Latest Message

Persist the last agent message to disk for cross-agent visibility.

Instructions

1. Parse the user's input after /cmd-latest-msg.

2. help (or no argument) — print usage and stop:

   Usage:
     /cmd-latest-msg save             — save your last message
     /cmd-latest-msg use              — read latest from the current agent
     /cmd-latest-msg use <agent>      — read latest from claude|codex|gemini
     /cmd-latest-msg help             — show this usage
   

3. save — save the last assistant message: