sync: latest changes before Gitea migration

public/diary/2026-03-31/index.html

@@ -38,6 +38,10 @@
                         <a class="nav-link" href="../../plans/">Планы</a>
                     </li>
                     
+                    <li class="nav-item">
+                        <a class="nav-link" href="../../leadera/">Leadera</a>
+                    </li>
+                    
                     <li class="nav-item">
                         <a class="nav-link" href="../../guides/">Инструкции</a>
                     </li>
@@ -205,6 +209,15 @@
 <div class="article-content">
     <h1>31 марта 2026</h1>
     <p class="diary-date">31.03.2026</p>
+    <div class="source-path mb-3">
+    <small class="text-muted">
+        📁 <code id="source-path" class="user-select-all">~/Projects/docs-a2v/content/diary/2026-03-31.md</code>
+        <button class="btn btn-sm btn-outline-secondary ms-1 py-0 px-1" onclick="navigator.clipboard.writeText('~/Projects/docs-a2v/content/diary\/2026-03-31.md')" title="Копировать путь">
+            📋
+        </button>
+    </small>
+</div>
+
 
     <h2 id="timeline">Timeline</h2>
 <ul>