test: cover per-session participant metadata refresh

cai

2026-08-08 cce5655f2f88e6541ba6f70cb68d183beba19ac9

 src/main.rs

@@ -3043,25 +3043,14 @@

                    if !was_in_speech && is_in_speech {
                        let turn_id = format!("turn-{:04}", vad.turn_index);
                        let ingress_metadata = match AudioIngressMetadata::from_participant(
                            &participant.attributes(),
                        ) {
                            Ok(value) => value,
                            Err(reason) => {
                                warn!(call_id = %call_id, trace_id = %trace_id,
                                    turn_id = %turn_id, metadata_status = "invalid", reason = reason,
                                    "runtime helper ignored invalid audio ingress metadata");
                                None
                            }
                        };
                        match RealtimeAsrUpload::start(
                        match RealtimeAsrUpload::start_with_participant_attributes(
                            http.clone(),
                            turn_bridge_config.realtime_asr_config(),
                            &call_id,
                            &trace_id,
                            &turn_id,
                            &vad.speech_samples,
                            ingress_metadata.as_ref(),
                            || participant.attributes(),
                        ) {
                            Ok(upload) => {
                                info!(