fix: resolve CI linting issues

src/utils/__init__.py

@@ -1,6 +1,4 @@
-"""Utility modules for example generation and search."""
-
-from src.utils.examples import ExampleGenerator
-from src.utils.search import SearchIndex
-
-__all__ = ["ExampleGenerator", "SearchIndex"]
+from src.core.models import OpenAPISpec
+from src.core.parser import parse_openapi_spec
+from src.utils.examples import generate_examples_from_schema
+from src.utils.search import SearchIndex, create_search_index, search_index