feat: improved perception

Merge branch 'main' of https://github.com/DeltaZN/god_simulator

feat: implement NPC model switching and admin API for model management

add persistance logs

feat: add reset world admin btn

feat: add persistance

feat: UX improvements & remove openrouter

feat: open world in a new tab

fix(hf): serve lobby at root, ship built frontend, honor proxy headers

feat: use nemotron 30b model

feat: rename god -> world