feat: 店长工作台新增人力排班Tab及概览折叠功能

- 后端新增 /api/stores/:code/staffing 路由，返回人工成本概览、按星期/餐段排班建议、日营收明细、综合诊断
- 前端 StorePage 新增 staffing Tab，展示 MetricCard 概览、优化建议、排班图表、诊断算法说明
- 修复公司均值人工率被异常门店污染问题（过滤 wage_rate_pct > 100）
- 诊断逻辑改为与公司均值动态比较，建议人工率改为动态计算
- 增强任务反馈表单（执行证据、未完成原因、下一步计划）
- 点击非概览Tab时自动折叠上方概况区域

client/src/pages/StorePage.tsx

@@ -22,7 +22,7 @@ const SCORE_DIMENSIONS = [
   { key: 'score_bill', label: '客单价', max: 5 },
 ]
 
-type DetailTab = 'overview' | 'meal' | 'category' | 'cost' | 'member' | 'anomaly' | 'tasks'
+type DetailTab = 'overview' | 'meal' | 'category' | 'cost' | 'member' | 'anomaly' | 'staffing'
 
 const TABS: { key: DetailTab; label: string }[] = [
   { key: 'overview', label: '概览' },
@@ -31,12 +31,15 @@ const TABS: { key: DetailTab; label: string }[] = [
   { key: 'cost', label: '成本分析' },
   { key: 'member', label: '会员分析' },
   { key: 'anomaly', label: '异常账单' },
+  { key: 'staffing', label: '人力排班' },
 ]
 
 export function StorePage() {
   const queryClient = useQueryClient()
   const [executeText, setExecuteText] = useState('')
   const [activeTaskId, setActiveTaskId] = useState<number | null>(null)
+  const [incompleteReason, setIncompleteReason] = useState('')
+  const [nextStep, setNextStep] = useState('')
   const userStoreCode = (() => {
     try {
       const u = JSON.parse(localStorage.getItem('user') || '{}')
@@ -46,6 +49,7 @@ export function StorePage() {
   const [storeCode, setStoreCode] = useState(userStoreCode || '1111')
   const [month, setMonth] = useState('2026-04')
   const [detailTab, setDetailTab] = useState<DetailTab>('overview')
+  const [overviewOpen, setOverviewOpen] = useState(true)
 
   const { data: storesData, isLoading: storesLoading } = useQuery({
     queryKey: ['stores-list', month],
@@ -129,6 +133,12 @@ export function StorePage() {
     enabled: detailTab === 'anomaly',
   })
 
+  const { data: staffingData } = useQuery({
+    queryKey: ['store', storeCode, 'staffing', month],
+    queryFn: () => api.get(`/stores/${storeCode}/staffing`, { params: { month } }),
+    enabled: detailTab === 'staffing',
+  })
+
   const card = (cardData as any)?.data
   const anomalies = card?.anomalies || []
   const tasks = (tasksData as any)?.data || []
@@ -152,6 +162,7 @@ export function StorePage() {
   const member = (memberData as any)?.data
   const anomalyDetailRows = ((anomalyDetailData as any)?.data) || []
   const anomalyDetailTotal = (anomalyDetailData as any)?.meta?.total || anomalyDetailRows.length
+  const staffing = (staffingData as any)?.data
 
   const sc = sd?.scorecard
   const action = sd?.action
@@ -210,7 +221,7 @@ export function StorePage() {
   const anomalyCount = allAnomalyItems.filter((i: any) => i.is_anomaly).length
 
   const executeMutation = useMutation({
-    mutationFn: ({ id, text }: { id: number; text: string }) => api.put(`/tasks/${id}/execute`, { process_evidence: text }),
+    mutationFn: ({ id, data }: { id: number; data: any }) => api.put(`/tasks/${id}/execute`, data),
     onSuccess: () => {
       queryClient.invalidateQueries({ queryKey: ['store', storeCode, 'tasks'] })
       setExecuteText('')
@@ -246,6 +257,19 @@ export function StorePage() {
         </div>
       </div>
 
