init

backend/app/Support/MissingTenantContextException.php

@@ -0,0 +1,15 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Support;
+
+use RuntimeException;
+
+final class MissingTenantContextException extends RuntimeException
+{
+    public function __construct()
+    {
+        parent::__construct('当前没有租户上下文。');
+    }
+}