codex: address PR review feedback (#13681)

Do not reuse the websocket upgrade request ID as per-turn rollout metadata for later stream requests.

Co-authored-by: Codex <noreply@openai.com>

codex-rs/codex-api/src/endpoint/responses_websocket.rs

@@ -3,7 +3,6 @@ use crate::auth::add_auth_headers_to_header_map;
 use crate::common::ResponseEvent;
 use crate::common::ResponseStream;
 use crate::common::ResponsesWsRequest;
-use crate::common::extract_request_id;
 use crate::error::ApiError;
 use crate::provider::Provider;
 use crate::rate_limits::parse_rate_limit_event;
@@ -175,7 +174,6 @@ pub struct ResponsesWebsocketConnection {
     server_reasoning_included: bool,
     models_etag: Option<String>,
     server_model: Option<String>,
-    request_id: Option<String>,
     telemetry: Option<Arc<dyn WebsocketTelemetry>>,
 }
 
@@ -187,7 +185,6 @@ impl std::fmt::Debug for ResponsesWebsocketConnection {
             .field("server_reasoning_included", &self.server_reasoning_included)
             .field("models_etag", &self.models_etag)
             .field("server_model", &self.server_model)
-            .field("request_id", &self.request_id)
             .field("telemetry", &self.telemetry.as_ref().map(|_| "<telemetry>"))
             .finish()
     }
@@ -200,7 +197,6 @@ impl ResponsesWebsocketConnection {
         server_reasoning_included: bool,
         models_etag: Option<String>,
         server_model: Option<String>,
-        request_id: Option<String>,
         telemetry: Option<Arc<dyn WebsocketTelemetry>>,
     ) -> Self {
         Self {
@@ -209,7 +205,6 @@ impl ResponsesWebsocketConnection {
             server_reasoning_included,
             models_etag,
             server_model,
-            request_id,
             telemetry,
         }
     }
@@ -229,7 +224,6 @@ impl ResponsesWebsocketConnection {
         let server_reasoning_included = self.server_reasoning_included;
         let models_etag = self.models_etag.clone();
         let server_model = self.server_model.clone();
-        let request_id = self.request_id.clone();
         let telemetry = self.telemetry.clone();
         let request_body = serde_json::to_value(&request).map_err(|err| {
             ApiError::Stream(format!("failed to encode websocket request: {err}"))
@@ -274,7 +268,10 @@ impl ResponsesWebsocketConnection {
 
         Ok(ResponseStream {
             rx_event,
-            initial_request_id: request_id,
+            // Websocket upgrade response headers are scoped to the connection, not
+            // individual `stream_request` calls, so they cannot be used as per-turn
+            // request IDs in rollout metadata.
+            initial_request_id: None,
         })
     }
 }
@@ -305,7 +302,7 @@ impl<A: AuthProvider> ResponsesWebsocketClient<A> {
             merge_request_headers(&self.provider.headers, extra_headers, default_headers);
         add_auth_headers_to_header_map(&self.auth, &mut headers);
 
-        let (stream, server_reasoning_included, models_etag, server_model, request_id) =
+        let (stream, server_reasoning_included, models_etag, server_model) =
             connect_websocket(ws_url, headers, turn_state.clone()).await?;
         Ok(ResponsesWebsocketConnection::new(
             stream,
@@ -313,7 +310,6 @@ impl<A: AuthProvider> ResponsesWebsocketClient<A> {
             server_reasoning_included,
             models_etag,
             server_model,
-            request_id,
             telemetry,
         ))
     }
@@ -338,16 +334,7 @@ async fn connect_websocket(
     url: Url,
     headers: HeaderMap,
     turn_state: Option<Arc<OnceLock<String>>>,
-) -> Result<
-    (
-        WsStream,
-        bool,
-        Option<String>,
-        Option<String>,
-        Option<String>,
-    ),
-    ApiError,
-> {
+) -> Result<(WsStream, bool, Option<String>, Option<String>), ApiError> {
     ensure_rustls_crypto_provider();
     info!("connecting to websocket: {url}");
 
@@ -389,7 +376,6 @@ async fn connect_websocket(
         .get(OPENAI_MODEL_HEADER)
         .and_then(|value| value.to_str().ok())
         .map(ToString::to_string);
-    let request_id = extract_request_id(response.headers());
     if let Some(turn_state) = turn_state
         && let Some(header_value) = response
             .headers()
@@ -403,7 +389,6 @@ async fn connect_websocket(
         reasoning_included,
         models_etag,
         server_model,
-        request_id,
     ))
 }