feat: add public tenant packages listing and sort order

src/Application/TakeoutSaaS.Application/App/Tenants/Commands/CreateTenantPackageCommand.cs

@@ -68,4 +68,9 @@ public sealed record CreateTenantPackageCommand : IRequest<TenantPackageDto>
     /// 是否可售。
     /// </summary>
     public bool IsActive { get; init; } = true;
+
+    /// <summary>
+    /// 展示排序，数值越小越靠前。
+    /// </summary>
+    public int SortOrder { get; init; } = 0;
 }

src/Application/TakeoutSaaS.Application/App/Tenants/Commands/SelfRegisterTenantCommand.cs

@@ -0,0 +1,45 @@
+using MediatR;
+using System.ComponentModel.DataAnnotations;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+
+namespace TakeoutSaaS.Application.App.Tenants.Commands;
+
+/// <summary>
+/// 自助注册租户命令。
+/// </summary>
+public sealed record SelfRegisterTenantCommand : IRequest<SelfRegisterResultDto>
+{
+    /// <summary>
+    /// 初始管理员账号。
+    /// </summary>
+    [Required]
+    [StringLength(64)]
+    public string AdminAccount { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 初始管理员展示名称。
+    /// </summary>
+    [StringLength(64)]
+    public string? AdminDisplayName { get; init; }
+
+    /// <summary>
+    /// 初始管理员邮箱。
+    /// </summary>
+    [EmailAddress]
+    [StringLength(128)]
+    public string? AdminEmail { get; init; }
+
+    /// <summary>
+    /// 初始管理员手机号。
+    /// </summary>
+    [Required]
+    [StringLength(32)]
+    public string AdminPhone { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 初始管理员登录密码（前端自定义）。
+    /// </summary>
+    [Required]
+    [StringLength(128, MinimumLength = 8)]
+    public string AdminPassword { get; init; } = string.Empty;
+}

src/Application/TakeoutSaaS.Application/App/Tenants/Commands/UpdateTenantPackageCommand.cs

@@ -73,4 +73,9 @@ public sealed record UpdateTenantPackageCommand : IRequest<TenantPackageDto?>
     /// 是否可售。
     /// </summary>
     public bool IsActive { get; init; } = true;
+
+    /// <summary>
+    /// 展示排序，数值越小越靠前。
+    /// </summary>
+    public int SortOrder { get; init; } = 0;
 }