fix and update v2 for operator

app/Http/Requests/V3/RoadObservation/VerifyBySupervisorRequest.php

@@ -3,6 +3,7 @@
 namespace App\Http\Requests\V3\RoadObservation;
 
 use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Support\Facades\Gate;
 
 class VerifyBySupervisorRequest extends FormRequest
 {
@@ -11,7 +12,7 @@ class VerifyBySupervisorRequest extends FormRequest
      */
     public function authorize(): bool
     {
-        return true;
+        return Gate::allows('gate-supervise-road-observed');
     }
 
     /**
@@ -22,7 +23,7 @@ class VerifyBySupervisorRequest extends FormRequest
     public function rules(): array
     {return [
         'verify' => ['required', 'in:1,2'],
-        'description' => ['nullable', 'string'],
+        'description' => ['string'],
     ];
     }
 }