[CLAUDE] App+Api+FE-User+FE-Admin+Tests: W2 KHKK — CRUD phieu nhap + can cu b.8-9 + FE 3 page x2 app + 12 fix reviewer

- BE mega-file ContractSigningPlanFeatures (Create 4-rao + auto-Lines snapshot per-winner + MaKeHoach @CREATE + UpdateDraft null-safe + Get/List/inbox-precompute-V2/deleted + Dossier + Attachments + Delete allow-list M6 + picker) + Controller 15 action policy per-action 15/15 (KeHoachKyKet.*)
- FE pages/khkk 3 page + types x2 app SHA-pair + 4-place (6 leaf Khkk_* het coming-soon; WfView: user=matrix?type=10 [whitelist +10] / admin=Designer deep-link); root KeHoachKyKet -> /khkk/list
- Reviewer adversarial: 12 finding (3 CRITICAL dut-2-bo FE-BE: route picker + peId body + dossier planId; 2 MAJOR security: detail+download 0 rao -> EnsureCanViewAsync mirror PE S89 nhap-rieng-tu; PUT-vs-POST de-ban-sao; peTenGoiThau; winnerSupplierNames; Content-Disposition RFC6266; LEFT-join Projects) -> 11 FIXED + 1 GIU (F-10 ke thua khuon PE, bit dong bo sau)
- tests: +8 (574 total 0 fail) — authz reflection dong + Create/Delete/guard/khong-dot-ma-khi-409 + fixture-co-interceptor

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

fe-admin/src/App.tsx

@@ -31,6 +31,9 @@ import { HrmConfigsPage } from '@/pages/hrm/HrmConfigsPage'
 import { InternalDirectoryPage } from '@/pages/office/InternalDirectoryPage'
 import { MeetingCalendarPage } from '@/pages/office/MeetingCalendarPage'
 import { MeetingRoomsPage } from '@/pages/office/MeetingRoomsPage'
+import { KhkkListPage } from '@/pages/khkk/KhkkListPage'
+import { KhkkCreatePage } from '@/pages/khkk/KhkkCreatePage'
+import { KhkkDetailPage } from '@/pages/khkk/KhkkDetailPage'
 import { ProposalCreatePage } from '@/pages/office/ProposalCreatePage'
 import { ProposalDetailPage } from '@/pages/office/ProposalDetailPage'
 import { ProposalsListPage } from '@/pages/office/ProposalsListPage'
@@ -95,6 +98,12 @@ function App() {
             {/* Văn phòng số — Phòng họp Booking + Catalog (Phase 10.2 G-O2 — Mig 36 S36) */}
             <Route path="/meeting-calendar" element={<MeetingCalendarPage />} />
             <Route path="/meeting-rooms" element={<MeetingRoomsPage />} />
+            {/* [W2 KHKK S161] Kế hoạch ký kết HĐ (GĐ2). KHÔNG route matrix bên admin —
+                Khkk_WfView admin trỏ Designer type-10 (Layout.tsx staticMap). */}
+            <Route path="/khkk" element={<Navigate to="/khkk/list" replace />} />
+            <Route path="/khkk/list" element={<KhkkListPage />} />
+            <Route path="/khkk/create" element={<KhkkCreatePage />} />
+            <Route path="/khkk/:id" element={<KhkkDetailPage />} />
             <Route path="/proposals" element={<ProposalsListPage />} />
             <Route path="/proposals/new" element={<ProposalCreatePage />} />
             <Route path="/proposals/:id" element={<ProposalDetailPage />} />

fe-admin/src/components/Layout.tsx

@@ -29,14 +29,15 @@ const TYPE_CODE_TO_INT: Record<string, number> = {
 // Ct_<Type>_<Action> sub-menu entries.
 function resolvePath(key: string): string | null {
   const staticMap: Record<string, string> = {
-    // [S159-đợt3] skeleton GĐ2/GĐ4 — leaf trỏ trang "Sắp triển khai" (query giữ
-    // active-state riêng từng mục; gotcha #50: thiếu route = sidebar drop SILENT).
-    Khkk_WfView: '/coming-soon?stage=2&m=wfview',
-    Khkk_List: '/coming-soon?stage=2&m=list',
-    Khkk_Create: '/coming-soon?stage=2&m=create',
-    Khkk_Pending: '/coming-soon?stage=2&m=pending',
-    Khkk_Approved: '/coming-soon?stage=2&m=approved',
-    Khkk_Deleted: '/coming-soon?stage=2&m=deleted', // [S159-đợt5 FLAG-1] thiếu là leaf drop SILENT (gotcha #50)
+    // [W2 KHKK S161] GĐ2 hết skeleton — re-point trang thật (gotcha #50: thiếu route =
+    // sidebar drop SILENT). WfView phía admin trỏ Designer type-10 (fe-admin CỐ Ý không có
+    // matrix page — chốt 2026-07-27; admin "Luồng duyệt" = dựng/sửa quy trình).
+    Khkk_WfView: '/system/approval-workflows-v2/ContractSigningPlan',
+    Khkk_List: '/khkk/list',
+    Khkk_Create: '/khkk/create',
+    Khkk_Pending: '/khkk/list?filter=ChoDuyet',
+    Khkk_Approved: '/khkk/list?filter=DaDuyet',
+    Khkk_Deleted: '/khkk/list?view=deleted', // [S159-đợt5 FLAG-1] thiếu là leaf drop SILENT (gotcha #50)
     Hdc_ThauPhu: '/coming-soon?stage=4&t=01',
     Hdc_GiaoKhoan: '/coming-soon?stage=4&t=02',
     Hdc_NhaCungCap: '/coming-soon?stage=4&t=03',

fe-admin/src/pages/khkk/KhkkCreatePage.tsx

@@ -0,0 +1,254 @@
+// [W2 KHKK — S161 2026-07-29] Lập "Kế hoạch ký kết HĐ" từ phiếu Duyệt NCC đã duyệt.
+// Khuôn `pages/office/ProposalCreatePage.tsx` (PURO: ui/PageHeader + section
+// .card-accent + .icon-chip header). File MIRROR SHA256 identical với fe-admin.
+//
+// 3 section: (1) chọn phiếu PE nguồn — chỉ phiếu DaDuyet CHƯA có kế hoạch sống
+// (BE lọc, FE không tự đoán); (2) quy trình duyệt V2 ApplicableType=10 admin đã
+// ghim; (3) ghi chú. Dòng giá per-NCC do BE tự sinh từ winner của phiếu PE
+// (snapshot `PeReferenceAmount`) — FE KHÔNG gửi lines.
+import { useState, type FormEvent } from 'react'
+import { useMutation, useQuery } from '@tanstack/react-query'
+import { useNavigate } from 'react-router-dom'
+import { CheckCircle2, FileCheck, FileText, Save, Settings2, X } from 'lucide-react'
+import { toast } from 'sonner'
+import { PageHeader } from '@/components/ui/PageHeader'
+import { Button } from '@/components/ui/Button'
+import { Label } from '@/components/ui/Label'
+import { Textarea } from '@/components/ui/Textarea'
+import { api } from '@/lib/api'
+import { getErrorMessage } from '@/lib/apiError'
+import { cn } from '@/lib/cn'
+import type { CreateKhkkInput, KhkkPeCandidateDto } from '@/types/khkk'
+
+// ApplicableType của workflow V2 dành cho Kế hoạch ký kết (mirror BE
+// `ApplicableType.ContractSigningPlan = 10`, Designer fe-admin đã mở từ W1).
+const APPLICABLE_TYPE_KHKK = 10
+
+interface WorkflowDto {
+  id: string
+  code: string
+  name: string
+  isUserSelectable: boolean
+}
+
+function formatDate(iso: string): string {
+  const d = new Date(iso)
+  return d.toLocaleDateString('vi-VN', { day: '2-digit', month: '2-digit', year: 'numeric' })
+}
+
+export function KhkkCreatePage() {
+  const navigate = useNavigate()
+  const [purchaseEvaluationId, setPurchaseEvaluationId] = useState('')
+  const [approvalWorkflowId, setApprovalWorkflowId] = useState('')
+  const [ghiChu, setGhiChu] = useState('')
+
+  // Phiếu PE đủ điều kiện: Phase=DaDuyet VÀ chưa có kế hoạch sống (BE lọc,
+  // mirror `ListApprovedPurchaseEvaluationsQuery` + vị ngữ chưa-có-plan).
