fix: 修复 mypy 类型检查错误

- 添加 types-psutil 依赖
- 配置 mypy 忽略 _pytest 和 pytest 目录
- 添加 psutil 的 ignore_missing_imports

Co-authored-by: Qwen-Coder <qwen-coder@alibabacloud.com>

Author: yunlongwen

pyproject.toml

@@ -85,6 +85,7 @@ dev = [
     "pytest-asyncio>=0.21.0",
     "pytest-cov>=4.1.0",
     "types-PyYAML",
+    "types-psutil",
     "pre-commit>=3.6.0",
 ]
 
@@ -161,6 +162,7 @@ warn_redundant_casts = true
 warn_unused_ignores = true
 warn_no_return = true
 strict_equality = true
+exclude = ["_pytest", "pytest"]
 
 [[tool.mypy.overrides]]
 module = "tree_sitter.*"
@@ -170,6 +172,10 @@ ignore_missing_imports = true
 module = "langchain.*"
 ignore_missing_imports = true
 
+[[tool.mypy.overrides]]
+module = "psutil.*"
+ignore_missing_imports = true
+
 # Pytest configuration
 [tool.pytest.ini_options]
 testpaths = ["tests"]