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{"type":"item.completed","item":{"id":"item_1","type":"agent_message","text":"```python\nimport json,shutil\nshutil.copyfile(\"/work/design.py\",\"/work/design_v20.py\")\ns=open(\"/work/design_v19.py\").read()\n# Insert after the ordinary opening gate has been constructed.\nidx=s.index('OB[81] = P[\"pass_bias\"]')\nextra=r'''\n# Stop unnecessary fights only with BOTH a conservative safe-stone\n# area lead and two solid eyes witnessed on a symmetric sample.\nW[0][2,511]=1\nfor k in range(1,4):\n    W[k][511,511]=1\n\neye_points=[r*9+c for r in range(0,9,2) for c in range(0,9,2)\n            if (r,c)!=(4,4)]\nassert len(eye_points)==24\nfor j,p in enumerate(eye_points):\n    u=487+j\n    ring=adj[p]+diag[p]\n    B[4][u]=1-len(ring)\n    for q in ring:\n        W[4][unit(0,q),u]+=1\n    W[4][unit(0,p),u]-=8\n    W[4][unit(1,p),u]-=8\n\n# Two neighbouring thresholds make a clipped, komi-aware lead signal.\nW[4][:,486]=0\nW[4][:,511]=0\nfor u,shift in [(511,0),(486,1)]:\n    B[4][u]=-46.75-shift\n    W[4][511,u]=7.5\n    for p in range(81):\n        W[4][unit(0,p),u]+=1\n        W[4][unit(2,p),u]-=1\n\n# For fewer than two witnessed eyes both gates are zero.\n# Otherwise their difference is exactly the clipped lead signal.\nfor u,source in [(487,511),(488,486)]:\n    B[5][u]=-200\n    W[5][source,u]=1\n    for v in range(487,511):\n        W[5][v,u]=100\nOW[487,81]+=16\nOW[488,81]-=16\n\n# Recompute the empty-board gate directly; its old carry slot was reused.\nW[5][:,486]=0\nB[5][486]=1\nfor p in range(81):\n    W[5][unit(0,p),486]=-1\n    W[5][unit(1,p),486]=-1\n\n'''\ns=s[:idx]+extra+s[idx:]\nopen(\"/work/design.py\",\"w\").write(s)\noverrides=json.load(open(\"/work/params_v9.json\"))\nexec(s)\nprint(\"Added a bounded winning-pass gate requiring two solid eyes and an area lead.\")\n```\n"}}
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