Create say-out-loud skill: chime, built-in speakers, sets volume, speaks answer

skills/say-out-loud/say_out_loud.sh

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+#!/bin/bash
+# say_out_loud.sh
+# Usage: ./say_out_loud.sh "message to say"
+
+MESSAGE="$1"
+
+# Set output to built-in speakers — comment this line if not needed
+default_output="$(system_profiler SPAudioDataType | grep -B 5 'Built-in Output' | grep 'Device ID' | awk -F ": " '{print $2}' | head -n1)"
+if [[ -n "$default_output" ]]; then
+  SwitchAudioSource -s "$default_output" 2>/dev/null
+fi
+
+# Set system volume to 80%
+osascript -e 'set volume output volume 80'
+
+# Play chime
+afplay /System/Library/Sounds/Glass.aiff
+
+# Speak the message (default voice)
+say "$MESSAGE"