Extend the Shared Hub Dashboard beyond aggregate counters with a 2D task timeline/collaboration view. Visualize messages, wakes, workflow transitions, provider calls, tool activity, and handoffs by task and agent. Acceptance: a user can select a task, inspect its ordered events, filter by agent/event type, and identify paused or failed transitions.
Extend the Shared Hub Dashboard beyond aggregate counters with a 2D task timeline/collaboration view. Visualize messages, wakes, workflow transitions, provider calls, tool activity, and handoffs by task and agent. Acceptance: a user can select a task, inspect its ordered events, filter by agent/event type, and identify paused or failed transitions.