xiaoski db609342f7 fix: char-boundary-safe name truncation in cron_add tool
The name fallback used byte-index slice on the prompt,
which panics on multi-byte UTF-8 characters like Chinese.
Use is_char_boundary() to find a safe truncation point.
2026-05-05 00:56:42 +08:00
..
2026-05-04 00:32:24 +08:00
2026-05-04 00:32:24 +08:00