Keep iMessage native typing indicators alive through long tool-running gaps by bridging tool-start activity into the existing typing controller, while preserving typingMode and sendPolicy suppression semantics.
Real behavior proof was added from the live iMessage generated-image run: inbound id 5805, outgoing media reply id 5806, and requester-observed typing during the 84s tool path.
Co-authored-by: omarshahine <10343873+omarshahine@users.noreply.github.com>
Reviewed-by: @lobster