fix(ui): align contextual documentation with headings

Verified with the coordinated workspace changes by devkit full run
2026-09-08T225814-186389-0000-3e3ed7cd (all seven phases passed).
This shared UI pass does not mark the individual module reviews complete.

tests/test_interface_documentation_contract.py

@@ -104,17 +104,20 @@ class CalendarInterfaceDocumentationContractTests(unittest.TestCase):
         for component in (
             "ActionBlockerHint",
             "ConfirmDialog",
-            "DocumentationHelpLink",
+            "titleHelp={<DocumentationHelpLink reference={CALENDAR_DOCUMENTATION} />}",
             "useUnsavedDraftGuard",
         ):
             self.assertIn(component, event_dialog)
         for component in (
             "ActionBlockerHint",
-            "DocumentationHelpLink",
+            "titleHelp={<DocumentationHelpLink reference={CALENDAR_SOURCE_DOCUMENTATION} />}",
             "useUnsavedDraftGuard",
         ):
             self.assertIn(component, collection_dialog)
-        for component in ("DocumentationHelpLink", "useUnsavedDraftGuard"):
+        for component in (
+            "titleHelp={<DocumentationHelpLink reference={CALENDAR_DOCUMENTATION} />}",
+            "useUnsavedDraftGuard",
+        ):
             self.assertIn(component, settings_panel)