[CLAUDE] PurchaseEvaluation: Mig 56 ngan sach MA TRAN 3 cot (Du an|PRO|CCM) + badge quyen NS theo role

S76 (anh Kiet FDC + chi Tra Sol) — form ngan sach + hien thi quyen nhap NS trong flow:
- Part 1: form ngan sach -> MA TRAN 3 cot, moi phong nhap+dieu chinh cot minh
  (PRO canEditPro / CCM canEditCcm / Du an FE hien-thi-only). Mig 56
  +ProInitialAmount/ProAdjustmentAmount (additive-nullable + data-migrate
  ProEstimate->ProInitial). full moi cot = ban hanh + hieu chinh.
- Part 2: Workflow Designer (fe-admin) +badge "NS PRO/CCM" canh approver
  (suy tu role Admin|Procurement / Admin|CostControl, hien-thi-only no-authz).
- Part 3: flow quy trinh fe-user/fe-admin (Duyet NCC) +badge tuong tu.
- Fix race mat-du-lieu Part 1 (useIsFetching khoa Luu khi refetch — dong
  cua-so stale-echo, reviewer Part2/3 bat).
- Test 339->344 (+5). 2 workflow review (Part 1 PASS + Part 2/3 PASS).

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

src/Backend/SolutionErp.Api/Controllers/PurchaseEvaluationsController.cs

@@ -72,10 +72,10 @@ public class PurchaseEvaluationsController(IMediator mediator) : ControllerBase
     [HttpPut("{id:guid}/budget/pro")]
     public async Task<IActionResult> UpdateBudgetPro(Guid id, [FromBody] BudgetProBody body, CancellationToken ct)
     {
-        await mediator.Send(new UpdatePeBudgetProCommand(id, body.ProEstimateAmount, body.ProNote), ct);
+        await mediator.Send(new UpdatePeBudgetProCommand(id, body.ProInitialAmount, body.ProAdjustmentAmount, body.ProNote), ct);
         return NoContent();
     }
-    public record BudgetProBody(decimal? ProEstimateAmount, string? ProNote);
+    public record BudgetProBody(decimal? ProInitialAmount, decimal? ProAdjustmentAmount, string? ProNote);
 
     [HttpPut("{id:guid}/budget/ccm")]
     public async Task<IActionResult> UpdateBudgetCcm(Guid id, [FromBody] BudgetCcmBody body, CancellationToken ct)