From f84a64bfe2acb1eca4f0380586727925d0abc886 Mon Sep 17 00:00:00 2001
From: josue <josuebass09@gmail.com>
Date: Sun, 22 Feb 2026 00:19:23 -0600
Subject: [PATCH] fix(types): narrow annotation type in
 ResponseOutputTextAnnotationAddedEvent

---
 src/resources/responses/responses.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/resources/responses/responses.ts b/src/resources/responses/responses.ts
index 5fe227e06..4526a2ea6 100644
--- a/src/resources/responses/responses.ts
+++ b/src/resources/responses/responses.ts
@@ -4924,7 +4924,11 @@ export interface ResponseOutputTextAnnotationAddedEvent {
   /**
    * The annotation object being added. (See annotation schema for details.)
    */
-  annotation: unknown;
+  annotation:
+    | ResponseOutputText.FileCitation
+    | ResponseOutputText.URLCitation
+    | ResponseOutputText.ContainerFileCitation
+    | ResponseOutputText.FilePath;
 
   /**
    * The index of the annotation within the content part.