refactor: 全面迁移至 Python 3.9+ 原生泛型类型语法

- 将所有 `Optional[T]` 替换为 `T | None`
- 将所有 `List[T]`/`Dict[K, V]`/`Tuple[Ts, ...]` 替换为对应原生泛型
- 调整类型导入，移除冗余的 typing 导入项
- 更新项目依赖，添加 typing-extensions 兼容旧版本 Python
- 重构部分函数签名与内部实现以匹配新类型语法

tests/cli/test_pymake.py

@@ -0,0 +1,165 @@
+"""Tests for pymake CLI."""
+
+from pyflowx.cli.pymake import _build_graphs, _get_maturin_build_command, conf
+
+
+def test_pymake_config_attributes():
+    """Test PymakeConfig has expected attributes."""
+    assert hasattr(conf, "PROJECT_ROOT")
+    assert hasattr(conf, "BUILD_TOOL")
+    assert hasattr(conf, "BUILD_COMMAND")
+    assert hasattr(conf, "MATURIN_TOOL")
+    assert hasattr(conf, "MATURIN_BUILD_COMMAND")
+    assert hasattr(conf, "MATURIN_DEV_COMMAND")
+    assert hasattr(conf, "TIMEOUT")
+
+
+def test_pymake_config_values():
+    """Test PymakeConfig values are correct."""
+    assert conf.BUILD_TOOL == "uv"
+    assert conf.BUILD_COMMAND == ["uv", "build"]
+    assert conf.MATURIN_TOOL == "maturin"
+    assert conf.TIMEOUT == 600
+
+
+def test_get_maturin_build_command_basic():
+    """Test _get_maturin_build_command returns base command."""
+    cmd = _get_maturin_build_command()
+    assert "maturin" in cmd
+    assert "build" in cmd
+    assert "-r" in cmd
+
+
+def test_build_graphs_returns_dict():
+    """Test _build_graphs returns a dictionary."""
+    graphs = _build_graphs()
+    assert isinstance(graphs, dict)
+    assert len(graphs) > 0
+
+
+def test_build_graphs_has_expected_commands():
+    """Test _build_graphs has expected command keys."""
+    graphs = _build_graphs()
+    expected_commands = [
+        "b",
+        "bc",
+        "ba",
+        "ic",
+        "ip",
+        "ia",
+        "cp",
+        "cc",
+        "ca",
+        "t",
+        "lint",
+    ]
+    for cmd in expected_commands:
+        assert cmd in graphs, f"Expected command '{cmd}' not found in graphs"
+
+
+def test_build_graphs_values_are_graphs():
+    """Test _build_graphs values are Graph instances."""
+    import pyflowx as px
+
+    graphs = _build_graphs()
+    for name, graph in graphs.items():
+        assert isinstance(graph, px.Graph), (
+            f"Graph for command '{name}' is not a Graph instance"
+        )
+
+
+def test_build_command_graph_structure():
+    """Test 'b' command graph has correct structure."""
+
+    graphs = _build_graphs()
+    graph = graphs["b"]
+    assert len(graph.all_specs()) == 1
+    spec = graph.spec("uv_build")
+    assert spec.cmd == conf.BUILD_COMMAND
+
+
+def test_build_all_command_graph_structure():
+    """Test 'ba' command graph has correct dependencies."""
+
+    graphs = _build_graphs()
+    graph = graphs["ba"]
+    specs = graph.all_specs()
+    assert len(specs) == 2
+    # Check dependency
+    uv_build_spec = graph.spec("uv_build")
+    assert "maturin_build" in uv_build_spec.depends_on
+
+
+def test_maturin_build_command_graph_structure():
+    """Test 'bc' command graph has correct structure."""
+    graphs = _build_graphs()
+    graph = graphs["bc"]
+    specs = graph.all_specs()
+    assert len(specs) == 1
+    spec = graph.spec("maturin_build")
+    assert spec.cmd == _get_maturin_build_command()
+
+
+def test_install_all_command_graph_structure():
+    """Test 'ia' command graph has correct dependencies."""
+    graphs = _build_graphs()
+    graph = graphs["ia"]
+    specs = graph.all_specs()
+    assert len(specs) == 2
+    uv_install_spec = graph.spec("uv_install")
+    assert "maturin_dev" in uv_install_spec.depends_on
+
+
+def test_clean_all_command_graph_structure():
+    """Test 'ca' command graph has correct structure."""
+    graphs = _build_graphs()
+    graph = graphs["ca"]
+    specs = graph.all_specs()
+    assert len(specs) == 2
+
+
+def test_test_command_graph_structure():
+    """Test 't' command graph has correct structure."""
+    graphs = _build_graphs()
+    graph = graphs["t"]
+    specs = graph.all_specs()
+    assert len(specs) == 1
+    spec = graph.spec("pytest")
+    assert "pytest" in spec.cmd
+
+
+def test_lint_command_graph_structure():
+    """Test 'lint' command graph has correct structure."""
+    graphs = _build_graphs()
+    graph = graphs["lint"]
+    specs = graph.all_specs()
+    assert len(specs) == 1
+    spec = graph.spec("ruff_check")
+    assert "ruff" in spec.cmd
+
+
+def test_pymake_config_dirs_to_ignore():
+    """Test PymakeConfig has correct dirs to ignore."""
+    assert ".venv" in conf.DIRS_TO_IGNORE
+    assert ".git" in conf.DIRS_TO_IGNORE
+    assert ".tox" in conf.DIRS_TO_IGNORE
+
+
+def test_pymake_config_python_build_dirs():
+    """Test PymakeConfig has correct Python build dirs."""
+    assert "dist" in conf.PYTHON_BUILD_DIRS
+    assert "build" in conf.PYTHON_BUILD_DIRS
+
+
+def test_maturin_build_options_win7():
+    """Test MATURIN_BUILD_OPTIONS_WIN7 has expected options."""
+    assert "--target" in conf.MATURIN_BUILD_OPTIONS_WIN7
+    assert "x86_64-win7-windows-msvc" in conf.MATURIN_BUILD_OPTIONS_WIN7
+    assert "-Zbuild-std" in conf.MATURIN_BUILD_OPTIONS_WIN7
+
+
+def test_doc_build_command():
+    """Test DOC_BUILD_COMMAND has expected structure."""
+    assert "sphinx-build" in conf.DOC_BUILD_COMMAND
+    assert "-b" in conf.DOC_BUILD_COMMAND
+    assert "html" in conf.DOC_BUILD_COMMAND