feat: add seat-scoped static and dynamic assistant modes

tests/integration/test_named_mode_inference_regression.py

@@ -273,7 +273,8 @@ def test_name_only_nap_request_reuses_the_verified_repository_profile(
     draft = result["mode_profile_draft"]
     assert isinstance(draft, dict)
     assert draft["name"] == "小憩模式"
-    assert draft["operation_count"] == len(preset.operations) == 9
+    assert draft["operation_count"] == 9
+    assert len(preset.operations) == 10  # The registry retains both optional seat variants.
     assert set(draft["domains"]) == {"seat", "climate", "roof", "ambient_light"}
     assert draft["existing_mode_id"] == "nap"
     assert isinstance(draft["existing_mode_revision"], str)
@@ -283,6 +284,7 @@ def test_name_only_nap_request_reuses_the_verified_repository_profile(
     actions = _intent_actions(result)
     assert {action["capability"] for action in actions} == {
         operation.capability for operation in preset.operations
+        if operation.domain != "seat" or operation.target_scope in {"passenger", "front_right"}
     } == EXPECTED_NAP_CAPABILITIES
     expected_targets_and_parameters = {
         operation.capability: (
@@ -292,6 +294,7 @@ def test_name_only_nap_request_reuses_the_verified_repository_profile(
             operation.parameters,
         )
         for operation in preset.operations
+        if operation.domain != "seat" or operation.target_scope in {"passenger", "front_right"}
     }
     actual_targets_and_parameters = {
         action["capability"]: (