GUI documentation

tests/test_gui_core.py

@@ -1829,6 +1829,13 @@ class WorkflowTests(unittest.TestCase):
             ("live", "batch", "hybrid", "refaire"),
         )
 
+    def test_every_graphical_argument_has_tooltip_documentation(self) -> None:
+        for step in self.steps.values():
+            for spec in step.arguments:
+                with self.subTest(step=step.id, argument=spec.name):
+                    self.assertTrue(spec.help.strip())
+                    self.assertTrue(spec.help.rstrip().endswith("."))
+
     def test_options_previously_requiring_free_form_arguments_have_controls(self) -> None:
         status = self.command(
             "batch_status",