+  const candidates = useQuery({
+    queryKey: ['khkk-pe-candidates'],
+    queryFn: async () =>
+      (await api.get<KhkkPeCandidateDto[]>('/contract-signing-plans/approved-pe-awaiting-plan')).data,
+  })
+
+  // Endpoint trả AwAdminOverviewDto { types: [{ applicableType, history: [...] }] } —
+  // KHÔNG phải flat array (khuôn ProposalCreatePage:59-69). Lọc isUserSelectable =
+  // quy trình admin đã ghim cho user pick.
+  const workflows = useQuery({
+    queryKey: ['approval-workflows-v2', { applicableType: APPLICABLE_TYPE_KHKK, isUserSelectable: true }],
+    queryFn: async () => {
+      const res = await api.get<{ types: { applicableType: number; history: WorkflowDto[] }[] }>(
+        '/approval-workflows-v2',
+        { params: { applicableType: APPLICABLE_TYPE_KHKK } },
+      )
+      const bucket = res.data.types.find((t) => t.applicableType === APPLICABLE_TYPE_KHKK)
+      return (bucket?.history ?? []).filter((w) => w.isUserSelectable)
+    },
+  })
+
+  const create = useMutation({
+    mutationFn: async () => {
+      if (!purchaseEvaluationId) throw new Error('Vui lòng chọn phiếu Duyệt NCC nguồn')
+      if (!approvalWorkflowId) throw new Error('Vui lòng chọn Quy trình duyệt')
+      const body: CreateKhkkInput = {
+        peId: purchaseEvaluationId,   // [F-2] BE Command field = PeId
+        approvalWorkflowId,
+        ghiChu: ghiChu.trim() || null,
+      }
+      const res = await api.post<{ id: string; maKeHoach: string | null }>('/contract-signing-plans', body)
+      return res.data
+    },
+    onSuccess: (data) => {
+      toast.success(data.maKeHoach ? `Đã lập kế hoạch ${data.maKeHoach}` : 'Đã lập kế hoạch ký kết')
+      navigate(`/khkk/${data.id}`)
+    },
+    onError: (e) => toast.error(getErrorMessage(e)),
+  })
+
+  const onSubmit = (e: FormEvent) => {
+    e.preventDefault()
+    create.mutate()
+  }
+
+  const list = candidates.data ?? []
+
+  return (
+    <div className="space-y-5">
+      <PageHeader
+        eyebrow="Giai đoạn 2"
+        title="Lập kế hoạch ký kết HĐ"
+        subtitle="Chọn phiếu Duyệt NCC đã duyệt → hệ thống chép dòng giá của từng NCC trúng thầu"
+        icon={<FileCheck className="h-5 w-5" />}
+        accent="brand"
+        actions={
+          <Button variant="outline" onClick={() => navigate('/khkk/list')}>
+            <X className="mr-2 h-4 w-4" />
+            Huỷ
+          </Button>
+        }
+      />
+
+      <form onSubmit={onSubmit} className="space-y-5">
+        {/* Section 1: Phiếu Duyệt NCC nguồn */}
+        <section className="card-accent" style={{ ['--accent' as string]: 'var(--color-brand-500)' }}>
+          <header className="flex items-center gap-2 border-b border-slate-100 px-5 py-3">
+            <span
+              className="icon-chip"
+              style={{ height: '1.75rem', width: '1.75rem', ['--chip-bg' as string]: 'var(--color-brand-50)', ['--chip-fg' as string]: 'var(--color-brand-600)' }}
+              aria-hidden
+            >
+              <FileText className="h-4 w-4" />
+            </span>
+            <h3 className="text-sm font-semibold tracking-tight text-brand-800">
+              Phiếu Duyệt NCC nguồn <span className="text-red-500">*</span>
+            </h3>
+          </header>
+          <div className="space-y-2 p-5">
+            {candidates.isLoading && <div className="text-sm text-muted-foreground">Đang tải danh sách phiếu...</div>}
+            {!candidates.isLoading && list.length === 0 && (
+              <div className="rounded-lg border border-dashed border-slate-300 p-6 text-center text-sm text-muted-foreground">
+                Không có phiếu Duyệt NCC nào đã duyệt mà chưa lập kế hoạch ký kết.
+              </div>
+            )}
+            <div className="max-h-96 space-y-2 overflow-y-auto">
+              {list.map((pe) => {
+                const selected = pe.id === purchaseEvaluationId
+                return (
+                  <button
+                    key={pe.id}
+                    type="button"
+                    onClick={() => setPurchaseEvaluationId(pe.id)}
+                    className={cn(
+                      'flex w-full items-start gap-3 rounded-lg border p-3 text-left transition',
+                      selected
+                        ? 'border-brand-400 bg-brand-50/60 ring-1 ring-brand-300'
+                        : 'border-slate-200 hover:border-brand-300 hover:bg-slate-50',
+                    )}
+                  >
+                    <CheckCircle2
+                      className={cn('mt-0.5 h-4 w-4 shrink-0', selected ? 'text-brand-600' : 'text-slate-300')}
+                    />
+                    <span className="min-w-0 flex-1">
+                      <span className="flex flex-wrap items-center gap-2">
+                        <span className="font-mono text-xs text-brand-700">{pe.maPhieu ?? '—'}</span>
+                        <span className="font-medium text-brand-800">{pe.tenGoiThau}</span>
+                      </span>
+                      <span className="mt-0.5 block text-xs text-slate-500">
+                        {pe.projectName ?? '—'}
+                        {pe.workItemName ? ` · ${pe.workItemName}` : ''} · {formatDate(pe.createdAt)}
+                      </span>
+                      <span className="mt-1 flex flex-wrap gap-1">
+                        {pe.winnerSupplierNames.length === 0 ? (
+                          <span className="text-xs italic text-slate-400">Chưa có NCC trúng thầu</span>
+                        ) : (
+                          pe.winnerSupplierNames.map((n) => (
+                            <span
+                              key={n}
+                              className="inline-flex items-center rounded-md border border-emerald-300 bg-emerald-100 px-2 py-0.5 text-[11px] font-medium text-emerald-800"
+                            >
+                              {n}
+                            </span>
+                          ))
+                        )}
+                      </span>
+                    </span>
+                  </button>
+                )
+              })}
+            </div>
+          </div>
+        </section>
+
+        {/* Section 2: Quy trình duyệt */}
+        <section className="card-accent" style={{ ['--accent' as string]: 'var(--color-violet-500)' }}>
+          <header className="flex items-center gap-2 border-b border-slate-100 px-5 py-3">
+            <span
+              className="icon-chip"
+              style={{ height: '1.75rem', width: '1.75rem', ['--chip-bg' as string]: 'var(--color-violet-50)', ['--chip-fg' as string]: 'var(--color-violet-700)' }}
+              aria-hidden
+            >
+              <Settings2 className="h-4 w-4" />
+            </span>
+            <h3 className="text-sm font-semibold tracking-tight text-violet-700">Quy trình duyệt</h3>
+          </header>
+          <div className="space-y-2 p-5">
+            <Label htmlFor="workflow">
+              Quy trình duyệt <span className="text-red-500">*</span>
+            </Label>
+            <select
+              id="workflow"
+              value={approvalWorkflowId}
+              onChange={(e) => setApprovalWorkflowId(e.target.value)}
+              className="flex h-9 w-full rounded-md border border-input bg-background px-3 py-1 text-sm shadow-sm"
+            >
+              <option value="">— Chọn quy trình —</option>
+              {workflows.data?.map((w) => (
+                <option key={w.id} value={w.id}>
+                  {w.code} - {w.name}
+                </option>
+              ))}
+            </select>
+            <div className="text-xs text-muted-foreground mt-1">
+              Chỉ hiển thị quy trình loại "Kế hoạch ký kết HĐ" admin đã ghim cho user chọn
+            </div>
+          </div>
+        </section>
+
+        {/* Section 3: Ghi chú */}
+        <section className="card-accent" style={{ ['--accent' as string]: 'var(--color-teal-500)' }}>
+          <header className="flex items-center gap-2 border-b border-slate-100 px-5 py-3">
+            <span
+              className="icon-chip"
+              style={{ height: '1.75rem', width: '1.75rem', ['--chip-bg' as string]: 'var(--color-teal-50)', ['--chip-fg' as string]: 'var(--color-teal-700)' }}
+              aria-hidden
+            >
+              <FileText className="h-4 w-4" />
+            </span>
+            <h3 className="text-sm font-semibold tracking-tight text-teal-700">Ghi chú</h3>
+          </header>
+          <div className="space-y-2 p-5">
+            <Label htmlFor="ghiChu">Ghi chú kế hoạch</Label>
+            <Textarea
+              id="ghiChu"
+              value={ghiChu}
+              onChange={(e) => setGhiChu(e.target.value)}
+              maxLength={2000}
+              rows={4}
+              placeholder="Lưu ý về tiến độ ký kết, điều kiện thương thảo..."