+      {/* 概览折叠区 */}
+      <div className="rounded-lg border bg-card">
+        <button className="flex w-full items-center justify-between p-4 text-left" onClick={() => setOverviewOpen(!overviewOpen)}>
+          <div className="flex items-center gap-2">
+            <span className={`text-sm font-bold transition-transform ${overviewOpen ? 'rotate-90' : 'rotate-0'}`}>▶</span>
+            <h2 className="text-sm font-bold">门店概况与经营概览</h2>
+          </div>
+          <span className="text-xs text-muted-foreground">{overviewOpen ? '点击折叠' : '点击展开'}</span>
+        </button>
+      </div>
+
+      {overviewOpen && (<>
+
       {/* 门店概况 */}
       <div className="grid gap-3 md:grid-cols-4">
         <div className="rounded-lg border bg-card p-4">
@@ -466,24 +490,45 @@ export function StorePage() {
               <p className="mt-1 text-xs text-muted-foreground">截止日: {t.deadline?.substring(0, 10)}</p>
 
               {activeTaskId === t.task_id ? (
-                <div className="mt-2">
+                <div className="mt-2 space-y-2">
-                  <textarea
+                  <div>
-                    value={executeText}
+                    <label className="text-xs font-medium text-muted-foreground">执行过程与证据 *</label>
-                    onChange={(e) => setExecuteText(e.target.value)}
+                    <textarea
-                    placeholder="填写执行结果和过程证据..."
+                      value={executeText}
-                    className="mb-2 w-full rounded-md border p-2 text-xs"
+                      onChange={(e) => setExecuteText(e.target.value)}
-                    rows={2}
+                      placeholder="填写执行结果、过程证据、数据截图说明等..."
-                  />
+                      className="mt-1 w-full rounded-md border p-2 text-xs"
+                      rows={3}
+                    />
+                  </div>
+                  <div>
+                    <label className="text-xs font-medium text-muted-foreground">未完成原因（选填）</label>
+                    <input
+                      value={incompleteReason}
+                      onChange={(e) => setIncompleteReason(e.target.value)}
+                      placeholder="如遇阻碍请说明原因"
+                      className="mt-1 w-full rounded-md border p-2 text-xs"
+                    />
+                  </div>
+                  <div>
+                    <label className="text-xs font-medium text-muted-foreground">下一步计划（选填）</label>
+                    <input
+                      value={nextStep}
+                      onChange={(e) => setNextStep(e.target.value)}
+                      placeholder="后续改进或跟进计划"
+                      className="mt-1 w-full rounded-md border p-2 text-xs"
+                    />
+                  </div>
                   <div className="flex gap-2">
                     <button
-                      onClick={() => executeMutation.mutate({ id: t.task_id, text: executeText })}
+                      onClick={() => executeMutation.mutate({ id: t.task_id, data: { process_evidence: executeText, incomplete_reason: incompleteReason, next_step: nextStep } })}
                       disabled={!executeText || executeMutation.isPending}
                       className="rounded-md bg-primary px-3 py-1 text-xs text-primary-foreground disabled:opacity-50"
                     >
                       {executeMutation.isPending ? '提交中...' : '提交反馈'}
                     </button>
                     <button
-                      onClick={() => { setActiveTaskId(null); setExecuteText('') }}
+                      onClick={() => { setActiveTaskId(null); setExecuteText(''); setIncompleteReason(''); setNextStep('') }}
                       className="rounded-md border px-3 py-1 text-xs"
                     >
                       取消
@@ -511,24 +556,36 @@ export function StorePage() {
           <h2 className="mb-3 text-sm font-bold">已完成任务 ({doneTasks.length})</h2>
           <div className="space-y-2">
             {doneTasks.map((t: any) => (
-              <div key={t.task_id} className="flex items-center justify-between rounded-md border p-3 opacity-70">
+              <div key={t.task_id} className="rounded-md border p-3 opacity-80">
-                <div className="flex items-center gap-2">
+                <div className="flex items-center justify-between">
-                  <Badge type="priority" text={t.priority} />
+                  <div className="flex items-center gap-2">
-                  <span className="text-sm">{t.problem_indicator}</span>
+                    <Badge type="priority" text={t.priority} />
-                </div>
+                    <span className="text-sm font-medium">{t.problem_indicator}</span>
-                <div className="flex items-center gap-2">
+                  </div>
-                  {t.verification_result && <Badge type="review" text={t.verification_result} />}
+                  <div className="flex items-center gap-2">
-                  <Badge type="status" text={t.status} />
+                    {t.verification_result && <Badge type="review" text={t.verification_result} />}
+                    <Badge type="status" text={t.status} />
+                  </div>
                 </div>
+                {t.process_evidence && (
+                  <p className="mt-1 text-xs text-muted-foreground">执行证据: {t.process_evidence}</p>
+                )}
+                {t.next_step && (
+                  <p className="mt-0.5 text-xs text-muted-foreground">后续计划: {t.next_step}</p>
+                )}
               </div>
             ))}
           </div>
         </div>
       )}
 
