fix(adaptor): enhance response handling and error logging for Claude format

relay/channel/ollama/adaptor.go

@@ -23,6 +23,9 @@ func (a *Adaptor) ConvertClaudeRequest(c *gin.Context, info *relaycommon.RelayIn
 	if err != nil {
 		return nil, err
 	}
+	openaiRequest.(*dto.GeneralOpenAIRequest).StreamOptions = &dto.StreamOptions{
+		IncludeUsage: true,
+	}
 	return requestOpenAI2Ollama(openaiRequest.(*dto.GeneralOpenAIRequest))
 }
 
@@ -82,15 +85,6 @@ func (a *Adaptor) DoRequest(c *gin.Context, info *relaycommon.RelayInfo, request
 }
 
 func (a *Adaptor) DoResponse(c *gin.Context, resp *http.Response, info *relaycommon.RelayInfo) (usage any, err *types.NewAPIError) {
-	if info.IsStream {
-		usage, err = openai.OaiStreamHandler(c, info, resp)
-	} else {
-		if info.RelayMode == relayconstant.RelayModeEmbeddings {
-			usage, err = ollamaEmbeddingHandler(c, info, resp)
-		} else {
-			usage, err = openai.OpenaiHandler(c, info, resp)
-		}
-	}
 	switch info.RelayMode {
 	case relayconstant.RelayModeEmbeddings:
 		usage, err = ollamaEmbeddingHandler(c, info, resp)

relay/channel/openai/helper.go

@@ -27,7 +27,7 @@ func handleStreamFormat(c *gin.Context, info *relaycommon.RelayInfo, data string
 
 func handleClaudeFormat(c *gin.Context, data string, info *relaycommon.RelayInfo) error {
 	var streamResponse dto.ChatCompletionsStreamResponse
-	if err := json.Unmarshal(common.StringToByteSlice(data), &streamResponse); err != nil {
+	if err := common.Unmarshal(common.StringToByteSlice(data), &streamResponse); err != nil {
 		return err
 	}
 
@@ -174,7 +174,7 @@ func handleFinalResponse(c *gin.Context, info *relaycommon.RelayInfo, lastStream
 	case relaycommon.RelayFormatClaude:
 		info.ClaudeConvertInfo.Done = true
 		var streamResponse dto.ChatCompletionsStreamResponse
-		if err := json.Unmarshal(common.StringToByteSlice(lastStreamData), &streamResponse); err != nil {
+		if err := common.Unmarshal(common.StringToByteSlice(lastStreamData), &streamResponse); err != nil {
 			common.SysError("error unmarshalling stream response: " + err.Error())
 			return
 		}
@@ -183,7 +183,7 @@ func handleFinalResponse(c *gin.Context, info *relaycommon.RelayInfo, lastStream
 
 		claudeResponses := service.StreamResponseOpenAI2Claude(&streamResponse, info)
 		for _, resp := range claudeResponses {
-			helper.ClaudeData(c, *resp)
+			_ = helper.ClaudeData(c, *resp)
 		}
 	}
 }

relay/channel/openai/relay-openai.go

@@ -145,8 +145,10 @@ func OaiStreamHandler(c *gin.Context, info *relaycommon.RelayInfo, resp *http.Re
 				common.SysError("error handling stream format: " + err.Error())
 			}
 		}
+		if len(data) > 0 {
 			lastStreamData = data
 			streamItems = append(streamItems, data)
+		}
 		return true
 	})
 
@@ -154,16 +156,18 @@ func OaiStreamHandler(c *gin.Context, info *relaycommon.RelayInfo, resp *http.Re
 	shouldSendLastResp := true
 	if err := handleLastResponse(lastStreamData, &responseId, &createAt, &systemFingerprint, &model, &usage,
 		&containStreamUsage, info, &shouldSendLastResp); err != nil {
-		common.SysError("error handling last response: " + err.Error())
+		common.LogError(c, fmt.Sprintf("error handling last response: %s, lastStreamData: [%s]", err.Error(), lastStreamData))
 	}
 
-	if shouldSendLastResp && info.RelayFormat == relaycommon.RelayFormatOpenAI {
+	if info.RelayFormat == relaycommon.RelayFormatOpenAI {
+		if shouldSendLastResp {
 			_ = sendStreamData(c, info, lastStreamData, forceFormat, thinkToContent)
 		}
+	}
 
