diff --git a/fe-admin/src/components/pe/PeWorkflowPanel.tsx b/fe-admin/src/components/pe/PeWorkflowPanel.tsx
index 9aa63de..ab4571d 100644
--- a/fe-admin/src/components/pe/PeWorkflowPanel.tsx
+++ b/fe-admin/src/components/pe/PeWorkflowPanel.tsx
@@ -12,6 +12,7 @@ import { Textarea } from '@/components/ui/Textarea'
 import { api } from '@/lib/api'
 import { getErrorMessage } from '@/lib/apiError'
 import { cn } from '@/lib/cn'
+import { useAuth } from '@/contexts/AuthContext'
 import {
   ApprovalStage,
   PurchaseEvaluationPhase,
@@ -33,6 +34,20 @@ export function PeWorkflowPanel({
   const [target, setTarget] = useState<number | null>(null)
   const [comment, setComment] = useState('')
   const qc = useQueryClient()
+  const { user: currentUser } = useAuth()
+  const isAdmin = currentUser?.roles?.includes('Admin') ?? false
+
+  // Mig 24 — V2 schema chỉ cho phép approver trong CurrentApproval.approvers
+  // duyệt cấp hiện tại. Nếu actor không khớp → disable nút "Duyệt forward"
+  // (Trả lại / Từ chối vẫn enabled vì Service không kiểm Bước/Cấp với 2
+  // hành động này — Approver có thể reject bất cứ lúc nào trong phiên).
+  // Admin bypass.
+  const v2Approvers = evaluation.currentApproval?.approvers ?? []
+  const actorInV2Level = isAdmin
+    || (currentUser?.id && v2Approvers.some(a => a.userId === currentUser.id))
+  // V2 active = phiếu pin V2 + Phase=ChoDuyet + có currentApproval
+  const isV2Pending = !!evaluation.currentApproval
+  const blockedByV2Level = isV2Pending && !actorInV2Level
 
   // 2-stage dept approvals (Migration 16) — fetch riêng để FE Workflow Panel
   // hiển thị progress per phase × dept (Stage Review NV / Confirm TPB).
@@ -107,33 +122,65 @@ export function PeWorkflowPanel({
           })}
       </ol>
 