+            />
+            <div className="text-xs text-muted-foreground mt-1">{ghiChu.length}/2000</div>
+          </div>
+        </section>
+
+        <div className="flex justify-end gap-2">
+          <Button type="button" variant="outline" onClick={() => navigate('/khkk/list')}>
+            Huỷ
+          </Button>
+          <Button type="submit" disabled={create.isPending || !purchaseEvaluationId || !approvalWorkflowId}>
+            <Save className="mr-2 h-4 w-4" />
+            {create.isPending ? 'Đang lưu...' : 'Lưu nháp'}
+          </Button>
+        </div>
+      </form>
+    </div>
+  )
+}

fe-admin/src/pages/khkk/KhkkDetailPage.tsx

@@ -0,0 +1,680 @@
+// [W2 KHKK — S161 2026-07-29] Chi tiết "Kế hoạch ký kết HĐ" (GĐ2).
+// Khuôn `pages/office/ProposalDetailPage.tsx` (SectionCard + Field idiom PURO).
+// File MIRROR SHA256 identical với fe-admin counterpart.
+//
+// 4 section: (1) Thông tin + ghi chú/link hồ sơ sửa được khi nháp · (2) Dòng giá
+// per-NCC trúng thầu (READ-ONLY ở W2 — `PeReferenceAmount` là SNAPSHOT lúc lập kế
+// hoạch) · (3) Căn cứ hồ sơ b.8-9 (CRUD chỉ mở ở DangSoanThao|TraLai) · (4) File
+// đính kèm (mở MỌI phase — triết lý PE S147).
+// 🔴 CỐ Ý KHÔNG có panel trình/duyệt + banner cấp duyệt: transitions = W3.
+import { useState, type ReactNode } from 'react'
+import { useMutation, useQuery, useQueryClient } from '@tanstack/react-query'
+import { useNavigate, useParams } from 'react-router-dom'
+import {
+  ArrowLeft, ClipboardList, FileCheck, Paperclip, Pencil, Plus, Save, Trash2, Upload, Users,
+} from 'lucide-react'
+import { toast } from 'sonner'
+import { PageHeader } from '@/components/ui/PageHeader'
+import { Button } from '@/components/ui/Button'
+import { Dialog } from '@/components/ui/Dialog'
+import { Input } from '@/components/ui/Input'
+import { Label } from '@/components/ui/Label'
+import { Textarea } from '@/components/ui/Textarea'
+import { api } from '@/lib/api'
+import { getErrorMessage } from '@/lib/apiError'
+import { cn } from '@/lib/cn'
+import {
+  DOSSIER_KIND_LABELS, DOSSIER_STATUS_BADGE, DOSSIER_STATUS_LABELS,
+  DossierItemKind, DossierItemStatus, KHKK_PHASE_BADGE, KHKK_PHASE_LABELS,
+  KhkkAttachmentPurpose, KhkkPhase,
+  type DossierItemKindValue, type DossierItemStatusValue, type KhkkAttachmentDto,
+  type KhkkDetailDto, type KhkkDossierItemDto, type KhkkPhaseValue,
+  type UpsertKhkkDossierItemInput,
+} from '@/types/khkk'
+
+function formatVnd(n: number | null): string {
+  if (n === null || n === undefined) return '—'
+  return n.toLocaleString('vi-VN') + ' đ'
+}
+
+function formatDateTime(iso: string): string {
+  const d = new Date(iso)
+  return d.toLocaleString('vi-VN')
+}
+
+function formatSize(b: number): string {
+  return b > 1024 * 1024 ? `${(b / 1024 / 1024).toFixed(1)} MB` : `${Math.round(b / 1024)} KB`
+}
+
+// Section card — .card-accent shell + .icon-chip header (Hồ sơ-NS idiom).
+function SectionCard({
+  title, icon, accent, head, chipBg, chipFg, count, actions, children,
+}: {
+  title: string
+  icon: ReactNode
+  accent: string
+  head: string
+  chipBg: string
+  chipFg: string
+  count?: number
+  actions?: ReactNode
+  children: ReactNode
+}) {
+  return (
+    <section className="card-accent" style={{ ['--accent' as string]: accent }}>
+      <header className="flex items-center gap-2 border-b border-slate-100 px-5 py-3">
+        <span
+          className="icon-chip"
+          style={{ height: '1.75rem', width: '1.75rem', ['--chip-bg' as string]: chipBg, ['--chip-fg' as string]: chipFg }}
+          aria-hidden
+        >
+          {icon}
+        </span>
+        <h3 className={cn('text-sm font-semibold tracking-tight', head)}>{title}</h3>
+        {count != null && (
+          <span className="rounded-full bg-slate-100 px-1.5 py-0.5 text-[10px] font-semibold tabular-nums text-slate-500">
+            {count}
+          </span>
+        )}
+        {actions && <span className="ml-auto">{actions}</span>}
+      </header>
+      <div className="p-5">{children}</div>
+    </section>
+  )
+}
+
+function Field({
+  label, value, mono, full, children,
+}: {
+  label: string
+  value?: ReactNode
+  mono?: boolean
+  full?: boolean
+  children?: ReactNode
+}) {
+  const empty = value == null || value === ''
+  return (
+    <div className={cn('min-w-0 text-sm', full && 'sm:col-span-2')}>
+      <div className="text-[11px] font-semibold uppercase tracking-wide text-brand-600">{label}</div>
+      <div className={cn('mt-0.5 break-words text-sm', empty && !children ? 'text-slate-300' : 'font-medium text-brand-800', mono && !empty && 'font-mono')}>
+        {children ?? (empty ? '—' : value)}
+      </div>
+    </div>
+  )
+}
+
+const EMPTY_ITEM: UpsertKhkkDossierItemInput = {
+  kind: DossierItemKind.MauVatLieu,
+  name: '',
+  status: DossierItemStatus.ChuaNop,
+  tvgsName: '',
+  note: '',
+}
+
+export function KhkkDetailPage() {
+  const { id } = useParams<{ id: string }>()
+  const navigate = useNavigate()
+  const qc = useQueryClient()
+
+  const [editHeader, setEditHeader] = useState(false)
+  const [ghiChu, setGhiChu] = useState('')
+  const [hoSoLink, setHoSoLink] = useState('')
+  const [itemForm, setItemForm] = useState<UpsertKhkkDossierItemInput | null>(null)
+
+  const plan = useQuery({
+    queryKey: ['khkk-detail', id],
+    queryFn: async () => (await api.get<KhkkDetailDto>(`/contract-signing-plans/${id}`)).data,
+    enabled: !!id,
+  })
+
+  const invalidate = () => {
+    qc.invalidateQueries({ queryKey: ['khkk-detail', id] })
+    qc.invalidateQueries({ queryKey: ['khkk-list'] })
+  }
+
+  const saveHeader = useMutation({
+    mutationFn: async () => {
+      await api.put(`/contract-signing-plans/${id}`, {
+        ghiChu: ghiChu.trim() || null,
+        hoSoLink: hoSoLink.trim() || null,
+      })
+    },
+    onSuccess: () => {
+      toast.success('Đã lưu')
+      setEditHeader(false)
+      invalidate()
+    },
+    onError: (e) => toast.error(getErrorMessage(e)),
+  })
+
+  const upsertItem = useMutation({
+    mutationFn: async (body: UpsertKhkkDossierItemInput) => {
+      if (!body.name.trim()) throw new Error('Vui lòng nhập tên căn cứ')
+      // [F-3 S161] BE verify id-path == cmd.ContractSigningPlanId. [F-4] POST ép Id=null
+      // = LUÔN insert ⇒ bấm "Sửa" phải đi PUT, không thì đẻ bản sao im lặng.
