changelogs/v4.21.0.md
skill.md 文件为 SKILL.md。(#6757)kook_type 中 StrEnum 到 (str, Enum) 以兼容旧版本 Python。(#6512)items 字段的问题。(#6051)tool_call_timeout 并将默认超时从 60 秒提升到 120 秒。(#6713)skills-like 下缺失 extra_user_content_parts 时未注入图片说明的问题。(#6710)/stop 后继续处理后续 follow-up 消息的问题。(#6704)PATHEXT 丢失的问题。(#5822)/stop 后 follow-up 状态未清理导致后续触发继续运行的问题。(#6656)400 的问题。(#6581)dimensions,避免无效参数干扰。(#6432)register_agent 装饰器导致的 NameError。(#5765)SKILL.md 多行 frontmatter 解析问题。(#6460)database is locked 问题,新增繁忙超时处理。(#6474)skill.md files to SKILL.md.StrEnum to (str, Enum) in kook_type for backward compatibility.items.tool_call_timeout to subagent handsoff/cron/background tasks and increased default timeout to 120 seconds.skills-like re-query missing extra_user_content_parts causing image caption not injected./stop request.PATHEXT for stdio MCP servers on Windows./stop trigger.400 for some providers.register_agent decorator NameError.SKILL.md.database is locked with busy timeout.