refactor(auth): remove project-local user API

app/services/scheme_management.py

@@ -11,53 +11,6 @@ from app.core.config import get_pgconn_string
 from app.services.time_api import parse_utc_time
 
 
-# 2025/03/23
-def create_user(name: str, username: str, password: str):
-    """
-    创建用户
-    :param name: 数据库名称
-    :param username: 用户名
-    :param password: 密码
-    :return:
-    """
-    try:
-        # 动态替换数据库名称
-        conn_string = get_pgconn_string(db_name=name)
-        # 连接到 PostgreSQL 数据库（这里是数据库 "bb"）
-        with psycopg.connect(conn_string) as conn:
-            with conn.cursor() as cur:
-                cur.execute(
-                    "INSERT INTO users (username, password) VALUES (%s, %s)",
-                    (username, password),
-                )
-                # 提交事务
-                conn.commit()
-                print("新用户创建成功！")
-    except Exception as e:
-        print(f"创建用户出错：{e}")
-
-
-# 2025/03/23
-def delete_user(name: str, username: str):
-    """
-    删除用户
-    :param name: 数据库名称
-    :param username: 用户名
-    :return:
-    """
-    try:
-        # 动态替换数据库名称
-        conn_string = get_pgconn_string(db_name=name)
-        # 连接到 PostgreSQL 数据库（这里是数据库 "bb"）
-        with psycopg.connect(conn_string) as conn:
-            with conn.cursor() as cur:
-                cur.execute("DELETE FROM users WHERE username = %s", (username,))
-                conn.commit()
-                print(f"用户 {username} 删除成功！")
-    except Exception as e:
-        print(f"删除用户出错：{e}")
-
-
 # 2025/03/23
 def scheme_name_exists(name: str, scheme_name: str) -> bool:
     """
@@ -98,8 +51,8 @@ def store_scheme_info(
     :param name: 数据库名称
     :param scheme_name: 方案名称
     :param scheme_type: 方案类型
-    :param username: 用户名（需在 users 表中已存在）
-    :param scheme_start_time: 方案起始时间（字符串）
+    :param username: MetaDB 中的用户名快照
+    :param scheme_start_time: 带时区的方案起始时间；写入前统一转换为 UTC
     :param scheme_detail: 方案详情（字典，会转换为 JSON）
     :return:
     """