refactor(): 优化测试用例数据的处理，优化代码结构

- 新增用例生成器和注册器
- 优化文件处理

commons/file_processors/__init__.py

@@ -9,3 +9,14 @@
 @date: 2025/3/4 17:23
 @desc: 
 """
+from .base_processor import BaseFileProcessor
+from .json_processor import JsonProcessor
+from .yaml_processor import YamlProcessor
+from .processor_factory import get_processor_class
+
+__all__ = [
+    "BaseFileProcessor",
+    "JsonProcessor",
+    "YamlProcessor",
+    "get_processor_class",
+]