Reads Conventional Commits or a changelog snippet, classifies fix/feat/breaking changes, and recommends the next SemVer bump (patch, minor, or major) with a clear rationale and a preview of the resulting version. Use when a user asks "what version should I ship?", "is this a breaking change?", or "bump SemVer from these commits". Includes a tested stdlib Python advisor. 来源：https://prompts.chat/prompts/cmv7sahy90008l306sli0i6rq
Explains any cron expression in plain English, lists the next run times, and flags pitfalls such as the day-of-month OR day-of-week rule, dates that never occur, DST gaps, UTC versus local time, and overlapping jobs. Includes a tested stdlib Python checker for crontab files. 来源：https://prompts.chat/prompts/cmuz81jmz0004jt044gf2o9xs
