feat(sound-levels-maintainer): fetch PipeWire Node IDs dynamically based

on name

home/sound-levels-maintainer/scripts/sound-levels-maintainer-boar.sh

@@ -1,17 +1,25 @@
 set -euo pipefail
 
-VIRTUAL_SPEAKER_ID=86
-OBS_MIC_ID=92
+get_pipewire_node_id() {
+	local node_name="$1"
+	pw-cli ls Node | awk -v name="$node_name" '
+    $1 == "id" { id=$2 }
+    /node.name/ && $3 == "\"" name "\"" { gsub(/,/, "", id); print id }
+    '
+}
 
-wpctl set-volume $VIRTUAL_SPEAKER_ID 1.0
-wpctl set-volume $OBS_MIC_ID 1.0
+OBS_SPEAKER_ID=$(get_pipewire_node_id "ObsSpeaker")
+OBS_MIC_ID=$(get_pipewire_node_id "ObsMic")
+
+wpctl set-volume "$OBS_SPEAKER_ID" 1.0
+wpctl set-volume "$OBS_MIC_ID" 1.0
 
 while true; do
-	current_volume_virtual_speaker=$(wpctl get-volume $VIRTUAL_SPEAKER_ID | awk '{print $2}')
-	current_volume_obs_mic=$(wpctl get-volume $OBS_MIC_ID | awk '{print $2}')
+	current_volume_obs_speaker=$(wpctl get-volume "$OBS_SPEAKER_ID" | awk '{print $2}')
+	current_volume_obs_mic=$(wpctl get-volume "$OBS_MIC_ID" | awk '{print $2}')
 
-	[ "$current_volume_virtual_speaker" != "1.0" ] && wpctl set-volume $VIRTUAL_SPEAKER_ID 1.0
-	[ "$current_volume_obs_mic" != "1.0" ] && wpctl set-volume $OBS_MIC_ID 1.0
+	[ "$current_volume_obs_speaker" != "1.0" ] && wpctl set-volume "$OBS_SPEAKER_ID" 1.0
+	[ "$current_volume_obs_mic" != "1.0" ] && wpctl set-volume "$OBS_MIC_ID" 1.0
 
 	sleep 1
 done