elodie looks amazing! I definitely need to try it out
it was just the thing I was thinking of building recently as it was getting really tiring to manually organize photos
one extra idea that I had: there's a cool project that would enable offline geocoding[1], which would help get rid of API limits while making the reverse geocode queries almost instant
(the included dataset is pretty limited, but it's not hard to extend from an openstreetmap planet dump)