Very minimal MVP

backend/src/features/vehicles/api/vehicles.controller.ts

@@ -161,4 +161,75 @@ export class VehiclesController {
       next(error);
     }
   };
+
+  getDropdownMakes = async (_req: Request, res: Response, next: NextFunction): Promise<void> => {
+    try {
+      const makes = await this.service.getDropdownMakes();
+      res.json(makes);
+    } catch (error: any) {
+      if (error.message === 'Failed to load makes') {
+        res.status(503).json({ error: 'Unable to load makes data' });
+        return;
+      }
+      next(error);
+    }
+  };
+
+  getDropdownModels = async (req: Request, res: Response, next: NextFunction): Promise<void> => {
+    try {
+      const { make } = req.params;
+      if (!make) {
+        res.status(400).json({ error: 'Make parameter is required' });
+        return;
+      }
+
+      const models = await this.service.getDropdownModels(make);
+      res.json(models);
+    } catch (error: any) {
+      if (error.message === 'Failed to load models') {
+        res.status(503).json({ error: 'Unable to load models data' });
+        return;
+      }
+      next(error);
+    }
+  };
+
+  getDropdownTransmissions = async (_req: Request, res: Response, next: NextFunction): Promise<void> => {
+    try {
+      const transmissions = await this.service.getDropdownTransmissions();
+      res.json(transmissions);
+    } catch (error: any) {
+      if (error.message === 'Failed to load transmissions') {
+        res.status(503).json({ error: 'Unable to load transmissions data' });
+        return;
+      }
+      next(error);
+    }
+  };
+
+  getDropdownEngines = async (_req: Request, res: Response, next: NextFunction): Promise<void> => {
+    try {
+      const engines = await this.service.getDropdownEngines();
+      res.json(engines);
+    } catch (error: any) {
+      if (error.message === 'Failed to load engines') {
+        res.status(503).json({ error: 'Unable to load engines data' });
+        return;
+      }
+      next(error);
+    }
+  };
+
+  getDropdownTrims = async (_req: Request, res: Response, next: NextFunction): Promise<void> => {
+    try {
+      const trims = await this.service.getDropdownTrims();
+      res.json(trims);
+    } catch (error: any) {
+      if (error.message === 'Failed to load trims') {
+        res.status(503).json({ error: 'Unable to load trims data' });
+        return;
+      }
+      next(error);
+    }
+  };
 }

backend/src/features/vehicles/api/vehicles.routes.ts

@@ -11,10 +11,17 @@ export function registerVehiclesRoutes(): Router {
   const router = Router();
   const controller = new VehiclesController();
 
-  // All vehicle routes require authentication
+  // Dropdown Data Routes (no auth required for form population)  
+  router.get('/api/vehicles/dropdown/makes', controller.getDropdownMakes);
+  router.get('/api/vehicles/dropdown/models/:make', controller.getDropdownModels);
+  router.get('/api/vehicles/dropdown/transmissions', controller.getDropdownTransmissions);
+  router.get('/api/vehicles/dropdown/engines', controller.getDropdownEngines);
+  router.get('/api/vehicles/dropdown/trims', controller.getDropdownTrims);
+
+  // All other vehicle routes require authentication
   router.use(authMiddleware);
 
-  // Routes
+  // CRUD Routes
   router.post('/api/vehicles', controller.createVehicle);
   router.get('/api/vehicles', controller.getUserVehicles);
   router.get('/api/vehicles/:id', controller.getVehicle);