+      const payload = {
+        ...body,
+        contractSigningPlanId: id,
+        name: body.name.trim(),
+        tvgsName: body.tvgsName?.trim() || null,
+        note: body.note?.trim() || null,
+      }
+      if (body.id) await api.put(`/contract-signing-plans/${id}/dossier-items/${body.id}`, payload)
+      else await api.post(`/contract-signing-plans/${id}/dossier-items`, payload)
+    },
+    onSuccess: () => {
+      toast.success('Đã lưu căn cứ')
+      setItemForm(null)
+      invalidate()
+    },
+    onError: (e) => toast.error(getErrorMessage(e)),
+  })
+
+  const deleteItem = useMutation({
+    mutationFn: async (itemId: string) =>
+      api.delete(`/contract-signing-plans/${id}/dossier-items/${itemId}`),
+    onSuccess: () => {
+      toast.success('Đã xóa căn cứ')
+      invalidate()
+    },
+    onError: (e) => toast.error(getErrorMessage(e)),
+  })
+
+  const upload = useMutation({
+    mutationFn: async (file: File) => {
+      const fd = new FormData()
+      fd.append('file', file)
+      fd.append('purpose', String(KhkkAttachmentPurpose.DossierScan))
+      return api.post(`/contract-signing-plans/${id}/attachments`, fd, {
+        headers: { 'Content-Type': 'multipart/form-data' },
+      })
+    },
+    onSuccess: () => {
+      toast.success('Đã tải lên')
+      invalidate()
+    },
+    onError: (e) => toast.error(getErrorMessage(e)),
+  })
+
+  const deleteAttachment = useMutation({
+    mutationFn: async (attId: string) => api.delete(`/contract-signing-plans/${id}/attachments/${attId}`),
+    onSuccess: () => {
+      toast.success('Đã xóa file')
+      invalidate()
+    },
+    onError: (e) => toast.error(getErrorMessage(e)),
+  })
+
+  const deletePlan = useMutation({
+    mutationFn: async () => api.delete(`/contract-signing-plans/${id}`),
+    onSuccess: () => {
+      toast.success('Đã xóa kế hoạch')
+      qc.invalidateQueries({ queryKey: ['khkk-list'] })
+      navigate('/khkk/list')
+    },
+    onError: (e) => toast.error(getErrorMessage(e)),
+  })
+
+  async function download(att: KhkkAttachmentDto) {
+    try {
+      const res = await api.get(`/contract-signing-plans/${id}/attachments/${att.id}/download`, {
+        responseType: 'blob',
+      })
+      const url = window.URL.createObjectURL(res.data as Blob)
+      const a = document.createElement('a')
+      a.href = url
+      a.download = att.fileName
+      a.click()
+      window.URL.revokeObjectURL(url)
+    } catch (e) {
+      toast.error(getErrorMessage(e))
+    }
+  }
+
+  async function onPickFiles(e: React.ChangeEvent<HTMLInputElement>) {
+    const files = Array.from(e.target.files ?? [])
+    e.target.value = ''
+    for (const f of files) {
+      try { await upload.mutateAsync(f) } catch { /* lỗi đã toast ở onError */ }
+    }
+  }
+
+  if (plan.isLoading) {
+    return (
+      <div className="space-y-5">
+        <PageHeader eyebrow="Giai đoạn 2" title="Đang tải..." icon={<FileCheck className="h-5 w-5" />} />
+      </div>
+    )
+  }
+
+  if (plan.isError || !plan.data) {
+    return (
+      <div className="space-y-5">
+        <PageHeader
+          eyebrow="Giai đoạn 2"
+          title="Lỗi"
+          icon={<FileCheck className="h-5 w-5" />}
+          actions={
+            <Button variant="outline" onClick={() => navigate('/khkk/list')}>
+              <ArrowLeft className="mr-2 h-4 w-4" />
+              Quay lại
+            </Button>
+          }
+        />
+        <div className="rounded-lg border bg-red-50 p-4 text-sm text-red-800">
+          Không tải được dữ liệu kế hoạch ký kết.
+        </div>
+      </div>
+    )
+  }
+
+  const k = plan.data
+  const phase = k.phase as KhkkPhaseValue
+  const isDraft = phase === KhkkPhase.DangSoanThao || phase === KhkkPhase.TraLai
+  const canDeletePlan = phase === KhkkPhase.DangSoanThao || phase === KhkkPhase.TuChoi
+
+  const startEditHeader = () => {
+    setGhiChu(k.ghiChu ?? '')
+    setHoSoLink(k.hoSoLink ?? '')
+    setEditHeader(true)
+  }
+
+  return (
+    <div className="space-y-5">
+      <PageHeader
+        eyebrow={k.maKeHoach ?? 'Kế hoạch ký kết'}
+        title={k.peTenGoiThau ?? 'Kế hoạch ký kết HĐ'}
+        icon={<FileCheck className="h-5 w-5" />}
+        accent="brand"
+        actions={
+          <>
+            <span
+              className={cn(
+                'inline-flex items-center rounded-md border px-2.5 py-1 text-xs font-medium',
+                KHKK_PHASE_BADGE[phase],
+              )}
+            >
+              {KHKK_PHASE_LABELS[phase]}
+            </span>
+            {canDeletePlan && (
+              <Button
+                variant="outline"
+                onClick={() => {
+                  if (window.confirm('Xóa kế hoạch ký kết này?')) deletePlan.mutate()
+                }}
+                disabled={deletePlan.isPending}
+              >
+                <Trash2 className="mr-2 h-4 w-4" />
+                Xóa
+              </Button>
+            )}
+            <Button variant="outline" onClick={() => navigate('/khkk/list')}>
+              <ArrowLeft className="mr-2 h-4 w-4" />
+              Danh sách
+            </Button>
+          </>
+        }
+      />
+
+      {/* Section 1: Thông tin */}
+      <SectionCard
+        title="Thông tin kế hoạch"
+        icon={<FileCheck className="h-4 w-4" />}
+        accent="var(--color-brand-500)"
+        head="text-brand-800"
+        chipBg="var(--color-brand-50)"
+        chipFg="var(--color-brand-600)"
+        actions={
+          isDraft && !editHeader ? (
+            <Button variant="outline" size="sm" onClick={startEditHeader}>
+              <Pencil className="mr-2 h-3.5 w-3.5" />
+              Sửa
+            </Button>
+          ) : undefined
+        }
+      >
+        <div className="grid grid-cols-1 gap-x-6 gap-y-4 md:grid-cols-2">
+          <Field label="Mã kế hoạch" value={k.maKeHoach ?? '—'} mono />
+          <Field label="Phiếu Duyệt NCC nguồn">
+            <span className="font-mono text-sm">{k.peMaPhieu ?? '—'}</span>
+          </Field>
+          <Field label="Dự án" value={k.projectName ?? '—'} />
+          <Field label="Phòng ban" value={k.departmentName ?? '—'} />
+          <Field label="Người soạn" value={k.drafterFullName ?? '—'} />
+          <Field label="Quy trình">
+            {k.workflowCode ? (
+              <span>
+                <span className="font-mono">{k.workflowCode}</span> - {k.workflowName}
+              </span>
+            ) : (
+              <span className="text-slate-300">— Chưa chọn —</span>
+            )}
+          </Field>
+          <Field label="Ngày tạo" value={formatDateTime(k.createdAt)} />
+          <Field label="Hạn xử lý (tham khảo)" value={k.slaDeadline ? formatDateTime(k.slaDeadline) : '—'} />
+        </div>
+
+        {editHeader ? (
+          <div className="mt-4 space-y-3 rounded-lg border border-slate-200 bg-slate-50/60 p-4">
+            <div>
+              <Label htmlFor="hoSoLink">Link hồ sơ (NAS)</Label>
+              <Input
+                id="hoSoLink"
+                value={hoSoLink}
+                onChange={(e) => setHoSoLink(e.target.value)}
+                maxLength={1000}
+                placeholder="\\\\nas\\du-an\\..."
