diff --git a/fe-admin/src/pages/pe/PurchaseEvaluationsListPage.tsx b/fe-admin/src/pages/pe/PurchaseEvaluationsListPage.tsx
index 76e1bbe..57a9147 100644
--- a/fe-admin/src/pages/pe/PurchaseEvaluationsListPage.tsx
+++ b/fe-admin/src/pages/pe/PurchaseEvaluationsListPage.tsx
@@ -33,10 +33,25 @@ export function PurchaseEvaluationsListPage() {
   const pendingMe = sp.get('pendingMe') === '1'
   const search = sp.get('q') ?? ''
   const phase = sp.get('phase') ?? ''
+  const approvalWorkflowId = sp.get('awId') ?? ''       // Mig 23 — filter quy trình
   const selectedId = sp.get('id')
 
+  // Mig 23 — list quy trình duyệt V2 cho dropdown filter (filter theo type screen)
+  const approvalWorkflows = useQuery({
+    queryKey: ['approval-workflows-v2-filter', typeFilter],
+    queryFn: async () => {
+      if (!typeFilter) return []
+      const res = await api.get<{ types: { applicableType: number; history: { id: string; code: string; version: number; name: string; isActive: boolean }[] }[] }>(
+        '/approval-workflows-v2',
+        { params: { applicableType: typeFilter } },
+      )
+      return res.data.types.find(t => t.applicableType === typeFilter)?.history ?? []
+    },
+    enabled: !!typeFilter,
+  })
+
   const list = useQuery({
-    queryKey: ['pe-list', { typeFilter, pendingMe, search, phase }],
+    queryKey: ['pe-list', { typeFilter, pendingMe, search, phase, approvalWorkflowId }],
     queryFn: async () => {
       if (pendingMe) {
         const res = await api.get<PeListItem[]>('/purchase-evaluations/inbox', {
@@ -50,6 +65,7 @@ export function PurchaseEvaluationsListPage() {
           search: search || undefined,
           type: typeFilter ?? undefined,
           phase: phase || undefined,
+          approvalWorkflowId: approvalWorkflowId || undefined,
         },
       })
       return res.data
@@ -119,6 +135,17 @@ export function PurchaseEvaluationsListPage() {
                 className="pl-8"
               />
             </div>
+            {/* Mig 23 — 2 dropdown tách: Quy trình duyệt + Trạng thái */}
+            {!pendingMe && (
+              <Select value={approvalWorkflowId} onChange={e => setParam('awId', e.target.value)}>
+                <option value="">Tất cả quy trình duyệt</option>
+                {approvalWorkflows.data?.map(w => (
+                  <option key={w.id} value={w.id}>
+                    {w.code} v{String(w.version).padStart(2, '0')} — {w.name}
+                  </option>
+                ))}
+              </Select>
+            )}
             <Select value={phase} onChange={e => setParam('phase', e.target.value)}>
               <option value="">Tất cả trạng thái</option>
               {Object.values(PeDisplayStatus).map(s => {
diff --git a/fe-user/src/pages/pe/PurchaseEvaluationsListPage.tsx b/fe-user/src/pages/pe/PurchaseEvaluationsListPage.tsx
index 76e1bbe..57a9147 100644
--- a/fe-user/src/pages/pe/PurchaseEvaluationsListPage.tsx
+++ b/fe-user/src/pages/pe/PurchaseEvaluationsListPage.tsx
@@ -33,10 +33,25 @@ export function PurchaseEvaluationsListPage() {
   const pendingMe = sp.get('pendingMe') === '1'
   const search = sp.get('q') ?? ''
   const phase = sp.get('phase') ?? ''
+  const approvalWorkflowId = sp.get('awId') ?? ''       // Mig 23 — filter quy trình
   const selectedId = sp.get('id')
 
