feat(全局概览): 人员操作统计改为快捷入口内入口+抽屉弹窗展示

- 位置调整：快捷入口面板内新增「人员操作统计」入口按钮(替代整行区域)
- 点击打开抽屉，展示全部人员操作次数
- 支持人员下拉选择：默认全部，可选某一人查看
- 跟随顶部时间筛选联动

frontend/src/pages/admin/AdminDashboard.tsx

@@ -4,7 +4,7 @@ import {
   RefreshCw, Loader2, AlertCircle, ArrowRight, Clock, MessageCircle, CheckCircle2, Users,
 } from "lucide-react";
 import { useNavigate } from "react-router-dom";
-import { Radio, DatePicker, Drawer, Input } from "antd";
+import { Radio, DatePicker, Drawer, Input, Select } from "antd";
 import dayjs, { type Dayjs } from "dayjs";
 import {
   fetchDashboardStats, fetchWipTasks, fetchDashboardMessages, fetchCompletedTasks, fetchRejectedTasks, fetchUserOperations,
@@ -269,9 +269,11 @@ export default function AdminDashboard() {
   const [rejectedTasks, setRejectedTasks] = useState<RejectedTask[]>([]);
   const [rejectedLoading, setRejectedLoading] = useState(false);
 
-  // 人员操作统计
+  // 人员操作统计（抽屉）
+  const [opsDrawerOpen, setOpsDrawerOpen] = useState(false);
   const [opStats, setOpStats] = useState<UserOperation[]>([]);
   const [opLoading, setOpLoading] = useState(false);
+  const [opFilterUser, setOpFilterUser] = useState<string>(""); // 人员选择，'' = 全部
 
   const navigate = useNavigate();
 
@@ -327,7 +329,7 @@ export default function AdminDashboard() {
       .finally(() => setRejectedLoading(false));
   };
 
-  // 人员操作统计 — 跟随顶部时间筛选
+  // 人员操作统计 — 跟随顶部时间筛选（打开抽屉时加载）
   const loadUserOperations = useCallback(() => {
     setOpLoading(true);
     const { since, until } = rangeToParams(dateKey, customRange);
@@ -337,7 +339,11 @@ export default function AdminDashboard() {
       .finally(() => setOpLoading(false));
   }, [dateKey, customRange]);
 
-  useEffect(() => { loadUserOperations(); }, [loadUserOperations]);
+  const openOpsDrawer = () => {
+    setOpsDrawerOpen(true);
+    setOpFilterUser("");
+    loadUserOperations();
+  };
 
   const onMsgSearch = (value: string) => {
     setMsgKeyword(value);
@@ -540,54 +546,15 @@ export default function AdminDashboard() {
               className="flex w-full items-center justify-between rounded-lg bg-purple-50 px-4 py-3 text-left text-sm font-medium text-purple-700 hover:bg-purple-100 transition-colors">
               <span>💬 协同留言</span><ArrowRight className="h-4 w-4" />
             </button>
+            {/* 👥 人员操作统计入口 */}
+            <button onClick={openOpsDrawer}
+              className="flex w-full items-center justify-between rounded-lg bg-indigo-50 px-4 py-3 text-left text-sm font-medium text-indigo-700 hover:bg-indigo-100 transition-colors">
+              <span className="flex items-center gap-1.5"><Users className="h-4 w-4" />人员操作统计</span><ArrowRight className="h-4 w-4" />
+            </button>
           </div>
         </div>
       </div>
 
