From 3b26810c17bd2d8d57ce28c2d41c2333f00a16e5 Mon Sep 17 00:00:00 2001
From: wzxjohn <wzxjohn@users.noreply.github.com>
Date: Wed, 13 Aug 2025 09:57:06 +0800
Subject: [PATCH] fix(adaptor): missing first text delta while convert OpenAI
 to Claude

---
 service/convert.go | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/service/convert.go b/service/convert.go
index ea219c4f..b232ca39 100644
--- a/service/convert.go
+++ b/service/convert.go
@@ -248,9 +248,10 @@ func StreamResponseOpenAI2Claude(openAIResponse *dto.ChatCompletionsStreamRespon
 				},
 			})
 			claudeResponses = append(claudeResponses, &dto.ClaudeResponse{
-				Type: "content_block_delta",
+				Index: &info.ClaudeConvertInfo.Index,
+				Type:  "content_block_delta",
 				Delta: &dto.ClaudeMediaMessage{
-					Type: "text",
+					Type: "text_delta",
 					Text: common.GetPointer[string](openAIResponse.Choices[0].Delta.GetContentString()),
 				},
 			})