feat: VivesPOS landing on Winter CMS 1.2 — theme + plugin + Dockerfile

- Base: wintercms/winter branch 1.2 (full framework)
- Theme vivespos: Canvas 7 + Bootstrap 5 CDN, custom CSS
- Layout: deferred GTM/GA4 tracking, JSON-LD SoftwareApplication
- Partials: hero (offline-first), features, modes (offline/nube toggle),
  screenshots, pricing (3 planes), comparison, FAQ, CTA
- Plugin VivesPOS.Site with ContactForm
- Dockerfile: PHP 8.2 Apache, port 80, healthcheck
- Added winter/wn-pages, blog, sitemap, seo plugins
- Active theme set to vivespos

modules/system/tests/bootstrap/PluginManagerTestCase.php

@@ -0,0 +1,117 @@
+<?php
+
+namespace System\Tests\Bootstrap;
+
+use System\Classes\UpdateManager;
+use System\Classes\VersionManager;
+use System\Classes\PluginManager;
+use ReflectionClass;
+
+use Winter\Storm\Database\Model as ActiveRecord;
+
+class PluginManagerTestCase extends TestCase
+{
+    public ?PluginManager $manager = null;
+    protected $output;
+
+    /**
+     * Creates the application.
+     * @return Symfony\Component\HttpKernel\HttpKernelInterface
+     */
+    public function createApplication()
+    {
+        $app = parent::createApplication();
+
+        /*
+         * Store database in memory by default unless specified otherwise
+         */
+        if (!file_exists(base_path('config/testing/database.php'))) {
+            $app['config']->set('database.connections.testing', [
+                'driver'   => 'sqlite',
+                'database' => ':memory:',
+            ]);
+            $app['config']->set('database.default', 'testing');
+        }
+
+        return $app;
+    }
+
+    /**
+     * Perform test case set up.
+     * @return void
+     */
+    public function setUp() : void
+    {
+        /*
+         * Force reload of Winter singletons
+         */
+        PluginManager::forgetInstance();
+        UpdateManager::forgetInstance();
+
+        // Forces plugin migrations to be run again on every test
+        VersionManager::forgetInstance();
+
+        $this->output = new \Symfony\Component\Console\Output\BufferedOutput();
+
+        parent::setUp();
+
+        /*
+         * Ensure system is up to date
+         */
+        $this->runWinterUpCommand();
+
+        $manager = PluginManager::instance();
+        self::callProtectedMethod($manager, 'init');
+        $this->manager = $manager;
+    }
+
+    /**
+     * Flush event listeners and collect garbage.
+     * @return void
+     */
+    public function tearDown() : void
+    {
+        $this->flushModelEventListeners();
+        parent::tearDown();
+        unset($this->app);
+    }
+
+    /**
+     * Migrate database using winter:up command.
+     * @return void
+     */
+    protected function runWinterUpCommand()
+    {
+        UpdateManager::instance()
+            ->setNotesOutput($this->output)
+            ->update();
+    }
+
+    /**
+     * The models in Winter use a static property to store their events, these
+     * will need to be targeted and reset ready for a new test cycle.
+     * Pivot models are an exception since they are internally managed.
+     * @return void
+     */
+    protected function flushModelEventListeners()
+    {
+        foreach (get_declared_classes() as $class) {
+            if ($class === 'Winter\Storm\Database\Pivot' || strtolower($class) === 'october\rain\database\pivot') {
+                continue;
+            }
+
+            $reflectClass = new ReflectionClass($class);
+            if (
+                !$reflectClass->isInstantiable() ||
+                !$reflectClass->isSubclassOf('Winter\Storm\Database\Model') ||
+                $reflectClass->isSubclassOf('Winter\Storm\Database\Pivot')
+            ) {
+                continue;
+            }
+
+            $class::flushEventListeners();
+        }
+
+        ActiveRecord::flushEventListeners();
+    }
+}