Add support API scaffold

app/Http/Controllers/Api/Support/SupportGuestPolicyController.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace App\Http\Controllers\Api\Support;
+
+use App\Http\Controllers\Controller;
+use App\Http\Requests\Support\SupportGuestPolicyRequest;
+use App\Models\GuestPolicySetting;
+use App\Services\Audit\SuperAdminAuditLogger;
+use App\Support\SupportApiAuthorizer;
+use Illuminate\Http\JsonResponse;
+
+class SupportGuestPolicyController extends Controller
+{
+    public function show(): JsonResponse
+    {
+        if ($response = SupportApiAuthorizer::authorizeAbilities(request(), ['support:settings'], 'settings')) {
+            return $response;
+        }
+
+        $settings = GuestPolicySetting::current();
+
+        return response()->json([
+            'data' => $settings,
+        ]);
+    }
+
+    public function update(SupportGuestPolicyRequest $request): JsonResponse
+    {
+        if ($response = SupportApiAuthorizer::authorizeAbilities($request, ['support:settings'], 'settings')) {
+            return $response;
+        }
+
+        $settings = GuestPolicySetting::query()->firstOrNew(['id' => 1]);
+
+        $settings->fill($request->validated());
+        $settings->save();
+
+        $changed = $settings->getChanges();
+
+        if ($changed !== []) {
+            app(SuperAdminAuditLogger::class)->record(
+                'guest_policy.updated',
+                $settings,
+                SuperAdminAuditLogger::fieldsMetadata(array_keys($changed)),
+                source: static::class
+            );
+        }
+
+        return response()->json([
+            'data' => $settings->refresh(),
+        ]);
+    }
+}