more api logging

Author: yujonglee

apps/api/src/stt/connection.ts

@@ -105,6 +105,8 @@ export class WsProxyConnection {
       return;
     }
 
+    console.log("[ws-proxy] connecting to upstream:", this.upstreamUrl);
+
     const wsOptions: WebSocketOptions =
       this.headers && Object.keys(this.headers).length > 0
         ? { headers: this.headers }
@@ -282,6 +284,12 @@ export class WsProxyConnection {
     });
 
     this.upstream.addEventListener("close", (event) => {
+      console.log("[ws-proxy] upstream closed:", {
+        url: this.upstreamUrl,
+        code: event.code,
+        reason: event.reason,
+        wasReady: this.upstreamReady,
+      });
       this.clearErrorTimeout();
       if (!this.upstreamReady) {
         this.rejectUpstreamReadyWaiters(
@@ -298,10 +306,17 @@ export class WsProxyConnection {
     });
 
     this.upstream.addEventListener("error", (error) => {
+      console.error("[ws-proxy] upstream error:", {
+        url: this.upstreamUrl,
+        errorType: error?.constructor?.name,
+        message: error instanceof Error ? error.message : String(error),
+        readyState: this.upstream?.readyState,
+      });
       Sentry.captureException(
         error instanceof Error ? error : new Error("upstream_websocket_error"),
         {
           tags: { operation: "upstream_error" },
+          extra: { upstreamUrl: this.upstreamUrl },
         },
       );
       if (!this.upstreamReady) {