+              />
+            </div>
+            <div>
+              <Label htmlFor="ghiChu">Ghi chú</Label>
+              <Textarea
+                id="ghiChu"
+                value={ghiChu}
+                onChange={(e) => setGhiChu(e.target.value)}
+                maxLength={2000}
+                rows={4}
+              />
+              <div className="mt-1 text-xs text-muted-foreground">{ghiChu.length}/2000</div>
+            </div>
+            <div className="flex justify-end gap-2">
+              <Button variant="outline" size="sm" onClick={() => setEditHeader(false)}>
+                Huỷ
+              </Button>
+              <Button size="sm" onClick={() => saveHeader.mutate()} disabled={saveHeader.isPending}>
+                <Save className="mr-2 h-3.5 w-3.5" />
+                {saveHeader.isPending ? 'Đang lưu...' : 'Lưu'}
+              </Button>
+            </div>
+          </div>
+        ) : (
+          <div className="mt-4 grid grid-cols-1 gap-x-6 gap-y-4 md:grid-cols-2">
+            <Field label="Link hồ sơ" full>
+              {k.hoSoLink ? (
+                <span className="break-all font-normal text-slate-700">{k.hoSoLink}</span>
+              ) : (
+                <span className="text-slate-300">—</span>
+              )}
+            </Field>
+            <Field label="Ghi chú" full>
+              {k.ghiChu ? (
+                <span className="whitespace-pre-wrap font-normal text-slate-700">{k.ghiChu}</span>
+              ) : (
+                <span className="text-slate-300">—</span>
+              )}
+            </Field>
+          </div>
+        )}
+      </SectionCard>
+
+      {/* Section 2: Dòng giá per-NCC trúng thầu */}
+      <SectionCard
+        title="Giá đề xuất theo NCC trúng thầu"
+        icon={<Users className="h-4 w-4" />}
+        accent="var(--color-teal-500)"
+        head="text-teal-700"
+        chipBg="var(--color-teal-50)"
+        chipFg="var(--color-teal-700)"
+        count={k.lines.length}
+      >
+        {k.lines.length === 0 ? (
+          <div className="text-sm text-muted-foreground">Phiếu nguồn chưa có NCC trúng thầu.</div>
+        ) : (
+          <table className="w-full text-sm">
+            <thead className="border-b border-slate-200 bg-slate-50/70">
+              <tr>
+                <th className="label-eyebrow px-3 py-2 text-left">Nhà cung cấp</th>
+                <th className="label-eyebrow px-3 py-2 text-right">Giá tham chiếu (phiếu NCC)</th>
+                <th className="label-eyebrow px-3 py-2 text-right">Giá đề xuất</th>
+                <th className="label-eyebrow px-3 py-2 text-right">Giá duyệt</th>
+                <th className="label-eyebrow px-3 py-2 text-left">Ghi chú</th>
+              </tr>
+            </thead>
+            <tbody>
+              {k.lines.map((l) => (
+                <tr key={l.id} className="border-b border-slate-100 last:border-0">
+                  <td className="px-3 py-2 font-medium text-brand-800">{l.supplierName ?? '—'}</td>
+                  <td className="px-3 py-2 text-right tabular-nums text-slate-600">{formatVnd(l.peReferenceAmount)}</td>
+                  <td className="px-3 py-2 text-right tabular-nums text-brand-800">{formatVnd(l.proposedAmount)}</td>
+                  <td className="px-3 py-2 text-right tabular-nums text-emerald-700">{formatVnd(l.approvedAmount)}</td>
+                  <td className="px-3 py-2 text-xs text-slate-600">{l.note ?? '—'}</td>
+                </tr>
+              ))}
+            </tbody>
+          </table>
+        )}
+        <div className="mt-3 text-xs text-muted-foreground">
+          Giá tham chiếu là SNAPSHOT tổng báo giá được chọn của NCC trên phiếu Duyệt NCC tại thời điểm lập kế hoạch.
+        </div>
+      </SectionCard>
+
+      {/* Section 3: Căn cứ hồ sơ b.8-9 */}
+      <SectionCard
+        title="Căn cứ hồ sơ (mẫu vật liệu / shopdrawing)"
+        icon={<ClipboardList className="h-4 w-4" />}
+        accent="var(--color-violet-500)"
+        head="text-violet-700"
+        chipBg="var(--color-violet-50)"
+        chipFg="var(--color-violet-700)"
+        count={k.dossierItems.length}
+        actions={
+          isDraft ? (
+            <Button variant="outline" size="sm" onClick={() => setItemForm({ ...EMPTY_ITEM })}>
+              <Plus className="mr-2 h-3.5 w-3.5" />
+              Thêm căn cứ
+            </Button>
+          ) : undefined
+        }
+      >
+        {k.dossierItems.length === 0 ? (
+          <div className="text-sm text-muted-foreground">Chưa khai căn cứ nào.</div>
+        ) : (
+          <table className="w-full text-sm">
+            <thead className="border-b border-slate-200 bg-slate-50/70">
+              <tr>
+                <th className="label-eyebrow px-3 py-2 text-left">Loại</th>
+                <th className="label-eyebrow px-3 py-2 text-left">Tên căn cứ</th>
+                <th className="label-eyebrow px-3 py-2 text-left">Trạng thái</th>
+                <th className="label-eyebrow px-3 py-2 text-left">TVGS</th>
+                <th className="label-eyebrow px-3 py-2 text-left">Ghi chú</th>
+                {isDraft && <th className="label-eyebrow px-3 py-2 text-right">Thao tác</th>}
+              </tr>
+            </thead>
+            <tbody>
+              {k.dossierItems.map((d: KhkkDossierItemDto) => (
+                <tr key={d.id} className="border-b border-slate-100 last:border-0">
+                  <td className="px-3 py-2 text-xs text-slate-600">{DOSSIER_KIND_LABELS[d.kind] ?? '—'}</td>
+                  <td className="px-3 py-2 font-medium text-brand-800">{d.name}</td>
+                  <td className="px-3 py-2">
+                    <span
+                      className={cn(
+                        'inline-flex items-center rounded-md border px-2 py-0.5 text-xs font-medium',
+                        DOSSIER_STATUS_BADGE[d.status],
+                      )}
+                    >
+                      {DOSSIER_STATUS_LABELS[d.status]}
+                    </span>
+                  </td>
+                  <td className="px-3 py-2 text-xs text-slate-600">
+                    {d.tvgsName ?? '—'}
+                    {d.tvgsResultAt && (
+                      <span className="ml-1 text-[11px] text-slate-400">({formatDateTime(d.tvgsResultAt)})</span>
+                    )}
+                  </td>
+                  <td className="px-3 py-2 text-xs text-slate-600">{d.note ?? '—'}</td>
+                  {isDraft && (
+                    <td className="px-3 py-2 text-right">
+                      <div className="flex justify-end gap-1">
+                        <button
+                          type="button"
+                          onClick={() =>
+                            setItemForm({
+                              id: d.id,
+                              kind: d.kind,
+                              supplierId: d.supplierId,
+                              name: d.name,
+                              status: d.status,
+                              tvgsName: d.tvgsName ?? '',
+                              note: d.note ?? '',
+                            })
+                          }
+                          className="rounded px-1.5 py-1 text-violet-600 hover:bg-violet-50"
+                          title="Sửa"
+                        >
+                          <Pencil className="h-3.5 w-3.5" />
+                        </button>
+                        <button
+                          type="button"
+                          onClick={() => {
+                            if (window.confirm(`Xóa căn cứ "${d.name}"?`)) deleteItem.mutate(d.id)
+                          }}
+                          className="rounded px-1.5 py-1 text-red-600 hover:bg-red-50"
+                          title="Xóa"
+                        >
+                          <Trash2 className="h-3.5 w-3.5" />
+                        </button>
+                      </div>
+                    </td>
+                  )}
+                </tr>
+              ))}
+            </tbody>
+          </table>
+        )}
+      </SectionCard>
+
+      {/* Section 4: File đính kèm — mở mọi phase */}
+      <SectionCard
+        title="File đính kèm"
+        icon={<Paperclip className="h-4 w-4" />}
+        accent="var(--color-teal-500)"
+        head="text-teal-700"
+        chipBg="var(--color-teal-50)"
+        chipFg="var(--color-teal-700)"
+        count={k.attachments.length}
+        actions={
