fix: Update ruff config to ignore E402

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>

Author: Socratic Developer

pyproject.toml

@@ -81,7 +81,7 @@ target-version = "py38"
 
 [tool.ruff.lint]
 select = ["E", "F", "W", "I"]
-ignore = ["E501"]
+ignore = ["E402", "E501"]
 
 [tool.mypy]
 python_version = "3.10"