Services in subfolder + cleanup/fixes

Services/UI/ToastService.qml

@@ -0,0 +1,24 @@
+pragma Singleton
+
+import QtQuick
+import Quickshell
+
+Singleton {
+  id: root
+
+  // Simple signal-based notification system
+  signal notify(string message, string description, string icon, string type, int duration)
+
+  // Convenience methods
+  function showNotice(message, description = "", icon = "", duration = 3000) {
+    notify(message, description, icon, "notice", duration)
+  }
+
+  function showWarning(message, description = "", duration = 4000) {
+    notify(message, description, "", "warning", duration)
+  }
+
+  function showError(message, description = "", duration = 5000) {
+    notify(message, description, "", "error", duration)
+  }
+}