fix dtype

services/sentence_transformer_service.py

@@ -215,7 +215,7 @@ class SentenceTransformerService:
             # Load name map data
             name_map_file = os.path.join(DATA_DIR, "nameMapData.csv")
             if os.path.exists(name_map_file):
-                self.df_name_map_data = pd.read_csv(name_map_file)
+                self.df_name_map_data = pd.read_csv(name_map_file, dtype={'外部・内部設定タイプ': str})
                 print(f"Loaded name map data: {len(self.df_name_map_data)} entries")
 
             # Load sub subject and name map data
@@ -233,7 +233,7 @@ class SentenceTransformerService:
             # Load abstract map data
             abstract_map_file = os.path.join(DATA_DIR, "abstractMapData.csv")
             if os.path.exists(abstract_map_file):
-                self.df_abstract_map_data = pd.read_csv(abstract_map_file)
+                self.df_abstract_map_data = pd.read_csv(abstract_map_file, dtype={'摘要タイプ': str})
                 print(
                     f"Loaded abstract map data: {len(self.df_abstract_map_data)} entries"
                 )