Was previously a dead stub (TODO: implement). This real implementation is the foundation for live heartbeats, ping RTT, and the device command ack flow that later commits build on. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Was previously a dead stub (TODO: implement). This real implementation is the foundation for live heartbeats, ping RTT, and the device command ack flow that later commits build on. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>