Cloudflare turn integration (#264)

* Turn integration

* Add code:

* type hint

* Fix typehint

* add code

* format

* WIP

* trickle ice

* bump version

* Better docs

* Modify

* code

* Mute icon for whisper

* Add code

* llama 4 demo

* code

* OpenAI interruptions

* fix docs

frontend/shared/InteractiveAudio.svelte

@@ -73,6 +73,7 @@
 
   export let server: {
     offer: (body: any) => Promise<any>;
+    turn: () => Promise<any>;
   };
 
   let stream_state: "open" | "closed" | "waiting" = "closed";
@@ -148,7 +149,17 @@
     }
     _webrtc_id = Math.random().toString(36).substring(2);
     value = _webrtc_id;
+    stream_state = "waiting";
+    await server.turn().then((rtc_configuration_) => {
+      if (rtc_configuration_.error) {
+        dispatch("error", rtc_configuration_.error);
+        return;
+      }
+      rtc_configuration = rtc_configuration_;
+      console.info("rtc_configuration", rtc_configuration_);
+    });
     pc = new RTCPeerConnection(rtc_configuration);
+    console.info("created");
     pc.addEventListener("connectionstatechange", async (event) => {
       switch (pc.connectionState) {
         case "connected":
@@ -173,7 +184,6 @@
           break;
       }
     });
-    stream_state = "waiting";
     stream = null;
 
     try {

frontend/shared/StaticVideo.svelte

@@ -40,6 +40,14 @@
 
   $: if (value === "start_webrtc_stream") {
     _webrtc_id = Math.random().toString(36).substring(2);
+    server
+      .turn()
+      .then((rtc_configuration_) => {
+        rtc_configuration = rtc_configuration_;
+      })
+      .catch((error) => {
+        dispatch("error", error);
+      });
     value = _webrtc_id;
     pc = new RTCPeerConnection(rtc_configuration);
     pc.addEventListener("connectionstatechange", async (event) => {