Optimize build/lint perf

pyproject.toml

@@ -18,12 +18,14 @@ dependencies = [
 test = [
     "pytest>=8.0.0",
     "pytest-asyncio>=0.24.0",
+    "pytest-xdist>=3.0",
     "httpx>=0.27.0",
 ]
 
 [tool.pytest.ini_options]
 asyncio_mode = "auto"
 testpaths = ["tests"]
+addopts = "-n auto --dist worksteal"
 
 [tool.ruff]
 target-version = "py310"
@@ -68,6 +70,7 @@ dev = [
     "httpx>=0.28.1",
     "pytest>=9.0.2",
     "pytest-asyncio>=1.3.0",
+    "pytest-xdist>=3.0",
     "ruff>=0.8.0",
     "pyright>=1.1.390",
 ]