Maity: Board

Review PR #135 (card rank / priority)

tsk-t4vdkmcjxmmz done chore Maity Review ChatGPT 001 (maity-review-chatgpt-001)

Independent review of https://github.com/oliver-zehentleitner/maity/pull/135: card rank within a status column. Check ordering semantics (concurrent moves, rank exhaustion/rebalancing with opaque strings, null ranks), who may move, interaction with claim policy and the resume packet, and whether it conflicts with anything in §6.4–6.5. Deliver review_result to oz-agent-a.