fix: use TypeEvents for CmdEventDS cloud event type (#249)

CmdEventDS was returning cloudevent.TypeEvent ("dimo.event") but the DIS
event processor filters on cloudevent.TypeEvents ("dimo.events"), causing
command events (engine block/unblock) to be silently dropped.

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

Author: JamesReate

pkg/ruptela/module.go

@@ -119,7 +119,7 @@ func createCloudEventHdr(event *RuptelaEvent, producer, subject, eventType strin
 func getCloudEventTypes(event *RuptelaEvent) ([]string, error) {
 	// Command events are always discrete events, never status updates.
 	if event.DS == CmdEventDS {
-		return []string{cloudevent.TypeEvent}, nil
+		return []string{cloudevent.TypeEvents}, nil
 	}
 	// always include the status event
 	cloudEventTypes := []string{cloudevent.TypeStatus}