awb-agent-display-name

The <Manager>/<Agent> display-name contract for every surface that shows an agent — pickers, dropdowns, rosters, typing/status indicators, timelines, SSE frames, prompts. Use whenever code renders an agent's name, adds an agent picker, denormalizes an agent name into a payload or a DB column, or emits an event carrying an actor/agent name. Rendering a bare agent.name (or a raw agent id) is a bug, not a style choice…