test: add data model RoborockBase inheritance conformance tests

Author: allenporter

tests/conformance/test_model_conformance.py

@@ -0,0 +1,26 @@
+"""Conformance tests for data model inheritance.
+
+As defined in AGENTS.md, structured domain and wire models in `roborock.data`
+MUST inherit from `RoborockBase` to ensure standard `as_dict()` serialization
+and `from_dict()` deserialization across consumers.
+"""
+
+from __future__ import annotations
+
+import pytest
+
+import roborock.data
+from roborock.data.containers import RoborockBase
+from tests.conformance.discovery import discover_dataclasses, to_pytest_params
+
+
+@pytest.mark.parametrize(
+    "model_cls",
+    to_pytest_params(discover_dataclasses(roborock.data)),
+)
+def test_data_model_subclasses_roborock_base(model_cls: type) -> None:
+    """All domain dataclasses in roborock.data must inherit from RoborockBase."""
+    assert issubclass(model_cls, RoborockBase), (
+        f"{model_cls.__module__}.{model_cls.__name__} is a dataclass but does not inherit from RoborockBase. "
+        "Per AGENTS.md, domain containers must subclass RoborockBase for serialization."
+    )