Update chat_handler.py

chat_handler.py

@@ -18,6 +18,7 @@ from validation_engine import validate
 from session import session_store, Session
 from llm_interface import LLMInterface, SparkLLM, GPT4oLLM
 from config_provider import ConfigProvider
+from locale_manager import LocaleManager
 
 # ─────────────────────────  GLOBAL ───────────────────────── #
 # Global LLM instance