p150 ETH-dispatch compliance (2026-10-05): default ETH dispatch, 1 CQ, 12x10 in Python API and server; numbers re-measured

Python API: warm-up so the first real call is fast (warmup_variants, model.warmup()), quiet logs, install extras

Python API (2026-10-04): pip install -e code/, from_pretrained() + model(...), Python-first quickstart