fix: replace modal with prototype version, extend /list API fields

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

src/server/routes/vehicles.ts

@@ -642,7 +642,7 @@ app.get('/inventory-analysis', async (c) => {
 // GET /api/vehicles/dept-stats — department & manager breakdown
 app.get('/dept-stats', async (c) => {
   const vehicles = await getVehicles();
-  const withManager = vehicles.filter((v) => v.customerManager);
+  const withManager = vehicles.filter((v) => v.customerManager && v.status === 'Operating');
 
   const deptMap = new Map<string, Map<string, Vehicle[]>>();
   for (const v of withManager) {
@@ -805,6 +805,10 @@ app.get('/list', async (c) => {
       contractNo: v.contractNo,
       customerName: v.customerName,
       subjectOrg: v.subjectOrg,
+      departmentName: v.departmentName,
+      customerManager: v.customerManager,
+      brandLabel: v.brandLabel,
+      orgName: v.orgName,
     })),
   );
 });