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{"type":"item.completed","item":{"id":"item_0","type":"error","message":"Code Mode is unavailable because code-mode host is disabled. Code mode will fail closed; enable `features.code_mode_host` and install `codex-code-mode-host`."}}
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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_v13.py\")\ns=open(\"/work/design_v12.py\").read()\ns=s.replace('for k,color,danger in [(2,1,4),(3,0,2)]:',\n            'for k,color,danger in [(2,1,4),(3,1,3)]:')\nneedle='        reach=set(seg)\\n        for p in seg:\\n            reach.update(adj[p])\\n        outdanger=3 if color==1 else 2'\nreplacement='''        if k==3:\n            # Intersecting certified segments belong to the same string.\n            for jj,other in enumerate(segments):\n                if set(seg).intersection(other):\n                    W[k][487+jj,u]+=1/128\n        reach=set(seg)\n        for p in seg:\n            reach.update(adj[p])\n        outdanger=3 if color==1 else 2'''\nassert needle in s\ns=s.replace(needle,replacement)\n# A message can now be as small as (1/16)/128.\ns=s.replace('W[k+1][u,unit(outdanger,p)]-=32',\n            'W[k+1][u,unit(outdanger,p)]-=4096')\nopen(\"/work/design.py\",\"w\").write(s)\noverrides=json.load(open(\"/work/params_v9.json\"))\nexec(s)\nprint(\"Extended enemy-string safety through intersecting certified segments.\")\n```\n"}}
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