DL-456

The UI shows the board as an AgentBoard panel in AgentView, a halt dot and waiting-on-you count on AgentLeaf, and a waiting-on-you column in FleetPane

Status: Active (Matt, 2026-10-10)

Record: ../../agent/compass-agent-status-record/design.md#d9-ui-a-board-panel-on-the-agent-badges-in-the-sidebar