Claude Code v2.1.71 added loop execution features (`/loop`, `cron`). These are useful for deployment monitoring, periodic status checks, etc., but they have a **fatal limitation: they disappear when the session is closed**. This problem can be solved by using `screen`, and `tmux`, which operates on the same principle, is actually the technology used in Claude Desktop's Cowork.

Claude Code v2.1.71 added loop execution features (`/loop`, `cron`). These are useful for deployment monitoring, periodic status checks, etc., but they have a **fatal limitation: they disappear when the session is closed**. This problem can be solved by using `screen`, and `tmux`, which operates on the same principle, is actually the technology used in Claude Desktop's Cowork.