feat: 客户多选筛选、统计报表里程与监控看板数据一致

- 资产管理按客户筛选改为多选（支持同时选多个客户）
- 新增 MultiSearchSelect 组件（搜索+标签+复选框）
- 统计报表 todayTotal 改用监控缓存数据，与里程看板一致

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

src/modules/assets/AssetsModule.tsx

@@ -33,6 +33,7 @@ import type { SummaryData, TypeSummary, VehicleListItem, DeptGroup, RegionGroup,
 import { fetchSummary, fetchByType, fetchVehicleList, fetchWeeklyDetail, fetchDeptStats, fetchRegionStats, fetchCustomerStats, fetchInventoryStats, fetchRegionChart } from './api';
 import type { WeeklyDetailItem } from './api';
 import { SearchSelect } from '../../components/SearchSelect';
+import { MultiSearchSelect } from '../../components/MultiSearchSelect';
 
 
 // --- Constants ---
@@ -105,9 +106,9 @@ export default function AssetsModule() {
 
   // Customer section state
   const [expandedCustomers, setExpandedCustomers] = useState<Set<string>>(new Set());
-  const [customerFilters, setCustomerFilters] = useState({ customer: '', brand: '', department: '', manager: '', region: '' });
+  const [customerFilters, setCustomerFilters] = useState({ customer: [] as string[], brand: '', department: '', manager: '', region: '' });
   const [isCustomerFilterOpen, setIsCustomerFilterOpen] = useState(false);
-  const [draftCustomerFilters, setDraftCustomerFilters] = useState({ customer: '', brand: '', department: '', manager: '', region: '' });
+  const [draftCustomerFilters, setDraftCustomerFilters] = useState({ customer: [] as string[], brand: '', department: '', manager: '', region: '' });
 
   // Inventory statistics section state
   const [inventoryData, setInventoryData] = useState<RegionalInventoryStats[]>([]);
@@ -371,7 +372,7 @@ export default function AssetsModule() {
 
   // Derived data for customer section
   const filteredCustomerStats = useMemo(() => customerData.filter((s) => {
-    const mc = !customerFilters.customer || s.customer === customerFilters.customer;
+    const mc = customerFilters.customer.length === 0 || customerFilters.customer.includes(s.customer);
     const mb = !customerFilters.brand || s.brand === customerFilters.brand;
     const md = !customerFilters.department || s.department === customerFilters.department;
     const mm = !customerFilters.manager || s.manager === customerFilters.manager;
@@ -2148,14 +2149,14 @@ export default function AssetsModule() {
               <button 
                 onClick={() => { if (!isCustomerFilterOpen) setDraftCustomerFilters({...customerFilters}); setIsCustomerFilterOpen(!isCustomerFilterOpen); }}
                 className={`flex items-center gap-1.5 px-3 py-1.5 rounded-lg text-xs font-medium transition-all ${
-                  isCustomerFilterOpen || Object.values(customerFilters).some(v => v !== '')
+                  isCustomerFilterOpen || Object.values(customerFilters).some(v => Array.isArray(v) ? v.length > 0 : v !== '')
                     ? 'bg-emerald-400 text-emerald-900 shadow-lg shadow-emerald-900/20' 
                     : 'bg-emerald-700/50 text-emerald-100 hover:bg-emerald-700'
                 }`}
               >
                 <Filter size={14} />
                 <span>筛选</span>
-                {Object.values(customerFilters).some(v => v !== '') && (
+                {Object.values(customerFilters).some(v => Array.isArray(v) ? v.length > 0 : v !== '') && (
                   <span className="w-2 h-2 bg-red-500 rounded-full animate-pulse"></span>
                 )}
               </button>
@@ -2176,14 +2177,14 @@ export default function AssetsModule() {
                       <div className="flex items-center justify-between mb-4">
                         <h3 className="text-sm font-bold text-gray-900">数据筛选</h3>
                         <div className="flex items-center gap-2">
-                          <button onClick={() => setDraftCustomerFilters({ customer: '', brand: '', department: '', manager: '', region: '' })} className="text-[10px] text-emerald-600 hover:text-emerald-700 font-medium">重置所有</button>
+                          <button onClick={() => setDraftCustomerFilters({ customer: [], brand: '', department: '', manager: '', region: '' })} className="text-[10px] text-emerald-600 hover:text-emerald-700 font-medium">重置所有</button>
                         </div>
                       </div>
 
                       <div className="space-y-4">
                         <div className="space-y-1.5">
                           <label className="text-[10px] font-bold text-gray-400 uppercase tracking-wider">客户名称</label>
-                          <SearchSelect value={draftCustomerFilters.customer} onChange={(v) => setDraftCustomerFilters(prev => ({ ...prev, customer: v }))} options={uniqueCustomerNames} placeholder="所有客户" className="text-xs py-2 px-2" />
+                          <MultiSearchSelect value={draftCustomerFilters.customer} onChange={(v) => setDraftCustomerFilters(prev => ({ ...prev, customer: v }))} options={uniqueCustomerNames} placeholder="所有客户" className="text-xs py-2 px-2" />
                         </div>
 
                         <div className="space-y-1.5">
@@ -2233,12 +2234,12 @@ export default function AssetsModule() {
             </div>
           </div>
 
-          {Object.values(customerFilters).some(v => v !== '') && (
+          {Object.values(customerFilters).some(v => Array.isArray(v) ? v.length > 0 : v !== '') && (
             <div className="px-3 py-2 border-b border-gray-100 flex flex-wrap gap-2 items-center">
-              {customerFilters.customer && (
+              {customerFilters.customer.length > 0 && (
                 <span className="px-2 py-0.5 bg-emerald-50 text-emerald-700 rounded text-[10px] flex items-center gap-1">
-                  客户: {customerFilters.customer}
-                  <button onClick={() => setCustomerFilters(prev => ({...prev, customer: ''}))} className="hover:text-red-500 ml-0.5">×</button>
+                  客户: {customerFilters.customer.join(', ')}
+                  <button onClick={() => setCustomerFilters(prev => ({...prev, customer: []}))} className="hover:text-red-500 ml-0.5">×</button>
                 </span>
               )}
               {customerFilters.manager && (
@@ -2265,7 +2266,7 @@ export default function AssetsModule() {
                   <button onClick={() => setCustomerFilters(prev => ({...prev, region: ''}))} className="hover:text-red-500 ml-0.5">×</button>
                 </span>
               )}
-              <button onClick={() => setCustomerFilters({ customer: '', brand: '', department: '', manager: '', region: '' })} className="text-[11px] text-red-500 font-bold ml-auto hover:text-red-600">清除</button>
+              <button onClick={() => setCustomerFilters({ customer: [], brand: '', department: '', manager: '', region: '' })} className="text-[11px] text-red-500 font-bold ml-auto hover:text-red-600">清除</button>
             </div>
           )}