+          <label className="inline-flex cursor-pointer items-center rounded-md border border-slate-300 px-2.5 py-1.5 text-xs font-medium text-slate-700 hover:bg-slate-50">
+            <Upload className="mr-2 h-3.5 w-3.5" />
+            {upload.isPending ? 'Đang tải...' : 'Tải file lên'}
+            <input type="file" multiple className="hidden" onChange={onPickFiles} />
+          </label>
+        }
+      >
+        {k.attachments.length === 0 ? (
+          <div className="text-sm text-muted-foreground">Chưa có file đính kèm.</div>
+        ) : (
+          <ul className="space-y-2">
+            {k.attachments.map((a) => (
+              <li key={a.id} className="flex items-center justify-between rounded-lg border border-slate-200 p-2.5 text-sm">
+                <div className="min-w-0">
+                  <div className="truncate font-medium text-brand-800">{a.fileName}</div>
+                  <div className="text-xs text-muted-foreground">
+                    {formatSize(a.fileSize)} · {formatDateTime(a.createdAt)}
+                  </div>
+                </div>
+                <div className="flex shrink-0 gap-2">
+                  <button type="button" onClick={() => download(a)} className="text-xs text-primary hover:underline">
+                    Tải xuống
+                  </button>
+                  <button
+                    type="button"
+                    onClick={() => {
+                      if (window.confirm(`Xóa file "${a.fileName}"?`)) deleteAttachment.mutate(a.id)
+                    }}
+                    className="text-xs text-red-600 hover:underline"
+                  >
+                    Xóa
+                  </button>
+                </div>
+              </li>
+            ))}
+          </ul>
+        )}
+      </SectionCard>
+
+      {/* Dialog thêm/sửa căn cứ */}
+      <Dialog
+        open={!!itemForm}
+        onClose={() => setItemForm(null)}
+        title={itemForm?.id ? 'Sửa căn cứ hồ sơ' : 'Thêm căn cứ hồ sơ'}
+      >
+        {itemForm && (
+          <div className="space-y-3">
+            <div>
+              <Label htmlFor="item-kind">Loại căn cứ</Label>
+              <select
+                id="item-kind"
+                value={itemForm.kind}
+                onChange={(e) => setItemForm({ ...itemForm, kind: Number(e.target.value) as DossierItemKindValue })}
+                className="flex h-9 w-full rounded-md border border-input bg-background px-3 py-1 text-sm shadow-sm"
+              >
+                {Object.entries(DOSSIER_KIND_LABELS).map(([v, label]) => (
+                  <option key={v} value={v}>
+                    {label}
+                  </option>
+                ))}
+              </select>
+            </div>
+            <div>
+              <Label htmlFor="item-name">
+                Tên căn cứ <span className="text-red-500">*</span>
+              </Label>
+              <Input
+                id="item-name"
+                value={itemForm.name}
+                onChange={(e) => setItemForm({ ...itemForm, name: e.target.value })}
+                maxLength={300}
+                placeholder="vd. Mẫu thép D10 Hoà Phát"
+              />
+            </div>
+            <div>
+              <Label htmlFor="item-status">Trạng thái</Label>
+              <select
+                id="item-status"
+                value={itemForm.status}
+                onChange={(e) => setItemForm({ ...itemForm, status: Number(e.target.value) as DossierItemStatusValue })}
+                className="flex h-9 w-full rounded-md border border-input bg-background px-3 py-1 text-sm shadow-sm"
+              >
+                {Object.entries(DOSSIER_STATUS_LABELS).map(([v, label]) => (
+                  <option key={v} value={v}>
+                    {label}
+                  </option>
+                ))}
+              </select>
+            </div>
+            <div>
+              <Label htmlFor="item-tvgs">Tên TVGS xử lý</Label>
+              <Input
+                id="item-tvgs"
+                value={itemForm.tvgsName ?? ''}
+                onChange={(e) => setItemForm({ ...itemForm, tvgsName: e.target.value })}
+                maxLength={200}
+              />
+            </div>
+            <div>
+              <Label htmlFor="item-note">Ghi chú</Label>
+              <Textarea
+                id="item-note"
+                value={itemForm.note ?? ''}
+                onChange={(e) => setItemForm({ ...itemForm, note: e.target.value })}
+                maxLength={1000}
+                rows={3}
+              />
+            </div>
+            <div className="flex justify-end gap-2 pt-2">
+              <Button variant="outline" onClick={() => setItemForm(null)}>
+                Huỷ
+              </Button>
+              <Button
+                onClick={() => upsertItem.mutate(itemForm)}
+                disabled={upsertItem.isPending || !itemForm.name.trim()}
+              >
+                {upsertItem.isPending ? 'Đang lưu...' : 'Lưu'}
+              </Button>
+            </div>
+          </div>
+        )}
+      </Dialog>
+    </div>
+  )
+}

fe-admin/src/pages/khkk/KhkkListPage.tsx

@@ -0,0 +1,265 @@
+// [W2 KHKK — S161 2026-07-29] Danh sách "Kế hoạch ký kết HĐ" (GĐ2).
+// Khuôn `pages/office/ProposalsListPage.tsx` (PURO layout: ui/PageHeader + hàng
+// KpiCard làm bộ lọc + bảng + phân trang). File MIRROR SHA256 identical với
+// fe-admin counterpart.
+//
+// URL vào từ menu (Layout.tsx staticMap — chỗ thứ 4 của Pattern 16-bis):
+//   Khkk_List     → /khkk/list
+//   Khkk_Pending  → /khkk/list?filter=ChoDuyet
+//   Khkk_Approved → /khkk/list?filter=DaDuyet
+//   Khkk_Deleted  → /khkk/list?view=deleted
+// 🔴 Chip lọc chỉ đổi STATE, KHÔNG ghi lại URL — giữ nguyên URL của leaf đang đứng
+// nên menu không sáng nhầm (bug UAT S155 khi URL leaf trùng URL user tự lọc).
+import { useMemo, useState, type ReactNode } from 'react'
+import { useQuery } from '@tanstack/react-query'
+import { useNavigate, useSearchParams } from 'react-router-dom'
+import {
+  Plus, Search, FileCheck, FileEdit, SendHorizontal,
+  CheckCircle2, Undo2, XCircle, Layers, Inbox, Trash2,
+} from 'lucide-react'
+import { PageHeader } from '@/components/ui/PageHeader'
+import { KpiCard } from '@/components/ui/KpiCard'
+import { Button } from '@/components/ui/Button'
+import { Input } from '@/components/ui/Input'
+import { api } from '@/lib/api'
+import { cn } from '@/lib/cn'
+import {
+  KHKK_PHASE_BADGE,
+  KHKK_PHASE_LABELS,
+  KhkkPhase,
+  type KhkkListItemDto,
+  type KhkkPhaseValue,
+  type PagedResult,
+} from '@/types/khkk'
+
+const PAGE_SIZE = 20
+
+// Tên phase trong query `?filter=` → int (URL đọc được, không dính số ma thuật).
+const FILTER_TO_PHASE: Record<string, KhkkPhaseValue> = {
+  DangSoanThao: KhkkPhase.DangSoanThao,
+  ChoDuyet: KhkkPhase.ChoDuyet,
+  DaDuyet: KhkkPhase.DaDuyet,
+  TraLai: KhkkPhase.TraLai,
+  TuChoi: KhkkPhase.TuChoi,
+}
+
+function formatVnd(n: number | null): string {
+  if (n === null || n === undefined) return '—'
+  return n.toLocaleString('vi-VN') + ' đ'
+}
+
+function formatDate(iso: string): string {
+  const d = new Date(iso)
+  return d.toLocaleDateString('vi-VN', { day: '2-digit', month: '2-digit', year: 'numeric' })
+}
+
+export function KhkkListPage() {
+  const navigate = useNavigate()
+  const [searchParams] = useSearchParams()
+  const initialFilter = searchParams.get('filter')
+  const deletedView = searchParams.get('view') === 'deleted'
+
+  const [phase, setPhase] = useState<KhkkPhaseValue | null>(
+    initialFilter ? (FILTER_TO_PHASE[initialFilter] ?? null) : null,
+  )
+  const [search, setSearch] = useState('')
+  const [page, setPage] = useState(1)
+
+  const list = useQuery({
+    queryKey: ['khkk-list', { phase, search, page, deletedView }],
+    queryFn: async () => {
+      // Phiếu xóa mềm bị HasQueryFilter che ở list thường — chỉ endpoint riêng
+      // `/deleted` thấy (mirror PE `/purchase-evaluations/deleted`, S155).
+      const url = deletedView ? '/contract-signing-plans/deleted' : '/contract-signing-plans'
+      return (await api.get<PagedResult<KhkkListItemDto>>(url, {
+        params: {
+          phase: deletedView ? undefined : (phase ?? undefined),
+          search: search.trim() || undefined,
+          page,
+          pageSize: PAGE_SIZE,
+        },
+      })).data
+    },
+  })
+
+  const items = list.data?.items ?? []
+  const total = list.data?.total ?? 0
+  const totalPages = list.data?.totalPages ?? 1
+
+  // Presentation-only: đếm trên trang đang tải (không fetch thêm). Card đang active
+  // hiện `total` thật từ server; card khác chỉ là gợi ý nhìn nhanh.