+      </>)}
+
       {/* ========== 门店详情区 ========== */}
       {sc && Number(sc.received) > 0 && (
         <>
+          {overviewOpen && (
+            <>
           {/* 核心指标 - 月度汇总 */}
           <div className="grid grid-cols-2 gap-3 md:grid-cols-4 lg:grid-cols-8">
             <MetricCard title="营业收入" value={sc.consumption} format="currency" />
@@ -611,10 +668,12 @@ export function StorePage() {
             </div>
           )}
 
+          </>)}
+
           {/* Tab bar */}
           <div className="flex gap-1 border-b">
             {TABS.map(t => (
-              <button key={t.key} onClick={() => setDetailTab(t.key)} className={`rounded-t-md border-b-2 px-3 py-2 text-sm font-medium transition-colors ${detailTab === t.key ? 'border-primary text-primary' : 'border-transparent text-muted-foreground hover:text-foreground'}`}>
+              <button key={t.key} onClick={() => { setDetailTab(t.key); if (t.key !== 'overview') setOverviewOpen(false); else setOverviewOpen(true) }} className={`rounded-t-md border-b-2 px-3 py-2 text-sm font-medium transition-colors ${detailTab === t.key ? 'border-primary text-primary' : 'border-transparent text-muted-foreground hover:text-foreground'}`}>
                 {t.label}
               </button>
             ))}
@@ -877,6 +936,190 @@ export function StorePage() {
             </div>
           )}
 
