quickshell: add notification sound with app muting

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

settings/hyprland.nix

@@ -63,6 +63,7 @@ in
       quickshell
       qt6.qt5compat
       zenity
+      libcanberra-gtk3
     ];
 
     # Use upstream anyrun flake's HM module instead of the built-in one
@@ -498,6 +499,7 @@ in
                 readonly property string nmcli: "${nmcli}"
                 readonly property string wifiConnect: "${wifiConnectScript}"
                 readonly property string powerprofilesctl: "${powerprofilesctl}"
+                readonly property string notifSound: "${pkgs.libcanberra-gtk3}/bin/canberra-gtk-play"
             }
           '';
         };
@@ -1722,6 +1724,7 @@ in
           text = ''
             import Quickshell
             import Quickshell.Wayland
+            import Quickshell.Io
             import QtQuick
 
             PanelWindow {
@@ -1731,10 +1734,17 @@ in
                 property var currentNotif: null
                 property bool open: false
 
+                readonly property var mutedApps: ["discord", "Discord", "Spotify", "spotify", "vlc", "mpv"]
+
                 WlrLayershell.layer: WlrLayer.Overlay
                 WlrLayershell.namespace: "quickshell-toast"
                 exclusionMode: ExclusionMode.Ignore
 
+                Process {
+                    id: notifSoundProc
+                    command: [Commands.notifSound, "-i", "message"]
+                }
+
                 Connections {
                     target: shellRoot
                     function onNotificationReceived() {
@@ -1747,6 +1757,9 @@ in
                     visible = true;
                     open = true;
                     _toastTimer.restart();
+                    if (!mutedApps.includes(notification.appName)) {
+                        notifSoundProc.running = true;
+                    }
                 }
 
                 function dismiss() {