Plans: add publish toggle action and UI

tests/Feature/AdminPlanSetPublishedTest.php

@@ -0,0 +1,72 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Models\Plan;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminPlanSetPublishedTest extends TestCase
+{
+    use RefreshDatabase;
+
+    protected function loginAsPlatformAdmin(): void
+    {
+        $this->seed();
+
+        $this->post('/admin/login', [
+            'email' => 'platform.admin@demo.local',
+            'password' => 'Platform@123456',
+        ])->assertRedirect('/admin');
+    }
+
+    public function test_platform_admin_can_set_plan_published_flag(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $plan = Plan::query()->create([
+            'code' => 'publish_toggle_test',
+            'name' => '发布状态切换测试',
+            'billing_cycle' => 'monthly',
+            'price' => 9,
+            'list_price' => 9,
+            'status' => 'draft',
+            'sort' => 10,
+            'published_at' => null,
+        ]);
+
+        $this->post('/admin/plans/' . $plan->id . '/set-published', [
+            'published' => '1',
+        ])->assertRedirect();
+
+        $plan->refresh();
+        $this->assertNotNull($plan->published_at);
+
+        $this->post('/admin/plans/' . $plan->id . '/set-published', [
+            'published' => '0',
+        ])->assertRedirect();
+
+        $plan->refresh();
+        $this->assertNull($plan->published_at);
+    }
+
+    public function test_guest_cannot_set_plan_published_flag(): void
+    {
+        $this->seed();
+
+        $plan = Plan::query()->create([
+            'code' => 'publish_toggle_guest_test',
+            'name' => '发布状态切换测试(guest)',
+            'billing_cycle' => 'monthly',
+            'price' => 9,
+            'list_price' => 9,
+            'status' => 'draft',
+            'sort' => 10,
+            'published_at' => null,
+        ]);
+
+        $this->post('/admin/plans/' . $plan->id . '/set-published', [
+            'published' => '1',
+        ])->assertRedirect('/admin/login');
+    }
+}