feat(全局概览): 驳回/返工卡片可点击下钻明细抽屉

- 驳回/返工数字改为可点击按钮，打开明细抽屉(仿完成明细)
- RejectedRow 展示设备/被驳回工序/驳回人/返工给谁/原因/时间，行点击跳转任务全景
- 跟随顶部时间筛选(since/until)

frontend/src/pages/admin/AdminDashboard.tsx

@@ -7,8 +7,8 @@ import { useNavigate } from "react-router-dom";
 import { Radio, DatePicker, Drawer, Input } from "antd";
 import dayjs, { type Dayjs } from "dayjs";
 import {
-  fetchDashboardStats, fetchWipTasks, fetchDashboardMessages, fetchCompletedTasks,
-  type DashboardStats, type WipTask, type ProductMessageItem, type CompletedTask,
+  fetchDashboardStats, fetchWipTasks, fetchDashboardMessages, fetchCompletedTasks, fetchRejectedTasks,
+  type DashboardStats, type WipTask, type ProductMessageItem, type CompletedTask, type RejectedTask,
 } from "../../services/dashboardApi";
 
 const { RangePicker } = DatePicker;
@@ -188,6 +188,43 @@ function CompletedRow({ t }: { t: CompletedTask }) {
   );
 }
 
+// ─── 被驳回明细项（卡片式） ──────────────────────────────
+function RejectedRow({ t }: { t: RejectedTask }) {
+  const nav = useNavigate();
+  const rejectedTime = t.rejected_at ? dayjs(t.rejected_at).format("YYYY-MM-DD HH:mm") : "";
+  return (
+    <div
+      onClick={() => t.product_sn && nav(`/admin/tasks?sn=${t.product_sn}`)}
+      className="cursor-pointer rounded-lg border border-gray-100 bg-white px-4 py-3 transition-shadow hover:border-red-200 hover:shadow-md"
+    >
+      <div className="flex items-center gap-2">
+        <AlertTriangle className="h-4 w-4 shrink-0 text-red-500" />
+        <span className="text-sm font-semibold text-gray-800 truncate">{t.task_name}</span>
+        <span className="text-xs text-gray-500">|</span>
+        <span className="shrink-0 rounded-full bg-red-50 px-2 py-0.5 text-[10px] font-bold text-red-600">已驳回</span>
+        <span className="text-xs text-gray-500 shrink-0">驳回人: {t.rejected_by}</span>
+        <span className="ml-auto shrink-0 text-xs text-gray-400">{rejectedTime}</span>
+      </div>
+      <div className="mt-1.5 flex items-center gap-1.5 text-[11px] text-gray-400">
+        <span className="inline-flex items-center gap-1 rounded bg-orange-50 px-1.5 py-0.5 font-medium text-orange-600">
+          🔁 返工给: {t.rework_assignee}
+        </span>
+        <span className="text-gray-300">|</span>
+        <span className="truncate text-red-500/80" title={t.reject_reason || ""}>原因: {t.reject_reason || "—"}</span>
+      </div>
+      <div className="mt-1.5 flex items-center gap-1.5 text-[11px] text-gray-400">
+        <span className="font-medium text-gray-500">{t.material_name || "未知设备"}</span>
+        <span className="text-gray-300">|</span>
+        <span>{t.spec_model || "无规格"}</span>
+        <span className="text-gray-300">|</span>
+        <span>序列号: {t.external_serial || "未录入"}</span>
+        <span className="text-gray-300">|</span>
+        <span className="font-mono text-gray-300">身份证: {t.product_sn}</span>
+      </div>
+    </div>
+  );
+}
+
 // ─── 主组件 ───────────────────────────────────────────────
 export default function AdminDashboard() {
   const [stats, setStats] = useState<DashboardStats | null>(null);
@@ -211,6 +248,11 @@ export default function AdminDashboard() {
   const [completedTasks, setCompletedTasks] = useState<CompletedTask[]>([]);
   const [completedLoading, setCompletedLoading] = useState(false);
 
+  // 驳回/返工明细抽屉
+  const [rejectedDrawerOpen, setRejectedDrawerOpen] = useState(false);
+  const [rejectedTasks, setRejectedTasks] = useState<RejectedTask[]>([]);
+  const [rejectedLoading, setRejectedLoading] = useState(false);
+
   const navigate = useNavigate();
 
