AudioService: fix #481 zero output/input volume after suspend.

Services/AudioService.qml

@@ -54,7 +54,7 @@ Singleton {
     function onVolumeChanged() {
       var vol = (sink?.audio.volume ?? 0)
       if (isNaN(vol)) {
-        vol = 0
+        return
       }
       root._volume = vol
     }
@@ -72,7 +72,7 @@ Singleton {
     function onVolumeChanged() {
       var vol = (source?.audio.volume ?? 0)
       if (isNaN(vol)) {
-        vol = 0
+        return
       }
       root._inputVolume = vol
     }

Services/CompositorService.qml

@@ -309,6 +309,7 @@ Singleton {
   // Session management
   function logout() {
     if (backend && backend.logout) {
+      Logger.log("Compositor", "Logout requested")
       backend.logout()
     } else {
       Logger.warn("Compositor", "No backend available for logout")
@@ -316,18 +317,22 @@ Singleton {
   }
 
   function shutdown() {
+    Logger.log("Compositor", "Shutdown requested")
     Quickshell.execDetached(["shutdown", "-h", "now"])
   }
 
   function reboot() {
+    Logger.log("Compositor", "Reboot requested")
     Quickshell.execDetached(["reboot"])
   }
 
   function suspend() {
+    Logger.log("Compositor", "Suspend requested")
     Quickshell.execDetached(["systemctl", "suspend"])
   }
 
   function lockAndSuspend() {
+    Logger.log("Compositor", "Lock and suspend requested")
     try {
       if (PanelService && PanelService.lockScreen && !PanelService.lockScreen.active) {
         PanelService.lockScreen.active = true