It does not write anything in plan mode, it's documented here it has only readonly tools available in plan mode: https://docs.anthropic.com/en/docs/claude-code/

It does not write anything in plan mode, it's documented here it has only readonly tools available in plan mode: https://docs.anthropic.com/en/docs/claude-code/common-workflows#use-plan-mode-for-safe-code-analysis https://docs.anthropic.com/en/docs/claude-code/common-workfl... But here are fine prints, it has "exit plan mode" tool, documented here: https://minusx.ai/blog/decoding-claude-code/#appendix https://minusx.ai/blog/decoding-claude-code/#appendix So it can exit plan mode on its own and you wouldn't know!