add tooltips

modules/Mpris.qml

@@ -1,4 +1,5 @@
 import QtQuick
+import QtQuick.Controls
 import Quickshell.Services.Mpris
 import "." as M
 
@@ -19,6 +20,20 @@ Row {
         anchors.verticalCenter: parent.verticalCenter
     }
 
+    HoverHandler { id: hover }
+    ToolTip {
+        visible: hover.hovered
+        text: {
+            const p = root.player;
+            if (!p) return "";
+            const parts = [];
+            if (p.trackTitle) parts.push(p.trackTitle);
+            if (p.trackArtists?.length) parts.push(p.trackArtists.join(", "));
+            if (p.trackAlbum) parts.push(p.trackAlbum);
+            return parts.join("\n") || p.identity;
+        }
+    }
+
     TapHandler {
         onTapped: root.player?.togglePlaying()
     }