as an ace person I think the best possible option for Eloise's season is to make her and Philip both ace
And I hold on to hope that they might actually do this and give us some well-deserved ace rep, since:
They are more woke than we give them credit for, I mean they put black characters and other PoC into positions of power in a time where they had none irl
They show Benedict and Michaela as unabashedly queer and proud of it
They actually have several disability reps, Hazel who only has one arm, that young noble man in the wheelchair in s3, that couple using sign language at the garden party in s4
They'll even give us an entire sapphic season with Francesca and Michaela, oh and also Francesca literally is autistic
So why wouldn't they maybe try and give us another form of love with 2 ace leads in Eloise's season?
I totally think it can be done and could be done believingly if they use s5 to set it up as a slow burn for an ace relationship in s6 that's about companionship and family just as much as the other Bridgerton kids get but unlike sexual attraction, they'll portray intellectual attraction and Eloise forming a strong bond with Philip not cause she thinks he's hot but because he accepts her the way she is and challenges her mentally