refactor(api): replace json.loads with Pydantic validation in controllers and infra layers (#34277)

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

api/core/ops/utils.py

@@ -3,11 +3,14 @@ from datetime import datetime
 from typing import Any, Union
 from urllib.parse import urlparse
 
+from pydantic import TypeAdapter
 from sqlalchemy import select
 
 from models.engine import db
 from models.model import Message
 
+JSON_DICT_ADAPTER: TypeAdapter[dict[str, Any]] = TypeAdapter(dict[str, Any])
+
 
 def filter_none_values(data: dict[str, Any]) -> dict[str, Any]:
     new_data = {}