[CLAUDE] PurchaseEvaluation: D1 stability fixes — Block B multi-winner financials + CEO-notify persist + HoSoLink preserve + #70 guard + setter relocate

PE stability audit (frozen CEO-approved spec) — D1 behavior-preserving fixes plus
one approved joint-winner financial correction:
- Block B "Gia tri ky nay" + cross-PE peer rollup re-keyed SelectedSupplierId -> IsWinner
  (reported 0 / excluded peers for >=2 joint winners; now matches winnerQuoteTotal).
- CEO-notify-on-urgent: +SaveChanges after NotifyManyAsync (Director notify was added
  after the only flush -> never persisted; now persists + SignalR push fires).
- HoSoLink: UpdatePeDraft null-safe + clear-via-empty (header edit no longer wipes a
  set link; HoSoLinkRow sends "" to clear; header forms omit = preserve).
- #70 stale-echo guard added to PRO budget row3/row8 (|| peFetching).
- Relocate SetPeCcmBudgetPeriodCommand -> PeWorkItemBudgetFeatures (was misplaced in
  PeSuggestedPriceFeatures). DTO/comment cleanups.

Tests 402 -> 413 (+11: HoSoLink preserve/clear/set, Block B >=2-winner, CEO-notify
persist x6). Full suite GREEN. FE 2-app SHA-identical. test-specialist + reviewer
returns truncated (#53, over-budget MEMORY) -> em-main self-gate from disk + suite run.

D2 deferred (create-contract 1-HD-per-winner + list-card winner names) — needs focused
care + anh Kiet UAT on per-winner contract value.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

fe-user/src/components/pe/PeDetailTabs.tsx

@@ -1545,7 +1545,7 @@ function PeBudgetSummaryTable({ ev, readOnly }: { ev: PeDetailBundle; readOnly:
                 {drafterEditable ? (
                   <VndInlineEdit
                     initial={ev.budgetPeriodAmount ?? bs.proInitialAmount}
-                    saving={adjustMut.isPending}
+                    saving={adjustMut.isPending || peFetching}
                     label="Ngân sách kỳ này (PRO)"
                     onLiveChange={setDraftRow3}
                     onSave={v => adjustMut.mutate({ budgetPeriodAmount: v, expectedRemainingAmount: ev.expectedRemainingAmount })}
@@ -1646,7 +1646,7 @@ function PeBudgetSummaryTable({ ev, readOnly }: { ev: PeDetailBundle; readOnly:
                   <VndInlineEdit
                     initial={ev.expectedRemainingAmount ?? pro.r7}
                     allowNegative
-                    saving={adjustMut.isPending}
+                    saving={adjustMut.isPending || peFetching}
                     label="Giá trị thực hiện dự kiến còn lại"
                     onLiveChange={setDraftRow8}
                     onSave={v => adjustMut.mutate({ budgetPeriodAmount: ev.budgetPeriodAmount, expectedRemainingAmount: v })}
@@ -2017,7 +2017,10 @@ function HoSoLinkRow({ ev, readOnly = false }: { ev: PeDetailBundle; readOnly?:
         paymentTerms: ev.paymentTerms,
         budgetPeriodAmount: ev.budgetPeriodAmount,
         expectedRemainingAmount: ev.expectedRemainingAmount,
-        hoSoLink: hoSoLink || null,
+        // BE UpdatePeDraftHandler null-safe: "" = clear, non-empty = set,
+        // omit/null = preserve. Gửi raw trimmed (="" khi xóa) để CLEAR đúng,
+        // KHÔNG gửi null (null = giữ nguyên → không xóa được link cũ).
+        hoSoLink: hoSoLink.trim(),
       })
     },
     onSuccess: () => {
@@ -2504,7 +2507,7 @@ function ItemsTab({ ev, readOnly = false }: { ev: PeDetailBundle; readOnly?: boo
         </p>
         {/* S59 vòng 6 (anh chốt "bỏ luôn cái nút thêm hạng mục"): 1 phiếu = 1 hạng mục
             chọn từ header (S57bis/S58) — hạng mục đầu auto-seed khi tạo phiếu, nút thêm
-            hạng mục thứ 2+ sai mô hình. AddItemDialog giữ (dead) để flip lại dễ nếu cần. */}
+            hạng mục thứ 2+ sai mô hình → nút đã bỏ (dialog thêm/sửa hạng mục là DetailDialog). */}
       </div>
 
       {ev.details.length === 0 ? (

fe-user/src/types/purchaseEvaluation.ts

@@ -314,9 +314,9 @@ export type PeBudgetSummary = {
   // Lũy kế các phiếu cùng (ProjectId, WorkItemId), Id != this, CreatedAt < this:
   previousSubmittedTotal: number    // SUM BudgetPeriodAmount WHERE Phase IN (ChoDuyet, DaDuyet)
   previousSubmittedCount: number
-  previousSelectedTotal: number     // SUM quote ThanhTien của SelectedSupplier WHERE Phase=DaDuyet
+  previousSelectedTotal: number     // SUM quote ThanhTien NCC trúng (IsWinner) WHERE Phase=DaDuyet
   previousSelectedCount: number
-  currentProposalTotal: number      // SUM ThanhTien quotes của SelectedSupplier phiếu NÀY (0 khi chưa chọn)
+  currentProposalTotal: number      // SUM ThanhTien quotes NCC trúng (IsWinner) phiếu NÀY (0 khi chưa chọn)
 }
 
 // Mirror BE PeDepartmentKind enum