feat: 月度模式全面参数化 - 移除硬编码日期，前后端按月动态查询

client/src/pages/RegionalPage.tsx

@@ -7,6 +7,7 @@ import { MetricCard } from '@/components/MetricCard'
 import { Pagination } from '@/components/Pagination'
 import { formatCurrency, formatPercent, riskColor } from '@/lib/utils'
 import { LoadingSpinner } from '@/components/LoadingSpinner'
+import { MonthPicker } from '@/components/MonthPicker'
 import { LineChart, Line, ResponsiveContainer, XAxis, YAxis, Tooltip } from 'recharts'
 import { useState, useMemo } from 'react'
 
@@ -16,6 +17,7 @@ export function RegionalPage() {
   const navigate = useNavigate()
   const queryClient = useQueryClient()
   const [riskFilter, setRiskFilter] = useState('')
+  const [month, setMonth] = useState('2026-05')
   const [riskPage, setRiskPage] = useState(1)
   const [checkPage, setCheckPage] = useState(1)
   const [benchPage, setBenchPage] = useState(1)
@@ -29,7 +31,7 @@ export function RegionalPage() {
 
   const { data: weeklyData, isLoading: weeklyLoading } = useQuery({
     queryKey: ['tasks/weekly-check'],
-    queryFn: () => api.get('/tasks/weekly-check', { params: { month: '2026-05' } }),
+    queryFn: () => api.get('/tasks/weekly-check', { params: { month } }),
   })
 
   const { data: priorityData, isLoading: priorityLoading } = useQuery({
@@ -77,7 +79,10 @@ export function RegionalPage() {
 
   return (
     <div className="space-y-4">
-      <h1 className="text-xl font-bold">区域经理工作台</h1>
+      <div className="flex items-center justify-between">
+        <h1 className="text-xl font-bold">区域经理工作台</h1>
+        <MonthPicker month={month} onChange={setMonth} />
+      </div>
 
       {/* 汇总卡片 */}
       <div className="grid grid-cols-2 gap-3 md:grid-cols-4">