refactor(js): 提炼toast通用函数并保留toastSuccess封装

tests/Feature/AdminJsToastHelperShouldExistTest.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace Tests\Feature;
+
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminJsToastHelperShouldExistTest extends TestCase
+{
+    use RefreshDatabase;
+
+    public function test_admin_js_should_include_toast_helper_and_toast_success_wrapper(): void
+    {
+        $js = file_get_contents(public_path('js/admin.js'));
+
+        $this->assertIsString($js);
+        $this->assertStringContainsString('function toast(', $js);
+        $this->assertStringContainsString("toast('success'", $js);
+    }
+}