feat: 用户登录/管理 + 操作日志模块

- tb_user 用户表、tb_log 日志表
- Flask-Login 认证（login/logout/权限装饰器）
- 用户管理页（admin 专有）：增删改查、改密、角色设置
- 操作日志页：分页查询、按用户/类型筛选
- 测试操作区指令自动记录日志
- 所有页面加 @login_required 保护
- 默认管理员 admin/admin123（首次启动自动创建）

edc-web/app/__init__.py

@@ -8,13 +8,43 @@ def create_app() -> Flask:
     app = Flask(__name__)
     app.config.from_object(Config)
 
+    # 初始化认证
+    from app.auth import init_auth, auth_bp
+    init_auth(app)
+    app.register_blueprint(auth_bp)
+
     # 注册蓝图
     from app.routes.devices import bp as devices_bp
     from app.routes.test_op import bp as test_op_bp
     from app.routes.test_data import bp as test_data_bp
+    from app.routes.users import bp as users_bp
+    from app.routes.logs import bp as logs_bp
 
     app.register_blueprint(devices_bp)
     app.register_blueprint(test_op_bp)
     app.register_blueprint(test_data_bp)
+    app.register_blueprint(users_bp)
+    app.register_blueprint(logs_bp)
+
+    # 初始化默认管理员
+    _ensure_admin()
 
     return app
+
+
+def _ensure_admin():
+    """如果没有任何用户，创建默认 admin/admin123"""
+    from app.models import get_conn
+    from werkzeug.security import generate_password_hash
+    conn = get_conn()
+    try:
+        with conn.cursor() as cur:
+            cur.execute("SELECT COUNT(*) as cnt FROM tb_user")
+            if cur.fetchone()["cnt"] == 0:
+                cur.execute(
+                    "INSERT INTO tb_user (username, password_hash, role) VALUES (%s,%s,%s)",
+                    ("admin", generate_password_hash("admin123"), "admin"),
+                )
+                conn.commit()
+    finally:
+        conn.close()