+      {/* Mig 24 — V2 banner: hiển thị Bước/Cấp hiện tại + danh sách NV được duyệt.
+          Nếu actor không có trong list → banner amber + nút Duyệt sẽ disable. */}
+      {isV2Pending && evaluation.currentApproval && !readOnly && (
+        <div className={cn(
+          'rounded border px-3 py-2 text-[11px]',
+          actorInV2Level
+            ? 'border-emerald-200 bg-emerald-50 text-emerald-800'
+            : 'border-amber-300 bg-amber-50 text-amber-800',
+        )}>
+          <div className="font-medium">
+            Đang chờ Bước {evaluation.currentApproval.stepIndex + 1} ({evaluation.currentApproval.stepName})
+            {evaluation.currentApproval.stepDepartmentName && <> · {evaluation.currentApproval.stepDepartmentName}</>}
+            {' — '}Cấp {evaluation.currentApproval.levelOrder}
+          </div>
+          <div className="mt-0.5">
+            NV duyệt: {evaluation.currentApproval.approvers.map(a => a.fullName).join(' / ') || '(chưa có)'}
+          </div>
+          {actorInV2Level
+            ? <div className="mt-0.5 font-medium">✓ Đến lượt bạn duyệt</div>
+            : <div className="mt-0.5">⚠ Không phải lượt bạn — chỉ NV trên mới duyệt được cấp này</div>}
+        </div>
+      )}
+
       {next.length > 0 && !readOnly && (
         <div>
           <Label className="text-xs">Hành động:</Label>
           <div className="mt-1 flex flex-wrap gap-1.5">
             {next.map(p => {
               // Phân loại button theo hành động:
-              // - Trả lại = về DangSoanThao (từ phase trung gian) — red
+              // - Trả lại = về DangSoanThao/TraLai (từ phase trung gian) — red
               // - Hủy/Từ chối = TuChoi (chỉ ở phase DangSoanThao đầu) — red
               // - Duyệt = forward phase tiếp theo — brand
-              const isSendBack = p === PurchaseEvaluationPhase.DangSoanThao
+              const isSendBack = (p === PurchaseEvaluationPhase.DangSoanThao || p === PurchaseEvaluationPhase.TraLai)
                 && evaluation.phase !== PurchaseEvaluationPhase.DangSoanThao
+                && evaluation.phase !== PurchaseEvaluationPhase.TraLai
               const isCancel = p === PurchaseEvaluationPhase.TuChoi
               const isDanger = isSendBack || isCancel
+              const isForwardApprove = !isDanger
+              // Mig 24 — disable Duyệt forward nếu V2 pin + actor không trong cấp hiện tại
+              const isDisabled = isForwardApprove && blockedByV2Level
               const label = isSendBack
                 ? '← Trả lại (về Drafter sửa)'
                 : isCancel
                   ? '✗ Hủy / Từ chối'
                   : `✓ Duyệt → ${PurchaseEvaluationPhaseLabel[p]}`
+              const title = isDisabled && evaluation.currentApproval
+                ? `Cấp ${evaluation.currentApproval.levelOrder} chỉ ${evaluation.currentApproval.approvers.map(a => a.fullName).join(' / ')} mới duyệt được.`
+                : undefined
               return (
                 <button
                   key={p}
-                  onClick={() => setTarget(p)}
+                  onClick={() => !isDisabled && setTarget(p)}
+                  disabled={isDisabled}
+                  title={title}
                   className={cn(
                     'rounded border px-2 py-1 text-[11px] font-medium transition',
-                    isDanger
-                      ? 'border-red-200 text-red-700 hover:bg-red-50'
-                      : 'border-brand-300 text-brand-700 hover:bg-brand-50',
+                    isDisabled && 'cursor-not-allowed border-slate-200 bg-slate-50 text-slate-400 hover:bg-slate-50',
+                    !isDisabled && isDanger && 'border-red-200 text-red-700 hover:bg-red-50',
+                    !isDisabled && !isDanger && 'border-brand-300 text-brand-700 hover:bg-brand-50',
                   )}
                 >
                   {label}
diff --git a/fe-admin/src/types/purchaseEvaluation.ts b/fe-admin/src/types/purchaseEvaluation.ts
index f5b72cf..1216ebe 100644
--- a/fe-admin/src/types/purchaseEvaluation.ts
+++ b/fe-admin/src/types/purchaseEvaluation.ts
@@ -206,6 +206,24 @@ export type PeWorkflowSummary = {
   nextPhases: number[]
 }
 
+// Mig 22-24 V2 — info Bước/Cấp đang chờ duyệt + danh sách approver được duyệt.
+// FE check userId hiện tại có trong approvers[] → enable nút Duyệt.
+export type PeCurrentApprovalLevelApprover = {
+  userId: string
+  fullName: string
+  email: string | null
+}
+
+export type PeCurrentApproval = {
+  stepIndex: number              // 0-based
+  stepName: string
+  stepDepartmentId: string | null
+  stepDepartmentName: string | null
+  levelOrder: number             // 1/2/3
+  levelName: string | null
+  approvers: PeCurrentApprovalLevelApprover[]
+}
+
 export type PeChangelog = {
   id: string
   entityType: number
@@ -315,6 +333,8 @@ export type PeDetailBundle = {
   approvalWorkflowCode: string | null
   approvalWorkflowName: string | null
   approvalWorkflowVersion: number | null
+  // Mig 24 — info Bước/Cấp đang chờ duyệt (chỉ populate khi pin V2 + Phase=ChoDuyet)
+  currentApproval: PeCurrentApproval | null
   suppliers: PeSupplier[]
   details: PeDetailRow[]
   approvals: PeApproval[]
diff --git a/fe-user/src/components/pe/PeWorkflowPanel.tsx b/fe-user/src/components/pe/PeWorkflowPanel.tsx
index 9aa63de..6e7e75a 100644
--- a/fe-user/src/components/pe/PeWorkflowPanel.tsx
+++ b/fe-user/src/components/pe/PeWorkflowPanel.tsx
@@ -12,6 +12,7 @@ import { Textarea } from '@/components/ui/Textarea'
 import { api } from '@/lib/api'
 import { getErrorMessage } from '@/lib/apiError'
 import { cn } from '@/lib/cn'
+import { useAuth } from '@/contexts/AuthContext'
 import {
   ApprovalStage,
   PurchaseEvaluationPhase,
@@ -33,6 +34,16 @@ export function PeWorkflowPanel({
   const [target, setTarget] = useState<number | null>(null)
   const [comment, setComment] = useState('')
   const qc = useQueryClient()
+  const { user: currentUser } = useAuth()
+  const isAdmin = currentUser?.roles?.includes('Admin') ?? false
+
+  // Mig 24 — V2 schema chỉ cho phép approver trong CurrentApproval.approvers
+  // duyệt cấp hiện tại. Admin bypass.
+  const v2Approvers = evaluation.currentApproval?.approvers ?? []
+  const actorInV2Level = isAdmin
+    || (currentUser?.id && v2Approvers.some(a => a.userId === currentUser.id))
+  const isV2Pending = !!evaluation.currentApproval
+  const blockedByV2Level = isV2Pending && !actorInV2Level
 
