upfate doxygen

docs/html/tree__node_8h.html

@@ -97,12 +97,14 @@ $(document).ready(function(){initNavTree('tree__node_8h.html',''); initResizable
 </div><!--header-->
 <div class="contents">
 
-<p>Created: 2026-03-13 Author: Deeaitch (Dim. Himro)  
+<p>Qt-independent metadata tree nodes.  
 <a href="#details">More...</a></p>
 <div class="textblock"><code>#include &lt;cstddef&gt;</code><br />
 <code>#include &lt;memory&gt;</code><br />
+<code>#include &lt;optional&gt;</code><br />
 <code>#include &lt;string&gt;</code><br />
 <code>#include &lt;vector&gt;</code><br />
+<code>#include &quot;definition_key.h&quot;</code><br />
 <code>#include &quot;<a class="el" href="frame__info_8h_source.html">frame_info.h</a>&quot;</code><br />
 <code>#include &quot;<a class="el" href="signal__info_8h_source.html">signal_info.h</a>&quot;</code><br />
 </div>
@@ -124,7 +126,8 @@ Enumerations</h2></td></tr>
 <tr class="separator:acac9cbaeea226ed297804c012dc12b16"><td class="memSeparator" colspan="2">&#160;</td></tr>
 </table>
 <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
-<div class="textblock"><p>Created: 2026-03-13 Author: Deeaitch (Dim. Himro) </p>
+<div class="textblock"><p>Qt-independent metadata tree nodes. </p>
+<p>Created: 2026-03-13 Author: Deeaitch (Dim. Himro)</p>
 <p>Licensed under the MIT License. See LICENSE file in the project root for full license text. </p>
 
 <p class="definition">Definition in file <a class="el" href="tree__node_8h_source.html">tree_node.h</a>.</p>
@@ -151,7 +154,7 @@ Enumerations</h2></td></tr>
 
 <p>Type of a tree node. </p>
 
-<p class="definition">Definition at line <a class="el" href="tree__node_8h_source.html#l00026">26</a> of file <a class="el" href="tree__node_8h_source.html">tree_node.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="tree__node_8h_source.html#l00028">28</a> of file <a class="el" href="tree__node_8h_source.html">tree_node.h</a>.</p>
 
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