From ecc88e19f9cc1d41086ddb93019501ed57ada386 Mon Sep 17 00:00:00 2001
From: clawsweeper <274271284+clawsweeper[bot]@users.noreply.github.com>
Date: Fri, 5 Jun 2026 04:00:02 +0000
Subject: [PATCH] fix(openai): accept missing content-type on ChatGPT Responses
 SSE stream

---
 src/agents/provider-transport-fetch.test.ts | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/agents/provider-transport-fetch.test.ts b/src/agents/provider-transport-fetch.test.ts
index 322d1aa12128..e995a441cc84 100644
--- a/src/agents/provider-transport-fetch.test.ts
+++ b/src/agents/provider-transport-fetch.test.ts
@@ -300,7 +300,12 @@ describe("buildGuardedModelFetch", () => {
     );
 
     expect(response.headers.get("content-type")).toContain("text/event-stream");
-    await expect(response.text()).resolves.toContain("response.created");
+    const items = [];
+    for await (const item of Stream.fromSSEResponse(response, new AbortController())) {
+      items.push(item);
+    }
+
+    expect(items).toEqual([{ ok: true }]);
     expect(release).toHaveBeenCalledTimes(1);
   });