---
name: the-system-board
description: "Use before proposing or updating System board state through system_board_propose or system_board_update."
---

# The System board contract

Board state lives only in `.system/board.json` at schema version 0.
Specs and plans use `todo|done`; issues use `open|done`.
A spec may be done without plans, but cannot be done while any linked plan is todo.
Issues never change spec state.
Assessment proposes board changes for human review; it never applies them.
Exec applies verified states directly through `system_board_update`, recorded with source agent and a terse evidence note.
Claim a state only from verification you ran and read; the human overrides any entry in `/system board`.