+  const countByPhase = useMemo(() => {
+    const acc: Record<number, number> = { 1: 0, 2: 0, 3: 0, 98: 0, 99: 0 }
+    for (const p of items) acc[p.phase] = (acc[p.phase] ?? 0) + 1
+    return acc
+  }, [items])
+
+  const phaseCards: Array<{
+    value: KhkkPhaseValue | null
+    label: string
+    icon: ReactNode
+    accent: 'brand' | 'teal' | 'violet' | 'amberx' | 'greenx'
+    count: number
+  }> = [
+    { value: null, label: 'Tất cả', icon: <Layers className="h-4 w-4" />, accent: 'brand', count: phase === null ? total : items.length },
+    { value: KhkkPhase.DangSoanThao, label: KHKK_PHASE_LABELS[1], icon: <FileEdit className="h-4 w-4" />, accent: 'violet', count: phase === 1 ? total : countByPhase[1] },
+    { value: KhkkPhase.ChoDuyet, label: KHKK_PHASE_LABELS[2], icon: <SendHorizontal className="h-4 w-4" />, accent: 'amberx', count: phase === 2 ? total : countByPhase[2] },
+    { value: KhkkPhase.DaDuyet, label: KHKK_PHASE_LABELS[3], icon: <CheckCircle2 className="h-4 w-4" />, accent: 'greenx', count: phase === 3 ? total : countByPhase[3] },
+    { value: KhkkPhase.TraLai, label: KHKK_PHASE_LABELS[98], icon: <Undo2 className="h-4 w-4" />, accent: 'violet', count: phase === 98 ? total : countByPhase[98] },
+    { value: KhkkPhase.TuChoi, label: KHKK_PHASE_LABELS[99], icon: <XCircle className="h-4 w-4" />, accent: 'amberx', count: phase === 99 ? total : countByPhase[99] },
+  ]
+
+  return (
+    <div className="space-y-5">
+      <PageHeader
+        eyebrow="Giai đoạn 2"
+        title={deletedView ? 'Kế hoạch ký kết HĐ — đã xóa' : 'Kế hoạch ký kết HĐ'}
+        subtitle={
+          deletedView
+            ? 'Phiếu đã xóa mềm — chỉ xem danh sách'
+            : 'Chốt giá per-NCC trúng thầu + căn cứ hồ sơ trước khi ký hợp đồng'
+        }
+        icon={deletedView ? <Trash2 className="h-5 w-5" /> : <FileCheck className="h-5 w-5" />}
+        accent="brand"
+        actions={
+          deletedView ? undefined : (
+            <Button onClick={() => navigate('/khkk/create')}>
+              <Plus className="mr-2 h-4 w-4" />
+              Lập kế hoạch
+            </Button>
+          )
+        }
+      />
+
+      {!deletedView && (
+        <div className="grid grid-cols-2 gap-3 sm:grid-cols-3 lg:grid-cols-6">
+          {phaseCards.map((c) => (
+            <KpiCard
+              key={c.value ?? 'all'}
+              label={c.label}
+              value={c.count}
+              icon={c.icon}
+              accent={c.accent}
+              active={phase === c.value}
+              onClick={() => {
+                setPhase(c.value)
+                setPage(1)
+              }}
+            />
+          ))}
+        </div>
+      )}
+
+      <div className="card-accent flex items-center gap-3 px-4 py-3" style={{ ['--accent' as string]: 'var(--color-brand-500)' }}>
+        <Search className="h-4 w-4 shrink-0 text-slate-400" />
+        <Input
+          value={search}
+          onChange={(e) => {
+            setSearch(e.target.value)
+            setPage(1)
+          }}
+          placeholder="Tìm mã kế hoạch, mã phiếu hoặc tên gói thầu..."
+          className="max-w-md border-0 bg-transparent px-0 shadow-none focus-visible:ring-0"
+        />
+      </div>
+
+      <div className="card-accent overflow-hidden" style={{ ['--accent' as string]: 'var(--color-brand-500)' }}>
+        <table className="w-full text-sm">
+          <thead className="border-b border-slate-200 bg-slate-50/70">
+            <tr>
+              <th className="label-eyebrow px-4 py-2.5 text-left">Mã kế hoạch</th>
+              <th className="label-eyebrow px-4 py-2.5 text-left">Gói thầu</th>
+              <th className="label-eyebrow px-4 py-2.5 text-left">Dự án</th>
+              <th className="label-eyebrow px-4 py-2.5 text-left">Trạng thái</th>
+              <th className="label-eyebrow px-4 py-2.5 text-right">Tổng đề xuất</th>
+              <th className="label-eyebrow px-4 py-2.5 text-left">Người soạn</th>
+              <th className="label-eyebrow px-4 py-2.5 text-left">Ngày tạo</th>
+            </tr>
+          </thead>
+          <tbody>
+            {list.isLoading && (
+              <tr>
+                <td colSpan={7} className="px-4 py-8 text-center text-slate-500">
+                  Đang tải...
+                </td>
+              </tr>
+            )}
+            {!list.isLoading && items.length === 0 && (
+              <tr>
+                <td colSpan={7} className="px-4 py-10 text-center text-slate-500">
+                  <span
+                    className="icon-chip mx-auto mb-2 flex"
+                    style={{ ['--chip-bg' as string]: '#f1f5f9', ['--chip-fg' as string]: '#94a3b8' }}
+                    aria-hidden
+                  >
+                    <Inbox className="h-4 w-4" />
+                  </span>
+                  {deletedView ? 'Không có phiếu đã xóa.' : 'Chưa có kế hoạch ký kết nào.'}
+                </td>
+              </tr>
+            )}
+            {items.map((k) => (
+              <tr
+                key={k.id}
+                onClick={() => !deletedView && navigate(`/khkk/${k.id}`)}
+                className={cn(
+                  'border-b border-slate-100 transition last:border-0',
+                  deletedView ? 'opacity-70' : 'cursor-pointer hover:bg-brand-50/50',
+                )}
+              >
+                <td className="px-4 py-2.5">
+                  <span className="inline-flex items-center gap-2">
+                    <span
+                      className="icon-chip h-7! w-7!"
+                      style={{ ['--chip-bg' as string]: 'var(--color-brand-50)', ['--chip-fg' as string]: 'var(--color-brand-600)' }}
+                      aria-hidden
+                    >
+                      <FileCheck className="h-3.5 w-3.5" />
+                    </span>
+                    <span className="font-mono text-xs text-brand-800">{k.maKeHoach ?? '—'}</span>
+                  </span>
+                </td>
+                <td className="max-w-xs truncate px-4 py-2.5 font-medium text-brand-800">
+                  {k.peTenGoiThau ?? '—'}
+                  {k.peMaPhieu && <span className="ml-2 font-mono text-[11px] text-slate-400">{k.peMaPhieu}</span>}
+                </td>
+                <td className="max-w-[14rem] truncate px-4 py-2.5 text-xs text-slate-600">{k.projectName ?? '—'}</td>
+                <td className="px-4 py-2.5">
+                  <span
+                    className={cn(
+                      'inline-flex items-center rounded-md border px-2 py-0.5 text-xs font-medium',
+                      KHKK_PHASE_BADGE[k.phase as KhkkPhaseValue],
+                    )}
+                  >
+                    {KHKK_PHASE_LABELS[k.phase as KhkkPhaseValue]}
+                  </span>
+                  {k.currentApprovalLevelOrder && (
+                    <span className="ml-2 text-xs text-slate-500">Cấp {k.currentApprovalLevelOrder}</span>
+                  )}
+                </td>
+                <td className="px-4 py-2.5 text-right tabular-nums text-brand-800">{formatVnd(k.totalProposedAmount)}</td>
+                <td className="px-4 py-2.5 text-xs text-slate-600">{k.drafterFullName ?? '—'}</td>
+                <td className="px-4 py-2.5 text-xs text-slate-600">{formatDate(k.createdAt)}</td>
+              </tr>
+            ))}
+          </tbody>
+        </table>
+        {totalPages > 1 && (
+          <div className="flex items-center justify-between border-t border-slate-200 px-4 py-2.5 text-sm">
+            <div className="text-slate-500">
+              {total} kế hoạch — Trang {page} / {totalPages}
+            </div>
+            <div className="flex gap-1">
+              <Button variant="outline" size="sm" disabled={page <= 1} onClick={() => setPage((p) => p - 1)}>
+                Trước
+              </Button>
+              <Button variant="outline" size="sm" disabled={page >= totalPages} onClick={() => setPage((p) => p + 1)}>
+                Sau
+              </Button>
+            </div>
+          </div>
+        )}
+      </div>
+    </div>
+  )
+}

fe-admin/src/types/khkk.ts

@@ -0,0 +1,229 @@
+// [W2 KHKK — S161 2026-07-29] Kế hoạch ký kết HĐ (GĐ2, tờ FO-002.01) types.
+// File MIRROR SHA256 identical với fe-admin counterpart.
+//
+// 🔴 NGUỒN SHAPE = ENTITY `src/Backend/SolutionErp.Domain/ContractSigningPlans/*.cs`
+// (W1 Mig 69) — BE lane viết `ContractSigningPlanFeatures.cs` SONG SONG lượt này, DTO
+// mirror thẳng tên cột entity (camelCase khi serialize). Chỗ nào BE trả khác tên thì
+// SỬA Ở ĐÂY (1 file, 2 app) chứ đừng vá rải ở page.
