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/cms/tests/classes/PartialStackTest.php

@@ -0,0 +1,61 @@
+<?php
+
+namespace Cms\Tests\Classes;
+
+use System\Tests\Bootstrap\TestCase;
+use Cms\Classes\PartialStack;
+
+class PartialStackTest extends TestCase
+{
+
+    public function testStackPartials()
+    {
+        $stack = new PartialStack;
+
+        /*
+         * Stack em up
+         */
+        $stack->stackPartial();
+        $stack->addComponent('override1', 'Winter\Tester\Components\MainMenu');
+        $stack->addComponent('override2', 'Winter\Tester\Components\ContentBlock');
+
+        $stack->stackPartial();
+        $stack->addComponent('override3', 'Winter\Tester\Components\Post');
+        $stack->addComponent('post', 'Winter\Tester\Components\Post');
+
+        $stack->stackPartial();
+        $stack->addComponent('mainMenu', 'Winter\Tester\Components\MainMenu');
+
+        /*
+         * Knock em down
+         */
+        $this->assertEquals('Winter\Tester\Components\MainMenu', $stack->getComponent('mainMenu'));
+        $this->assertEquals('Winter\Tester\Components\MainMenu', $stack->getComponent('override1'));
+
+        $stack->unstackPartial();
+
+        $this->assertNull($stack->getComponent('mainMenu'));
+        $this->assertEquals('Winter\Tester\Components\ContentBlock', $stack->getComponent('override2'));
+        $this->assertEquals('Winter\Tester\Components\Post', $stack->getComponent('override3'));
+
+        $stack->unstackPartial();
+
+        $this->assertNull($stack->getComponent('mainMenu'));
+        $this->assertNull($stack->getComponent('post'));
+        $this->assertEquals('Winter\Tester\Components\MainMenu', $stack->getComponent('override1'));
+
+        $stack->unstackPartial();
+
+        $this->assertNull($stack->getComponent('post'));
+        $this->assertNull($stack->getComponent('mainMenu'));
+        $this->assertNull($stack->getComponent('override1'));
+        $this->assertNull($stack->getComponent('override2'));
+        $this->assertNull($stack->getComponent('override3'));
+    }
+
+    public function testEmptyStack()
+    {
+        $stack = new PartialStack;
+        $this->assertNull($stack->getComponent('xxx'));
+    }
+}