feat: migrate snowflake ids and refresh migrations

src/Application/TakeoutSaaS.Application/Identity/Services/MiniAuthService.cs

@@ -44,7 +44,7 @@ public sealed class MiniAuthService(
 
         // 3. 获取当前租户 ID（多租户支持）
         var tenantId = tenantProvider.GetCurrentTenantId();
-        if (tenantId == Guid.Empty)
+        if (tenantId == 0)
         {
             throw new BusinessException(ErrorCodes.BadRequest, "缺少租户标识");
         }
@@ -95,7 +95,7 @@ public sealed class MiniAuthService(
     /// <param name="cancellationToken">取消令牌</param>
     /// <returns>用户档案</returns>
     /// <exception cref="BusinessException">用户不存在时抛出</exception>
-    public async Task<CurrentUserProfile> GetProfileAsync(Guid userId, CancellationToken cancellationToken = default)
+    public async Task<CurrentUserProfile> GetProfileAsync(long userId, CancellationToken cancellationToken = default)
     {
         var user = await miniUserRepository.FindByIdAsync(userId, cancellationToken)
                    ?? throw new BusinessException(ErrorCodes.NotFound, "用户不存在");
@@ -113,7 +113,7 @@ public sealed class MiniAuthService(
     /// <param name="tenantId">租户 ID</param>
     /// <param name="cancellationToken">取消令牌</param>
     /// <returns>用户实体和是否为新用户的元组</returns>
-    private async Task<(MiniUser user, bool isNew)> GetOrBindMiniUserAsync(string openId, string? unionId, string? nickname, string? avatar, Guid tenantId, CancellationToken cancellationToken)
+    private async Task<(MiniUser user, bool isNew)> GetOrBindMiniUserAsync(string openId, string? unionId, string? nickname, string? avatar, long tenantId, CancellationToken cancellationToken)
     {
         // 检查用户是否已存在
         var existing = await miniUserRepository.FindByOpenIdAsync(openId, cancellationToken);