[CLAUDE] Docs: S52 closeout — Phase 11 D+E+F deployed + database-agent + session-limit recovery

STATUS/HANDOFF S52 (Phase 11 product COMPLETE, test 200, Mig 46, roster 11, bundle DYfjnpY0/_3S0BPJ2). Session log. Proxy-append implementer-backend + test-specialist diaries (Wave 2 agent killed by session-limit truoc MEMORY step).

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

.claude/agent-memory/implementer-backend/MEMORY.md

@@ -74,7 +74,9 @@ UI `disabled={!canX}` + BE helper `EnsureCanXAsync(id, userId)` throw 403 (NOT i
 
 ## 📅 Recent activity (FIFO — older → archive/git)
 
-- **S?? 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]`.
+- **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]`.
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+- **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]`.