feat: add multi-city representation support and domain context resolution

- Created migration to add representation_cities table and domain, is_global fields to representations.
- Implemented SiteContextController to resolve domain to site context (city | representation | unknown).
- Developed DomainContext and DomainContextResolver services for domain mapping.
- Added tests for DomainContextResolver and commission logic based on domain ownership.

src/Clinic/Controller/ClinicController.php

@@ -44,6 +44,7 @@ class ClinicController extends BaseController
         private readonly UserRepository          $userRepo,
         private readonly WeeklyScheduleRepository $scheduleRepo,
         private readonly FileValidatorService    $fileValidator,
+        private readonly \App\Representation\Service\DomainContextResolver $domainResolver,
         private readonly string                  $projectDir,
     ) {}
 
@@ -259,7 +260,7 @@ class ClinicController extends BaseController
     #[Route('/api/v1/clinics', methods: ['GET'])]
     public function list(Request $request): JsonResponse
     {
-        $filters = $request->query->all();
+        $filters = $this->domainResolver->applyToListFilters($request->query->all());
         $result  = $this->clinicRepo->findWithFilters($filters);
 
         $clinicIds = array_map(fn(Clinic $c) => $c->getId(), $result['items']);