fix: restore mode clicks and compose seat-aware assistant scenes

tests/unit/test_assistant_capability_catalog.py

@@ -358,7 +358,7 @@ def test_common_scene_templates_are_read_only_callable_catalog_entries(
     templates = snapshot["scene_templates"]
 
     assert snapshot["source_status"]["scene_templates"] == "ready"
-    assert len(templates) == 12
+    assert len(templates) == 13
     assert {item["name"] for item in templates} >= {
         "观影模式",
         "露营模式",