feat: migrate snowflake ids and refresh migrations

src/Domain/TakeoutSaaS.Domain/Identity/Entities/IdentityUser.cs

@@ -25,7 +25,7 @@ public sealed class IdentityUser : MultiTenantEntityBase
     /// <summary>
     /// 所属商户（平台管理员为空）。
     /// </summary>
-    public Guid? MerchantId { get; set; }
+    public long? MerchantId { get; set; }
 
     /// <summary>
     /// 角色集合。

src/Domain/TakeoutSaaS.Domain/Identity/Repositories/IIdentityUserRepository.cs

@@ -18,5 +18,5 @@ public interface IIdentityUserRepository
     /// <summary>
     /// 根据 ID 获取后台用户。
     /// </summary>
-    Task<IdentityUser?> FindByIdAsync(Guid userId, CancellationToken cancellationToken = default);
+    Task<IdentityUser?> FindByIdAsync(long userId, CancellationToken cancellationToken = default);
 }

src/Domain/TakeoutSaaS.Domain/Identity/Repositories/IMiniUserRepository.cs

@@ -21,7 +21,7 @@ public interface IMiniUserRepository
     /// <param name="id">用户 ID</param>
     /// <param name="cancellationToken">取消令牌</param>
     /// <returns>小程序用户，如果不存在则返回 null</returns>
-    Task<MiniUser?> FindByIdAsync(Guid id, CancellationToken cancellationToken = default);
+    Task<MiniUser?> FindByIdAsync(long id, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 创建或更新小程序用户（如果 OpenId 已存在则更新，否则创建）。
@@ -33,5 +33,5 @@ public interface IMiniUserRepository
     /// <param name="tenantId">租户 ID</param>
     /// <param name="cancellationToken">取消令牌</param>
     /// <returns>创建或更新后的小程序用户</returns>
-    Task<MiniUser> CreateOrUpdateAsync(string openId, string? unionId, string? nickname, string? avatar, Guid tenantId, CancellationToken cancellationToken = default);
+    Task<MiniUser> CreateOrUpdateAsync(string openId, string? unionId, string? nickname, string? avatar, long tenantId, CancellationToken cancellationToken = default);
 }