chore: apply code review checklist and web design guidelines fixes

app/Http/Controllers/Api/V1/Admin/AdminUserController.php

@@ -9,14 +9,32 @@ use App\Http\Resources\UserDetailResource;
 use App\Models\User;
 use Illuminate\Http\JsonResponse;
 use Illuminate\Http\Request;
+use Illuminate\Validation\Rule;
 
 class AdminUserController extends ApiController
 {
     public function index(Request $request): JsonResponse
     {
         $request->validate([
-            'role' => ['nullable', 'in:admin,resident,driver,helper,scanner,store_partner'],
-            'status' => ['nullable', 'in:active,suspended,pending'],
+            'role' => [
+                'nullable', 
+                Rule::in([
+                    User::ROLE_ADMIN,
+                    User::ROLE_RESIDENT,
+                    User::ROLE_DRIVER,
+                    User::ROLE_HELPER,
+                    User::ROLE_SCANNER,
+                    User::ROLE_STORE_PARTNER,
+                ])
+            ],
+            'status' => [
+                'nullable',
+                Rule::in([
+                    User::STATUS_ACTIVE,
+                    User::STATUS_SUSPENDED,
+                    User::STATUS_PENDING,
+                ])
+            ],
             'verification_status' => ['nullable', 'in:pending,approved,rejected'],
             'q' => ['nullable', 'string', 'max:100'],
             'per_page' => ['nullable', 'integer', 'min:1', 'max:500'],