+          {/* 人力排班 Tab */}
+          {detailTab === 'staffing' && (
+            <div className="space-y-4">
+              {!staffing ? <p className="text-sm text-muted-foreground">暂无数据</p> : (
+                <>
+                  {/* 人力成本概览 */}
+                  <div className="grid grid-cols-2 gap-3 md:grid-cols-4 lg:grid-cols-6">
+                    <MetricCard title="人工成本" value={staffing.summary.wage_expense} format="currency" />
+                    <MetricCard title="人工成本率" value={staffing.summary.wage_rate_pct} format="percent" />
+                    <MetricCard title="公司均值人工率" value={staffing.summary.avg_wage_rate} format="percent" />
+                    <MetricCard title="人效(元/元人工)" value={staffing.summary.revenue_per_wage} format="number" />
+                    <MetricCard title="每单人工成本" value={staffing.summary.wage_per_bill} format="currency" />
+                    <MetricCard title="公司均值人效" value={staffing.summary.avg_rev_per_wage} format="number" />
+                  </div>
+
+                  {/* 优化建议 */}
+                  {staffing.summary.wage_savings > 0 && (
+                    <div className="rounded-lg border border-blue-200 bg-blue-50/50 p-3">
+                      <div className="flex items-center gap-2">
+                        <span className="text-sm font-bold text-blue-700">人力成本优化空间</span>
+                      </div>
+                      <div className="mt-2 grid grid-cols-3 gap-3 text-sm">
+                        <div>
+                          <p className="text-xs text-muted-foreground">建议人工成本</p>
+                          <p className="font-bold text-blue-600">{formatCurrency(staffing.summary.suggested_wage)}</p>
+                        </div>
+                        <div>
+                          <p className="text-xs text-muted-foreground">可节省金额</p>
+                          <p className="font-bold text-green-600">{formatCurrency(staffing.summary.wage_savings)}</p>
+                        </div>
+                        <div>
+                          <p className="text-xs text-muted-foreground">节省比例</p>
+                          <p className="font-bold text-green-600">{staffing.summary.savings_pct}%</p>
+                        </div>
+                      </div>
+                    </div>
+                  )}
+
+                  {/* 综合诊断 */}
+                  {staffing.diagnosis?.length > 0 && (
+                    <div className="rounded-lg border bg-card p-4">
+                      <h2 className="mb-2 text-sm font-bold">综合诊断与建议</h2>
+                      <ul className="space-y-1.5">
+                        {staffing.diagnosis.map((d: string, i: number) => (
+                          <li key={i} className="flex items-start gap-2 text-sm">
+                            <span className="mt-0.5 text-blue-500">•</span>
+                            <span className="text-foreground">{d}</span>
+                          </li>
+                        ))}
+                      </ul>
+                      <div className="mt-3 border-t pt-3">
+                        <p className="mb-2 text-xs font-bold text-muted-foreground">算法说明</p>
+                        <div className="space-y-2 text-xs text-muted-foreground">
+                          <div>
+                            <span className="font-medium text-foreground">人工成本率判断：</span>
+                            门店人工成本率 = 人工成本 / 实收 × 100。公司均值 = 全部门店人工成本率的平均值（排除超过100%的异常门店）。
+                            判断规则：超过35% 严重偏高；超过公司均值+3% 偏高；否则合理。
+                          </div>
+                          <div>
+                            <span className="font-medium text-foreground">可节省金额测算：</span>
+                            建议人工率 = max(20%, 公司均值 - 3%)。建议人工成本 = 门店实收 × 建议人工率。
+                            可节省金额 = 实际人工成本 - 建议人工成本。节省比例 = 可节省金额 / 实际人工成本 × 100。
+                          </div>
+                          <div>
+                            <span className="font-medium text-foreground">餐段主力判断：</span>
+                            各餐段账单占比 = 该餐段账单数 / 全餐段总账单数 × 100。占比超过40% 为绝对主力，超过20% 次高峰，超过5% 辅助，其余低谷。
+                          </div>
+                          <div>
+                            <span className="font-medium text-foreground">按星期排班等级：</span>
+                            建议排班比 = 该星期日均实收 / 全周日均实收 × 100。超过110% 高峰（满编），低于85% 低谷（减员），其余正常。
+                          </div>
+                        </div>
+                      </div>
+                    </div>
+                  )}
+
+                  {/* 按星期排班分析 */}
+                  <div className="rounded-lg border bg-card p-4">
+                    <h2 className="mb-3 text-sm font-bold">按星期排班分析</h2>
+                    {staffing.weekdays?.length > 0 ? (
+                      <>
+                        <ResponsiveContainer width="100%" height={220}>
+                          <BarChart data={staffing.weekdays}>
+                            <CartesianGrid strokeDasharray="3 3" />
+                            <XAxis dataKey="weekday" tick={{ fontSize: 11 }} />
+                            <YAxis tickFormatter={(v) => v >= 10000 ? `${(v / 10000).toFixed(1)}万` : v} tick={{ fontSize: 10 }} />
+                            <Tooltip formatter={(v: any) => formatCurrency(v)} />
+                            <Legend wrapperStyle={{ fontSize: 11 }} />
+                            <Bar dataKey="avg_received" name="日均实收" fill="#3b82f6" radius={[4, 4, 0, 0]} />
+                            <Bar dataKey="max_received" name="最高实收" fill="#93c5fd" radius={[4, 4, 0, 0]} />
+                          </BarChart>
+                        </ResponsiveContainer>
+                        <div className="mt-3">
+                          <FilterableTable
+                            data={staffing.weekdays}
+                            sortOptions={[
+                              { key: 'avg_received', label: '日均实收' },