   // ── 加载主数据 ──
@@ -255,6 +297,16 @@ export default function AdminDashboard() {
       .finally(() => setCompletedLoading(false));
   };
 
+  const openRejectedDrawer = () => {
+    setRejectedDrawerOpen(true);
+    setRejectedLoading(true);
+    const { since, until } = rangeToParams(dateKey, customRange);
+    fetchRejectedTasks(since, until)
+      .then(setRejectedTasks)
+      .catch(() => setRejectedTasks([]))
+      .finally(() => setRejectedLoading(false));
+  };
+
   const onMsgSearch = (value: string) => {
     setMsgKeyword(value);
     loadMessages(value);
@@ -358,10 +410,16 @@ export default function AdminDashboard() {
             <h3 className="text-sm font-semibold text-gray-700">⚠️ 品质与协同</h3>
           </div>
           <div className="grid grid-cols-2 gap-3">
-            <div className="rounded-lg bg-red-50 p-3 text-center">
+            {/* 驳回/返工 — 可点击打开明细抽屉 */}
+            <button
+              onClick={openRejectedDrawer}
+              className="rounded-lg bg-red-50 p-3 text-center border-0 cursor-pointer transition-colors hover:bg-red-100"
+            >
               <p className="text-xl font-bold text-red-600">{stats.tasks_rejected + stats.tasks_rework}</p>
-              <p className="text-[11px] text-red-500">驳回/返工</p>
-            </div>
+              <p className="flex items-center justify-center gap-1 text-[11px] text-red-500">
+                <AlertTriangle className="h-3 w-3" />驳回/返工 ↗
+              </p>
+            </button>
             {/* 留言 — 可点击打开抽屉 */}
             <button
               onClick={openMsgDrawer}
@@ -527,6 +585,29 @@ export default function AdminDashboard() {
           </div>
         )}
       </Drawer>
+
+      {/* ═══ 驳回/返工明细抽屉 ═══ */}
+      <Drawer
+        title={<span className="text-base font-bold">🔴 驳回/返工明细 <span className="font-normal text-gray-400">被驳回 {rejectedTasks.length} 条</span></span>}
+        open={rejectedDrawerOpen}
+        onClose={() => setRejectedDrawerOpen(false)}
+        size="large"
+        styles={{ body: { padding: 16, background: "#f8fafc" } }}
+      >
+        {rejectedLoading ? (
+          <div className="flex items-center justify-center py-20">
+            <Loader2 className="h-6 w-6 animate-spin text-red-500" />
+          </div>
+        ) : rejectedTasks.length === 0 ? (
+          <div className="py-16 text-center text-sm text-gray-400">
+            该时段暂无驳回记录
+          </div>
+        ) : (
+          <div>
+            {rejectedTasks.map(t => <RejectedRow key={t.task_id} t={t} />)}
+          </div>
+        )}
+      </Drawer>
     </div>
   );
 }

frontend/src/services/dashboardApi.ts

@@ -39,6 +39,19 @@ export interface CompletedTask {
   completed_at: string;
 }
 
+export interface RejectedTask {
+  task_id: string;
+  task_name: string;
+  product_sn: string;
+  external_serial: string | null;
+  material_name: string;
+  spec_model: string;
+  rejected_by: string;
+  rework_assignee: string;
+  reject_reason: string | null;
+  rejected_at: string;
+}
+
 export interface PersonDevice {
   product_id: string;
   serial_number: string;
@@ -119,6 +132,14 @@ export async function fetchCompletedTasks(since?: string, until?: string): Promi
   return data;
 }
 
+export async function fetchRejectedTasks(since?: string, until?: string): Promise<RejectedTask[]> {
+  const params: Record<string, string> = {};
+  if (since) params.since = since;
+  if (until) params.until = until;
+  const { data } = await api.get<RejectedTask[]>("/dashboard/rejected-tasks", { params });
+  return data;
+}
+
 export async function fetchPeopleWorkload(): Promise<PersonWorkload[]> {
   const { data } = await api.get<PersonWorkload[]>("/dashboard/people-workload");
   return data;