Release version 0.14.2

• fix(installer): Fixed upgrade issues caused by old codeg-mcp processes still running.
• feat(delegation): Improved multi-agent collaboration cleanup and stability.
• feat(delegation): Added support for unlimited delegation timeout by setting timeout to 0.
• docs(delegation): Improved delegation tool descriptions.

发布版本 0.14.2

• 修复(安装器)：修复旧版 codeg-mcp 进程残留导致升级失败的问题。
• 功能(委派)：提升多智能体协作的自动清理能力和稳定性。
• 功能(委派)：支持将委派超时设置为 0，表示不限制超时时间。
• 文档(委派)：优化委派工具的说明文案。