refactor: documents

Signed-off-by: Sebastian Krupinski <krupinski01@gmail.com>

shared/lib/Resource/Documents/Collection/CollectionMutableAbstract.php

@@ -0,0 +1,46 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: Sebastian Krupinski <krupinski01@gmail.com>
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace KTXF\Resource\Documents\Collection;
+
+use KTXF\Resource\Provider\Node\NodeMutableAbstract;
+use KTXF\Resource\Provider\Node\NodePropertiesMutableInterface;
+
+/**
+ * Abstract Chrono Collection Mutable Class
+ * 
+ * Provides common implementation for mutable chrono collections
+ * 
+ * @since 2025.05.01
+ */
+abstract class CollectionMutableAbstract extends NodeMutableAbstract implements CollectionMutableInterface {
+
+    protected CollectionPropertiesMutableAbstract $properties;
+
+    /**
+     * @inheritDoc
+     */
+    public function getProperties(): CollectionPropertiesMutableInterface {
+        return $this->properties;
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function setProperties(NodePropertiesMutableInterface $value): static {
+        if (!$value instanceof CollectionPropertiesMutableInterface) {
+            throw new \InvalidArgumentException('Properties must implement CollectionPropertiesMutableInterface');
+        }
+
+        // Copy all property values
+        $this->properties->setLabel($value->getLabel());
+
+        return $this;
+    }
+}