feat: upload user turns to asr stream

cai

2026-07-09 58a968bc9e632fc48a140afba514edf642e93fa6

 src/service.rs

@@ -404,6 +404,12 @@
        if let Some(value) = runtime.vad_post_greeting_delay_ms {
            command.env("CV_VAD_POST_GREETING_DELAY_MS", value.to_string());
        }
        if let Some(value) = runtime.asr_streaming_enabled {
            command.env("CV_RUNTIME_ASR_STREAM_ENABLED", value.to_string());
        }
        if let Some(value) = &runtime.asr_stream_url {
            command.env("CV_RUNTIME_ASR_STREAM_URL", value);
        }
        if let Some(true) = runtime.audio_debug_dump_enabled {
            if let Some(value) = &config.audio_debug_dump_dir {
                command.env("CV_AUDIO_DEBUG_DUMP_DIR", value);
@@ -968,6 +974,8 @@
    vad_initial_ignore_ms: Option<u64>,
    vad_post_greeting_delay_ms: Option<u64>,
    audio_debug_dump_enabled: Option<bool>,
    asr_streaming_enabled: Option<bool>,
    asr_stream_url: Option<String>,
}

#[derive(Default, Deserialize)]