   // 2-stage dept approvals (Migration 16) — fetch riêng để FE Workflow Panel
   // hiển thị progress per phase × dept (Stage Review NV / Confirm TPB).
@@ -107,33 +118,60 @@ export function PeWorkflowPanel({
           })}
       </ol>
 
+      {/* Mig 24 — V2 banner Bước/Cấp + danh sách NV duyệt */}
+      {isV2Pending && evaluation.currentApproval && !readOnly && (
+        <div className={cn(
+          'rounded border px-3 py-2 text-[11px]',
+          actorInV2Level
+            ? 'border-emerald-200 bg-emerald-50 text-emerald-800'
+            : 'border-amber-300 bg-amber-50 text-amber-800',
+        )}>
+          <div className="font-medium">
+            Đang chờ Bước {evaluation.currentApproval.stepIndex + 1} ({evaluation.currentApproval.stepName})
+            {evaluation.currentApproval.stepDepartmentName && <> · {evaluation.currentApproval.stepDepartmentName}</>}
+            {' — '}Cấp {evaluation.currentApproval.levelOrder}
+          </div>
+          <div className="mt-0.5">
+            NV duyệt: {evaluation.currentApproval.approvers.map(a => a.fullName).join(' / ') || '(chưa có)'}
+          </div>
+          {actorInV2Level
+            ? <div className="mt-0.5 font-medium">✓ Đến lượt bạn duyệt</div>
+            : <div className="mt-0.5">⚠ Không phải lượt bạn — chỉ NV trên mới duyệt được cấp này</div>}
+        </div>
+      )}
+
       {next.length > 0 && !readOnly && (
         <div>
           <Label className="text-xs">Hành động:</Label>
           <div className="mt-1 flex flex-wrap gap-1.5">
             {next.map(p => {
-              // Phân loại button theo hành động:
-              // - Trả lại = về DangSoanThao (từ phase trung gian) — red
-              // - Hủy/Từ chối = TuChoi (chỉ ở phase DangSoanThao đầu) — red
-              // - Duyệt = forward phase tiếp theo — brand
-              const isSendBack = p === PurchaseEvaluationPhase.DangSoanThao
+              const isSendBack = (p === PurchaseEvaluationPhase.DangSoanThao || p === PurchaseEvaluationPhase.TraLai)
                 && evaluation.phase !== PurchaseEvaluationPhase.DangSoanThao
+                && evaluation.phase !== PurchaseEvaluationPhase.TraLai
               const isCancel = p === PurchaseEvaluationPhase.TuChoi
               const isDanger = isSendBack || isCancel
+              const isForwardApprove = !isDanger
+              // Mig 24 — disable Duyệt forward nếu V2 pin + actor không trong cấp hiện tại
+              const isDisabled = isForwardApprove && blockedByV2Level
               const label = isSendBack
                 ? '← Trả lại (về Drafter sửa)'
                 : isCancel
                   ? '✗ Hủy / Từ chối'
                   : `✓ Duyệt → ${PurchaseEvaluationPhaseLabel[p]}`
+              const title = isDisabled && evaluation.currentApproval
+                ? `Cấp ${evaluation.currentApproval.levelOrder} chỉ ${evaluation.currentApproval.approvers.map(a => a.fullName).join(' / ')} mới duyệt được.`
+                : undefined
               return (
                 <button
                   key={p}
-                  onClick={() => setTarget(p)}
+                  onClick={() => !isDisabled && setTarget(p)}
+                  disabled={isDisabled}
+                  title={title}
                   className={cn(
                     'rounded border px-2 py-1 text-[11px] font-medium transition',
-                    isDanger
-                      ? 'border-red-200 text-red-700 hover:bg-red-50'
-                      : 'border-brand-300 text-brand-700 hover:bg-brand-50',
+                    isDisabled && 'cursor-not-allowed border-slate-200 bg-slate-50 text-slate-400 hover:bg-slate-50',
+                    !isDisabled && isDanger && 'border-red-200 text-red-700 hover:bg-red-50',
+                    !isDisabled && !isDanger && 'border-brand-300 text-brand-700 hover:bg-brand-50',
                   )}
                 >
                   {label}
diff --git a/fe-user/src/types/purchaseEvaluation.ts b/fe-user/src/types/purchaseEvaluation.ts
index 807378f..a63cac8 100644
--- a/fe-user/src/types/purchaseEvaluation.ts
+++ b/fe-user/src/types/purchaseEvaluation.ts
@@ -205,6 +205,23 @@ export type PeWorkflowSummary = {
   nextPhases: number[]
 }
 
