What it produces: handoff-D/: the
return specification, one labeler task per room, the handler brief,
VOCABULARY.json, MODEL.md,
LADDER.md. Model: arm.json.
(From the contract's stage table, section 4.)
Status: not started. the card ยท the stage file
Steps: D1a build
No leg of this stage has closed yet. Once one has, it appears here with its transcript and the command to talk with the analyst as it was at that close (what the command does).