How to fork a Claude Code or Codex session to try another approach

The agent has a plan, and it's halfway through. You want to see what the other approach looks like, the one you talked it out of an hour ago. If you ask in the same session, you pollute the context it has built up. If you start a new session, you lose that context. A fork gives you both. It copies the conversation so far into a new session, and... Weiterlesen