solution-erp/docs/HANDOFF.md

# HANDOFF — Brief 5 phút cho session tiếp theo

> **Tiering rule (S40):** giữ **2-3 session gần nhất**. Cũ hơn → `docs/changelog/sessions/`. Full brief history pre-S40 → `docs/_archive/HANDOFF-preS40-fullhistory.md`.

**Last updated:** 2026-06-01 (Session 46 — memory integrity repair (no code): rebuilt empty `MEMORY.md` index + repopulated 1 entry + new verify-write memory. Repo unchanged from S45. Prev: S45 HRM test-gap +27 (154→181) + Mig 43 Holiday filtered-unique, Run #368 prod.)

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## S46 (2026-06-01) — Memory integrity repair (no code, docs-only)

**`/session-start` audit phát hiện S45 close-out để lại 2 file user-memory 0 byte** — `MEMORY.md` (index) + `feedback_background_spawn_visibility.md`. Index rỗng = S46 bootstrap chạy KHÔNG có memory auto-inject (degrade thầm lặng).

**Done (👤 em main solo, no agent spawn):**
- Rebuilt `MEMORY.md` index — 14 entry (8 feedback + 3 project + 2 pattern). Repopulate `feedback_background_spawn_visibility` từ HANDOFF/STATUS S45 ref (marked reconstructed). NEW `feedback_session_end_memory_write_verify`.
- Verified **0 empty `.md`** (`find -size 0` = 0). STATUS count drift "27"→**14** corrected. Test gate re-confirm 181 PASS lúc bootstrap.
- Memory files NGOÀI repo (`~/.claude/.../memory/`) → no git commit cho memory. Chỉ repo docs (STATUS+HANDOFF) = docs-only commit, CI skip.

**Root cause:** S45 session-end flush tạo stub rồi Write body truncate (gotcha #53 — S45 có test-specialist truncate). File 0-byte không báo lỗi + ngoài git-track → trôi tới S46 mới lộ.

**Next S47 (anh pick):** P11-C Vehicle+Driver (Mig 44, recon ready) · gotcha #57 fix LeaveType/Shift filtered-unique · P11-D/E/F · Phase 9 Ops · (optional) add verify-byte-count step vào /session-end skill — đề xuất AI_INFRA per charter v2.

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## S45 (2026-06-01) — HRM test-gap stabilization + Holiday drift fix (Mig 43)

**2 commit `051b62b` (Tests +27) + `0c5a014` (Mig 43) → push → cicd Run #368 PASS, verified prod. 154→181 test.**

**Done:**
- **Đóng 3 test-gap deferred S35-S38** (stabilize before extend): Gap1 Holiday composite UNIQUE (7) + Gap2 EmployeeSatellite FK-invariant/soft-delete/cascade (10) + Gap3 gotcha #44 authz regression HrmConfigs+Employees (10). 🟪 test-specialist viết (return truncated #53 → 👤 em main verify-on-disk + proxy MEMORY).
- **Mig 43 `FilterHolidayUniqueIndexByIsDeleted`** (👤 em main solo) — Gap1 test lòi bug thật: Holiday DB UNIQUE (Year,Date) unfiltered vs handler `!IsDeleted` → admin xoá + thêm lại ngày lễ cùng date = **500 reachable**. Fix `.HasFilter("[IsDeleted]=0")` (khớp pattern 13×). 🟩 cicd verify filtered index live prod. Table vẫn 91 (index-only), FE bundle unchanged (đúng — BE-only).
- **🟦 P11-C recon sẵn:** Vehicle+Driver = extend HrmConfigs +2 kind declarative (Mig 44), giữ VehicleBooking free-text.

**gotcha #57 NEW:** soft-delete + UNIQUE → MUST `.HasFilter("[IsDeleted]=0")`. ⚠️ **LeaveType.Code + ShiftPattern.Code vẫn unfiltered** (cùng bug, backlog test-before). Process: `feedback_background_spawn_visibility` (foreground spawn im lặng "looks frozen" → đẩy background + report ngay).

**Next S46 (anh pick):** P11-C Vehicle+Driver (Mig 44, recon ready) · gotcha #57 fix LeaveType/Shift filtered-unique · P11-D/E/F · Phase 9 Ops.

