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{"type":"item.completed","item":{"id":"item_1","type":"agent_message","text":"```python\nimport json, numpy as np\nsource=open(\"/work/policy_design_v7.py\").read()\npatch=r'''\n    # On an empty 9x9 board, take the central star point. This feature\n    # switches off exactly after either player places the first stone.\n    W[0][:,489]=0\n    B[0][489]=1\n    for p in range(81):\n        W[0][3*p,489]=-1\n        W[0][3*p+1,489]=-1\n    for k in range(1,6):\n        W[k][489,489]=1\n    OW[489,40]+=cfg.get(\"opening_center\",8.0)\n'''\nsource=source.replace('    OW *= cfg[\"temperature_scale\"]',\n                      patch+'\\n    OW *= cfg[\"temperature_scale\"]')\nopen(\"/work/policy_design_v9.py\",\"w\").write(source)\nopen(\"/work/policy_design.py\",\"w\").write(source)\ncfg=json.load(open(\"/work/policy_config.json\"))\ncfg.update(opening_center=8.0,pass_lead=0.0,\n           black_territory_threshold=1.5,white_territory_threshold=1.5)\nns={}\nexec(compile(source,\"/work/policy_design.py\",\"exec\"),ns)\ncfg,tensors=ns[\"build\"](save,cfg)\njson.dump(cfg,open(\"/work/policy_config.json\",\"w\"),indent=2)\nnp.savez(\"/work/policy_v9.npz\",**tensors)\nprint(\"Saved v9: claim the center on the first move; retain v7's middlegame policy.\")\n```"}}
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