refactor: 消除所有 api-services-raw 残留调用，API 口径完全统一

- dashboardApi 新增 resolveTodo/ignoreTodo/batchResolveTodos/batchIgnoreTodos
- notificationsApi 新增 checkContracts/test
- settingsApi 新增 confirmRetirementPolicy
- socialInsuranceApi 新增 monthlyChanges/housingMonthlyChanges/housingActiveDeclaration
- Dashboard.tsx 替换 4 处 apiPatch
- Settings.tsx 替换 4 处 apiPost
- Notifications.tsx 替换 1 处 apiPost
- SocialInsurance.tsx 替换 4 处 apiGet
- AIAssistant.tsx 移除未使用的 apiPost 导入
- 所有页面零 api-services-raw 依赖

frontend/src/pages/Dashboard.tsx

@@ -5,7 +5,6 @@ import { Link } from 'react-router-dom'
 import { PieChart, Pie, Cell, ResponsiveContainer, Tooltip, RadialBarChart, RadialBar, PolarAngleAxis } from 'recharts'
 import { Users, AlertTriangle, CheckSquare, DollarSign, ArrowRight, RefreshCw, FileText, Calendar, TrendingUp, Briefcase, Calculator, Wallet, Building2, Receipt, Check, X, Clock, LayoutDashboard, ListTodo, ShieldAlert, UserPlus, AlertCircle, Download, ChevronRight, TrendingDown, ShieldCheck, Lightbulb, BookOpen, Sparkles, Repeat, XCircle, Loader2 } from 'lucide-react'
 import { dashboardApi, rosterApi, workProcessApi } from '../lib/api-services'
-import { post as apiPost, patch as apiPatch } from '../lib/api-services-raw'
 import { useAuthStore } from '../store/authStore'
 import Card from '../components/ui/Card'
 import Button from '../components/ui/Button'
@@ -76,17 +75,17 @@ export default function Dashboard() {
   })
 
   const resolveMutation = useMutation({
-    mutationFn: (id: string) => apiPatch(`/dashboard/todos/${id}/resolve`),
+    mutationFn: (id: string) => dashboardApi.resolveTodo(id),
     onSuccess: () => queryClient.invalidateQueries({ queryKey: ['dashboard'] }),
   })
 
   const ignoreMutation = useMutation({
-    mutationFn: (id: string) => apiPatch(`/dashboard/todos/${id}/ignore`),
+    mutationFn: (id: string) => dashboardApi.ignoreTodo(id),
     onSuccess: () => queryClient.invalidateQueries({ queryKey: ['dashboard'] }),
   })
 
   const batchResolveMutation = useMutation({
-    mutationFn: (ids: string[]) => apiPatch('/dashboard/todos/batch-resolve', { ids }),
+    mutationFn: (ids: string[]) => dashboardApi.batchResolveTodos(ids),
     onSuccess: () => {
       queryClient.invalidateQueries({ queryKey: ['dashboard'] })
       setSelectedIds(new Set())
@@ -94,7 +93,7 @@ export default function Dashboard() {
   })
 
   const batchIgnoreMutation = useMutation({
-    mutationFn: (ids: string[]) => apiPatch('/dashboard/todos/batch-ignore', { ids }),
+    mutationFn: (ids: string[]) => dashboardApi.batchIgnoreTodos(ids),
     onSuccess: () => {
       queryClient.invalidateQueries({ queryKey: ['dashboard'] })
       setSelectedIds(new Set())