feat: SSH terminal - the agent connects by SSH to another host (password, key file or its own keys) and the shell opens in a tab with the connection's progress shown; host keys trusted on first use, a changed one refused

internal/agent/client.go

@@ -276,6 +276,10 @@ func (a *Agent) dispatch(ctx context.Context, msg proto.ControlMessage) {
 		go a.runForward(ctx, msg.SessionID, msg.Port)
 	case proto.CtrlTask:
 		go a.runTask(ctx, msg.TaskID)
+	case proto.CtrlOpenSSH:
+		if msg.SSH != nil {
+			go a.runSSH(ctx, msg.SessionID, *msg.SSH)
+		}
 	}
 }