refactor(tests): 重构测试代码并优化ruff检查规则

1.  在pyproject.toml中为测试文件添加ARG001和ARG002规则忽略
2.  重构多个CLI测试文件，移除冗余的mock断言、导入顺序调整
3.  统一测试用例的帮助信息输出逻辑，移除SystemExit捕获，简化测试流程
4.  拆分合并冗余的测试类，按功能细化测试用例
5.  移除测试代码中多余的注释和pytest导入

pyproject.toml

@@ -148,6 +148,9 @@ select = [
     "W",   # pycodestyle warnings
 ]
 
+[tool.ruff.lint.per-file-ignores]
+"**/tests/**" = ["ARG001", "ARG002"]
+
 [tool.pyrefly]
 preset           = "basic"
 project-includes = ["**/*.ipynb", "**/*.py*"]