Retrodict v1.0

Full traces for the 25 runs behind the README results (84.96% mean RHAE), plus the superseded first attempts for s5i5 and cn04. Each run directory contains workspace/log.txt (every action, board, and level counter), workspace/playbook.md, workspace/scratch/, transcript.jsonl (every model invocation's full input and output), traces/ (per-request token usage), metrics.json, and containment.json/opening.png/prime.json.