-      {/* ═══ 人员操作统计 ═══ */}
-      <div className="rounded-xl bg-white p-5 shadow-sm">
-        <div className="mb-3 flex items-center justify-between">
-          <h3 className="flex items-center gap-2 text-sm font-semibold text-gray-700">
-            <Users className="h-4 w-4 text-blue-500" /> 👥 人员操作统计
-          </h3>
-          <span className="text-[11px] text-gray-400">接收 / 转交 / 上传备注 · 跟随时间筛选</span>
-        </div>
-        {opLoading ? (
-          <div className="flex items-center justify-center py-12">
-            <Loader2 className="h-6 w-6 animate-spin text-blue-500" />
-          </div>
-        ) : opStats.length === 0 ? (
-          <div className="py-12 text-center text-sm text-gray-400">该时段暂无操作记录</div>
-        ) : (
-          <div className="overflow-x-auto">
-            <table className="w-full text-left text-sm">
-              <thead>
-                <tr className="border-b border-gray-100 text-xs text-gray-400">
-                  <th className="py-2 pr-3 font-medium">#</th>
-                  <th className="py-2 pr-3 font-medium">人员</th>
-                  <th className="py-2 pr-3 text-right font-medium">接收</th>
-                  <th className="py-2 pr-3 text-right font-medium">转交</th>
-                  <th className="py-2 pr-3 text-right font-medium">上传备注</th>
-                  <th className="py-2 text-right font-medium">总次数</th>
-                </tr>
-              </thead>
-              <tbody>
-                {opStats.map((u, idx) => (
-                  <tr key={u.user_id} className="border-b border-gray-50 last:border-0 hover:bg-gray-50/50">
-                    <td className="py-2 pr-3 text-xs text-gray-400">{idx + 1}</td>
-                    <td className="py-2 pr-3 font-medium text-gray-800">{u.user_name}</td>
-                    <td className="py-2 pr-3 text-right text-gray-600">{u.receive_count}</td>
-                    <td className="py-2 pr-3 text-right text-gray-600">{u.transfer_count}</td>
-                    <td className="py-2 pr-3 text-right text-gray-600">{u.record_count}</td>
-                    <td className="py-2 text-right font-bold text-blue-600">{u.total}</td>
-                  </tr>
-                ))}
-              </tbody>
-            </table>
-          </div>
-        )}
-      </div>
-
       {/* ═══ 留言抽屉 ═══ */}
       <Drawer
         title={<span className="text-base font-bold">💬 协同留言板 <span className="font-normal text-gray-400">全厂 · {msgTotal} 条</span></span>}
@@ -707,6 +674,65 @@ export default function AdminDashboard() {
           </div>
         )}
       </Drawer>
+
+      {/* ═══ 人员操作统计抽屉 ═══ */}
+      <Drawer
+        title={<span className="text-base font-bold">👥 人员操作统计 <span className="font-normal text-gray-400">{opStats.length} 人</span></span>}
+        open={opsDrawerOpen}
+        onClose={() => setOpsDrawerOpen(false)}
+        size="large"
+        styles={{ body: { padding: 16, background: "#f8fafc" } }}
+      >
+        {/* 人员选择 */}
+        <div className="mb-4 flex items-center gap-2">
+          <Select
+            style={{ width: 200 }}
+            placeholder="选择人员（默认全部）"
+            value={opFilterUser || undefined}
+            onChange={setOpFilterUser}
+            allowClear
+            options={opStats.map(u => ({ value: u.user_id, label: u.user_name }))}
+            showSearch
+            optionFilterProp="label"
+          />
+          <span className="text-xs text-gray-400">接收 / 转交 / 上传备注 · 跟随时间筛选</span>
+        </div>
+
+        {opLoading ? (
+          <div className="flex items-center justify-center py-20">
+            <Loader2 className="h-6 w-6 animate-spin text-blue-500" />
+          </div>
+        ) : opStats.length === 0 ? (
+          <div className="py-16 text-center text-sm text-gray-400">该时段暂无操作记录</div>
+        ) : (
+          <div className="overflow-x-auto">
+            <table className="w-full text-left text-sm">
+              <thead>
+                <tr className="border-b border-gray-100 text-xs text-gray-400">
+                  <th className="py-2 pr-3 font-medium">#</th>
+                  <th className="py-2 pr-3 font-medium">人员</th>
+                  <th className="py-2 pr-3 text-right font-medium">接收</th>
+                  <th className="py-2 pr-3 text-right font-medium">转交</th>
+                  <th className="py-2 pr-3 text-right font-medium">上传备注</th>
+                  <th className="py-2 text-right font-medium">总次数</th>
+                </tr>
+              </thead>
+              <tbody>
+                {(opFilterUser ? opStats.filter(u => u.user_id === opFilterUser) : opStats).map((u, idx) => (
+                  <tr key={u.user_id} className="border-b border-gray-50 last:border-0 hover:bg-gray-50/50">
+                    <td className="py-2 pr-3 text-xs text-gray-400">{idx + 1}</td>
+                    <td className="py-2 pr-3 font-medium text-gray-800">{u.user_name}</td>
+                    <td className="py-2 pr-3 text-right text-gray-600">{u.receive_count}</td>
+                    <td className="py-2 pr-3 text-right text-gray-600">{u.transfer_count}</td>
+                    <td className="py-2 pr-3 text-right text-gray-600">{u.record_count}</td>
+                    <td className="py-2 text-right font-bold text-blue-600">{u.total}</td>
+                  </tr>
+                ))}
+              </tbody>
+            </table>
+          </div>
+        )}
+      </Drawer>
     </div>
   );
 }