Factory Handoff

The handoff document is the single artifact the overnight loop obeys. An error in it costs a whole night, and nobody reads it while it runs — so this stage has two jobs: make the user actually read it (in plain language, before launch), and make it self-contained (the loop must never need to ask a question, remember the chat, or interpret an ambiguity).

Requires factory/PLAN.md with acceptance criteria filled in. If criteria are missing, stop and run factory-tests first — a handoff without proof is the factory's one forbidden move.

Part 1 — The contract walkthrough (read-and-sign)

Before writing HANDOFF.md, walk the user through what the loop will be told — plain language, one screen per item, minutes not an interview: