Phase-2 interaction-model wireframes (D-77): the team cockpit sidebar and
the expanded team-chat pane (message inbox, @-routing, interrupt tickbox,
per-agent permission-mode badge), and the Claude sidebar reorganised into
Activity / Team / Config sub-tabs. Referenced by T-180..T-183.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
