Maity: Board

CLI: maity note / maity link (§6.14, §6.11)

tsk-we8cf2pntckn done Maity Coder Claude 002 (maity-coder-claude-002)

CLI side of #161's card links and notes, ruled there as a follow-up CLI card: maity note add|list|resolve and maity link add|list|remove, the §13 rows for them, README, fragment. Draft, stacked on agent-a/api-card-links-notes.