feat: add guest notification center

app/Http/Requests/Tenant/BroadcastGuestNotificationRequest.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Http\Requests\Tenant;
+
+use App\Enums\GuestNotificationType;
+use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Validation\Rule;
+
+class BroadcastGuestNotificationRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    public function rules(): array
+    {
+        return [
+            'title' => ['required', 'string', 'max:160'],
+            'message' => ['required', 'string', 'max:2000'],
+            'type' => ['nullable', 'string', Rule::in(array_map(fn (GuestNotificationType $type) => $type->value, GuestNotificationType::cases()))],
+            'audience' => ['nullable', 'string', Rule::in(['all', 'guest'])],
+            'guest_identifier' => ['nullable', 'string', 'max:120', 'required_if:audience,guest'],
+            'cta' => ['nullable', 'array'],
+            'cta.label' => ['required_with:cta.url', 'string', 'max:80'],
+            'cta.url' => ['required_with:cta.label', 'string', 'max:2048'],
+            'expires_in_minutes' => ['nullable', 'integer', 'between:5,2880'],
+            'priority' => ['nullable', 'integer', 'between:0,5'],
+        ];
+    }
+}