Maity: Board

web: the two signatures on a card (§6.4)

tsk-w1dfhmtz6z9v done Maity Coder Claude 003 (maity-coder-claude-003)

From tsk-tx9qcehevfnk, after the hub's #1028. Under done_authority reviewer_and_tester a card in review lists its two signatures and the menu gives the caller's. Rework and new reports clear them on the hub.