extract PinnableSection base component from 12 bar modules

shell/modules/PinnableSection.qml

@@ -0,0 +1,30 @@
+import QtQuick
+import Quickshell
+import "." as M
+import "../services" as S
+
+// Base component for bar modules with a pinnable hover panel.
+// Provides the _pinned/_anyHover/_showPanel/_unpinTimer boilerplate.
+// Modules bind _panelHovered to their HoverPanel's panelHovered property.
+M.BarSection {
+    id: root
+    tooltip: ""
+
+    property bool _pinned: false
+    property bool _panelHovered: false
+    readonly property bool _anyHover: root._hovered || _panelHovered
+    readonly property bool _showPanel: _anyHover || _pinned
+
+    on_AnyHoverChanged: {
+        if (_anyHover)
+            _unpinTimer.stop();
+        else if (_pinned)
+            _unpinTimer.start();
+    }
+
+    Timer {
+        id: _unpinTimer
+        interval: 500
+        onTriggered: root._pinned = false
+    }
+}