EF Core报MigrationOperation需定义主键错误的排查求助

实体类型'MigrationOperation'需要定义主键。如果要使用无键实体类型，请在'OnModelCreating'中调用'HasNoKey()'

所有自定义实体均已通过[Key]特性标记主键，项目中未引用或定义任何名为MigrationOperation的表、类型，实体代码如下：

// User.cs
public class User {
    [Key]
    public Guid Id { get; set; }
    public string? Email { get; set; }
    public string? DisplayName { get; set; }
    // 通过.Include()填充
    public virtual ICollection<GroupMembership> Memberships { get; set; }
}

// GroupMembership.cs
public class GroupMembership {
    // 也可设为<UserId, GroupId>复合键，为排查改为单主键
    [Key]
    public Guid Id { get; set; }
    public Guid UserId { get; set; }
    public Guid GroupId { get; set; }
}

确认此处的MigrationOperation是EF Core内置类型，已尝试以下解决方法：

• 确认所有模型均配置[Key]（参考同类问题的解决方案）
• 重置数据库并重新应用所有迁移
• 尝试modelBuilder.Entity<MigrationOperation>().HasNoKey()，但启动报错，提示MigrationOperation不是有效模型
• 移除所有非主键的外键或复合键约束并更新数据库，错误仍存在

已知EF Core有自动主键检测机制，请问是否需要禁用该机制？若需要，如何操作？

更新：完整调用栈 #

System.InvalidOperationException: 'The entity type 'MigrationOperation' requires a primary key to be defined. If you intended to use a keyless entity type, call 'HasNoKey' in 'OnModelCreating'. For more information on keyless entity types, see https://go.microsoft.com/fwlink/?linkid=2141943.'

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内容的提问来源于stack exchange，提问作者Timothy