+// Mig 22-24 V2 — info Bước/Cấp đang chờ duyệt + danh sách approver được duyệt.
+export type PeCurrentApprovalLevelApprover = {
+  userId: string
+  fullName: string
+  email: string | null
+}
+
+export type PeCurrentApproval = {
+  stepIndex: number
+  stepName: string
+  stepDepartmentId: string | null
+  stepDepartmentName: string | null
+  levelOrder: number
+  levelName: string | null
+  approvers: PeCurrentApprovalLevelApprover[]
+}
+
 export type PeChangelog = {
   id: string
   entityType: number
@@ -314,6 +331,8 @@ export type PeDetailBundle = {
   approvalWorkflowCode: string | null
   approvalWorkflowName: string | null
   approvalWorkflowVersion: number | null
+  // Mig 24 — info Bước/Cấp đang chờ duyệt (chỉ populate khi pin V2 + Phase=ChoDuyet)
+  currentApproval: PeCurrentApproval | null
   suppliers: PeSupplier[]
   details: PeDetailRow[]
   approvals: PeApproval[]
diff --git a/src/Backend/SolutionErp.Application/PurchaseEvaluations/Dtos/PurchaseEvaluationDtos.cs b/src/Backend/SolutionErp.Application/PurchaseEvaluations/Dtos/PurchaseEvaluationDtos.cs
index 589e84c..59bc2a5 100644
--- a/src/Backend/SolutionErp.Application/PurchaseEvaluations/Dtos/PurchaseEvaluationDtos.cs
+++ b/src/Backend/SolutionErp.Application/PurchaseEvaluations/Dtos/PurchaseEvaluationDtos.cs
@@ -84,6 +84,23 @@ public record PurchaseEvaluationWorkflowSummaryDto(
     List<PurchaseEvaluationPhase> ActivePhases,
     List<PurchaseEvaluationPhase> NextPhases);
 
+// Mig 22-24 V2 schema — info "Bước/Cấp đang chờ duyệt" để FE disable nút
+// Duyệt nếu user không phải approver. Null khi pin V1 legacy hoặc Phase
+// không phải ChoDuyet.
+public record PurchaseEvaluationApprovalLevelApproverDto(
+    Guid UserId,
+    string FullName,
+    string? Email);
+
+public record PurchaseEvaluationCurrentApprovalDto(
+    int StepIndex,                              // 0-based
+    string StepName,
+    Guid? StepDepartmentId,
+    string? StepDepartmentName,
+    int LevelOrder,                             // 1/2/3
+    string? LevelName,
+    List<PurchaseEvaluationApprovalLevelApproverDto> Approvers);
+
 public record PurchaseEvaluationAttachmentDto(
     Guid Id,
     Guid? PurchaseEvaluationSupplierId,
@@ -135,6 +152,7 @@ public record PurchaseEvaluationDetailBundleDto(
     string? ApprovalWorkflowCode,
     string? ApprovalWorkflowName,
     int? ApprovalWorkflowVersion,
+    PurchaseEvaluationCurrentApprovalDto? CurrentApproval,
     List<PurchaseEvaluationSupplierDto> Suppliers,
     List<PurchaseEvaluationDetailDto> Details,
     List<PurchaseEvaluationApprovalDto> Approvals,
diff --git a/src/Backend/SolutionErp.Application/PurchaseEvaluations/PurchaseEvaluationFeatures.cs b/src/Backend/SolutionErp.Application/PurchaseEvaluations/PurchaseEvaluationFeatures.cs
index 49dced1..4cf28d3 100644
--- a/src/Backend/SolutionErp.Application/PurchaseEvaluations/PurchaseEvaluationFeatures.cs
+++ b/src/Backend/SolutionErp.Application/PurchaseEvaluations/PurchaseEvaluationFeatures.cs
@@ -453,19 +453,66 @@ public class GetPurchaseEvaluationQueryHandler(
 
