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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    # Opening line preferences should not make first-line endgame\n    # points artificially unattractive. Flatten them as the board fills.\n    start=cfg.get(\"endgame_start\",12.0)\n    finish=cfg.get(\"endgame_finish\",52.0)\n    for g,threshold in [(489,start),(490,finish)]:\n        W[0][:,g]=0\n        B[0][g]=-threshold/(finish-start)\n        for p in range(81):\n            W[0][3*p,g]=1/(finish-start)\n            W[0][3*p+1,g]=1/(finish-start)\n        for k in range(1,6):\n            W[k][g,g]=1\n    for p in range(81):\n        r,c=divmod(p,9)\n        prior=line_prior[min(r,8-r)]+line_prior[min(c,8-c)]\n        delta=cfg.get(\"endgame_prior\",2.0)-prior\n        OW[489,p]+=delta\n        OW[490,p]-=delta\n'''\nsource=source.replace('    OW *= cfg[\"temperature_scale\"]',\n                      patch+'\\n    OW *= cfg[\"temperature_scale\"]')\nopen(\"/work/policy_design_v15.py\",\"w\").write(source)\nopen(\"/work/policy_design.py\",\"w\").write(source)\ncfg=json.load(open(\"/work/policy_config.json\"))\ncfg.update(endgame_start=12.0,endgame_finish=52.0,endgame_prior=2.0)\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_v15.npz\",**tensors)\nprint(\"Saved v15: opening geometry transitions to uniform point value in the endgame.\")\n```"}}
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