fix: 库存批次改为车型名称、区域待交车数量始终显示

- 库存统计：移除批次筛选（原显示contractNo），batch字段改为model
- 区域Tab：待交车和库存数量即使为0也显示数字，移除|| ''和if守卫
- 桌面端和移动端的pendingCount/inventory全部始终显示

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

src/App.tsx

@@ -957,13 +957,6 @@ export default function App() {
                               {uniqueInventoryBrands.map(b => <option key={b} value={b}>{b}</option>)}
                             </select>
                           </div>
-                          <div>
-                            <label className="text-[10px] text-slate-400 block mb-1">批次</label>
-                            <select value={inventoryFilters.batch} onChange={(e) => setInventoryFilters({...inventoryFilters, batch: e.target.value})} className="w-full text-xs bg-white border border-slate-200 rounded-lg px-2 py-1.5 focus:outline-none focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 transition-all shadow-sm cursor-pointer">
-                              <option value="">全部批次</option>
-                              {uniqueInventoryBatches.map(b => <option key={b} value={b}>{b}</option>)}
-                            </select>
-                          </div>
                           <div>
                             <label className="text-[10px] text-slate-400 block mb-1">车型名称</label>
                             <div className="relative">
@@ -1911,7 +1904,7 @@ export default function App() {
                           </td>
                           <td className="p-2 text-center font-bold text-slate-600 cursor-pointer hover:underline" onClick={(e) => { e.stopPropagation(); setShowPlateNumbers({ batch: 'All', model: 'All', location: r.region, source: 'region', title: `区域运营统计 - ${r.region}` }); }}>{r.totalAssets}</td>
                           <td className="p-2 text-center text-green-600 font-bold cursor-pointer hover:underline" onClick={(e) => { e.stopPropagation(); setShowPlateNumbers({ batch: 'All', model: 'All', location: r.region, category: 'Operating', source: 'region', title: `区域运营统计 - ${r.region} - 正在运营` }); }}>{r.operatingCount}</td>
-                          <td className="p-2 text-center text-orange-600 font-bold cursor-pointer hover:underline" onClick={(e) => { e.stopPropagation(); if (r.pendingCount) setShowPlateNumbers({ batch: 'All', model: 'All', location: r.region, category: 'Pending', source: 'region', title: `区域运营统计 - ${r.region} - 待交车` }); }}>{r.pendingCount || ''}</td>
+                          <td className="p-2 text-center text-orange-600 font-bold cursor-pointer hover:underline" onClick={(e) => { e.stopPropagation(); setShowPlateNumbers({ batch: 'All', model: 'All', location: r.region, category: 'Pending', source: 'region', title: `区域运营统计 - ${r.region} - 待交车` }); }}>{r.pendingCount}</td>
                           <td className="p-2 text-center text-slate-500 font-medium">{r.customers.slice(0, 2).join(', ')}</td>
                         </tr>
                         {isExpanded && r.cities.map((city) => {
@@ -1930,7 +1923,7 @@ export default function App() {
                                 </td>
                                 <td className="p-2 text-center text-slate-600 font-medium cursor-pointer hover:underline" onClick={(e) => { e.stopPropagation(); setShowPlateNumbers({ batch: 'All', model: 'All', location: city.city, source: 'region', title: `区域运营统计 - ${city.city}` }); }}>{city.totalAssets}</td>
                                 <td className="p-2 text-center text-green-600 cursor-pointer hover:underline" onClick={(e) => { e.stopPropagation(); setShowPlateNumbers({ batch: 'All', model: 'All', location: city.city, category: 'Operating', source: 'region', title: `区域运营统计 - ${city.city} - 正在运营` }); }}>{city.operatingCount}</td>
-                                <td className="p-2 text-center text-orange-600 cursor-pointer hover:underline" onClick={(e) => { e.stopPropagation(); if (city.pendingCount) setShowPlateNumbers({ batch: 'All', model: 'All', location: city.city, category: 'Pending', source: 'region', title: `区域运营统计 - ${city.city} - 待交车` }); }}>{city.pendingCount || ''}</td>
+                                <td className="p-2 text-center text-orange-600 cursor-pointer hover:underline" onClick={(e) => { e.stopPropagation(); setShowPlateNumbers({ batch: 'All', model: 'All', location: city.city, category: 'Pending', source: 'region', title: `区域运营统计 - ${city.city} - 待交车` }); }}>{city.pendingCount}</td>