+//
+// Hợp đồng FE ↔ BE lượt W2 (base `/api`):
+//   GET    /contract-signing-plans            ?phase&search&page&pageSize  → PagedResult<KhkkListItemDto>
+//   GET    /contract-signing-plans/deleted    (mirror PE `/purchase-evaluations/deleted`)
+//   GET    /contract-signing-plans/{id}                                    → KhkkDetailDto
+//   POST   /contract-signing-plans            CreateKhkkInput              → { id, maKeHoach }
+//   PUT    /contract-signing-plans/{id}       UpdateKhkkDraftInput
+//   DELETE /contract-signing-plans/{id}
+//   GET    /contract-signing-plans/approved-pe-awaiting-plan               → KhkkPeCandidateDto[]  [F-1 S161: khớp route BE thật]
+//   POST   /contract-signing-plans/{id}/dossier-items          UpsertKhkkDossierItemInput (id=null ⇒ tạo)
+//   PUT    /contract-signing-plans/{id}/dossier-items/{itemId} UpsertKhkkDossierItemInput (sửa — F-4: POST luôn insert)
+//   DELETE /contract-signing-plans/{id}/dossier-items/{itemId}
+//   POST   /contract-signing-plans/{id}/attachments            multipart { file, purpose, dossierItemId? }
+//   GET    /contract-signing-plans/{id}/attachments/{attId}/download
+//   DELETE /contract-signing-plans/{id}/attachments/{attId}
+// (transitions submit/approve/return/reject = W3, CỐ Ý chưa có ở đây.)
+
+// Mirror `ContractSigningPlanPhase.cs` — 🔴 bắt đầu từ 1 (0 falsy JS).
+export const KhkkPhase = {
+  DangSoanThao: 1,
+  ChoDuyet: 2,
+  DaDuyet: 3,
+  TraLai: 98,
+  TuChoi: 99,
+} as const
+export type KhkkPhaseValue = (typeof KhkkPhase)[keyof typeof KhkkPhase]
+
+export const KHKK_PHASE_LABELS: Record<KhkkPhaseValue, string> = {
+  1: 'Đang soạn thảo',
+  2: 'Chờ duyệt',
+  3: 'Đã duyệt',
+  98: 'Trả lại',
+  99: 'Từ chối',
+}
+
+// Pattern 14 (Tailwind JIT): full class string literal, KHÔNG nội suy mảnh class.
+export const KHKK_PHASE_BADGE: Record<KhkkPhaseValue, string> = {
+  1: 'bg-slate-100 text-slate-700 border-slate-300',
+  2: 'bg-amber-100 text-amber-800 border-amber-300',
+  3: 'bg-emerald-100 text-emerald-800 border-emerald-300',
+  98: 'bg-orange-100 text-orange-800 border-orange-300',
+  99: 'bg-red-100 text-red-800 border-red-300',
+}
+
+// Mirror `ContractSigningPlanDossierItem.cs` — căn cứ mục b.8-9.
+export const DossierItemKind = {
+  MauVatLieu: 1,
+  Shopdrawing: 2,
+  Khac: 99,
+} as const
+export type DossierItemKindValue = (typeof DossierItemKind)[keyof typeof DossierItemKind]
+
+export const DOSSIER_KIND_LABELS: Record<DossierItemKindValue, string> = {
+  1: 'Mẫu vật liệu',
+  2: 'Shopdrawing',
+  99: 'Khác',
+}
+
+export const DossierItemStatus = {
+  ChuaNop: 1,
+  DaNop: 2,
+  TvgsDuyet: 3,
+  TvgsBac: 4,
+} as const
+export type DossierItemStatusValue = (typeof DossierItemStatus)[keyof typeof DossierItemStatus]
+
+export const DOSSIER_STATUS_LABELS: Record<DossierItemStatusValue, string> = {
+  1: 'Chưa nộp',
+  2: 'Đã nộp',
+  3: 'TVGS duyệt',
+  4: 'TVGS bác',
+}
+
+export const DOSSIER_STATUS_BADGE: Record<DossierItemStatusValue, string> = {
+  1: 'bg-slate-100 text-slate-700 border-slate-300',
+  2: 'bg-sky-100 text-sky-800 border-sky-300',
+  3: 'bg-emerald-100 text-emerald-800 border-emerald-300',
+  4: 'bg-red-100 text-red-800 border-red-300',
+}
+
+// Mirror `ContractSigningPlanAttachmentPurpose`.
+export const KhkkAttachmentPurpose = {
+  DossierScan: 1,
+  PlanDocument: 2,
+  Other: 99,
+} as const
+export type KhkkAttachmentPurposeValue =
+  (typeof KhkkAttachmentPurpose)[keyof typeof KhkkAttachmentPurpose]
+
+export const KHKK_ATTACHMENT_PURPOSE_LABELS: Record<KhkkAttachmentPurposeValue, string> = {
+  1: 'Scan căn cứ',
+  2: 'Bản kế hoạch',
+  99: 'Khác',
+}
+
+export interface KhkkListItemDto {
+  id: string
+  maKeHoach: string | null
+  phase: KhkkPhaseValue
+  purchaseEvaluationId: string
+  peMaPhieu: string | null
+  peTenGoiThau: string | null   // [F-5 S161] BE trả `PeTenGoiThau` (List :39 + Detail :124) — KHÔNG phải tenGoiThau
+  projectId: string
+  projectName: string | null
+  departmentId: string | null
+  departmentName: string | null
+  drafterUserId: string
+  drafterFullName: string | null
+  approvalWorkflowId: string | null
+  workflowCode: string | null
+  currentApprovalLevelOrder: number | null
+  totalProposedAmount: number | null
+  createdAt: string
+  updatedAt: string | null
+}
+
+export interface KhkkLineDto {
+  id: string
+  supplierId: string
+  supplierName: string | null
+  peReferenceAmount: number
+  proposedAmount: number
+  approvedAmount: number | null
+  contractId: string | null
+  note: string | null
+}
+
+export interface KhkkDossierItemDto {
+  id: string
+  kind: DossierItemKindValue
+  supplierId: string | null
+  supplierName: string | null
+  name: string
+  status: DossierItemStatusValue
+  tvgsName: string | null
+  tvgsResultAt: string | null
+  note: string | null
+}
+
+export interface KhkkAttachmentDto {
+  id: string
+  dossierItemId: string | null   // [F-7 S161] khớp DTO BE `DossierItemId`
+  fileName: string
+  fileSize: number
+  contentType: string | null
+  purpose: KhkkAttachmentPurposeValue
+  note: string | null
+  createdAt: string
+}
+
+export interface KhkkLevelOpinionDto {
+  id: string
+  approvalWorkflowLevelId: string
+  stepOrder: number | null
+  stepName: string | null
+  levelOrder: number | null
+  comment: string | null
+  signedAt: string
+  signedByUserId: string
+  signedByFullName: string
+}
+
+export interface KhkkDetailDto extends KhkkListItemDto {
+  workflowName: string | null
+  currentWorkflowStepIndex: number | null
+  slaDeadline: string | null
+  hoSoLink: string | null
+  ghiChu: string | null
+  lines: KhkkLineDto[]
+  dossierItems: KhkkDossierItemDto[]
+  attachments: KhkkAttachmentDto[]
+  levelOpinions: KhkkLevelOpinionDto[]
+}
+
+// Phiếu PE nguồn đủ điều kiện lập kế hoạch (DaDuyet + chưa có plan sống).
+// CỐ Ý là TẬP CON của `PurchaseEvaluationListItemDto` BE trả — field thừa bỏ qua runtime.
+export interface KhkkPeCandidateDto {
+  id: string
+  maPhieu: string | null
+  tenGoiThau: string
+  projectName: string | null
+  workItemName: string | null
+  winnerSupplierNames: string[]
+  createdAt: string
+}
+
+export interface CreateKhkkInput {
+  // [F-2 S161] BE Command = `PeId` (D1 — spec là hợp-đồng 2 lane); `purchaseEvaluationId`
+  // KHÔNG bind ⇒ Guid.Empty ⇒ 400 mọi lần Lưu. Tên field ở đây PHẢI là peId.
+  peId: string
+  approvalWorkflowId: string
+  ghiChu?: string | null
+}
+
+export interface UpdateKhkkDraftInput {
+  approvalWorkflowId?: string | null
+  ghiChu?: string | null
+  hoSoLink?: string | null
+}
+
+export interface UpsertKhkkDossierItemInput {
+  // [F-3 S161] BE verify id-path == cmd.ContractSigningPlanId — thiếu trong BODY = 400 vĩnh viễn.
+  // Optional ở FORM-STATE: mutation inject `contractSigningPlanId: id` lúc submit (KhkkDetailPage).
+  contractSigningPlanId?: string
+  id?: string | null
+  kind: DossierItemKindValue
+  supplierId?: string | null
+  name: string
+  status: DossierItemStatusValue
+  tvgsName?: string | null
+  note?: string | null
+}
+
+export interface PagedResult<T> {
+  items: T[]
+  total: number
+  page: number
+  pageSize: number
+  totalPages: number
+  hasNext: boolean
+  hasPrev: boolean
+}