fix(admin): dashboard 待办卡片点击导航去重与防抖

- 同一目标路径不再重复 navigate，避免历史记录堆叠
- 400ms 冷却期内忽略重复/幽灵点击，防止来回跳转
- 新增 shouldNavigateTodoCard 守卫单元测试

apps/admin/src/pages/Dashboard/DashboardTodoCards.integration.test.ts

@@ -0,0 +1,16 @@
+import { describe, expect, it } from 'vitest';
+import { shouldNavigateTodoCard } from './DashboardTodoCards';
+
+describe('DashboardTodoCards 点击导航守卫', () => {
+  it('目标路径与当前路径不同且冷却已过时允许导航', () => {
+    expect(shouldNavigateTodoCard('/dashboard', '/attendance', 1000, 1600)).toBe(true);
+  });
+
+  it('目标路径与当前路径相同时不允许导航', () => {
+    expect(shouldNavigateTodoCard('/attendance', '/attendance', 1000, 1600)).toBe(false);
+  });
+
+  it('冷却期内忽略重复点击，防止产生多条历史记录', () => {
+    expect(shouldNavigateTodoCard('/dashboard', '/attendance', 1000, 1300)).toBe(false);
+  });
+});

apps/admin/src/pages/Dashboard/DashboardTodoCards.tsx

@@ -1,4 +1,4 @@
-import React from 'react';
+import React, { useRef } from 'react';
 import { Card, Col, Row } from 'antd';
 import {
   ArrowRightOutlined,
@@ -6,9 +6,22 @@ import {
   DollarOutlined,
   ExclamationCircleOutlined,
 } from '@ant-design/icons';
-import { useNavigate } from 'react-router';
+import { useLocation, useNavigate } from 'react-router';
 import { MARGIN_BOTTOM_16_STYLE, TODO_CARD_DANGER, TODO_CARD_DRAFT, TODO_CARD_OK, TODO_CARD_WARN } from './Dashboard.types';
 
+/** 冷却期内忽略重复点击，避免快速/幽灵点击压入多条历史记录。 */
+const TODO_CLICK_LOCK_MS = 400;
+
+export function shouldNavigateTodoCard(
+  currentPath: string,
+  targetPath: string,
+  lastNavAt: number,
+  now: number,
+): boolean {
+  if (currentPath === targetPath) return false;
+  return now - lastNavAt >= TODO_CLICK_LOCK_MS;
+}
+
 export const DashboardTodoCards: React.FC<{
   absentCount: number;
   draftCount: number;
@@ -16,6 +29,14 @@ export const DashboardTodoCards: React.FC<{
   pendingDeposits: number;
 }> = ({ absentCount, draftCount, draftTotal, pendingDeposits }) => {
   const navigate = useNavigate();
+  const location = useLocation();
+  const lastNavAtRef = useRef(0);
+  const go = (target: string) => {
+    const now = Date.now();
+    if (!shouldNavigateTodoCard(location.pathname, target, lastNavAtRef.current, now)) return;
+    lastNavAtRef.current = now;
+    navigate(target);
+  };
   return (
     <Card title="待办与异常" style={MARGIN_BOTTOM_16_STYLE}>
       <Row gutter={[16, 16]}>
@@ -23,7 +44,7 @@ export const DashboardTodoCards: React.FC<{
           <Card
             style={absentCount > 0 ? TODO_CARD_WARN : TODO_CARD_OK}
             styles={{ body: { padding: 16 } }}
-            onClick={() => navigate('/attendance')}
+            onClick={() => go('/attendance')}
           >
             <div style={{ display: 'flex', alignItems: 'center', justifyContent: 'space-between' }}>
               <ExclamationCircleOutlined
@@ -55,7 +76,7 @@ export const DashboardTodoCards: React.FC<{
           <Card
             style={draftCount > 0 ? TODO_CARD_DRAFT : TODO_CARD_OK}
             styles={{ body: { padding: 16 } }}
-            onClick={() => navigate('/bills')}
+            onClick={() => go('/bills')}
           >
             <div style={{ display: 'flex', alignItems: 'center', justifyContent: 'space-between' }}>
               <DollarOutlined
@@ -87,7 +108,7 @@ export const DashboardTodoCards: React.FC<{
           <Card
             style={pendingDeposits > 0 ? TODO_CARD_DANGER : TODO_CARD_OK}
             styles={{ body: { padding: 16 } }}
-            onClick={() => navigate('/deposits')}
+            onClick={() => go('/deposits')}
           >
             <div style={{ display: 'flex', alignItems: 'center', justifyContent: 'space-between' }}>
               <BankOutlined