fix(proxy-engine): improve inbound SIP routing diagnostics and enrich leg media state reporting

rust/vendor/kokoro-tts/examples/synth_directly_v11.rs

@@ -0,0 +1,21 @@
+use {
+    kokoro_tts::{KokoroTts, Voice},
+    voxudio::AudioPlayer,
+};
+
+#[tokio::main]
+async fn main() -> anyhow::Result<()> {
+    let tts = KokoroTts::new("kokoro-v1.1-zh.onnx", "voices-v1.1-zh.bin").await?;
+    let (audio, took) = tts
+        .synth(
+            "Hello, world!你好，我们是一群追逐梦想的人。我正在使用qq。",
+            Voice::Zm045(1),
+        )
+        .await?;
+    println!("Synth took: {:?}", took);
+    let mut player = AudioPlayer::new()?;
+    player.play()?;
+    player.write::<24000>(&audio, 1).await?;
+
+    Ok(())
+}