feat(platform): 新增对外平台入口 /platform（首页+套餐展示）

tests/Feature/PublicPlatformPlansPageTest.php

@@ -0,0 +1,65 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Models\Plan;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class PublicPlatformPlansPageTest extends TestCase
+{
+    use RefreshDatabase;
+
+    public function test_public_platform_plans_page_should_only_show_active_and_published_plans(): void
+    {
+        Plan::query()->create([
+            'code' => 'pub_plan_active_published',
+            'name' => '对外展示套餐-启用已发布',
+            'billing_cycle' => 'monthly',
+            'price' => 99,
+            'list_price' => 129,
+            'status' => 'active',
+            'sort' => 10,
+            'description' => 'public ok',
+            'published_at' => now(),
+        ]);
+
+        Plan::query()->create([
+            'code' => 'pub_plan_active_unpublished',
+            'name' => '不应展示-启用未发布',
+            'billing_cycle' => 'monthly',
+            'price' => 9,
+            'list_price' => 9,
+            'status' => 'active',
+            'sort' => 20,
+            'description' => 'no',
+            'published_at' => null,
+        ]);
+
+        Plan::query()->create([
+            'code' => 'pub_plan_inactive_published',
+            'name' => '不应展示-停用已发布',
+            'billing_cycle' => 'monthly',
+            'price' => 199,
+            'list_price' => 199,
+            'status' => 'inactive',
+            'sort' => 30,
+            'description' => 'no',
+            'published_at' => now(),
+        ]);
+
+        $res = $this->get('/platform/plans');
+        $res->assertOk();
+
+        $res->assertSee('对外展示套餐-启用已发布');
+        $res->assertDontSee('不应展示-启用未发布');
+        $res->assertDontSee('不应展示-停用已发布');
+    }
+
+    public function test_public_platform_index_page_should_be_accessible(): void
+    {
+        $this->get('/platform')
+            ->assertOk()
+            ->assertSee('SaaSShop');
+    }
+}