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/plugins/database/DeferredBindingTest.php

@@ -0,0 +1,112 @@
+<?php
+
+namespace System\Tests\Plugins\Database;
+
+use System\Tests\Bootstrap\PluginTestCase;
+use Database\Tester\Models\Post;
+use Database\Tester\Models\Author;
+use Winter\Storm\Database\Models\DeferredBinding;
+use Model;
+
+class DeferredBindingTest extends PluginTestCase
+{
+    public function setUp() : void
+    {
+        parent::setUp();
+
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/Post.php';
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/Author.php';
+
+        $this->runPluginRefreshCommand('Database.Tester');
+    }
+
+    public function testNegatedBinding()
+    {
+        $sessionKey = uniqid('session_key', true);
+        DeferredBinding::truncate();
+
+        Model::unguard();
+        $author = Author::make(['name' => 'Stevie']);
+        $post = Post::create(['title' => "First post"]);
+        $post2 = Post::create(['title' => "Second post"]);
+        Model::reguard();
+
+        $author->posts()->add($post, $sessionKey);
+        $this->assertEquals(1, DeferredBinding::count());
+
+        // Skip repeat bindings
+        $author->posts()->add($post, $sessionKey);
+        $this->assertEquals(1, DeferredBinding::count());
+
+        // Remove add-delete pairs
+        $author->posts()->remove($post, $sessionKey);
+        $this->assertEquals(0, DeferredBinding::count());
+
+        // Multi ball
+        $sessionKey = uniqid('session_key', true);
+        $author->posts()->add($post, $sessionKey);
+        $author->posts()->add($post, $sessionKey);
+        $author->posts()->add($post, $sessionKey);
+        $author->posts()->add($post, $sessionKey);
+        $author->posts()->add($post2, $sessionKey);
+        $author->posts()->add($post2, $sessionKey);
+        $author->posts()->add($post2, $sessionKey);
+        $author->posts()->add($post2, $sessionKey);
+        $author->posts()->add($post2, $sessionKey);
+        $this->assertEquals(2, DeferredBinding::count());
+
+        // Clean up add-delete pairs
+        $author->posts()->remove($post, $sessionKey);
+        $author->posts()->remove($post2, $sessionKey);
+        $this->assertEquals(0, DeferredBinding::count());
+
+        // Double negative
+        $author->posts()->remove($post, $sessionKey);
+        $author->posts()->remove($post2, $sessionKey);
+        $this->assertEquals(2, DeferredBinding::count());
+
+        // Skip repeat bindings
+        $author->posts()->remove($post, $sessionKey);
+        $author->posts()->remove($post2, $sessionKey);
+        $this->assertEquals(2, DeferredBinding::count());
+
+        // Clean up add-delete pairs again
+        $author->posts()->add($post, $sessionKey);
+        $author->posts()->add($post2, $sessionKey);
+        $this->assertEquals(0, DeferredBinding::count());
+    }
+
+    public function testCancelBinding()
+    {
+        $sessionKey = uniqid('session_key', true);
+        DeferredBinding::truncate();
+
+        Model::unguard();
+        $author = Author::make(['name' => 'Stevie']);
+        $post = Post::create(['title' => "First post"]);
+        Model::reguard();
+
+        $author->posts()->add($post, $sessionKey);
+        $this->assertEquals(1, DeferredBinding::count());
+
+        $author->cancelDeferred($sessionKey);
+        $this->assertEquals(0, DeferredBinding::count());
+    }
+
+    public function testCommitBinding()
+    {
+        $sessionKey = uniqid('session_key', true);
+        DeferredBinding::truncate();
+
+        Model::unguard();
+        $author = Author::make(['name' => 'Stevie']);
+        $post = Post::create(['title' => "First post"]);
+        Model::reguard();
+
+        $author->posts()->add($post, $sessionKey);
+        $this->assertEquals(1, DeferredBinding::count());
+
+        $author->commitDeferred($sessionKey);
+        $this->assertEquals(0, DeferredBinding::count());
+    }
+}