From 8a44ff396ff5f9e6ea74fe0f13c6589f970461fe Mon Sep 17 00:00:00 2001
From: Enrico Ros <enrico.ros@gmail.com>
Date: Fri, 23 Jan 2026 10:16:59 -0800
Subject: [PATCH] AIX: XAI: relax annotation title presence

---
 src/modules/aix/server/dispatch/wiretypes/openai.wiretypes.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/modules/aix/server/dispatch/wiretypes/openai.wiretypes.ts b/src/modules/aix/server/dispatch/wiretypes/openai.wiretypes.ts
index d2086ad05..8c25f24b7 100644
--- a/src/modules/aix/server/dispatch/wiretypes/openai.wiretypes.ts
+++ b/src/modules/aix/server/dispatch/wiretypes/openai.wiretypes.ts
@@ -996,7 +996,7 @@ export namespace OpenAIWire_Responses_Items {
     annotations: z.array(z.object({
       type: z.literal('url_citation'),
       url: z.string(),
-      title: z.string(),
+      title: z.string().optional(), // [xAI] xAI doesn't always send title
       start_index: z.int().optional(),
       end_index: z.int().optional(),
     })).optional(),