docs: Add missing docstrings and fix terminology warnings

tests/test_atomic_dss.py

@@ -36,7 +36,8 @@ def dss_project(project_manager: ProjectManager, tmp_path: Path) -> DSSProject:
 def test_recursive_figma_import(MockAsyncClient, dss_project: DSSProject, project_manager: ProjectManager):
     """
     Test that the Figma import is recursive and that the components are
-    classified correctly.
+    classified correctly. This test mocks the FigmaTokenSource to
+    control the data returned during sync.
     """
     # Mock the httpx.AsyncClient to return a sample Figma file
     mock_client_instance = MockAsyncClient.return_value