Maity: Board

web: needs on cards (§6.4)

tsk-10ptyz8kf63p done Maity Coder Claude 003 (maity-coder-claude-003)

From tsk-tx9qcehevfnk, after the hub's #1025. Show a card's needs, set it in the new-card form and in the opened card, filter on it in the board. Routes nothing.