+  // Mig 23 — list quy trình duyệt V2 cho dropdown filter (filter theo type screen)
+  const approvalWorkflows = useQuery({
+    queryKey: ['approval-workflows-v2-filter', typeFilter],
+    queryFn: async () => {
+      if (!typeFilter) return []
+      const res = await api.get<{ types: { applicableType: number; history: { id: string; code: string; version: number; name: string; isActive: boolean }[] }[] }>(
+        '/approval-workflows-v2',
+        { params: { applicableType: typeFilter } },
+      )
+      return res.data.types.find(t => t.applicableType === typeFilter)?.history ?? []
+    },
+    enabled: !!typeFilter,
+  })
+
   const list = useQuery({
-    queryKey: ['pe-list', { typeFilter, pendingMe, search, phase }],
+    queryKey: ['pe-list', { typeFilter, pendingMe, search, phase, approvalWorkflowId }],
     queryFn: async () => {
       if (pendingMe) {
         const res = await api.get<PeListItem[]>('/purchase-evaluations/inbox', {
@@ -50,6 +65,7 @@ export function PurchaseEvaluationsListPage() {
           search: search || undefined,
           type: typeFilter ?? undefined,
           phase: phase || undefined,
+          approvalWorkflowId: approvalWorkflowId || undefined,
         },
       })
       return res.data
@@ -119,6 +135,17 @@ export function PurchaseEvaluationsListPage() {
                 className="pl-8"
               />
             </div>
+            {/* Mig 23 — 2 dropdown tách: Quy trình duyệt + Trạng thái */}
+            {!pendingMe && (
+              <Select value={approvalWorkflowId} onChange={e => setParam('awId', e.target.value)}>
+                <option value="">Tất cả quy trình duyệt</option>
+                {approvalWorkflows.data?.map(w => (
+                  <option key={w.id} value={w.id}>
+                    {w.code} v{String(w.version).padStart(2, '0')} — {w.name}
+                  </option>
+                ))}
+              </Select>
+            )}
             <Select value={phase} onChange={e => setParam('phase', e.target.value)}>
               <option value="">Tất cả trạng thái</option>
               {Object.values(PeDisplayStatus).map(s => {
diff --git a/src/Backend/SolutionErp.Api/Controllers/PurchaseEvaluationsController.cs b/src/Backend/SolutionErp.Api/Controllers/PurchaseEvaluationsController.cs
index 7c9126c..9fefdc8 100644
--- a/src/Backend/SolutionErp.Api/Controllers/PurchaseEvaluationsController.cs
+++ b/src/Backend/SolutionErp.Api/Controllers/PurchaseEvaluationsController.cs
@@ -21,8 +21,9 @@ public class PurchaseEvaluationsController(IMediator mediator) : ControllerBase
         [FromQuery] PurchaseEvaluationType? type = null,
         [FromQuery] PurchaseEvaluationPhase? phase = null,
         [FromQuery] Guid? projectId = null,
+        [FromQuery] Guid? approvalWorkflowId = null,
         CancellationToken ct = default)
-        => Ok(await mediator.Send(new ListPurchaseEvaluationsQuery(type, phase, projectId)
+        => Ok(await mediator.Send(new ListPurchaseEvaluationsQuery(type, phase, projectId, approvalWorkflowId)
         { Page = page, PageSize = pageSize, Search = search, SortDesc = sortDesc }, ct));
 
     [HttpGet("inbox")]
diff --git a/src/Backend/SolutionErp.Application/PurchaseEvaluations/PurchaseEvaluationFeatures.cs b/src/Backend/SolutionErp.Application/PurchaseEvaluations/PurchaseEvaluationFeatures.cs
index 4cf28d3..f717a5a 100644
--- a/src/Backend/SolutionErp.Application/PurchaseEvaluations/PurchaseEvaluationFeatures.cs
+++ b/src/Backend/SolutionErp.Application/PurchaseEvaluations/PurchaseEvaluationFeatures.cs
@@ -254,7 +254,8 @@ public class TransitionPurchaseEvaluationCommandHandler(
 public record ListPurchaseEvaluationsQuery(
     PurchaseEvaluationType? Type = null,
     PurchaseEvaluationPhase? Phase = null,
-    Guid? ProjectId = null) : PagedRequest, IRequest<PagedResult<PurchaseEvaluationListItemDto>>;
+    Guid? ProjectId = null,
+    Guid? ApprovalWorkflowId = null) : PagedRequest, IRequest<PagedResult<PurchaseEvaluationListItemDto>>;
 
 public class ListPurchaseEvaluationsQueryHandler(
     IApplicationDbContext db,
@@ -269,17 +270,24 @@ public class ListPurchaseEvaluationsQueryHandler(
                 from s in sj.DefaultIfEmpty()
                 select new { e, p, s };
 
-        // IDOR: non-admin chỉ thấy phiếu mình là Drafter hoặc role eligible phase
+        // IDOR: non-admin chỉ thấy phiếu mình là Drafter hoặc role eligible phase.
+        // [Session 17 UAT loose] Phiếu pin V2 (ApprovalWorkflowId != null) →
+        // tạm cho mọi authenticated user thấy để UAT (sẽ thắt chặt sau khi
+        // hoàn thiện logic permission V2-aware).
         if (!currentUser.Roles.Contains(AppRoles.Admin))
         {
             var userId = currentUser.UserId;
             var eligiblePhases = GetEligiblePhases(currentUser.Roles);
-            q = q.Where(x => x.e.DrafterUserId == userId || eligiblePhases.Contains(x.e.Phase));
+            q = q.Where(x =>
+                x.e.DrafterUserId == userId
+                || eligiblePhases.Contains(x.e.Phase)
+                || x.e.ApprovalWorkflowId != null);   // V2 loose UAT
         }
 
         if (request.Type is not null) q = q.Where(x => x.e.Type == request.Type);
         if (request.Phase is not null) q = q.Where(x => x.e.Phase == request.Phase);
         if (request.ProjectId is not null) q = q.Where(x => x.e.ProjectId == request.ProjectId);
+        if (request.ApprovalWorkflowId is not null) q = q.Where(x => x.e.ApprovalWorkflowId == request.ApprovalWorkflowId);
 
