feat: reward verifier alignment, notebook hardening, model name fix

refactor: replace unsloth with plain transformers+peft for GRPO training

feat: add verifier-native reward v1

feat: upgrade notebook to Qwen3.5-4B with H100 hyperparams

feat: add real-time stellarator optimization demo animation

docs: align training workflow and plan ssot

refactor: align colab notebook with shared llm helpers

feat: make llm training workflow low-fidelity only

feat: add model-driven llm reward evaluation

fix: align notebook evaluation with grpo rewards

fix: robust JSON array extraction and notebook GRPO fixes

feat: add reward and verifier monitoring telemetry

docs: clarify notebook surfaces and OpenEnv guidance

fix: restore ppo smoke early termination

fix: harden ppo smoke action handling

feat: polish notebook and README for hackathon submission

feat: add llm rollout contract and simplify ppo smoke

feat: add HF Space deployment + GRPO training notebook

feat: add low-fi PPO smoke workflow

docs: codify multifidelity training policy

feat: add replay playtest and tighten fail-fast validation

docs: require trained policy evidence

docs: clarify notebook artifact requirement

docs: fix p1 parameterization blocker fallout

docs: mark northflank smoke pass

feat: add northflank smoke workflow

docs: sync status trackers to verifier state

docs: lock p1 plan and hackathon runtime setup

chore: add hackathon repo guardrails

chore: scaffold fusion design lab repo