feat: 支持京东白条账单上传和清洗

analyzer/converter.py

@@ -49,7 +49,7 @@ def detect_bill_type_from_content(content: str, filename: str = "") -> str:
     从内容和文件名检测账单类型
     
     Returns:
-        'alipay', 'wechat', 或 ''
+        'alipay', 'wechat', 'jd', 或 ''
     """
     # 从文件名检测
     filename_lower = filename.lower()
@@ -57,6 +57,8 @@ def detect_bill_type_from_content(content: str, filename: str = "") -> str:
         return 'alipay'
     if '微信' in filename or 'wechat' in filename_lower:
         return 'wechat'
+    if '京东' in filename or 'jd' in filename_lower:
+        return 'jd'
     
     # 从内容检测
     # 支付宝特征: 有 "交易分类" 和 "对方账号" 列
@@ -67,6 +69,12 @@ def detect_bill_type_from_content(content: str, filename: str = "") -> str:
     if '交易类型' in content and '金额(元)' in content:
         return 'wechat'
     
+    # 京东特征: 有 "商户名称" 和 "交易说明" 列，或头部包含 "京东账号名"
+    if '商户名称' in content and '交易说明' in content:
+        return 'jd'
+    if '京东账号名' in content:
+        return 'jd'
+    
     return ''