                                 <td className="p-2 text-center text-slate-400 text-[10px] italic">{city.customers.slice(0, 2).join(', ')}</td>
                               </tr>
                               {isCityExpanded && city.typeBreakdown.map(tb => (
@@ -1941,7 +1934,7 @@ export default function App() {
                                   </td>
                                   <td className="p-2 text-center text-gray-500 cursor-pointer hover:underline" onClick={() => setShowPlateNumbers({ batch: 'All', model: 'All', location: city.city, vehicleType: tb.type, source: 'region', title: `区域运营统计 - ${city.city} - ${tb.type}` })}>{tb.total}</td>
                                   <td className="p-2 text-center text-green-500 cursor-pointer hover:underline" onClick={() => setShowPlateNumbers({ batch: 'All', model: 'All', location: city.city, vehicleType: tb.type, category: 'Operating', source: 'region', title: `区域运营统计 - ${city.city} - ${tb.type} - 正在运营` })}>{tb.operating}</td>
-                                  <td className="p-2 text-center text-orange-500 cursor-pointer hover:underline" onClick={() => { if (tb.inventory) setShowPlateNumbers({ batch: 'All', model: 'All', location: city.city, vehicleType: tb.type, category: 'Inventory', source: 'region', title: `区域运营统计 - ${city.city} - ${tb.type} - 库存` }); }}>{tb.inventory || ''}</td>
+                                  <td className="p-2 text-center text-orange-500 cursor-pointer hover:underline" onClick={() => { setShowPlateNumbers({ batch: 'All', model: 'All', location: city.city, vehicleType: tb.type, category: 'Inventory', source: 'region', title: `区域运营统计 - ${city.city} - ${tb.type} - 库存` }); }}>{tb.inventory}</td>
                                   <td className="p-2 text-center text-gray-400 text-[10px] italic">{tb.customers.slice(0, 2).join(', ')}</td>
                                 </tr>
                               ))}
@@ -1987,7 +1980,7 @@ export default function App() {
                             onClick={() => setShowPlateNumbers({ batch: 'All', model: 'All', location: r.region, category: 'Pending', source: 'region', title: `区域运营统计 - ${r.region} - 待交车` })}
                           >
                             <div className="text-[9px] text-gray-400 uppercase">待交车</div>
-                            <div className="text-xs font-bold text-orange-600">{r.pendingCount || ''}</div>
+                            <div className="text-xs font-bold text-orange-600">{r.pendingCount}</div>
                           </div>
                         </div>
                         <div className="px-2 pb-2 space-y-1">
@@ -2005,7 +1998,7 @@ export default function App() {
                                   className="font-bold text-orange-600 cursor-pointer"
                                   onClick={() => setShowPlateNumbers({ batch: 'All', model: 'All', location: r.region, vehicleType: tb.type, category: 'Inventory', source: 'region', title: `区域运营统计 - ${r.region} - ${tb.type} - 库存` })}
                                 >
-                                  待:{tb.inventory || ''}
+                                  待:{tb.inventory}
                                 </span>
                               </div>
                             </div>

src/server/routes/vehicles.ts

@@ -970,15 +970,14 @@ app.get('/inventory-stats', async (c) => {
     const city = resolveCity(v.city, v.province);
     const brand = v.brandLabel || '未知';
     const model = v.model;
-    const batch = v.contractNo || 'N/A';
+    const key = `${region}|${city}|${brand}|${typeName}|${model}`;
-    const key = `${region}|${city}|${brand}|${typeName}|${model}|${batch}`;
     groups.set(key, (groups.get(key) || 0) + 1);
   }
 
   const result = Array.from(groups.entries())
     .map(([key, quantity]) => {
-      const [region, city, brand, type, model, batch] = key.split('|');
+      const [region, city, brand, type, model] = key.split('|');
-      return { region, city, brand, type, model, batch, quantity };
+      return { region, city, brand, type, model, batch: model, quantity };
     })
     .sort((a, b) => b.quantity - a.quantity);