feat: 支持京东白条账单上传和清洗

server/service/archive.go

@@ -105,6 +105,8 @@ func ExtractZip(zipPath, destDir, password string) (*ExtractResult, error) {
 				result.BillType = "alipay"
 			} else if strings.Contains(fileName, "微信") || strings.Contains(strings.ToLower(fileName), "wechat") {
 				result.BillType = "wechat"
+			} else if strings.Contains(fileName, "京东") || strings.Contains(strings.ToLower(fileName), "jd") {
+				result.BillType = "jd"
 			}
 		}
 	}

server/service/bill.go

@@ -150,6 +150,10 @@ func detectBillTypeAndIdField(header []string) (billType string, idFieldIdx int)
 		if col == "交易类型" || col == "金额(元)" {
 			billType = "wechat"
 		}
+		// 京东特征
+		if col == "商户名称" || col == "交易说明" {
+			billType = "jd"
+		}
 
 		// 查找去重字段（优先使用交易订单号/交易号）
 		if col == "交易订单号" || col == "交易号" || col == "交易单号" {

server/service/cleaner.go

@@ -36,6 +36,9 @@ func DetectBillTypeFromOutput(output string) string {
 	if containsSubstring(output, "微信") {
 		return "wechat"
 	}
+	if containsSubstring(output, "京东") {
+		return "jd"
+	}
 	return ""
 }