From 0c0929ed9d14307f8acff55e252a368c3dd66bfc Mon Sep 17 00:00:00 2001
From: zhangbowen09 <zhangbowen09@baidu.com>
Date: Fri, 17 Oct 2025 22:59:16 +0800
Subject: [PATCH] refactor: broaden haiku background routing

---
 src/utils/router.ts | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/utils/router.ts b/src/utils/router.ts
index b783aff..05390c9 100644
--- a/src/utils/router.ts
+++ b/src/utils/router.ts
@@ -114,9 +114,10 @@ const getUseModel = async (
       return model[1];
     }
   }
-  // If the model is claude-3-5-haiku, use the background model
+  // Use the background model for any Claude Haiku variant
   if (
-    req.body.model?.startsWith("claude-3-5-haiku") &&
+    req.body.model?.includes("claude") &&
+    req.body.model?.includes("haiku") &&
     config.Router.background
   ) {
     req.log.info(`Using background model for ${req.body.model}`);