feat: 修复接口参数并改为form-data格式

- 添加缺失的认证参数：appId, appSecretCode, role
- 修复 analysisType 和 departmentCode 参数
- 将所有接口改为使用 Form 参数（form-data 格式）
- 更新服务层支持字典参数
- 更新所有测试代码
- 所有测试通过（7/7）

lsfx-mock-server/services/statement_service.py

@@ -1,28 +1,35 @@
-from models.request import GetBankStatementRequest
 from utils.response_builder import ResponseBuilder
-from typing import Dict
+from typing import Dict, Union
 
 
 class StatementService:
     """流水数据服务"""
 
-    def get_bank_statement(self, request: GetBankStatementRequest) -> Dict:
+    def get_bank_statement(self, request: Union[Dict, object]) -> Dict:
         """获取银行流水列表
 
         Args:
-            request: 获取银行流水请求
+            request: 获取银行流水请求（可以是字典或对象）
 
         Returns:
             银行流水响应字典
         """
+        # 支持 dict 或对象
+        if isinstance(request, dict):
+            page_now = request.get("pageNow", 1)
+            page_size = request.get("pageSize", 10)
+        else:
+            page_now = request.pageNow
+            page_size = request.pageSize
+
         # 加载模板
         template = ResponseBuilder.load_template("bank_statement")
         statements = template["success_response"]["data"]["bankStatementList"]
         total_count = len(statements)
 
         # 模拟分页
-        start = (request.pageNow - 1) * request.pageSize
-        end = start + request.pageSize
+        start = (page_now - 1) * page_size
+        end = start + page_size
         page_data = statements[start:end]
 
         return {