Easier logic

src/simstadt/runner.py

@@ -255,8 +255,8 @@ def run_workflow(workflow_path: Path, citygmls: list[str]) -> list[Path]:
 
 
 def _is_in_proj_folder(path: Path) -> bool:
-    """Return True if path is inside a .proj directory."""
-    return any(p.suffix == ".proj" for p in path.parents)
+    """Return True if path is directly inside a .proj directory."""
+    return path.parent.suffix == ".proj"
 
 
 def _resolve_project(citygml_path: Path, project_path: Path | None) -> tuple[Path, str]: