fix: KPI统计跟随筛选条件变化+客户筛选修正+部门排序

- KPI统计（总里程/平均单车/监控台数）改为基于筛选后数据计算
- 移除不需要的 onlineCount 字段
- 快捷筛选"按客户"和全屏表格"客户"列改为真正的客户筛选
- 删除混乱的 projects 变量映射
- 部门列表按 一部→二部→三部 顺序排序

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/modules/mileage/MonitoringView.tsx

@@ -106,7 +106,7 @@ export default function MonitoringView() {
   const [appliedMileageRange, setAppliedMileageRange] = useState({ min: '', max: '' });
 
   const [vehicles, setVehicles] = useState<MonitoringVehicle[]>([]);
-  const [stats, setStats] = useState<MonitoringStats>({ totalToday: 0, totalAll: 0, onlineCount: 0, vehicleCount: 0 });
+  const [stats, setStats] = useState<MonitoringStats>({ totalToday: 0, totalAll: 0, vehicleCount: 0 });
   const [filterOptions, setFilterOptions] = useState<MonitoringFilters>({ departments: [], customers: [], plates: [], projects: [], entities: [] });
   const [total, setTotal] = useState(0);
   const [page, setPage] = useState(1);
@@ -119,7 +119,6 @@ export default function MonitoringView() {
 
   const departments = filterOptions.departments;
   const plateNumbers = filterOptions.plates;
-  const projects = filterOptions.customers;
 
   // 加载首页数据
   const loadFirstPage = useCallback(() => {
@@ -327,14 +326,14 @@ export default function MonitoringView() {
                       <th className="p-4 text-[10px] font-bold text-slate-500 uppercase">在线状态</th>
                       <th className="p-4 text-[10px] font-bold text-slate-500 uppercase">
                         <div className="flex flex-col gap-1.5">
-                          <span>客户项目</span>
+                          <span>客户</span>
                           <select
                             className="bg-slate-800 border-none rounded-lg px-2 py-1 text-[9px] text-slate-300 outline-none focus:ring-1 focus:ring-blue-500/30"
-                            value={filterProject}
-                            onChange={(e) => setFilterProject(e.target.value)}
+                            value={filterCustomer}
+                            onChange={(e) => setFilterCustomer(e.target.value)}
                           >
                             <option value="All">全部客户</option>
-                            {projects.map(p => <option key={p} value={p}>{p}</option>)}
+                            {filterOptions.customers.map(p => <option key={p} value={p}>{p}</option>)}
                           </select>
                         </div>
                       </th>

src/modules/mileage/types.ts

@@ -17,7 +17,6 @@ export interface MonitoringVehicle {
 export interface MonitoringStats {
   totalToday: number;
   totalAll: number;
-  onlineCount: number;
   vehicleCount: number;
 }
 

src/server/routes/mileage.ts

@@ -43,7 +43,7 @@ interface CachedVehicle {
 
 interface MonitoringCache {
   vehicles: CachedVehicle[];
-  stats: { totalToday: number; totalAll: number; onlineCount: number; vehicleCount: number };
+  stats: { totalToday: number; totalAll: number; vehicleCount: number };
   filters: { departments: string[]; customers: string[]; plates: string[]; projects: string[]; entities: string[] };
   updatedAt: string;
 }
@@ -113,10 +113,16 @@ async function refreshMonitoringCache() {
     // 预计算统计信息
     const totalToday = vehicles.reduce((sum, v) => sum + v.dailyKm, 0);
     const totalAll = vehicles.reduce((sum, v) => sum + (v.totalKm || 0), 0);
-    const onlineCount = vehicles.filter(v => v.isOnline).length;
+
 
     // 预提取筛选选项
-    const departments = Array.from(new Set(vehicles.map(v => v.department).filter(Boolean))) as string[];
+    const deptOrder = ['一', '二', '三', '四', '五', '六', '七', '八', '九', '十'];
+    const departments = (Array.from(new Set(vehicles.map(v => v.department).filter(Boolean))) as string[])
+      .sort((a, b) => {
+        const ai = deptOrder.findIndex(d => a.includes(d));
+        const bi = deptOrder.findIndex(d => b.includes(d));
+        return (ai === -1 ? 99 : ai) - (bi === -1 ? 99 : bi);
+      });
     const customers = Array.from(new Set(vehicles.map(v => v.customer).filter(Boolean))) as string[];
     const plates = vehicles.map(v => v.plate);
     const projects = Array.from(new Set(vehicles.map(v => v.project).filter(Boolean))) as string[];
@@ -124,7 +130,7 @@ async function refreshMonitoringCache() {
 
     monitoringCache = {
       vehicles,
-      stats: { totalToday, totalAll, onlineCount, vehicleCount: vehicles.length },
+      stats: { totalToday, totalAll, vehicleCount: vehicles.length },
       filters: { departments, customers, plates, projects, entities },
       updatedAt: new Date().toISOString(),
     };
@@ -142,7 +148,7 @@ setInterval(refreshMonitoringCache, 2 * 60 * 1000);
 // GET /monitoring — 从缓存取数据，支持筛选/排序/分页
 app.get('/monitoring', (c) => {
   if (!monitoringCache) {
-    return c.json({ vehicles: [], stats: { totalToday: 0, totalAll: 0, onlineCount: 0, vehicleCount: 0 }, filters: { departments: [], customers: [], plates: [], projects: [], entities: [] }, total: 0, page: 1, totalPages: 1, updatedAt: new Date().toISOString() });
+    return c.json({ vehicles: [], stats: { totalToday: 0, totalAll: 0, vehicleCount: 0 }, filters: { departments: [], customers: [], plates: [], projects: [], entities: [] }, total: 0, page: 1, totalPages: 1, updatedAt: new Date().toISOString() });
   }
 
   const sortBy = c.req.query('sortBy') || 'today';
@@ -179,6 +185,13 @@ app.get('/monitoring', (c) => {
 
   const total = vehicles.length;
 
+  // 基于筛选后的数据计算统计
+  const filteredStats = {
+    totalToday: vehicles.reduce((sum, v) => sum + v.dailyKm, 0),
+    totalAll: vehicles.reduce((sum, v) => sum + (v.totalKm || 0), 0),
+    vehicleCount: vehicles.length,
+  };
+
   // 排序
   vehicles = [...vehicles].sort((a, b) => {
     const valA = sortBy === 'today' ? a.dailyKm : (a.totalKm || 0);
@@ -192,7 +205,7 @@ app.get('/monitoring', (c) => {
 
   return c.json({
     vehicles: paged,
-    stats: monitoringCache.stats,
+    stats: filteredStats,
     filters: monitoringCache.filters,
     total,
     page,