menu: use native Lampa.Menu.addButton (reliable, no manual DOM insert); drop makeButton

plugin.js

@@ -389,37 +389,25 @@
     }
 
     // ---------- Menu item ----------
-    // Lampa builds the main menu on the 'menu:start' event, e.body is the jQuery menu root.
-    // Remove ALL old copies from the DOM first, then add exactly one button.
-    function makeButton() {
-        var button = $(
-            '<li class="menu__item selector" data-action="' + PLUGIN.menu_action + '">' +
-                '<div class="menu__ico">' +
-                    '<svg class="sprite-folder"><use xlink:href="#sprite-folder"></use></svg>' +
-                '</div>' +
-                '<div class="menu__text">' + t(PLUGIN.title) + '</div>' +
-            '</li>'
-        );
-        button.on('hover:enter', function () {
-            Lampa.Activity.push({
-                url: '',
-                component: PLUGIN.name,
-                title: t(PLUGIN.title),
-                page: t(PLUGIN.title)
-            });
-        });
-        return button;
-    }
-
-    var menuSubscribed = false;
-    function addMenuButton() {
-        // remove ALL copies everywhere in DOM, then add exactly one
-        $('[data-action="' + PLUGIN.menu_action + '"]').remove();
-        $('.menu .menu__list').eq(0).append(makeButton());
-        if (Lampa.Selector) Lampa.Selector.update();
-    }
+    // Lampa builds the main menu on the 'menu:start' event. We add our item via the
+    // native Lampa.Menu.addButton() API (adds to .menu__list and wires hover:enter).
     var menuSubscribed = false;
     var menuInterval = null;
+    function addMenuButton() {
+        // Use Lampa's native menu API (adds to .menu__list:eq(0) and wires hover:enter).
+        Lampa.Menu.addButton(
+            '<svg class="sprite-folder"><use xlink:href="#sprite-folder"></use></svg>',
+            t(PLUGIN.title),
+            function () {
+                Lampa.Activity.push({
+                    url: '',
+                    component: PLUGIN.name,
+                    title: t(PLUGIN.title),
+                    page: t(PLUGIN.title)
+                });
+            }
+        );
+    }
     function start() {
         if (menuSubscribed) return;
         menuSubscribed = true;
@@ -449,7 +437,6 @@
 
         // The main menu may already be built (or built later) by the time this plugin
         // loads. Poll briefly (every 500ms) until it appears, then add the item once.
-        // This keeps it from showing "late and shoving items" while still being reliable.
         if (!tryAdd()) {
             menuInterval = setInterval(tryAdd, 500);
             // safety: stop polling after 30s regardless