diff --git a/codex-rs/core/src/client.rs b/codex-rs/core/src/client.rs
index 137554c934..f437ef807b 100644
--- a/codex-rs/core/src/client.rs
+++ b/codex-rs/core/src/client.rs
@@ -680,6 +680,33 @@ fn parse_header_str<'a>(headers: &'a HeaderMap, name: &str) -> Option<&'a str> {
     headers.get(name)?.to_str().ok()
 }
 
+async fn emit_completed(
+    tx_event: &mpsc::Sender<Result<ResponseEvent>>,
+    otel_event_manager: &OtelEventManager,
+    completed: ResponseCompleted,
+) {
+    if let Some(token_usage) = &completed.usage {
+        otel_event_manager.sse_event_completed(
+            token_usage.input_tokens,
+            token_usage.output_tokens,
+            token_usage
+                .input_tokens_details
+                .as_ref()
+                .map(|d| d.cached_tokens),
+            token_usage
+                .output_tokens_details
+                .as_ref()
+                .map(|d| d.reasoning_tokens),
+            token_usage.total_tokens,
+        );
+    }
+    let event = ResponseEvent::Completed {
+        response_id: completed.id.clone(),
+        token_usage: completed.usage.map(Into::into),
+    };
+    let _ = tx_event.send(Ok(event)).await;
+}
+
 async fn process_sse<S>(
     stream: S,
     tx_event: mpsc::Sender<Result<ResponseEvent>>,
@@ -692,7 +719,7 @@ async fn process_sse<S>(
 
     // If the stream stays completely silent for an extended period treat it as disconnected.
     // The response id returned from the "complete" message.
-    let mut response_completed: Option<ResponseCompleted> = None;
+    let response_completed: Option<ResponseCompleted> = None;
     let mut response_error: Option<CodexErr> = None;
 
     loop {
@@ -711,30 +738,8 @@ async fn process_sse<S>(
             }
             Ok(None) => {
                 match response_completed {
-                    Some(ResponseCompleted {
-                        id: response_id,
-                        usage,
-                    }) => {
-                        if let Some(token_usage) = &usage {
-                            otel_event_manager.sse_event_completed(
-                                token_usage.input_tokens,
-                                token_usage.output_tokens,
-                                token_usage
-                                    .input_tokens_details
-                                    .as_ref()
-                                    .map(|d| d.cached_tokens),
-                                token_usage
-                                    .output_tokens_details
-                                    .as_ref()
-                                    .map(|d| d.reasoning_tokens),
-                                token_usage.total_tokens,
-                            );
-                        }
-                        let event = ResponseEvent::Completed {
-                            response_id,
-                            token_usage: usage.map(Into::into),
-                        };
-                        let _ = tx_event.send(Ok(event)).await;
+                    Some(completed) => {
+                        emit_completed(&tx_event, &otel_event_manager, completed).await
                     }
                     None => {
                         let error = response_error.unwrap_or(CodexErr::Stream(
@@ -864,26 +869,7 @@ async fn process_sse<S>(
                 if let Some(resp_val) = event.response {
                     match serde_json::from_value::<ResponseCompleted>(resp_val) {
                         Ok(r) => {
-                            if let Some(token_usage) = &r.usage {
-                                otel_event_manager.sse_event_completed(
-                                    token_usage.input_tokens,
-                                    token_usage.output_tokens,
-                                    token_usage
-                                        .input_tokens_details
-                                        .as_ref()
-                                        .map(|d| d.cached_tokens),
-                                    token_usage
-                                        .output_tokens_details
-                                        .as_ref()
-                                        .map(|d| d.reasoning_tokens),
-                                    token_usage.total_tokens,
-                                );
-                            }
-                            let event = ResponseEvent::Completed {
-                                response_id: r.id.clone(),
-                                token_usage: r.usage.map(Into::into),
-                            };
-                            let _ = tx_event.send(Ok(event)).await;
+                            emit_completed(&tx_event, &otel_event_manager, r).await;
                             return;
                         }
                         Err(e) => {