+                              { key: 'avg_bills', label: '日均账单' },
+                            ]}
+                            defaultSort="dow"
+                            defaultOrder="asc"
+                            columns={[
+                              { key: 'weekday', label: '星期' },
+                              { key: 'avg_received', label: '日均实收', align: 'right', render: (r: any) => formatCurrency(r.avg_received) },
+                              { key: 'avg_bills', label: '日均账单', align: 'right', render: (r: any) => formatNumber(r.avg_bills) },
+                              { key: 'max_received', label: '最高实收', align: 'right', render: (r: any) => formatCurrency(r.max_received) },
+                              { key: 'min_received', label: '最低实收', align: 'right', render: (r: any) => formatCurrency(r.min_received) },
+                              { key: 'suggested_headcount_ratio', label: '建议排班比', align: 'right', render: (r: any) => `${r.suggested_headcount_ratio}%` },
+                              { key: 'staffing_level', label: '排班等级', render: (r: any) => {
+                                const colors: Record<string, string> = { '高峰': 'text-red-600 font-medium', '低谷': 'text-green-600 font-medium', '正常': '' }
+                                return <span className={colors[r.staffing_level]}>{r.staffing_level}</span>
+                              } },
+                              { key: 'staffing_action', label: '排班建议' },
+                            ]}
+                          />
+                        </div>
+                      </>
+                    ) : <p className="text-sm text-muted-foreground">暂无数据</p>}
+                  </div>
+
+                  {/* 餐段排班分析 */}
+                  <div className="rounded-lg border bg-card p-4">
+                    <h2 className="mb-3 text-sm font-bold">餐段排班分析</h2>
+                    {staffing.meals?.length > 0 ? (
+                      <>
+                        <ResponsiveContainer width="100%" height={200}>
+                          <BarChart data={staffing.meals}>
+                            <CartesianGrid strokeDasharray="3 3" />
+                            <XAxis dataKey="meal_period" tick={{ fontSize: 11 }} />
+                            <YAxis tickFormatter={(v) => v >= 10000 ? `${(v / 10000).toFixed(0)}万` : v} tick={{ fontSize: 10 }} />
+                            <Tooltip formatter={(v: any, n: string) => n === '实收' ? formatCurrency(v) : v} />
+                            <Legend wrapperStyle={{ fontSize: 11 }} />
+                            <Bar dataKey="received" name="实收" fill="#eab308" radius={[4, 4, 0, 0]} />
+                            <Bar dataKey="bill_count" name="账单数" fill="#a855f7" radius={[4, 4, 0, 0]} />
+                          </BarChart>
+                        </ResponsiveContainer>
+                        <div className="mt-3">
+                          <FilterableTable
+                            data={staffing.meals}
+                            sortOptions={[
+                              { key: 'received', label: '实收' },
+                              { key: 'bill_count', label: '账单数' },
+                              { key: 'bill_share_pct', label: '占比' },
+                            ]}
+                            defaultSort="received"
+                            defaultOrder="desc"
+                            columns={[
+                              { key: 'meal_period', label: '餐段' },
+                              { key: 'bill_count', label: '账单数', align: 'right', render: (r: any) => formatNumber(r.bill_count) },
+                              { key: 'received', label: '实收', align: 'right', render: (r: any) => formatCurrency(r.received) },
+                              { key: 'avg_bill', label: '客单价', align: 'right', render: (r: any) => formatCurrency(r.avg_bill) },
+                              { key: 'bill_share_pct', label: '账单占比', align: 'right', render: (r: any) => `${r.bill_share_pct}%` },
+                              { key: 'staffing_level', label: '排班等级', render: (r: any) => {
+                                const colors: Record<string, string> = { '主力时段': 'text-red-600 font-medium', '次高峰': 'text-orange-600 font-medium', '辅助时段': 'text-blue-600', '低谷时段': 'text-green-600 font-medium' }
+                                return <span className={colors[r.staffing_level]}>{r.staffing_level}</span>
+                              } },
+                              { key: 'staffing_action', label: '排班建议' },
+                            ]}
+                          />
+                        </div>
+                      </>
+                    ) : <p className="text-sm text-muted-foreground">暂无数据</p>}
+                  </div>
+
+                  {/* 日营收明细 */}
+                  {staffing.daily?.length > 0 && (
+                    <div className="rounded-lg border bg-card p-4">
+                      <h2 className="mb-3 text-sm font-bold">日营收明细（排班参考）</h2>
+                      <ResponsiveContainer width="100%" height={200}>
+                        <LineChart data={staffing.daily}>
+                          <CartesianGrid strokeDasharray="3 3" />
+                          <XAxis dataKey="business_date" tickFormatter={(v) => v?.substring(5, 10)} tick={{ fontSize: 10 }} />
+                          <YAxis tickFormatter={(v) => v >= 10000 ? `${(v / 10000).toFixed(0)}万` : v} tick={{ fontSize: 10 }} />
+                          <Tooltip labelFormatter={(v) => v?.substring(0, 10)} formatter={(v: any) => formatCurrency(v)} />
+                          <Line type="monotone" dataKey="received" name="实收" stroke="#3b82f6" dot={false} />
+                        </LineChart>
+                      </ResponsiveContainer>
+                    </div>
+                  )}
+                </>
+              )}
+            </div>
+          )}
+
         </>
       )}
     </div>

