feat: crowd types management UI with create/edit/deactivate

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

api/app/Http/Requests/Api/V1/StoreCrowdTypeRequest.php

@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace App\Http\Requests\Api\V1;
 
 use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Validation\Rule;
 
 final class StoreCrowdTypeRequest extends FormRequest
 {
@@ -17,7 +18,12 @@ final class StoreCrowdTypeRequest extends FormRequest
     public function rules(): array
     {
         return [
-            'name' => ['required', 'string', 'max:100'],
+            'name' => [
+                'required',
+                'string',
+                'max:100',
+                Rule::unique('crowd_types')->where('organisation_id', $this->route('organisation')->id),
+            ],
             'system_type' => ['required', 'in:CREW,GUEST,ARTIST,VOLUNTEER,PRESS,PARTNER,SUPPLIER'],
             'color' => ['required', 'regex:/^#[0-9A-Fa-f]{6}$/'],
             'icon' => ['nullable', 'string', 'max:50'],