fix(bar): more bullet proofing toward auto-hide

Modules/Bar/Extras/BarWidgetLoader.qml

@@ -73,8 +73,33 @@ Item {
     id: loader
     anchors.fill: parent
     asynchronous: false
-    // Include reloadCounter in the binding to force re-evaluation
-    active: root.checkWidgetExists() && (root.reloadCounter >= 0)
+
+    // Deferred activation to prevent re-entrant incubation crash:
+    // When ListModel.append() creates this delegate, the Repeater is mid-incubation.
+    // If this Loader activates synchronously (asynchronous: false) during delegate
+    // finalization, it triggers nested QQmlIncubatorPrivate::incubate which corrupts
+    // the V4 heap (SIGSEGV in QV4::Object::insertMember).
+    // Deferring to the next event loop iteration breaks the nesting.
+    property bool _ready: false
+    active: _ready && root.checkWidgetExists() && (root.reloadCounter >= 0)
+
+    Timer {
+      id: activateTimer
+      interval: 0
+      onTriggered: loader._ready = true
+    }
+
+    Component.onCompleted: activateTimer.start()
+
+    // Reset _ready when reloadCounter changes to force a deferred re-activation
+    Connections {
+      target: root
+      function onReloadCounterChanged() {
+        loader._ready = false;
+        activateTimer.restart();
+      }
+    }
+
     sourceComponent: {
       // Depend on reloadCounter to force re-fetch of component
       var _ = root.reloadCounter;

Modules/MainScreen/BarContentWindow.qml

@@ -25,6 +25,8 @@ PanelWindow {
 
   Component.onCompleted: {
     Logger.d("BarContentWindow", "Bar content window created for screen:", barWindow.screen?.name);
+    if (!isHidden)
+      contentLoaded = true;
   }
 
   // Wayland layer configuration
@@ -144,8 +146,11 @@ PanelWindow {
     right: barPosition === "right" || !barIsVertical
   }
 
-  // Track if content should be loaded (stays true during fade-out animation)
-  property bool contentLoaded: !isHidden
+  // Track if content should be loaded (stays true during fade-out animation).
+  // Must NOT be a binding to isHidden — on the first hide cycle the binding
+  // would flip contentLoaded false synchronously (before onIsHiddenChanged can
+  // start the unload timer), unmapping the Wayland surface mid-animation.
+  property bool contentLoaded: false
 
   // Timer to delay unload until after fade animation
   Timer {