Feature: Icon does not appear unless installed

dotfiles/.config/quickshell/modules/bar/PinnedTray.qml

@@ -16,12 +16,14 @@ RowLayout {
         {
             name: "Bitwarden",
             icon: Qt.resolvedUrl("../../assets/bitwarden.png"),
+            binary: "bitwarden",
             launch: ["bitwarden"],
+            secondary: ["pkill", "bitwarden"]
         },
         {
             name: "Sunshine",
-            
             icon: Qt.resolvedUrl("../../assets/sunshine.svg"),
+            binary: "sunshine",
             launch: ["systemctl", "--user", "start", "app-dev.lizardbyte.app.Sunshine.service"],
             secondary: ["xdg-open", "https://xol.twhomelab.local:47990"],
         },
@@ -44,10 +46,18 @@ RowLayout {
             required property var modelData
             readonly property var trayItem: root.findTrayItem(modelData.name)
             readonly property bool running: trayItem !== null
+            property bool installed: false // Application installation check
 
+            visible: slot.installed
             implicitWidth: Appearance.iconSize
             implicitHeight: Appearance.iconSize
 
+            Process {
+                running: true
+                command: ["which", slot.modelData.binary]
+                onExited: (exitCode) => slot.installed = exitCode === 0
+            }
+
             IconImage {
                 anchors.fill: parent
                 source: slot.running