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{"type":"item.completed","item":{"id":"item_2","type":"agent_message","text":"```python\nimport numpy as np,json\nnames=[f\"L{k}.{s}\" for k in range(1,7) for s in (\"W\",\"b\")]+[\"out.W\",\"out.b\"]\nnp.savez_compressed(\"/work/version_7.npz\",**{n:load(n) for n in names})\n\nrevision=r'''\nimport numpy as np\n_base={}\nexec(open(\"/work/design_v5.py\").read(),_base)\ndef construct(parameters=None):\n    changes=dict()\n    if parameters:\n        changes.update(parameters)\n    t,p=_base[\"construct\"](changes)\n    def u(c,i):return 81*c+i\n    for threshold in (2,3):\n        for colour in (0,1):\n            channel=2*(threshold-1)+colour\n            for i in range(81):\n                r,c=divmod(i,9)\n                ns=[rr*9+cc for rr,cc in\n                    ((r-1,c),(r+1,c),(r,c-1),(r,c+1))\n                    if 0<=rr<9 and 0<=cc<9]\n                target=u(channel,i)\n\n                # Direct gated safety seeds remove a redundant threshold layer.\n                t[\"L2.W\"][:,target]=0\n                t[\"L2.b\"][target]=-32.0-(threshold-1)\n                t[\"L2.W\"][u(colour,i),target]=32.0\n                t[\"L2.W\"][u(2+colour,i),target]=1.0\n                for j in ns:\n                    t[\"L2.W\"][u(2+colour,j),target]+=1.0 if threshold==2 else 0.5\n\n                # First propagation, with binary critical-group complements.\n                t[\"L3.W\"][:,target]=0\n                t[\"L3.b\"][target]=0\n                t[\"L3.W\"][u(colour,i),target]=1.0\n                for j in [i]+ns:\n                    t[\"L3.W\"][u(channel,j),target]-=2.0\n\n                # Two further propagation steps extend tactical visibility.\n                for layer in (4,5):\n                    w=t[f\"L{layer}.W\"]\n                    w[:,target]=0\n                    t[f\"L{layer}.b\"][target]=0\n                    w[u(colour,i),target]=1.0\n                    for j in [i]+ns:\n                        w[u(colour,j),target]-=1.0\n                        w[u(channel,j),target]+=1.0\n    return t,p\n'''\nopen(\"/work/design_v8.py\",\"w\").write(revision)\nns={}\nexec(revision,ns)\nt,p=ns[\"construct\"]()\nfor n,a in t.items():save(n,a)\njson.dump(p,open(\"/work/parameters.json\",\"w\"),indent=2)\nprint(\"Saved revision 8: direct safety seeds and an additional\")\nprint(\"connected-group propagation step, without changing the architecture.\")\n```\n"}}
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