fix(service-test): rename response 'data' field to 'result' to avoid api client unwrap conflict

The api client unwraps response.data automatically, which conflicts
with our testService response having its own 'data' field.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

apps/api/src/vehicles/vehicles.service.ts

@@ -500,7 +500,7 @@ export class VehiclesService {
   async testService(
     vin: string,
     service?: string,
-  ): Promise<{ service: string; success: boolean; responseTimeMs: number; data: any; error?: string }> {
+  ): Promise<{ service: string; success: boolean; responseTimeMs: number; result: any; error?: string }> {
     const serviceName = service || "all";
     const startTime = Date.now();
 
@@ -523,7 +523,7 @@ export class VehiclesService {
               service: serviceName,
               success: false,
               responseTimeMs: Date.now() - startTime,
-              data: null,
+              result: null,
               error: `VIN WMI ${vin.substring(0, 3)} PL24 tarafından desteklenmiyor`,
             };
           }
@@ -550,14 +550,14 @@ export class VehiclesService {
         service: serviceName,
         success: data !== null,
         responseTimeMs: Date.now() - startTime,
-        data,
+        result: data,
       };
     } catch (err) {
       return {
         service: serviceName,
         success: false,
         responseTimeMs: Date.now() - startTime,
-        data: null,
+        result: null,
         error: (err as Error).message,
       };
     }

apps/web/src/routes/dashboard/service-test.tsx

@@ -57,7 +57,7 @@ function ServiceTestPage() {
     service: string;
     success: boolean;
     responseTimeMs: number;
-    data: any;
+    result: any;
     error?: string;
   } | null>(null);
   const [copied, setCopied] = useState(false);
@@ -287,11 +287,11 @@ function ServiceTestPage() {
           )}
 
           {/* JSON output */}
-          {result.data !== null && (
+          {result.result !== null && (
             <>
               <Separator className="my-4 bg-border" />
               <pre className="max-h-[600px] overflow-auto rounded-xl border border-border bg-muted/50 p-4 font-mono text-xs leading-relaxed">
-                {JSON.stringify(result.data, null, 2)}
+                {JSON.stringify(result.result, null, 2)}
               </pre>
             </>
           )}