fix(lint): treat the OpenAIObject alias as a LIT015 model base

Co-Authored-By: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>

scripts/check_type_discipline.py

@@ -97,7 +97,7 @@ LIT015  Pydantic model class that is not frozen. Set `frozen=True` in
         inherit the frozen setting from in-module model bases, unless their own
         configuration overrides it. Detection is name-based: `BaseModel`,
         `pydantic.BaseModel`, `LiteLLMBaseModel`, `BaseLiteLLMOpenAIResponseObject`,
-        `LiteLLMPydanticObjectBase`, `RootModel`, and `BaseSettings` identify
+        `LiteLLMPydanticObjectBase`, `OpenAIObject`, `RootModel`, and `BaseSettings` identify
         models, while `TypedDict` classes are exempt. Replace in-place field writes
         with `model_copy(update=...)`. Suppress with `# frozen-ok: <reason>` on the
         `class` line.
@@ -166,6 +166,7 @@ PYDANTIC_BASES: Final = frozenset(
         "LiteLLMBaseModel",
         "BaseLiteLLMOpenAIResponseObject",
         "LiteLLMPydanticObjectBase",
+        "OpenAIObject",
         "RootModel",
         "BaseSettings",
     )

tests/unit/test_check_type_discipline.py

@@ -760,6 +760,17 @@ def test_settings_config_dict_frozen_true_is_clean(tmp_path):
     assert "LIT015" not in _codes(tmp_path, src)
 
 
+def test_openai_object_base_is_flagged_and_can_be_frozen(tmp_path):
+    assert "LIT015" in _codes(tmp_path, "class Foo(OpenAIObject):\n    x: int\n")
+    assert "LIT015" not in _codes(
+        tmp_path,
+        "from pydantic import ConfigDict\n"
+        "class Foo(OpenAIObject):\n"
+        "    model_config = ConfigDict(frozen=True)\n"
+        "    x: int\n",
+    )
+
+
 def test_same_named_models_use_each_classes_own_override(tmp_path):
     src = (
         "from pydantic import BaseModel\n"

type-discipline-budget.json

@@ -39,6 +39,6 @@
     "limit": 369
   },
   "LIT015": {
-    "limit": 1424
+    "limit": 1450
   }
 }