With photoperiods, you want to wait until they have at least 4 nodes... with autos, wait until there's an issue you want to resolve be it spreading the plant out to get more width or getting more light into the middle of the plant. You don't HAVE the do any LST but it does help give bigger yields. Sometimes, just tucking the large fan leaves down and under is all the LST required.
I wouldn't worry at all about what you've done with her... it's a weed, after all, and they'll do fine! There's something to be learned with EVERY. SINGLE. GROW. you do... As I always try to tell folks, relax and enjoy the journey!