Phase 7a: PEFT checkpoint loading for cross-generation training

feat(7a): OpponentModel — frozen PEFT checkpoint loader with blind generation

fix(6c): attacker unit tests + gen1+ crash warning in alternating_loop

feat(6c): plots.py with reward curve + cross-gen matrix stub + 4 tests

feat(6c): alternating_loop orchestrator + 8 tests

feat(6c): scripted_defender baseline + 5 tests

Phase 6b: defender training script with scripted attacker

Phase 6a: prompts and action parser with unit tests

Phase 5 complete: HF Space deployed public, 4 live tests passing

Phase 5: move Dockerfile to root, HF Space deployment, smoke tests

Phase 4 Dockerise is done

Phase 3 + 3.5 complete: live SOC dashboard with SSE handshake (87 tests passing)

Phase 1 + 2 + 2.5 complete: simulator, FastAPI server, seedable env (83 tests passing)