public async Task <Guid> CreateChatAsync(CreateChatRequest request, Guid userId)
{
var chat = await _repository.CreateChatAsync(request.Name);
foreach (var memberId in request.MemberIds)
{
await _repository.CreateChatMemberAsync(chat.Id, memberId);
}
// Add creator as a member
await _repository.CreateChatMemberAsync(chat.Id, userId, ChatMemberStatus.Active, request.CreatorPublicKey);
return(chat.Id);
}