server/src/routes/data.ts

@@ -730,6 +730,201 @@ router.get('/stores/:code/anomalies', async (req: AuthRequest, res) => {
   } catch (err: any) { sendError(res, err.message) }
 })
 
+// 门店人力排班分析
+router.get('/stores/:code/staffing', async (req: AuthRequest, res) => {
+  try {
+    const code = req.params.code
+    const monthStart = parseMonth(req)
+
+    // 1. 门店人工成本概览
+    const expenseResult = await query(`
+      SELECT
+        sales_store_code, sales_store_name,
+        wage_expense,
+        wage_rate_pct,
+        received,
+        bill_count,
+        area_sqm,
+        round(received / nullif(wage_expense, 0), 2) AS revenue_per_wage,
+        round(wage_expense / nullif(bill_count, 0), 2) AS wage_per_bill
+      FROM analytics.mv_store_operating_expense_monthly
+      WHERE report_month = $1::date AND sales_store_code = $2
+    `, [monthStart, code])
+
+    // 2. 公司均值
+    const avgResult = await query(`
+      SELECT
+        round(avg(wage_expense), 2) AS avg_wage,
+        round(avg(wage_rate_pct), 2) AS avg_wage_rate,
+        round(avg(received), 2) AS avg_received,
+        round(avg(bill_count), 0) AS avg_bills,
+        round(avg(received / nullif(wage_expense, 0)), 2) AS avg_rev_per_wage
+      FROM analytics.mv_store_operating_expense_monthly
+      WHERE report_month = $1::date AND wage_expense > 0 AND wage_rate_pct <= 100
+    `, [monthStart])
+
+    // 3. 按星期分析营收和账单
+    const weekdayResult = await query(`
+      SELECT
+        extract(dow FROM business_date)::int AS dow,
+        CASE extract(dow FROM business_date)
+          WHEN 0 THEN '周日' WHEN 1 THEN '周一' WHEN 2 THEN '周二'
+          WHEN 3 THEN '周三' WHEN 4 THEN '周四' WHEN 5 THEN '周五'
+          WHEN 6 THEN '周六'
+        END AS weekday,
+        count(*) AS days,
+        round(avg(received), 2) AS avg_received,
+        round(avg(bill_count), 0) AS avg_bills,
+        round(max(received), 2) AS max_received,
+        round(min(received), 2) AS min_received,
+        round(sum(received), 2) AS total_received,
+        round(sum(bill_count), 0) AS total_bills
+      FROM analytics.v_store_daily
+      WHERE store_code = $1
+        AND business_date >= $2::date AND business_date < $2::date + interval '1 month'
+      GROUP BY 1, 2
+      ORDER BY 1
+    `, [code, monthStart])
+
+    // 4. 餐段分布
+    const mealResult = await query(`
+      SELECT meal_period, bill_count, received, round(avg_bill, 2) AS avg_bill
+      FROM analytics.v_store_meal_opportunity
+      WHERE store_code = $1
+      ORDER BY received DESC
+    `, [code])
+
+    // 5. 日营收明细（用于排班热力图）
+    const dailyResult = await query(`
+      SELECT
+        business_date,
+        to_char(business_date, 'Dy') AS dow_short,
+        extract(dow FROM business_date)::int AS dow,
+        round(received, 2) AS received,
+        bill_count,
+        round(received / nullif(bill_count, 0), 2) AS avg_bill_value
+      FROM analytics.v_store_daily
+      WHERE store_code = $1
+        AND business_date >= $2::date AND business_date < $2::date + interval '1 month'
+      ORDER BY business_date
+    `, [code, monthStart])
+
+    const store = expenseResult.rows[0] || {}
+    const avg = avgResult.rows[0] || {}
+    const weekdays = weekdayResult.rows
+    const meals = mealResult.rows
+    const daily = dailyResult.rows
+
+    // 6. 计算排班建议
+    const avgWageRate = Number(avg.avg_wage_rate) || 25
+    const storeWageRate = Number(store.wage_rate_pct) || 0
+    const suggestedWageRate = Math.max(20, Math.round((avgWageRate - 3) * 10) / 10)
+    const suggestedWage = Number(store.received || 0) * suggestedWageRate / 100
+    const wageSavings = Number(store.wage_expense || 0) - suggestedWage
