feat(tickets): add tenant-aware server-side sorting

app/Domains/Ticket/Requests/AdminAppTicketIndexRequest.php

@@ -3,6 +3,7 @@
 namespace App\Domains\Ticket\Requests;
 
 use App\Domains\Ticket\Models\Ticket;
+use App\Domains\Ticket\Services\AdminAppTicketColumnService;
 use Illuminate\Foundation\Http\FormRequest;
 use Illuminate\Validation\Rule;
 
@@ -16,6 +17,11 @@ class AdminAppTicketIndexRequest extends FormRequest
     /** @return array<string, list<string>> */
     public function rules(): array
     {
+        $tenant = $this->user()?->tenant()->first();
+        $sortableKeys = $tenant === null
+            ? []
+            : app(AdminAppTicketColumnService::class)->sortableKeys($tenant);
+
         return [
             'q' => ['sometimes', 'nullable', 'string', 'max:255'],
             'category' => ['sometimes', 'nullable', 'string', 'max:255'],
@@ -33,6 +39,8 @@ class AdminAppTicketIndexRequest extends FormRequest
             ],
             'page' => ['sometimes', 'integer', 'min:1'],
             'per_page' => ['sometimes', 'integer', 'min:1', 'max:100'],
+            'sort_by' => ['sometimes', 'nullable', 'string', Rule::in($sortableKeys)],
+            'sort_direction' => ['sometimes', 'nullable', 'string', Rule::in(['asc', 'desc'])],
         ];
     }
 }