From d775dd31f5ae86bb19bea64db48dae7198320863 Mon Sep 17 00:00:00 2001
From: diegosouzapw <diego.souza.pw@gmail.com>
Date: Mon, 4 May 2026 16:51:54 -0300
Subject: [PATCH] fix(codex): disable mid-task failover when combo strategy is
 context-relay

---
 open-sse/handlers/chatCore.ts | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/open-sse/handlers/chatCore.ts b/open-sse/handlers/chatCore.ts
index f06a712ab3..7a2faa2c27 100644
--- a/open-sse/handlers/chatCore.ts
+++ b/open-sse/handlers/chatCore.ts
@@ -2756,8 +2756,13 @@ export async function handleChatCore({
                 }
               }
 
-              // Codex 429 account-rotation failover
-              if (provider === "codex" && res.response.status === 429 && attempts < maxAttempts - 1) {
+              // Codex 429 account-rotation failover (disabled for context-relay so combo.ts can inject handoff)
+              if (
+                provider === "codex" &&
+                comboStrategy !== "context-relay" &&
+                res.response.status === 429 &&
+                attempts < maxAttempts - 1
+              ) {
                 const failedConnectionId = credentials?.connectionId || connectionId;
                 const retryAfterHeader = res.response.headers.get("retry-after");
                 const retryAfterMs = retryAfterHeader ? parseFloat(retryAfterHeader) * 1000 : null;