refactor: replace revenue and geofence pages with new hub management system

src/app/admin/fleet/map/page.tsx

@@ -15,7 +15,9 @@ interface Bike {
   plateNumber: string;
   status: 'available' | 'rented' | 'maintenance' | 'retired';
   batteryLevel: number;
-  location: string;
+  location?: string; // deprecated - use hubId/hubName
+  hubId?: string;
+  hubName?: string;
   assignedTo?: string;
   investorId?: string;
   purchaseDate?: string;
@@ -60,9 +62,10 @@ export default function FleetMapPage() {
   const [searchQuery, setSearchQuery] = useState('');
   const [selectedBike, setSelectedBike] = useState<Bike | null>(null);
 
-  // Generate unique coords for each bike based on its location string
+  // Generate unique coords for each bike based on its hubName or location
   const bikesWithCoords = mockBikes.map((bike, index) => {
-    const base = locations[bike.location] || { lat: 23.79, lng: 90.40 };
+    const loc = bike.hubName || bike.location || 'Unknown';
+    const base = locations[loc] || { lat: 23.79, lng: 90.40 };
     // Add jitter
     return {
       ...bike,