Implemented the authenticated admin contact system.

app/Http/Requests/UpdateSupportConversationStatusRequest.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace App\Http\Requests;
+
+use App\Models\SupportConversation;
+use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Validation\Rule;
+
+class UpdateSupportConversationStatusRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return (bool) $this->user()?->is_admin;
+    }
+
+    /**
+     * @return array<string, array<int, mixed>>
+     */
+    public function rules(): array
+    {
+        return [
+            'status' => ['required', 'string', Rule::in(SupportConversation::statuses())],
+        ];
+    }
+}