[CLAUDE] PurchaseEvaluation: nut XOA phieu o man duyet + menu 3 muc + man "Da xoa" (dot 2)

Dong ca UAT goc (Tra Sol): "lo bam sai cai goi thau, quay lai khong duoc, phai
xoa thi no moi ko co luy ke len". Dot 1 (b1bae77) da dung NEN (co F6 + lenh sua
quy trinh tai cho); dot 2 la phan nguoi dung cham vao.

- App: PeSoftDeleteFeatures.cs MOI
  - DELETE /api/purchase-evaluations/{id}/by-approver — 3 rao: phase ChoDuyet
    ^ dung luot actor ^ matchingLevel.AllowApproverDelete (PER-NGUOI, khong g.Any)
  - GET /api/purchase-evaluations/deleted — IgnoreQueryFilters() KEM .Where(IsDeleted)
    (IgnoreQueryFilters GO filter chu khong DAO — thieu Where la liet ke ca phieu song)
    + tai lap khoi IDOR cua list hien hanh
  - ghi vet ChangelogAction.Delete + ly do
- Api: 2 endpoint moi. 🔴 by-approver CO Y KHONG co [Authorize(Policy)] — do tren DB:
  moi vai dang lam nguoi duyet (Procurement/CostControl...) deu CanDelete=0 va khong
  seeder nao nang co do => gan policy la 403 voi dung nguoi can dung, ma FE gate cung
  quyen nen khong thay nut khong thay loi (gotcha #44). Quyen = 3 rao handler; co F6
  la admin tick dich danh tung nguoi => chat hon quyen theo vai.
- Dto: ApprovalWorkflowOptionsDto + AllowApproverDelete. Thieu field nay thi FE gate
  luon sai => nut KHONG BAO GIO hien, ma BE lan FE deu build sach (reviewer bat).
- Domain/Infra: 2 menu key Pe_{code}_Approved / _Deleted (KHONG vao MenuKeys.All =>
  giu 54/216) + seed tree + labelBackfill "Duyet" -> "Dang duyet" + 2 danh sach permission
- FE x2 app: nut Xoa trong PeWorkflowPanel (md5 mirror khop) + dialog ly do + Layout
  regex/route cho 2 muc moi + man "Da xoa" chi-xem
- Tests: +11 (562 tong, 0 fail). T27 khoa CA LOP loi entity-co-co-ma-DTO-khong-co
  (fault-inject xac nhan: go field ra => T27 do ngay)

Review: 12 FLAG, chot chan H1 (DTO thieu field) da va. Deploy KHONG co migration
nhung CO seed menu => phai restart API.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

src/Backend/SolutionErp.Domain/Identity/MenuKeys.cs

@@ -135,6 +135,15 @@ public static class MenuKeys
     public static string PurchaseEvaluationList(string typeCode) => $"Pe_{typeCode}_List";
     public static string PurchaseEvaluationCreate(string typeCode) => $"Pe_{typeCode}_Create";
     public static string PurchaseEvaluationPending(string typeCode) => $"Pe_{typeCode}_Pending";
+    // [S155 đợt 2 — owner restructure menu 2026-07-27] `Duyệt` đổi nhãn thành "Đang duyệt"
+    // (qua `labelBackfill`, KHÔNG đổi key) + 2 mục MỚI:
+    //   `_Approved` → "Đã duyệt"  → FE `/purchase-evaluations?type={N}&phase=7` (0 route mới)
+    //   `_Deleted`  → "Đã xóa"    → FE `/purchase-evaluations?type={N}&deleted=1`
+    // 🔴 KHÔNG thêm vào `MenuKeys.All`: `Pe_*` là leaf sinh động qua factory (giống 5 key PE
+    // hiện có), `All` chỉ chứa root `PurchaseEvaluations`. Thêm vào `All` sẽ đổi 2 số canonical
+    // `Menu keys` / `Policies` ở `docs/STATUS.md` (Policies = |All| × |Actions|, DERIVED).
+    public static string PurchaseEvaluationApproved(string typeCode) => $"Pe_{typeCode}_Approved";
+    public static string PurchaseEvaluationDeleted(string typeCode) => $"Pe_{typeCode}_Deleted";
     // [Plan AA S24 t1] User read-only view ma trận phân quyền của workflow V2
     // admin Designer đã ghim (IsUserSelectable=true). Suffix `_WfView` distinct
     // với admin `PeWf_*` (Designer write).