Collaborate with the user asynchronously through a shared markdown file in the working tree. The agent writes questions or proposals in the file and stops; the human replies at their own pace, freeform. Use when the user mentions "lazychat" or asks to "discuss in a file", when the task has several entangled decisions better thought through than chatted through, or when the user may want to step away and reply later. Do NOT use for single-question decisions, bug fixes, or when the user is actively present and driving.
2026-05-05