 	// 处理token计算
 	if err := processTokens(info.RelayMode, streamItems, &responseTextBuilder, &toolCount); err != nil {
-		common.SysError("error processing tokens: " + err.Error())
+		common.LogError(c, "error processing tokens: "+err.Error())
 	}
 
 	if !containStreamUsage {
@@ -176,7 +180,6 @@ func OaiStreamHandler(c *gin.Context, info *relaycommon.RelayInfo, resp *http.Re
 			}
 		}
 	}
-
 	handleFinalResponse(c, info, lastStreamData, responseId, createAt, model, systemFingerprint, usage, containStreamUsage)
 
 	return usage, nil

relay/helper/stream_scanner.go

@@ -234,6 +234,12 @@ func StreamScannerHandler(c *gin.Context, resp *http.Response, info *relaycommon
 				case <-stopChan:
 					return
 				}
+			} else {
+				// done, 处理完成标志，直接退出停止读取剩余数据防止出错
+				if common.DebugEnabled {
+					println("received [DONE], stopping scanner")
+				}
+				return
 			}
 		}
 

service/convert.go

@@ -251,22 +251,54 @@ func StreamResponseOpenAI2Claude(openAIResponse *dto.ChatCompletionsStreamRespon
 			resp.SetIndex(0)
 			claudeResponses = append(claudeResponses, resp)
 		} else {
-			//resp := &dto.ClaudeResponse{
-			//	Type: "content_block_start",
-			//	ContentBlock: &dto.ClaudeMediaMessage{
-			//		Type: "text",
-			//		Text: common.GetPointer[string](""),
-			//	},
-			//}
-			//resp.SetIndex(0)
-			//claudeResponses = append(claudeResponses, resp)
+
+		}
+		// 判断首个响应是否存在内容（非标准的 OpenAI 响应）
+		if len(openAIResponse.Choices) > 0 && len(openAIResponse.Choices[0].Delta.GetContentString()) > 0 {
+			claudeResponses = append(claudeResponses, &dto.ClaudeResponse{
+				Index: &info.ClaudeConvertInfo.Index,
+				Type:  "content_block_start",
+				ContentBlock: &dto.ClaudeMediaMessage{
+					Type: "text",
+					Text: common.GetPointer[string](""),
+				},
+			})
+			claudeResponses = append(claudeResponses, &dto.ClaudeResponse{
+				Type: "content_block_delta",
+				Delta: &dto.ClaudeMediaMessage{
+					Type: "text",
+					Text: common.GetPointer[string](openAIResponse.Choices[0].Delta.GetContentString()),
+				},
+			})
+			info.ClaudeConvertInfo.LastMessagesType = relaycommon.LastMessageTypeText
 		}
 		return claudeResponses
 	}
 
 	if len(openAIResponse.Choices) == 0 {
 		// no choices
-		// TODO: handle this case
+		// 可能为非标准的 OpenAI 响应，判断是否已经完成
+		if info.Done {
+			claudeResponses = append(claudeResponses, generateStopBlock(info.ClaudeConvertInfo.Index))
+			oaiUsage := info.ClaudeConvertInfo.Usage
+			if oaiUsage != nil {
+				claudeResponses = append(claudeResponses, &dto.ClaudeResponse{
+					Type: "message_delta",
+					Usage: &dto.ClaudeUsage{
+						InputTokens:              oaiUsage.PromptTokens,
+						OutputTokens:             oaiUsage.CompletionTokens,
+						CacheCreationInputTokens: oaiUsage.PromptTokensDetails.CachedCreationTokens,
+						CacheReadInputTokens:     oaiUsage.PromptTokensDetails.CachedTokens,
+					},
+					Delta: &dto.ClaudeMediaMessage{
+						StopReason: common.GetPointer[string](stopReasonOpenAI2Claude(info.FinishReason)),
+					},
+				})
+			}
+			claudeResponses = append(claudeResponses, &dto.ClaudeResponse{
+				Type: "message_stop",
+			})
+		}
 		return claudeResponses
 	} else {
 		chosenChoice := openAIResponse.Choices[0]