diff --git a/.vscode/settings.json b/.vscode/settings.json
index 5f16e45..e73a6a2 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -8,5 +8,5 @@
     "polylith",
     "unposted"
   ],
-  "python-envs.defaultEnvManager": "ms-python.python:system"
+  "python-envs.defaultEnvManager": "ms-python.python:venv"
 }
diff --git a/pyproject.toml b/pyproject.toml
index 8c50938..38097eb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -52,4 +52,5 @@ dev = [
   "grimp>=3.0.0",
   "types-requests>=2.31.0",
   "ty>=0.0.21",
+  "pyclean>=3.5.0",
 ]
diff --git a/uv.lock b/uv.lock
index cc12cb5..53c304a 100644
--- a/uv.lock
+++ b/uv.lock
@@ -444,6 +444,7 @@ dependencies = [
 dev = [
     { name = "grimp" },
     { name = "polylith-cli" },
+    { name = "pyclean" },
     { name = "pytest" },
     { name = "pytest-asyncio" },
     { name = "pytest-cov" },
@@ -466,6 +467,7 @@ requires-dist = [
 dev = [
     { name = "grimp", specifier = ">=3.0.0" },
     { name = "polylith-cli", specifier = ">=1.0.0" },
+    { name = "pyclean", specifier = ">=3.5.0" },
     { name = "pytest", specifier = ">=9.0.2" },
     { name = "pytest-asyncio", specifier = ">=1.3.0" },
     { name = "pytest-cov", specifier = ">=7.0.0" },
@@ -513,6 +515,15 @@ requires-dist = [
     { name = "uvicorn", extras = ["standard"] },
 ]
 
+[[package]]
+name = "pyclean"
+version = "3.5.0"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/75/56/d90b195c172b7fb993274d27cd546604855849557eb0b0074e621f8e8610/pyclean-3.5.0.tar.gz", hash = "sha256:6033b7cb728fbdacc5912dc72e09baee76aeef328430f3e9ccb1a78def4fbfd4", size = 26594, upload-time = "2026-01-10T17:03:27.482Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/9f/60/e8aed49c01666b0dd1b7097855792bcd0ff65c35096977b4034737cdc91c/pyclean-3.5.0-py3-none-any.whl", hash = "sha256:584801fecd52a7690ba85a141c21ecfbbfb69bcfcd03b2b1b87f5e0d8c7a7c29", size = 27142, upload-time = "2026-01-10T17:03:25.93Z" },
+]
+
 [[package]]
 name = "pydantic"
 version = "2.12.5"