feat: add AWS invoke error handling and new error code

relay/channel/aws/relay-aws.go

 package aws
 
 import (
-	"encoding/json"
 	"fmt"
 	"net/http"
 	"one-api/common"
@@ -113,14 +112,14 @@ func awsHandler(c *gin.Context, info *relaycommon.RelayInfo, requestMode int) (*
 	}
 	claudeReq := claudeReq_.(*dto.ClaudeRequest)
 	awsClaudeReq := copyRequest(claudeReq)
-	awsReq.Body, err = json.Marshal(awsClaudeReq)
+	awsReq.Body, err = common.Marshal(awsClaudeReq)
 	if err != nil {
 		return types.NewError(errors.Wrap(err, "marshal request"), types.ErrorCodeBadResponseBody), nil
 	}
 
 	awsResp, err := awsCli.InvokeModel(c.Request.Context(), awsReq)
 	if err != nil {
-		return types.NewError(errors.Wrap(err, "InvokeModel"), types.ErrorCodeChannelAwsClientError), nil
+		return types.NewOpenAIError(errors.Wrap(err, "InvokeModel"), types.ErrorCodeAwsInvokeError, http.StatusInternalServerError), nil
 	}
 
 	claudeInfo := &claude.ClaudeResponseInfo{
@@ -165,14 +164,14 @@ func awsStreamHandler(c *gin.Context, resp *http.Response, info *relaycommon.Rel
 	claudeReq := claudeReq_.(*dto.ClaudeRequest)
 
 	awsClaudeReq := copyRequest(claudeReq)
-	awsReq.Body, err = json.Marshal(awsClaudeReq)
+	awsReq.Body, err = common.Marshal(awsClaudeReq)
 	if err != nil {
 		return types.NewError(errors.Wrap(err, "marshal request"), types.ErrorCodeBadResponseBody), nil
 	}
 
 	awsResp, err := awsCli.InvokeModelWithResponseStream(c.Request.Context(), awsReq)
 	if err != nil {
-		return types.NewError(errors.Wrap(err, "InvokeModelWithResponseStream"), types.ErrorCodeChannelAwsClientError), nil
+		return types.NewOpenAIError(errors.Wrap(err, "InvokeModelWithResponseStream"), types.ErrorCodeAwsInvokeError, http.StatusInternalServerError), nil
 	}
 	stream := awsResp.GetStream()
 	defer stream.Close()

types/error.go

@@ -65,6 +65,7 @@ const (
 	ErrorCodeBadResponse            ErrorCode = "bad_response"
 	ErrorCodeBadResponseBody        ErrorCode = "bad_response_body"
 	ErrorCodeEmptyResponse          ErrorCode = "empty_response"
+	ErrorCodeAwsInvokeError         ErrorCode = "aws_invoke_error"
 
 	// sql error
 	ErrorCodeQueryDataError  ErrorCode = "query_data_error"