i think this post should moved to t replacement section.
we need more information lab test and medication list.
we dont know why your fsh is low so we dont know if you will recover or need trt but you say your testosterone is normal , define normal do you have free testosterone and shbg result ,maybe even prolactin i think i read a research that says weed increase prolactin,
i know alot of people blame weed for low t including me i didnt have any symptoms before smoking weed but there is no evidence to support it or a known fix other than restart attempt and lowering high prolactin,
my low t was not caused by prolactin the cause is unknown but it have something to do with the pituitary not working to its full potential.
i dont think wait will increase your chance of recovering but since you are off your meds wait atleast 4 week more and test again and see if your fsh increases or not.
once your level is back to normal you can start immediately and yes you should use hcg with cycle some people will disagree, but use it just to be extra safe and shorter recovery.
injectable steroids are not as harmful as oral so its not necessary to use liver support, i had worst live enzymes when i was drinking soda and eating junk and not drinking water at all than when i was taking steroid with cleanish diet and drinking 2l of water minimum a day.