Paul,
I suffered a lightning strike a few years ago , possibly more serious than yours, but the thing I discovered was that several electrical and electronic items that seemed OK were in fact terminally damaged. My insurers (to their great credit) took the view that nothing could be relied upon after a strike and insisted on replacing literally everything on the boat. Not very encouraging for you and I hope your experience proves less severe but I’d suggest you treat everything as suspect and potentially unreliable until time proves otherwise.
Good luck !
Cheers,
Martin