refactor: update error handling to support dynamic error types

dto/claude.go

@@ -2,6 +2,7 @@ package dto
 
 import (
 	"encoding/json"
+	"fmt"
 	"one-api/common"
 	"one-api/types"
 )
@@ -284,14 +285,9 @@ func (c *ClaudeRequest) ParseSystem() []ClaudeMediaMessage {
 	return mediaContent
 }
 
-type ClaudeError struct {
-	Type    string `json:"type,omitempty"`
-	Message string `json:"message,omitempty"`
-}
-
 type ClaudeErrorWithStatusCode struct {
-	Error      ClaudeError `json:"error"`
-	StatusCode int         `json:"status_code"`
+	Error      types.ClaudeError `json:"error"`
+	StatusCode int               `json:"status_code"`
 	LocalError bool
 }
 
@@ -303,7 +299,7 @@ type ClaudeResponse struct {
 	Completion   string               `json:"completion,omitempty"`
 	StopReason   string               `json:"stop_reason,omitempty"`
 	Model        string               `json:"model,omitempty"`
-	Error        *types.ClaudeError   `json:"error,omitempty"`
+	Error        any                  `json:"error,omitempty"`
 	Usage        *ClaudeUsage         `json:"usage,omitempty"`
 	Index        *int                 `json:"index,omitempty"`
 	ContentBlock *ClaudeMediaMessage  `json:"content_block,omitempty"`
@@ -324,6 +320,42 @@ func (c *ClaudeResponse) GetIndex() int {
 	return *c.Index
 }
 
+// GetClaudeError 从动态错误类型中提取ClaudeError结构
+func (c *ClaudeResponse) GetClaudeError() *types.ClaudeError {
+	if c.Error == nil {
+		return nil
+	}
+
+	switch err := c.Error.(type) {
+	case types.ClaudeError:
+		return &err
+	case *types.ClaudeError:
+		return err
+	case map[string]interface{}:
+		// 处理从JSON解析来的map结构
+		claudeErr := &types.ClaudeError{}
+		if errType, ok := err["type"].(string); ok {
+			claudeErr.Type = errType
+		}
+		if errMsg, ok := err["message"].(string); ok {
+			claudeErr.Message = errMsg
+		}
+		return claudeErr
+	case string:
+		// 处理简单字符串错误
+		return &types.ClaudeError{
+			Type:    "error",
+			Message: err,
+		}
+	default:
+		// 未知类型，尝试转换为字符串
+		return &types.ClaudeError{
+			Type:    "unknown_error",
+			Message: fmt.Sprintf("%v", err),
+		}
+	}
+}
+
 type ClaudeUsage struct {
 	InputTokens              int                  `json:"input_tokens"`
 	CacheCreationInputTokens int                  `json:"cache_creation_input_tokens"`