The MoA reference-block display (each reference model's output shown as a
labelled thinking block before the aggregator responds) previously existed
only in the classic CLI. The facade already emits moa.reference / moa.aggregating
through tool_progress_callback; this wires the TUI and desktop consumers.
- tui_gateway/server.py: _on_tool_progress relays moa.reference (label / text /
index / count) and moa.aggregating to the Ink/desktop client as their own
events.
- ui-tui: gatewayTypes adds the two event shapes; createGatewayEventHandler
routes them; turnController.recordMoaReference pushes a committed
thinking-style segment tagged with the source model. Shown regardless of
showReasoning — references ARE the mixture-of-agents process the user opted
into, not ordinary reasoning. moa.aggregating is a status-only transition
(no transcript entry).
- apps/desktop: use-message-stream appends each reference as a labelled
reasoning chunk via the existing reasoning disclosure; GatewayEventPayload
gains label/index/aggregator.
Tests: tui_gateway emit (3), Ink handler render + showReasoning-independence +
aggregating-no-segment (3). TUI typecheck/lint clean; desktop typecheck/lint
clean.
