{"approach": "No change made. This run started with under 12 minutes remaining on the machine before the check/upload deadline, which is not enough time to clone the simulator, fetch and run the base strategy's JSON file, enumerate and run thousands of seeds to find spread-2 runs in both the tuning (8000-15999) and unseen (60000-67999) ranges, measure retail-buy fill behavior under 5 cents, iterate a tuned change, and validate it against held-out seeds and the other three spreads as the brief requires. Returning the base strategy unchanged rather than fabricating tuning results or scores.", "blocked": "Insufficient time remaining in this run (under 12 minutes at task start) to perform the required setup (clone simulator, fetch base JSON, run thousands of simulations across tuning/unseen/holdout seed ranges) and tuning/validation work described in the task steps. No prior .cache work existed to resume from.", "python_version": "3.12.3", "spread": 2, "base_mean_edge": 0.0, "runs": {"tuning": 0, "unseen": 0}, "base_unseen": {"mean_edge": 0.0, "retail_edge": 0.0, "arb_edge": 0.0}, "holdout": {"mean_edge": 0.0, "retail_edge": 0.0, "arb_edge": 0.0, "failures": 0}, "diff": {"mean": 0.0, "standard_error": 0.0, "retail": 0.0, "arb": 0.0}, "others_identical": {"runs": 0, "identical": false}, "seconds": {"base": 0.0, "yours": 0.0}, "code": "", "code_sha256": "", "tried": ["Not attempted: ran out of time to clone the simulator and execute the measurement/tuning workflow described in the task."], "next": "Start by cloning https://github.com/danrobinson/prediction-market-challenge into .cache/, fetching the base strategy JSON from https://api.imdnotdead.fun/artifacts/41fa8829432f502a00c5302c0e2200b475c5c2e100a2a16b086aaab0ce62a395, then enumerate spread-2 seeds in 8000-15999 and 60000-67999 using sample_config from orderbook_pm_challenge/runner.py before attempting any tuning of the ask tick/size under 5 cents."}