feat: 支持租户伪装登录与管理员重置链接

src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfIdentityUserRepository.cs

@@ -41,6 +41,15 @@ public sealed class EfIdentityUserRepository(IdentityDbContext dbContext) : IIde
     public Task<IdentityUser?> FindByIdAsync(long userId, CancellationToken cancellationToken = default)
         => dbContext.IdentityUsers.AsNoTracking().FirstOrDefaultAsync(x => x.Id == userId, cancellationToken);
 
+    /// <summary>
+    /// 根据 ID 获取后台用户（用于更新，返回可跟踪实体）。
+    /// </summary>
+    /// <param name="userId">用户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>后台用户或 null。</returns>
+    public Task<IdentityUser?> GetForUpdateAsync(long userId, CancellationToken cancellationToken = default)
+        => dbContext.IdentityUsers.FirstOrDefaultAsync(x => x.Id == userId, cancellationToken);
+
     /// <summary>
     /// 按租户与关键字搜索后台用户（只读）。
     /// </summary>