чуть подредактировал

pyproject.toml

@@ -3,20 +3,33 @@ requires = ["setuptools>=61.0"]
 build-backend = "setuptools.build_meta"
 
 [project]
-name = "text_analyzer"
+name = "numstats"
 version = "0.1.0"
-description = "CLI tool for analyzing text files"
+description = "CLI tool for statistical analysis of numeric data from files"
+readme = "README.md"
 requires-python = ">=3.12"
+authors = [
+    {name = "Your Name", email = "your@email.com"}
+]
 dependencies = []
 
 [project.scripts]
-text-analyzer = "text_analyzer.cli:main"
+numstats = "numstats.cli:main"
 
 [tool.ruff]
 line-length = 88
+target-version = "py312"
+
+[tool.ruff.lint]
+select = ["E", "F", "I", "UP", "B"]
 
 [tool.mypy]
+python_version = "3.12"
 strict = true
+warn_unused_ignores = true
+warn_return_any = true
+warn_unreachable = true
 
 [tool.pytest.ini_options]
 testpaths = ["tests"]
+addopts = "--cov=src/numstats --cov-report=term-missing"