Claude CodeのStop hookで完了時のメッセージを読み上げる

say-output.sh

#!/bin/bash
set -euo pipefail

input=$(cat)
[[ $(echo "$input" | jq -r '.stop_hook_active') == "true" ]] && exit 0

text=$(python3 -c "
import json
with open('$(echo "$input" | jq -r '.transcript_path')') as f:
    for entry in reversed([json.loads(l) for l in f if l.strip()]):
        if (msg := entry.get('message', {})).get('role') == 'assistant':
            if texts := [c['text'] for c in msg.get('content', []) if c.get('type') == 'text']:
                print(' '.join(texts)[:300]); break
" 2>/dev/null || echo "No message")

say "$text" && afplay /System/Library/Sounds/Glass.aiff 2>/dev/null &

settings.json

{
	"hooks": {
		"Stop": [
			{
				"matcher": "",
				"hooks": [
					{
						"type": "command",
						"command": "/Users/myuser/.claude/hooks/say-output.sh"
					}
				]
			}
		]
	}
}