+    const savingsPct = Number(store.wage_expense) > 0
+      ? Math.round((wageSavings / Number(store.wage_expense)) * 100 * 10) / 10
+      : 0
+
+    // 按星期分布生成排班建议
+    const maxDayRev = Math.max(...weekdays.map((w: any) => Number(w.avg_received)))
+    const minDayRev = Math.min(...weekdays.map((w: any) => Number(w.avg_received)))
+    const avgDayRev = weekdays.reduce((s: number, w: any) => s + Number(w.avg_received), 0) / (weekdays.length || 1)
+
+    const staffingSuggestions = weekdays.map((w: any) => {
+      const ratio = Number(w.avg_received) / avgDayRev
+      let level: string, action: string
+      if (ratio > 1.1) {
+        level = '高峰'
+        action = '建议满编排班，确保出餐效率'
+      } else if (ratio < 0.85) {
+        level = '低谷'
+        action = '建议减少1-2人排班，控制人力成本'
+      } else {
+        level = '正常'
+        action = '建议标准排班'
+      }
+      return {
+        ...w,
+        staffing_level: level,
+        staffing_action: action,
+        suggested_headcount_ratio: Math.round(ratio * 100),
+      }
+    })
+
+    // 餐段排班建议
+    const totalMealBills = meals.reduce((s: number, m: any) => s + Number(m.bill_count), 0)
+    const mealSuggestions = meals.map((m: any) => {
+      const share = totalMealBills > 0 ? Number(m.bill_count) / totalMealBills : 0
+      let level: string, action: string
+      if (share > 0.4) {
+        level = '主力时段'
+        action = '建议安排全量人员，前厅后厨满编'
+      } else if (share > 0.2) {
+        level = '次高峰'
+        action = '建议安排80%人员，保证出餐速度'
+      } else if (share > 0.05) {
+        level = '辅助时段'
+        action = '建议安排50%人员，控制人力投入'
+      } else {
+        level = '低谷时段'
+        action = '建议安排值班人员即可，可安排备料和清洁'
+      }
+      return {
+        ...m,
+        bill_share_pct: Math.round(share * 1000) / 10,
+        staffing_level: level,
+        staffing_action: action,
+      }
+    })
+
+    // 综合诊断
+    const diagnosis: string[] = []
+    if (storeWageRate > 35) {
+      diagnosis.push(`人工成本率 ${storeWageRate}% 严重偏高，公司均值 ${avgWageRate}%，需立即优化排班`)
+    } else if (storeWageRate > avgWageRate + 3) {
+      diagnosis.push(`人工成本率 ${storeWageRate}% 高于公司均值 ${avgWageRate}%，建议优化排班结构`)
+    } else if (storeWageRate > 0) {
+      diagnosis.push(`人工成本率 ${storeWageRate}% 在合理范围内，公司均值 ${avgWageRate}%`)
+    }
+
+    if (maxDayRev > 0 && minDayRev > 0 && maxDayRev / minDayRev > 1.5) {
+      const fmt = (v: number) => `¥${Math.round(v).toLocaleString()}`
+      diagnosis.push(`日营收波动大（最高 ${fmt(maxDayRev)} vs 最低 ${fmt(minDayRev)}），建议差异化排班`)
+    }
+
+    if (wageSavings > 0) {
+      const fmt = (v: number) => `¥${Math.round(v).toLocaleString()}`
+      diagnosis.push(`按建议人工率 ${suggestedWageRate}% 测算，可节省人工成本 ${fmt(wageSavings)}（${savingsPct}%）`)
+    }
+
+    const peakMeal = mealSuggestions[0]
+    if (peakMeal && peakMeal.bill_share_pct > 40) {
+      diagnosis.push(`${peakMeal.meal_period}为绝对主力（占 ${peakMeal.bill_share_pct}%），建议集中人力保障`)
+    }
+
+    sendSuccess(res, {
+      store,
+      company_avg: avg,
+      weekdays: staffingSuggestions,
+      meals: mealSuggestions,
+      daily,
+      summary: {
+        wage_expense: store.wage_expense,
+        wage_rate_pct: store.wage_rate_pct,
+        received: store.received,
+        suggested_wage: Math.round(suggestedWage * 100) / 100,
+        wage_savings: Math.round(wageSavings * 100) / 100,
+        savings_pct: savingsPct,
+        revenue_per_wage: store.revenue_per_wage,
+        wage_per_bill: store.wage_per_bill,
+        avg_wage_rate: avg.avg_wage_rate,
+        avg_rev_per_wage: avg.avg_rev_per_wage,
+      },
+      diagnosis,
+    })
+  } catch (err: any) { sendError(res, err.message) }
+})
+
 // 区域汇总
 router.get('/region/summary', async (req: AuthRequest, res) => {
   try {