feat: enhance Claude to OpenAI request conversion with additional relay info support

relay/channel/openai/adaptor.go

@@ -36,7 +36,7 @@ func (a *Adaptor) ConvertClaudeRequest(c *gin.Context, info *relaycommon.RelayIn
 	if !strings.Contains(request.Model, "claude") {
 		return nil, fmt.Errorf("you are using openai channel type with path /v1/messages, only claude model supported convert, but got %s", request.Model)
 	}
-	aiRequest, err := service.ClaudeToOpenAIRequest(*request)
+	aiRequest, err := service.ClaudeToOpenAIRequest(*request, info)
 	if err != nil {
 		return nil, err
 	}

service/convert.go

@@ -6,9 +6,10 @@ import (
 	"one-api/common"
 	"one-api/dto"
 	relaycommon "one-api/relay/common"
+	"strings"
 )
 
-func ClaudeToOpenAIRequest(claudeRequest dto.ClaudeRequest) (*dto.GeneralOpenAIRequest, error) {
+func ClaudeToOpenAIRequest(claudeRequest dto.ClaudeRequest, info *relaycommon.RelayInfo) (*dto.GeneralOpenAIRequest, error) {
 	openAIRequest := dto.GeneralOpenAIRequest{
 		Model:       claudeRequest.Model,
 		MaxTokens:   claudeRequest.MaxTokens,
@@ -17,6 +18,13 @@ func ClaudeToOpenAIRequest(claudeRequest dto.ClaudeRequest) (*dto.GeneralOpenAIR
 		Stream:      claudeRequest.Stream,
 	}
 
+	if claudeRequest.Thinking != nil {
+		if strings.HasSuffix(info.OriginModelName, "-thinking") &&
+			!strings.HasSuffix(claudeRequest.Model, "-thinking") {
+			openAIRequest.Model = openAIRequest.Model + "-thinking"
+		}
+	}
+
 	// Convert stop sequences
 	if len(claudeRequest.StopSequences) == 1 {
 		openAIRequest.Stop = claudeRequest.StopSequences[0]
@@ -300,8 +308,10 @@ func StreamResponseOpenAI2Claude(openAIResponse *dto.ChatCompletionsStreamRespon
 						}
 					} else {
 						if info.ClaudeConvertInfo.LastMessagesType != relaycommon.LastMessageTypeText {
-							claudeResponses = append(claudeResponses, generateStopBlock(info.ClaudeConvertInfo.Index))
-							info.ClaudeConvertInfo.Index++
+							if info.LastMessagesType == relaycommon.LastMessageTypeThinking || info.LastMessagesType == relaycommon.LastMessageTypeTools {
+								claudeResponses = append(claudeResponses, generateStopBlock(info.ClaudeConvertInfo.Index))
+								info.ClaudeConvertInfo.Index++
+							}
 							claudeResponses = append(claudeResponses, &dto.ClaudeResponse{
 								Index: &info.ClaudeConvertInfo.Index,
 								Type:  "content_block_start",