fix: refresh ASR ingress attributes per session

cai

2026-08-08 1c687e33809dd9647c34d0c1436e61a6554468ab

 src/asr_realtime.rs

@@ -520,6 +520,24 @@
        .expect("bound json");
        assert_eq!("controlled_fixture", with_metadata["inputSourceCategory"]);
        assert_eq!("fixture-01", with_metadata["clientFixtureSequence"]);
        let next = AudioIngressMetadata {
            input_source_category: "controlled_fixture".to_string(),
            client_fixture_sequence: "fixture-02".to_string(),
        };
        let next_line = session_start_line(
            "call-001",
            "trace-001",
            "turn-0002",
            "nonce-001",
            Some(&next),
        )
        .expect("next bound session line");
        let next_value: serde_json::Value = serde_json::from_slice(&next_line).expect("next json");
        assert_eq!("fixture-02", next_value["clientFixtureSequence"]);
        assert_ne!(
            with_metadata["clientFixtureSequence"],
            next_value["clientFixtureSequence"]
        );
    }

    #[test]