         if (!string.IsNullOrWhiteSpace(request.Search))
         {
@@ -338,6 +346,7 @@ public class GetMyPurchaseEvaluationInboxQueryHandler(
         if (!currentUser.IsAuthenticated) throw new UnauthorizedException();
 
         var userRoles = currentUser.Roles;
+        var userId = currentUser.UserId;
         var isAdmin = userRoles.Contains(AppRoles.Admin);
         var eligiblePhases = isAdmin
             ? [
@@ -347,16 +356,21 @@ public class GetMyPurchaseEvaluationInboxQueryHandler(
                 PurchaseEvaluationPhase.ChoCCM,
                 PurchaseEvaluationPhase.ChoCEODuyetPA,
                 PurchaseEvaluationPhase.ChoCEODuyetNCC,
+                PurchaseEvaluationPhase.ChoDuyet,
             ]
             : ListPurchaseEvaluationsQueryHandler.GetEligiblePhases(userRoles);
 
-        if (eligiblePhases.Count == 0) return [];
+        // V2-aware (Mig 22-24): tìm phiếu pin V2 + Phase=ChoDuyet + actor là
+        // approver Cấp hiện tại (CurrentWorkflowStepIndex + CurrentApprovalLevelOrder).
+        var v2InboxIds = isAdmin
+            ? new HashSet<Guid>()
+            : await ResolveV2InboxIdsAsync(userId, ct);
 
         var q = from e in db.PurchaseEvaluations.AsNoTracking()
                 join p in db.Projects.AsNoTracking() on e.ProjectId equals p.Id
                 join s in db.Suppliers.AsNoTracking() on e.SelectedSupplierId equals s.Id into sj
                 from s in sj.DefaultIfEmpty()
-                where eligiblePhases.Contains(e.Phase)
+                where eligiblePhases.Contains(e.Phase) || v2InboxIds.Contains(e.Id)
                 select new { e, p, s };
 
         if (request.Type is not null) q = q.Where(x => x.e.Type == request.Type);
@@ -371,6 +385,45 @@ public class GetMyPurchaseEvaluationInboxQueryHandler(
             .Take(100)
             .ToListAsync(ct);
     }
+
+    // Helper: precompute V2 phiếu IDs nơi actor là approver Cấp hiện tại.
+    // In-memory join vì Step.Order vs Index 0-based không thẳng EF được.
+    private async Task<HashSet<Guid>> ResolveV2InboxIdsAsync(Guid? userId, CancellationToken ct)
+    {
+        if (userId is null) return new HashSet<Guid>();
+        var candidates = await (
+            from e in db.PurchaseEvaluations.AsNoTracking()
+            where e.Phase == PurchaseEvaluationPhase.ChoDuyet
+                && e.ApprovalWorkflowId != null
+                && e.CurrentWorkflowStepIndex != null
+                && e.CurrentApprovalLevelOrder != null
+            select new { e.Id, e.ApprovalWorkflowId, e.CurrentWorkflowStepIndex, e.CurrentApprovalLevelOrder }
+        ).ToListAsync(ct);
+
+        if (candidates.Count == 0) return new HashSet<Guid>();
+
+        var wfIds = candidates.Select(c => c.ApprovalWorkflowId!.Value).Distinct().ToList();
+        var workflows = await db.ApprovalWorkflows.AsNoTracking()
+            .Where(w => wfIds.Contains(w.Id))
+            .Include(w => w.Steps.OrderBy(s => s.Order))
+                .ThenInclude(s => s.Levels.OrderBy(l => l.Order))
+            .ToDictionaryAsync(w => w.Id, ct);
+
+        var result = new HashSet<Guid>();
+        foreach (var c in candidates)
+        {
+            if (!workflows.TryGetValue(c.ApprovalWorkflowId!.Value, out var wf)) continue;
+            var steps = wf.Steps.OrderBy(s => s.Order).ToList();
+            var idx = c.CurrentWorkflowStepIndex!.Value;
+            if (idx < 0 || idx >= steps.Count) continue;
+            var step = steps[idx];
+            var match = step.Levels.Any(l =>
+                l.Order == c.CurrentApprovalLevelOrder!.Value
+                && l.ApproverUserId == userId.Value);
+            if (match) result.Add(c.Id);
+        }
+        return result;
+    }
 }
 
 // ========== GET detail bundle ==========
@@ -399,7 +452,10 @@ public class GetPurchaseEvaluationQueryHandler(
         {
             var isDrafter = e.DrafterUserId == currentUser.UserId;
             var eligiblePhases = ListPurchaseEvaluationsQueryHandler.GetEligiblePhases(currentUser.Roles);
-            if (!isDrafter && !eligiblePhases.Contains(e.Phase))
+            // [Session 17 UAT loose] Phiếu pin V2 → cho mọi authenticated user
+            // xem được (sẽ thắt chặt sau khi user UAT confirm flow).
+            var isPinnedV2 = e.ApprovalWorkflowId is not null;
+            if (!isDrafter && !eligiblePhases.Contains(e.Phase) && !isPinnedV2)
                 throw new ForbiddenException("Bạn không có quyền xem phiếu này.");
         }