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[CLAUDE] Docs: chot session 3 — PE polish iter 2 + domain rebrand + 5 gotcha moi
User request: 'Chot lai toan bo MD de sang session moi'.

Session 3 (2026-04-24) — ~15 commit feat/fix PE module + domain migration:
 - Domain 3 subdomain huypham.vn → solutions.com.vn E2E live
 - PE rename 'Phuong An' → 'Giai phap' + backfill DB
 - Menu tree inheritance extend Pe_*/PeWf_*
 - Accordion mutex Pe_* + sidebar w-72 + label nowrap
 - NavLink queryMatches (fix 2 leaf cung highlight)
 - PE detail flat layout: Panel 2 = 4 section, Panel 3 + approvals/history
 - Upload file dinh kem per-NCC (SupplierAttachmentsCell) + Bang so sanh tong
 - readOnly mode menu 'Duyet' (pendingMe=1)
 - HD move Lich su dieu chinh → Panel 3
 - Demo email rebrand @solutionerp.local → @solutions.com.vn + BackfillUserEmailDomain

Docs updated (6 file):
 - STATUS.md: +9 row Recently Done session 3. In Progress tick 10+ done. Phase
   hien tai = 'UX polish hoan thien, UAT-ready'.
 - HANDOFF.md: TL;DR session 3 summary. Priority 0 = 3 task MISSING cuoi
   (Designer UI, Y kien 4 phong ban, Export PDF). Login email moi.
 - gotchas.md: +5 entry (#34 NavLink query, #35 menu inheritance extend,
   #36 Vite env rebuild, #37 PS 5.1 ASCII, #38 Identity rename 4 field) +
   checklist debug +5 entry.
 - ef-core-migration SKILL: migration 13 AddPurchaseEvaluationCodeSequences
   + Phase 6 update section (ComparisonTable enum + BackfillUserEmail).
 - skills/README: ef-core-migration 13 migration label updated.
 - docs/changelog/sessions/2026-04-24-chot-session-3-pe-polish.md: session log
   15 commit + bugs + stats + next priorities session 4.

Memory project_solution_erp.md: Phase 6 iter 2 DONE. Domain rebrand DONE.
Session 4 priority 3 PE gap remaining.

Stats: 47 DB tables (+1 MaPhieu seq), ~113 endpoint (+3 PE attachments),
13 migrations, 38 gotchas, ~85 commits total.
2026-04-25 00:37:30 +07:00
..

Skill Library — SOLUTION_ERP

Skill này là tài liệu chuyên biệt để Claude (và developer khác) dùng khi cần deep-dive 1 domain area. Claude tự động invoke qua Skill tool dựa trên semantic matching với description trong từng SKILL.md.

Skills hiện có

Domain skills (logic nghiệp vụ)

Skill Mục đích Trigger ví dụ Trạng thái
contract-workflow State machine 9 phase + versioned workflow per ContractType + role × phase guard + SLA + auto-gen mã HĐ RG-001 "approve contract", "chuyển phase", "versioned workflow", "HĐ cũ giữ cũ" Tier 3 + Phase 6 cross-ref PE workflow
form-engine Render template docx/xlsx + FieldSpec JSON + DynamicForm + PDF export LibreOffice "export contract as word", "điền form", "render template", "PDF export" Active
permission-matrix Role × MenuKey × CRUD + seed + 3-layer resolution + inherit Contracts/Workflows/PurchaseEvaluations "permission denied", "gán role", "menu không hiện", "inherit permission" Active (Phase 6 +Pe_/PeWf_)

Ops/infra skills (devops + security + schema)

Skill Mục đích Trigger ví dụ Trạng thái
dependency-audit-erp Scan CVE NuGet + npm 2 FE, respect pin constraint (MediatR 12.4.1, Swashbuckle 6.9.0) "npm audit", "dotnet vulnerable", "deps scan", "nâng cấp package" New Tier 3
ef-core-migration Tạo/revert EF Core 10 migration, 3-file rule, DesignTimeDbContextFactory, 13 migration history (+ Phase 7 pending) "thêm migration", "EF migration", "schema update", "snapshot lỗi" Updated Phase 6 iter 2
iis-deploy-runbook 3 IIS site + win-acme cert + gitea-runner + LibreOffice + debug 500/502/SignalR prod + G-084 IPv4/IPv6 hardening "prod 500", "IIS fail", "cert hết hạn", "restart app pool", "deploy IIS", "port hijack" Updated (G-084)

Format chuẩn 1 skill

Mỗi skill là 1 folder với ít nhất SKILL.md + optional examples/ + references/:

.claude/skills/<skill-name>/
├── SKILL.md                  ← Entry point: description, when-to-use, workflow
├── examples/                 ← Code snippets mẫu (optional)
│   └── *.cs | *.tsx
└── references/               ← Link đến file code thật, docs (optional)

Frontmatter SKILL.md (BẮT BUỘC when-to-use để skill auto-trigger):

---
name: skill-name-kebab-case
description: 1-3 câu mô tả skill làm gì + stack specificity (để embedding match chính xác)
when-to-use:
  - "trigger phrase 1"
  - "trigger phrase 2"
  - "keyword tiếng Việt"
---

# Skill Name

## Context
...

## Workflow / Commands
...

## Pitfalls
...

## Code pointers
- `path/to/file.cs`

Tạo skill mới — checklist

  1. Tạo folder .claude/skills/<kebab-case-name>/
  2. Viết SKILL.md với frontmatter + sections: Context / Workflow / Code pointers / Common pitfalls
  3. Add row vào bảng "Skills hiện có" phía trên
  4. Update docs/CLAUDE.md (dòng skill count)
  5. Commit [CLAUDE] Skill: add <name>

Nguyên tắc design skill

PROJECT-SPECIFIC, không clone generic:

  • Skill user-level global đã có sẵn (code-reviewer, sql-database-assistant, focused-fix, ...)
  • Skill project-level phải encode kiến thức SOLUTION_ERP-only mà generic không có:
    • Commit convention [CLAUDE] <scope>: ...
    • Path pattern src/Backend/SolutionErp.*/...
    • Pin constraint (MediatR 12.4.1, Swashbuckle 6.9.0, TypeScript 6 erasableSyntaxOnly)
    • Gotcha-referenced (dẫn chiếu docs/gotchas.md#N)
    • Workflow Vietnamese-first

Keep it actionable:

  • Commands copy-pastable (không pseudocode)
  • Paths đầy đủ (không src/...)
  • Version pinned (không "latest")
  • Dẫn chiếu gotcha/migration # cụ thể
  • docs/CLAUDE.md — quick rules + full stack context
  • docs/gotchas.md — 32 bẫy đã gặp
  • docs/changelog/migration-todos.md — roadmap 5 phase + Tier 3