From a78605f8ea1a6e56cab516c20d9b3311cd0ce0b1 Mon Sep 17 00:00:00 2001
From: Aiden Cline <63023139+rekram1-node@users.noreply.github.com>
Date: Tue, 26 May 2026 19:16:07 -0500
Subject: [PATCH] fix(plugin): use codex session-id header (#29471)

---
 packages/opencode/src/plugin/codex.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/opencode/src/plugin/codex.ts b/packages/opencode/src/plugin/codex.ts
index df4b4d0d5c..bbd65e0f00 100644
--- a/packages/opencode/src/plugin/codex.ts
+++ b/packages/opencode/src/plugin/codex.ts
@@ -638,7 +638,7 @@ export async function CodexAuthPlugin(input: PluginInput, options: CodexAuthPlug
       if (input.model.providerID !== "openai") return
       output.headers.originator = "opencode"
       output.headers["User-Agent"] = `opencode/${InstallationVersion} (${os.platform()} ${os.release()}; ${os.arch()})`
-      output.headers.session_id = input.sessionID
+      output.headers["session-id"] = input.sessionID
     },
     "chat.params": async (input, output) => {
       if (input.model.providerID !== "openai") return