         // Mig 23 — load ApprovalWorkflow V2 info nếu pin (Code/Name/Version
         // hiển thị FE detail card "QT-DN-V2-001 - Tên (v01)").
+        // Mig 24 — populate CurrentApproval { Bước/Cấp + N approvers } để
+        // FE biết user nào được duyệt cấp hiện tại → disable button đúng.
         string? awCode = null, awName = null;
         int? awVersion = null;
+        PurchaseEvaluationCurrentApprovalDto? currentApproval = null;
         if (e.ApprovalWorkflowId is Guid awId)
         {
             var aw = await db.ApprovalWorkflows.AsNoTracking()
-                .Where(w => w.Id == awId)
-                .Select(w => new { w.Code, w.Name, w.Version })
-                .FirstOrDefaultAsync(ct);
+                .Include(w => w.Steps.OrderBy(s => s.Order))
+                    .ThenInclude(s => s.Levels.OrderBy(l => l.Order))
+                .FirstOrDefaultAsync(w => w.Id == awId, ct);
             if (aw is not null)
             {
                 awCode = aw.Code;
                 awName = aw.Name;
                 awVersion = aw.Version;
+
+                // Compute current approval level info nếu Phase=ChoDuyet
+                if (e.Phase == PurchaseEvaluationPhase.ChoDuyet
+                    && e.CurrentWorkflowStepIndex is int idx
+                    && e.CurrentApprovalLevelOrder is int levelOrder)
+                {
+                    var steps = aw.Steps.OrderBy(s => s.Order).ToList();
+                    if (idx >= 0 && idx < steps.Count)
+                    {
+                        var step = steps[idx];
+                        string? stepDeptName = null;
+                        if (step.DepartmentId is Guid stepDeptId)
+                        {
+                            stepDeptName = await db.Departments.AsNoTracking()
+                                .Where(d => d.Id == stepDeptId)
+                                .Select(d => d.Name)
+                                .FirstOrDefaultAsync(ct);
+                        }
+                        var levelGroup = step.Levels.Where(l => l.Order == levelOrder).ToList();
+                        var approverIds = levelGroup.Select(l => l.ApproverUserId).Distinct().ToList();
+                        var approverInfos = approverIds.Count == 0
+                            ? new Dictionary<Guid, (string FullName, string? Email)>()
+                            : await userManager.Users.AsNoTracking()
+                                .Where(u => approverIds.Contains(u.Id))
+                                .Select(u => new { u.Id, u.FullName, u.Email })
+                                .ToDictionaryAsync(u => u.Id, u => (u.FullName, u.Email), ct);
+
+                        var approvers = levelGroup
+                            .Select(l =>
+                            {
+                                approverInfos.TryGetValue(l.ApproverUserId, out var info);
+                                return new PurchaseEvaluationApprovalLevelApproverDto(
+                                    l.ApproverUserId,
+                                    info.FullName ?? l.ApproverUserId.ToString(),
+                                    info.Email);
+                            })
+                            .ToList();
+                        var levelName = levelGroup.FirstOrDefault()?.Name;
+
+                        currentApproval = new PurchaseEvaluationCurrentApprovalDto(
+                            idx, step.Name, step.DepartmentId, stepDeptName,
+                            levelOrder, levelName, approvers);
+                    }
+                }
             }
         }
 
@@ -480,6 +527,7 @@ public class GetPurchaseEvaluationQueryHandler(
             e.BudgetId, budgetSummary,
             e.BudgetManualName, e.BudgetManualAmount,
             e.ApprovalWorkflowId, awCode, awName, awVersion,
+            currentApproval,
             e.Suppliers
                 .OrderBy(s => s.Order)
                 .Select(s => new PurchaseEvaluationSupplierDto(