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{"type":"item.completed","item":{"id":"item_1","type":"agent_message","text":"```python\nimport json, hashlib, numpy as np\n\npasses=[28,31,32,33,34,35]+list(range(38,50))\nall_games=[]\nfor k in passes:\n    all_games.extend(json.load(open(\"/work/pass_%d/games.json\"%k)))\n\nsummary={}\nfor opponent in [\"strong\",\"weak\",\"random\"]:\n    games=[g for g in all_games if g[\"opponent\"]==opponent]\n    wins=sum(g[\"result\"]>0 for g in games)\n    n=len(games)\n    p=wins/n\n    z=1.959963984540054\n    den=1+z*z/n\n    center=(p+z*z/(2*n))/den\n    half=z*np.sqrt(p*(1-p)/n+z*z/(4*n*n))/den\n    summary[opponent]={\n        \"games\":n, \"wins\":wins, \"win_rate\":p,\n        \"mean_margin\":float(np.mean([g[\"margin\"] for g in games])),\n        \"wilson_95_percent\":[center-half,center+half],\n        \"by_colour\":{\n            colour:{\n                \"games\":sum(g[\"net_color\"]==colour for g in games),\n                \"wins\":sum(g[\"net_color\"]==colour and g[\"result\"]>0 for g in games)\n            } for colour in [\"black\",\"white\"]\n        }\n    }\n\nnames=[\"L%d.%s\"%(k,t) for k in range(1,7) for t in [\"W\",\"b\"]]+[\"out.W\",\"out.b\"]\nreference=np.load(\"/work/candidate_A.npz\")\ntensors={name:load(name).astype(np.float32,copy=False) for name in names}\nassert sum(a.size for a in tensors.values())==1480274\nassert all(np.isfinite(a).all() for a in tensors.values())\nassert all(np.array_equal(tensors[name],reference[name]) for name in names)\n\n# Re-save the already validated checkpoint without changing any values.\nfor name,array in tensors.items():\n    save(name,array)\nnp.savez(\"/work/final_policy.npz\",**tensors)\n\ncfg=json.load(open(\"/work/candidate_A_config.json\"))\njson.dump(cfg,open(\"/work/final_policy_config.json\",\"w\"),indent=2)\nopen(\"/work/final_policy_design.py\",\"w\").write(\n    open(\"/work/policy_design_v23.py\").read())\n\ndigest=hashlib.sha256()\nfor name in names:\n    digest.update(name.encode())\n    digest.update(tensors[name].tobytes())\nmanifest={\n    \"sha256\":digest.hexdigest(),\n    \"completed_validation_passes\":passes,\n    \"pending_final_pass\":50,\n    \"summary_before_final_pass\":summary,\n    \"training_or_search_used\":False\n}\njson.dump(manifest,open(\"/work/final_validation_manifest.json\",\"w\"),indent=2)\nprint(json.dumps(summary,indent=2))\nprint(\"All 14 final tensors saved, unchanged from candidate A.\")\nprint(\"SHA256:\",digest.hexdigest())\nprint(\"Final remaining pass will validate another 128 games against weak.\")\n```"}}
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