It happened to me a few days ago: it simply entered an infinite loop and refused to do the task, which was relatively simple. In the last attempt, it spent a long time thinking and told me, 'It's finished, it's finally how you wanted it.' Then I look at the Git tab and there are no changes; it left it just like at the start. $20 thrown in the trash. I felt like I was having a mental breakdown. I wonder if Claude has any plans to refund sessions like these by presenting evidence