From 0309e5880a59435ead750d8da7aed41870210afe Mon Sep 17 00:00:00 2001
From: conorbranagan <119252915+conorbranagan@users.noreply.github.com>
Date: Tue, 16 Dec 2025 10:28:57 -0500
Subject: [PATCH] feat(sdk): add xhigh reasoning effort support to TypeScript
 SDK

Add "xhigh" to the ModelReasoningEffort type to match the Rust backend
which already supports this reasoning level for models like gpt-5.1-codex-max.
---
 sdk/typescript/src/threadOptions.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sdk/typescript/src/threadOptions.ts b/sdk/typescript/src/threadOptions.ts
index d81ffc60c77c..6fdf45447302 100644
--- a/sdk/typescript/src/threadOptions.ts
+++ b/sdk/typescript/src/threadOptions.ts
@@ -2,7 +2,7 @@ export type ApprovalMode = "never" | "on-request" | "on-failure" | "untrusted";
 
 export type SandboxMode = "read-only" | "workspace-write" | "danger-full-access";
 
-export type ModelReasoningEffort = "minimal" | "low" | "medium" | "high";
+export type ModelReasoningEffort = "minimal" | "low" | "medium" | "high" | "xhigh";
 
 export type ThreadOptions = {
   model?: string;