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_webui_contract.py

@@ -16,7 +16,12 @@ class TasksQuickAccessContractTests(unittest.TestCase):
         topics = get_manifest().documentation
         kinds = {topic.metadata.get("kind", "system") for topic in topics}
 
-        self.assertEqual(3, len(topics))
+        self.assertEqual({
+            "tasks.workspace-layout",
+            "tasks.data-subject-requests",
+            "tasks.quick-access-and-product-area",
+            "tasks.work-inbox",
+        }, {topic.id for topic in topics})
         self.assertTrue({"workflow", "reference"}.issubset(kinds))
         for topic in topics:
             translation = topic.translations["de"]