sendAndWaitForSent
Sends a command and completes with the SENT stage result as soon as the command bus accepts it.
The SENT signal is synthesized by this gateway itself once CommandBus.send completes, so this fast path skips the wait plan propagation, handle allocation, and wait-header propagation that sendAndWait requires. Downstream stage notifiers see no wait headers and therefore stay no-op, which matches the SENT-only contract: no stage after SENT is ever waited on.
Return
A Mono emitting the SENT stage CommandResult.
Parameters
command
The command message to send.
Type Parameters
C
The type of the command body.
Throws
if the pre-send checks fail or the command bus rejects the command.