Both loggers previously only wrote their JSON log on their end trigger (shutdown / Stop-or-DONE), losing the whole session/run's data on a hard crash or power loss. Add a log_interval (config.json, default 300s) that rewrites the same file whole every N seconds in between. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01TvgC7oy9MxaA4ZQxXqkNdS