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

feat: rename god -> world

Refactor action handling and update UI elements

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

aboba improvement

chore: remove claw3d naming

Merge branch 'testing' into main: Overseer vs Chaos gameplay on the primitives engine

Refactor NPC roles and enhance survival mechanics

feat: gradio app

Add Modal LLM backends and agent memory updates

Initial god simulator foundation