Hilariously, neither have you.
Ok
Straightforward answer
Females, have their own private female spaces for toilets, changing rooms, hospital beds and women refuges. Anywhere women wanted single sex spaces or even Apps that dealt with female issues.
Third or unisex spaces provided for those TiMs who don't want to go into male only spaces
Females, have at their request, female only medical clinicians.
For sports, males are to be excluded from all their competitions, from grass roots to elite.
TiMs can enter the 'Open' category which includes anyone who wants to take part in sport.
Males can have the same spaces and rights above.
The issue of trans would instantly overnight not be contentious to almost every women, if those simple steps were adopted
Now if its not a big problem as you say, only tiny resources would be needed to accommodate trans folk