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

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

src/types.ts

@@ -108,6 +108,10 @@ export interface VehicleListItem {
   contractNo: string | null;
   customerName: string | null;
   subjectOrg: string | null;
+  departmentName: string | null;
+  customerManager: string | null;
+  brandLabel: string | null;
+  orgName: string | null;
 }
 
 export interface ManagerStats {