Serve documentation from the operator UI

tests/test_cli_help.py

@@ -1,9 +1,13 @@
 from __future__ import annotations
 
+import pytest
+
 from scimesh.cli import main
 
 
-def test_help_command_prints_runnable_examples(capsys: object) -> None:
+def test_help_command_prints_runnable_examples(
+    capsys: pytest.CaptureFixture[str],
+) -> None:
     assert main(["help"]) == 0
     output = capsys.readouterr().out
     assert "scimesh similarity-search" in output