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## S44 (2026-06-01) — Monthly drift audit + AI_INFRA bundle 06-01 (docs-only, 2-way VERIFIED)

**4 commit `ae30f8f` → `5b8736d` → `071c25c` → `5dbcad3`, pushed, tree clean. CI-skip (all .md). 154 test unchanged (no code).**

**Done:**
- **Monthly cadence audit** (cron 2026-06-01, next **2026-07-01**): 🟦 investigator-codebase ground-truth-from-disk scan → 👤 patch **42 count-drift fixes** (`40→42 mig · 84/59/55/47→91 tables · 130/111→154 test · 52/49→56 gotcha`) across CLAUDE.md + docs/CLAUDE.md + ef-core/dependency-audit skills + schema-diagram + database-guide. schema-diagram migration table +Mig 17-42; ef-core history +Mig 27-42; detailed-§ ERD gap (Mig 27-42 modules) flag EXPLICIT → deferred backlog.
- **AI_INFRA bundle 06-01 adopt (full scope):** §A RAG T1/T2 auto · §C 7/7 agent-mem L1 ≤16KB + "25KB"→"~30KB tiered" ×7 · §D **#4 self-report step → /session-end Phase 6.3** (skip #1 have/#3 helper) · §E/§F report+ledger docs/governance. **AI_INFRA RT3 re-verified độc lập → VERIFIED 2-way, ĐÓNG HẲN.**
- **Carry-over S40 ĐÓNG** (`5b8736d`): BROADCAST-2 infra-feedback committed (governance trail) + `.mcp.json` gitignored (machine-path local, no secret).

**Lesson:** "incremented-per-session" counts drift → re-ground từ code monthly (count files). gotchas.md header KHÔNG có self-count → mỗi cite = downstream copy (patch từng chỗ). → memory `feedback_monthly_drift_audit`.

**Còn lại (AI_INFRA-owned, non-blocking):** eval baseline cite 11,922 cũ + SE full re-index (last-index 05-29, S42-S44 stopgap) → AI_INFRA op, batch chung web-MCP migration (ping nếu cần cross_project_search SE tươi sớm).

**Next S45 (anh pick):** product Phase 11 (P11-C Vehicle+Driver / P11-D ItTicket SLA / P11-E AttendanceReport / P11-F MaTicket) · test-gap backlog (Gap1 Holiday UNIQUE 🔴) · Phase 9 Ops.

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## S43-S38 (older) → session logs

- **S43** (2026-05-30) Phase 11 P11-B LeaveBalance: Mig 42 `AddLeaveBalances` (90→91 tables, UNIQUE composite + FK LeaveTypes Restrict) + trừ phép exactly-once terminal DaDuyet (auto-create từ DaysPerYear, policy cho phép âm + cảnh báo) + FK invariant guard Create/Update + CQRS GetMy/GetUser/Adjust + FE "Số dư phép". 144→154 test, Gitea #367 prod, agents Max 0 bug. → `docs/changelog/sessions/2026-05-30-S42-S43-phase11-p11a-p11b.md`.

- **S42** (2026-05-30) Phase 11 P11-A: Mig 41 WireWorkflowAppsApprovalV2 (4 LevelOpinions + WorkflowAppCodeSequences) + 30 handler 4 module + Max re-review fix 2 FE picker bug. 130→144 test. → `docs/changelog/sessions/2026-05-30-S42-S43-phase11-p11a-p11b.md`.

- **S41** (2026-05-29) RAG corpus cleanup w/ AI_INFRA: `.claude/rag.json` exclude `**/`-anchored fix (gotcha #10) + store_memory reconcile 5/5 (anti-data-loss, at-risk rule) + re-bootstrap 3080→2406 (−674 junk, zero-loss verified). Standing infra backlog → AI_INFRA. Concurrency carry-over (BROADCAST-2 + `.mcp.json`) originated here → **resolved S44** (`5b8736d`). → memory `feedback_store_memory_rebootstrap_protection`.

- **S40** (2026-05-29) init audit 10-mục + doc consolidation (STATUS/HANDOFF 393KB→9KB zero-loss archive) + AI_INFRA bulletin adopt 4/4 (Tiered Memory v1 + /session-start /session-end slash commands LIVE) + RAG MCP recovery (quit+relaunch FRESH). **Concurrency carry-over** (BROADCAST 2 + `.mcp.json`) bắt nguồn đây — vẫn chưa đụng (xem S43).
- **S39** (2026-05-29) infra: Opus 4.8 1M + multi-agent split 4→7 (+investigator/implementer split +test-specialist) + budget +50% + gotcha #54/#55.
- **S38** (2026-05-28) 🎊 Phase 10 COMPLETE 11/11 — Mig 39+40 skeleton combo (Đơn từ/Đặt xe/Ticket/Chấm công/Dashboard NS). ApproveV2+LevelOpinions+LeaveBalance DEFER Phase 11 (→ làm xong S42-S43).

Detail đầy đủ → `docs/changelog/sessions/` + `docs/_archive/HANDOFF-preS40-fullhistory.md`.