẵn có; CCM nhập cột riêng độc-lập. COOKIE-CUTTER mirror S77 suggested-price-Ccm + S65b HoSoLink one-column. (1) `PurchaseEvaluation.cs` +`decimal? CcmBudgetPeriodAmount` sau ExpectedRemainingAmount. (2) `PurchaseEvaluationConfiguration.cs` +`HasColumnType("decimal(18,2)")` sau ExpectedRemaining (spec asked literal decimal(18,2); siblings dùng HasPrecision(18,2) NHƯNG emit identical column — tôi follow spec verbatim HasColumnType). (3) Mig: Up=1 AddColumn decimal(18,2) nullable NO table/index, Down=1 DropColumn, snapshot verified — clean mirror Mig 52. (4) DTO `PurchaseEvaluationDetailBundleDto` +`decimal? CcmBudgetPeriodAmount` sau ExpectedRemainingAmount TRƯỚC BudgetSummary + projection PEFeatures.cs:1110 positional-insert đúng order (positional record → projection order BẮT BUỘC khít). (5) Setter `SetPeCcmBudgetPeriodCommand(Guid Id, decimal? CcmBudgetPeriodAmount):IRequest` append `PeSuggestedPriceFeatures.cs` (same concern PE role-gate setters) + Validator `GreaterThanOrEqualTo(0).When(HasValue)` (budget=0 hợp lệ) + Handler fail-closed Forbidden Admin|CostControl TRƯỚC side-effect (S56 #5) + absolute-set null=clear (gotcha #73) + changelog Header (sibling-consistency; spec min=SaveChanges). (6) Controller `[HttpPatch("{id:guid}/budget/ccm-period")]` + `CcmBudgetPeriodBody` (spec EXPLICIT PATCH dù siblings PUT — follow spec). **Call-site verify:** `new PurchaseEvaluationDetailBundleDto(` repo-wide → EXACTLY 1 (PEFeatures:1100, đã sửa) → positional-safe. Submit-guard `BudgetPeriodAmount` PRO KHÔNG đụng. Build SolutionErp.slnx (6 proj incl 2 test, gotcha #65) **0 warn 0 err**. KHÔNG apply DB/FE/test/commit. Route FE/test mirror: DTO field `ccmBudgetPeriodAmount` camelCase + PATCH `/api/purchase-evaluations/{id}/budget/ccm-period` body `{ ccmBudgetPeriodAmount }`. Tag `[pe-section-b-3col, ccm-budget-period, mig59, one-column-no-table, absolute-set-fail-closed, positional-dto-order, patch-per-spec]`.
- **2026-06-19 (PE chuông báo approver BE — NO migration, 1 edit/1 file, em-main spec deterministic 100% → ACCEPT Case 1):** Tra Sol (Zalo) "không thấy chuông — việc có hồ sơ cần duyệt": approver Cấp hiện tại KHÔNG nhận notify khi phiếu ENTER/ADVANCE tới ChoDuyet (chỉ drafter báo terminal). FIX = +1 block trong `LogTransitionAsync` (PurchaseEvaluationWorkflowService.cs ~line 1058) NGAY SAU drafter-notify, KHÔNG endpoint mới (Pattern 4 — notify = side-effect của Submit/Approve-advance, cả 2 đã gọi LogTransitionAsync + end ChoDuyet). **Resolution mirror EXACT canonical** `EnsureActorInLevel` (line ~301): `db.ApprovalWorkflows.AsNoTracking().Include(Steps).ThenInclude(Levels)` → `stepsOrdered[CurrentWorkflowStepIndex]` (bounds-check) → `.Levels.Where(Order==CurrentApprovalLevelOrder && ApproverUserId!=Guid.Empty && !=actorUserId).Select(ApproverUserId).Distinct()` → `NotifyManyAsync(ids, Generic, "Phiếu cần bạn duyệt: {MaPhieu??TenGoiThau}", "Có phiếu Duyệt NCC đang chờ bạn duyệt.", /purchase-evaluations/{Id}, refId:Id, ct)`. **Recon:** (1) `ApprovalWorkflowLevel.ApproverUserId` = non-null `Guid` (NOT Guid?) → "exclude null" = `!=Guid.Empty` defensive (OR-of-N rows mỗi 1 NV). (2) `NotifyManyAsync` sig verified = `(IEnumerable<Guid>, NotificationType, title, string? desc, string? href, Guid? refId, CT)` khớp urgent-feature ref. (3) actor-exclude qua `!= actorUserId` (Guid != Guid? lift OK). **Guard V2-only:** `ApprovalWorkflowId is Guid && CurrentWorkflowStepIndex is int && CurrentApprovalLevelOrder is int` → V1/no-workflow skip. **Best-effort try/catch** nuốt lỗi (phiếu đã SaveChanges; notify fail KHÔNG rollback). Block đọc pointer SAU set → Submit (idx0/lvl1) + Approve-advance (pointer advance rồi LogTransition) đều fire đúng. Build SolutionErp.slnx (2 test project, gotcha #65) **0 warn 0 err**. KHÔNG test/FE/mig/commit. Tag `[pe-approver-bell, notify-many, log-transition-hook, no-mig, v2-only, best-effort-trycatch, pattern4-side-effect]`.
