feat: support deepseek claude format (convert)

dto/claude.go

@@ -361,7 +361,7 @@ type ClaudeUsage struct {
 	CacheCreationInputTokens int                  `json:"cache_creation_input_tokens"`
 	CacheReadInputTokens     int                  `json:"cache_read_input_tokens"`
 	OutputTokens             int                  `json:"output_tokens"`
-	ServerToolUse            *ClaudeServerToolUse `json:"server_tool_use"`
+	ServerToolUse            *ClaudeServerToolUse `json:"server_tool_use,omitempty"`
 }
 
 type ClaudeServerToolUse struct {

relay/channel/deepseek/adaptor.go

@@ -24,10 +24,9 @@ func (a *Adaptor) ConvertGeminiRequest(*gin.Context, *relaycommon.RelayInfo, *dt
 	return nil, errors.New("not implemented")
 }
 
-func (a *Adaptor) ConvertClaudeRequest(*gin.Context, *relaycommon.RelayInfo, *dto.ClaudeRequest) (any, error) {
-	//TODO implement me
-	panic("implement me")
-	return nil, nil
+func (a *Adaptor) ConvertClaudeRequest(c *gin.Context, info *relaycommon.RelayInfo, req *dto.ClaudeRequest) (any, error) {
+	adaptor := openai.Adaptor{}
+	return adaptor.ConvertClaudeRequest(c, info, req)
 }
 
 func (a *Adaptor) ConvertAudioRequest(c *gin.Context, info *relaycommon.RelayInfo, request dto.AudioRequest) (io.Reader, error) {

service/convert.go

@@ -283,8 +283,10 @@ func StreamResponseOpenAI2Claude(openAIResponse *dto.ChatCompletionsStreamRespon
 		if chosenChoice.FinishReason != nil && *chosenChoice.FinishReason != "" {
 			// should be done
 			info.FinishReason = *chosenChoice.FinishReason
+			if !info.Done {
 				return claudeResponses
 			}
+		}
 		if info.Done {
 			claudeResponses = append(claudeResponses, generateStopBlock(info.ClaudeConvertInfo.Index))
 			oaiUsage := info.ClaudeConvertInfo.Usage
@@ -432,6 +434,8 @@ func stopReasonOpenAI2Claude(reason string) string {
 		return "end_turn"
 	case "stop_sequence":
 		return "stop_sequence"
+	case "length":
+		fallthrough
 	case "max_tokens":
 		return "max_tokens"
 	case "tool_calls":