SOLVED (and HOWTO convert driver to ATTINY13A MCU) Help diagnose/repair a Dead EAST-092 driver?

I don't know if anyone has done that. There are several low cost boards available that make MCU swaps much easier for that type of FET in 17mm board such as these:

https://oshpark.com/shared_projects/eD4kRUiO

https://oshpark.com/shared_projects/lCBkc8G6

https://oshpark.com/shared_projects/IHvO85FY

I guess you have seen this thread by now.