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/native/wndb/postgresql_info.py

@@ -1,36 +0,0 @@
-from dotenv import load_dotenv
-import os
-
-load_dotenv()
-
-pg_name = os.getenv("DB_NAME")
-pg_host = os.getenv("DB_HOST")
-pg_port = os.getenv("DB_PORT")
-pg_user = os.getenv("DB_USER")
-pg_password = os.getenv("DB_PASSWORD")
-
-
-def get_pgconn_string(
-    db_name=pg_name,
-    db_host=pg_host,
-    db_port=pg_port,
-    db_user=pg_user,
-    db_password=pg_password,
-):
-    """返回 PostgreSQL 连接字符串"""
-    return f"dbname={db_name} host={db_host} port={db_port} user={db_user} password={db_password}"
-
-
-def get_pg_config():
-    """返回 PostgreSQL 配置变量的字典"""
-    return {
-        "name": pg_name,
-        "host": pg_host,
-        "port": pg_port,
-        "user": pg_user,
-    }
-
-
-def get_pg_password():
-    """返回密码（谨慎使用）"""
-    return pg_password

app/native/wndb/project.py

@@ -3,7 +3,7 @@ import psycopg as pg
 from psycopg import sql
 from psycopg.rows import dict_row
 from .connection import g_conn_dict as conn
-from .postgresql_info import get_pgconn_string, get_pg_config, get_pg_password
+from app.core.config import get_pgconn_string, get_pg_config, get_pg_password
 
 # no undo/redo
 

app/native/wndb/project_backup.py

@@ -3,7 +3,7 @@ import psycopg as pg
 from psycopg import sql
 from psycopg.rows import dict_row
 from .connection import g_conn_dict as conn
-from .postgresql_info import get_pgconn_string
+from app.core.config import get_pgconn_string
 
 # no undo/redo