{"title":"Calculate Personal Day","fields":[{"key":"month","name":"month","kind":"number","required":true,"description":"Birth month (1-12)","min":1,"max":12,"example":7},{"key":"day","name":"day","kind":"number","required":true,"description":"Birth day (1-31)","min":1,"max":31,"example":18},{"key":"targetDate","name":"targetDate","kind":"date","required":false,"description":"Target date in YYYY-MM-DD format. Defaults to today (UTC).","example":"2026-04-04"}],"hasLang":true}