log

host module

Structured logging with step context attached — debug/info/warn/error.

use log — structured logging; messages carry step context into the terminal output and the NDJSON file log. Raw print/println are redirected into log::info (stdout stays clean for --json); shell::run_streaming pipes a long command's output through log live.

function	signature
debug	(string)
info	(string)
warn	(string)
error	(string)