feat(integration): administrar instancias y asociaciones con permisos

Agrega endpoints para crear, editar y asociar instancias a clientes y tipos de sitio. Valida las credenciales contra el esquema del catalogo y devuelve metadatos sin secretos.

Restringe la administracion al rol admin autenticado y mantiene inmutables los codigos de integracion. Incluye pruebas de API, permisos, prioridad de resolucion, edicion compartida y renovacion de tokens.

tests/Feature/Integration/ClientIntegrationControllerTest.php

@@ -2,11 +2,13 @@
 
 namespace Tests\Feature\Integration;
 
+use App\Domains\Auth\Models\User;
 use App\Domains\Client\Models\Client;
 use App\Domains\Integration\Models\ClientIntegration;
 use App\Domains\Integration\Models\Integration;
 use App\Domains\Integration\Services\ClientIntegrationService;
 use Illuminate\Foundation\Testing\RefreshDatabase;
+use Laravel\Sanctum\Sanctum;
 use Mockery;
 use Tests\TestCase;
 
@@ -16,6 +18,7 @@ class ClientIntegrationControllerTest extends TestCase
 
     public function test_store_returns_success_message_without_integration_data(): void
     {
+        Sanctum::actingAs(User::factory()->create(['rol_codigo' => 'admin']));
         $integration = Integration::create([
             'integration_code' => 'test_integration',
             'name' => 'Test Integration',
@@ -36,7 +39,7 @@ class ClientIntegrationControllerTest extends TestCase
                 ->andReturn(new ClientIntegration);
         });
 
-        $this->putJson('/api/clients/test-client/integrations/test_integration', [
+        $this->withHeader('Accept-Language', 'es')->putJson('/api/clients/test-client/integrations/test_integration', [
             'integration_data' => [
                 'api_key' => 'secret',
             ],