hmm really interesting suggestions some (1) is similar to a list of things that i wish were added, the tips one but in my case was with a new item at the curio though i really agree with the need of some kind of in-game guide and maybe the city thing could be done with a special dialogue or a cutscene with aubrey about like "right now i know the city really well and went in all places" (that will only play once).
And with the gluttony it could be done with some "upper dialogues" like those that are already present.
Anyway if you want to see my old post it's from a month ago.
Hope i was helpfull or interesting.