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/CmsExceptionTest.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace Cms\Tests\Classes;
+
+use System\Tests\Bootstrap\TestCase;
+use Cms\Classes\CmsException;
+use Cms\Classes\Router;
+use Cms\Classes\Theme;
+use Winter\Storm\Exception\SystemException;
+
+class CmsExceptionTest extends TestCase
+{
+    //
+    // Tests
+    //
+
+    public function testExceptionMask()
+    {
+        $foreignException = new \Exception('This is a general error');
+        $exceptionMask = new SystemException('This is a system exception');
+        $exceptionMask->setMask($foreignException);
+
+        $this->assertEquals('This is a general error', $exceptionMask->getMessage());
+    }
+
+    public function testCmsExceptionPhp()
+    {
+        $theme = Theme::load('test');
+        $router = new Router($theme);
+        $page = $router->findByUrl('/throw-php');
+
+        $error = [
+            'file' => 'test.php',
+            'line' => 20,
+        ];
+        $foreignException = new \Symfony\Component\ErrorHandler\Error\FatalError('This is a general error', 100, $error);
+        $this->setProtectedProperty($foreignException, 'file', "/modules/cms/classes/CodeParser.php(165) : eval()'d code line 7");
+
+        $exception = new CmsException($page, 300);
+        $exception->setMask($foreignException);
+
+        $this->assertEquals($page->getFilePath(), $exception->getFile());
+        $this->assertEquals('PHP Content', $exception->getErrorType());
+        $this->assertEquals('This is a general error', $exception->getMessage());
+    }
+}