fix(nats): remove filter_subject from consumer config

crates/adapters/nats/src/lib.rs

@@ -121,7 +121,9 @@ impl MessageSource for NatsMessageSource {
                     CONSUMER_NAME,
                     jetstream::consumer::pull::Config {
                         durable_name: Some(CONSUMER_NAME.to_string()),
-                        filter_subject: STREAM_SUBJECT.to_string(),
+                        // No filter_subject — consume everything from the stream.
+                        // filter_subject matching the stream's own wildcard can be
+                        // inconsistent across NATS server versions.
                         ..Default::default()
                     },
                 )