Fork the desktop off Omarchy as a self-contained system

shell/Ui/PanelController.qml

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+import QtQuick
+// Stores the open state for a shell panel. Panel owns the public lifecycle
+// methods and IPC wiring; this object only keeps state separate from the
+// panel implementation's own properties.
+//
+// Usage:
+//   PanelController { id: panelController }
+QtObject {
+  id: root
+
+  property bool open: false
+
+  function toggle() { open = !open }
+  function show() { if (!open) open = true }
+  function hide() { open = false }
+}