将 postgresql_info.py 移出 native/，合并到 core/config.py 或 infra/db/，便于后续项目环境变量读取发生变化

app/infra/db/postgresql/database.py

@@ -3,7 +3,7 @@ from contextlib import asynccontextmanager
 from typing import AsyncGenerator, Dict, Optional
 import psycopg_pool
 from psycopg.rows import dict_row
-import app.native.wndb.postgresql_info as postgresql_info
+import app.core.config as postgresql_info
 
 # Configure logging
 logger = logging.getLogger(__name__)

app/infra/db/postgresql/internal_queries.py

@@ -2,7 +2,7 @@ import time
 from typing import List, Optional
 
 from fastapi.logger import logger
-import app.native.wndb.postgresql_info as postgresql_info
+import app.core.config as postgresql_info
 import psycopg