fix hover panel border hidden behind full-bleed content (mpris art)

modules/HoverPanel.qml

@@ -118,4 +118,18 @@ PanelWindow {
         opacity: 0
         y: -height
     }
+
+    // Border overlay — drawn on top of content so full-bleed items (e.g. album art) don't cover it
+    Rectangle {
+        x: panelContent.x
+        y: panelContent.y
+        width: panelContent.width
+        height: panelContent.height
+        color: "transparent"
+        border.color: root.accentColor
+        border.width: 1
+        bottomLeftRadius: M.Theme.radius
+        bottomRightRadius: M.Theme.radius
+        opacity: panelContent.opacity
+    }
 }