Add support API scaffold

app/Http/Requests/Support/SupportGuestPolicyRequest.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace App\Http\Requests\Support;
+
+use Illuminate\Contracts\Validation\ValidationRule;
+use Illuminate\Foundation\Http\FormRequest;
+
+class SupportGuestPolicyRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    /**
+     * @return array<string, ValidationRule|array<mixed>|string>
+     */
+    public function rules(): array
+    {
+        return [
+            'guest_downloads_enabled' => ['sometimes', 'boolean'],
+            'guest_sharing_enabled' => ['sometimes', 'boolean'],
+            'guest_upload_visibility' => ['sometimes', 'string'],
+            'per_device_upload_limit' => ['sometimes', 'integer', 'min:0'],
+            'join_token_failure_limit' => ['sometimes', 'integer', 'min:1'],
+            'join_token_failure_decay_minutes' => ['sometimes', 'integer', 'min:1'],
+            'join_token_access_limit' => ['sometimes', 'integer', 'min:0'],
+            'join_token_access_decay_minutes' => ['sometimes', 'integer', 'min:1'],
+            'join_token_download_limit' => ['sometimes', 'integer', 'min:0'],
+            'join_token_download_decay_minutes' => ['sometimes', 'integer', 'min:1'],
+            'join_token_ttl_hours' => ['sometimes', 'integer', 'min:0'],
+            'share_link_ttl_hours' => ['sometimes', 'integer', 'min:1'],
+            'guest_notification_ttl_hours' => ['nullable', 'integer', 'min:1'],
+        ];
+    }
+}