更新项目配置，新增设备同步模块，优化WebSocket和Swagger配置，增强SCADA系统的免登录接口，支持数据字典项和登录日志的免登录查询与记录。调整Java编译设置，确保更好的开发体验。

yy-admin-master/YY.Admin.Core/Entity/SysOnlineUser.cs

@@ -0,0 +1,64 @@
+ 
+
+namespace YY.Admin.Core;
+
+/// <summary>
+/// 系统在线用户表
+/// </summary>
+[SugarTable("sys_online_user", "系统在线用户表")]
+[SysTable]
+public partial class SysOnlineUser : EntityBaseTenantId
+{
+    /// <summary>
+    /// 连接Id
+    /// </summary>
+    [SugarColumn(ColumnDescription = "连接Id")]
+    public string? ConnectionId { get; set; }
+
+    /// <summary>
+    /// 用户Id
+    /// </summary>
+    [SugarColumn(ColumnDescription = "用户Id")]
+    public long UserId { get; set; }
+
+    /// <summary>
+    /// 账号
+    /// </summary>
+    [SugarColumn(ColumnDescription = "账号", Length = 32)]
+    [Required, MaxLength(32)]
+    public virtual string UserName { get; set; }
+
+    /// <summary>
+    /// 真实姓名
+    /// </summary>
+    [SugarColumn(ColumnDescription = "真实姓名", Length = 32)]
+    [MaxLength(32)]
+    public string? RealName { get; set; }
+
+    /// <summary>
+    /// 连接时间
+    /// </summary>
+    [SugarColumn(ColumnDescription = "连接时间")]
+    public DateTime? Time { get; set; }
+
+    /// <summary>
+    /// 连接IP
+    /// </summary>
+    [SugarColumn(ColumnDescription = "连接IP", Length = 256)]
+    [MaxLength(256)]
+    public string? Ip { get; set; }
+
+    /// <summary>
+    /// 浏览器
+    /// </summary>
+    [SugarColumn(ColumnDescription = "浏览器", Length = 128)]
+    [MaxLength(128)]
+    public string? Browser { get; set; }
+
+    /// <summary>
+    /// 操作系统
+    /// </summary>
+    [SugarColumn(ColumnDescription = "操作系统", Length = 128)]
+    [MaxLength(128)]
+    public string? Os { get; set; }
+}