waybar: added pipewire listener for displaying audio status changes in real time

.config/river/init

@@ -201,6 +201,9 @@ riverctl spawn "wlclock --layer background --background-colour '#00000000' --clo
 #riverctl spawn "$HOME/.config/river/bar"
 riverctl spawn waybar
 
+# Start waybar audio listener
+~/.local/bin/waybar_audio_event_bridge.sh &
+
 # Idle configuration
 riverctl spawn "swayidle -w timeout 1200 'wlopm --off \"*\"' resume 'wlopm --on \"*\"' before-sleep 'waylock -fork-on-lock'"
 

.config/waybar/config.jsonc

@@ -71,6 +71,7 @@
 
 	"custom/audio": {
 		"exec": "~/.local/bin/waybar_audio.sh",
+		"signal": 8,
 		"return-type": "json",
 		"format": "{icon} {text}",
 		"format-icons": {