I'm sorry Lorna just couldn't make it. Your efforts to help her, and then to help her not suffer longer, were compassionate and thoughtful.

I've been following along...What everyone has said sounds so very true and right. You did as much as anyone could do and it may not even have been a problem that could be solved by you or anyone else, even if she had been a patient in an avian vet's hospital and was tended to 'round the clock in some way.
Her problem of losing weight, failing to thrive could be from so many causes. Reading ahead to see if Dr. Mark thinks a PM will shed light on it. But I just wanted to add that human health problems like this that result in weight loss and weakness (these were the visible symptoms for poor Lorna, as someone here,
@Perris ? pointed out) have many, many causes. These are often very difficult to pinpoint, from brain function to organ function. It takes a lot of doing to get to the bottom of a particular individual's situation, and sometimes it is never diagnosed.
I think what we can hope to learn in chickening is to learn the skills to try to take care of the more common and recognizable problems. Like the skill of crop feeding. And how lunch boxes work great for weighing! Within those parameters we are limited to the do-able solutions at hand, from our efforts to a vet's. But we also have known problems that we can't do much about and neither can a vet. For the mystery problems we can try the solutions on the symptoms we see, but it is impossible to always know what the actual problem is.
I'm sorry. Maybe I'm just saying the same thing three different ways. You (and Dr. Mark) did what you could and that's as much as anyone, human or hen, could ask for. Unless the PM shows something definite I don't know that there can be much to learn.
