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/backend/tests/models/ImportModelTest.php

@@ -0,0 +1,70 @@
+<?php
+
+namespace Backend\Tests\Models;
+
+use System\Tests\Bootstrap\PluginTestCase;
+use Backend\Models\ImportModel;
+use System\Models\File as FileModel;
+
+if (!class_exists('Model')) {
+    class_alias('Winter\Storm\Database\Model', 'Model');
+}
+
+class ExampleImportModel extends ImportModel
+{
+    public $rules = [];
+
+    public function importData($results, $sessionKey = null)
+    {
+        return [];
+    }
+}
+
+class ImportModelTest extends PluginTestCase
+{
+
+    //
+    // Tests
+    //
+
+    public function testDecodeArrayValue()
+    {
+        $model = new ExampleImportModel;
+        $data = 'foo|bar';
+        $result = self::callProtectedMethod($model, 'decodeArrayValue', [$data]);
+        $this->assertEquals(['foo', 'bar'], $result);
+
+        $data = 'dps \| heals \| tank|paladin|berserker|gunner';
+        $result = self::callProtectedMethod($model, 'decodeArrayValue', [$data]);
+        $this->assertEquals(['dps | heals | tank', 'paladin', 'berserker', 'gunner'], $result);
+
+        $data = 'art direction-roman empire-sci\-fi';
+        $result = self::callProtectedMethod($model, 'decodeArrayValue', [$data, '-']);
+        $this->assertEquals(['art direction', 'roman empire', 'sci-fi'], $result);
+    }
+
+    public function testGetImportFilePath()
+    {
+        $model = new ExampleImportModel;
+        $sessionKey = uniqid('session_key', true);
+
+        $file1 = FileModel::create([
+            'data' => base_path().'/modules/backend/tests/fixtures/reference/file1.txt',
+            'is_public' => false,
+        ]);
+
+        $file2 = FileModel::create([
+            'data' => base_path().'/modules/backend/tests/fixtures/reference/file2.txt',
+            'is_public' => false,
+        ]);
+
+        $model->import_file()->add($file1, $sessionKey);
+        $model->import_file()->add($file2, $sessionKey);
+
+        $this->assertEquals(
+            $file2->getLocalPath(),
+            $model->getImportFilePath($sessionKey),
+            'ImportModel::getImportFilePath() should return the last uploaded file.'
+        );
+    }
+}