All characters on nemotron-4b; one cold-load per fork

Named-place movement: atomic move_to, drop coord reasoning, 10/gather, per-archetype reward, default llama-3b, smart-mock updated

Recording prep: JS mutex, mixed models (Ada/Bram=Nemotron, rest=SmolLM2), drain=3, init=3, duration=90s, idle-drift, mock latency profile

Default model: always Nemotron 3 Nano 4B, regardless of env

Roster: add SmolLM2 360M for local-friendly testing

Townlet: initial private upload with Zero-GPU fixes