Add context to NewPublisher, improve logging levels, dispatch events on publish, and refine envelope handling

fixes a panic from the nil context

app/handle-event.go

@@ -57,6 +57,7 @@ func (l *Listener) HandleEvent(c context.Context, msg []byte) (
 	if _, _, err = l.SaveEvent(c, env.E, false, nil); chk.E(err) {
 		return
 	}
+	l.publishers.Deliver(env.E)
 	// Send a success response storing
 	if err = Ok.Ok(l, env, ""); chk.E(err) {
 		return