feat: Update Graph entry point to detect_language and add corresponding edge

Author: DShomin

llm_utils/graph.py

@@ -211,9 +211,10 @@ def query_maker_node_with_db_guide(state: QueryMakerState):
 
 # StateGraph 생성 및 구성
 builder = StateGraph(QueryMakerState)
-builder.set_entry_point(QUERY_REFINER)
+builder.set_entry_point(DETECT_LANGUAGE)
 
 # 노드 추가
+builder.add_node(DETECT_LANGUAGE, detect_language_regex)
 builder.add_node(QUERY_REFINER, query_refiner_node)
 builder.add_node(GET_TABLE_INFO, get_table_info_node)
 # builder.add_node(QUERY_MAKER, query_maker_node)  #  query_maker_node_with_db_guide
@@ -222,6 +223,7 @@ def query_maker_node_with_db_guide(state: QueryMakerState):
 )  #  query_maker_node_with_db_guide
 
 # 기본 엣지 설정
+builder.add_edge(DETECT_LANGUAGE, QUERY_REFINER)
 builder.add_edge(QUERY_REFINER, GET_TABLE_INFO)
 builder.add_edge(GET_TABLE_INFO, QUERY_MAKER)