🐛 Ensure use of anyio.Path.

Author: Raphael Krupinski

src/lapidary/render/load.py

@@ -90,6 +90,8 @@ async def save_to(self, target: anyio.Path) -> str:
 
 class FileDocumentHandler(DocumentHandler[anyio.Path]):
     def __init__(self, project_root: anyio.Path, path: anyio.Path) -> None:
+        assert isinstance(project_root, anyio.Path)
+        assert isinstance(path, anyio.Path)
         super().__init__(path)
         self._project_root = project_root