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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 numpy as np\nfrom scipy.linalg import svdvals\nnp.set_printoptions(precision=4, suppress=True)\nprint(\"keys\", sorted(W))\nfor l in range(4):\n    print(\"\\nLAYER\", l)\n    for name in [\"ln1_w\",\"ln1_b\",\"ln2_w\",\"ln2_b\"]:\n        a=W[f\"{name}.{l}\"]\n        print(name, \"mean/std/min/max/norm\", np.mean(a),np.std(a),np.min(a),np.max(a),np.linalg.norm(a))\n    for name in [\"W_q\",\"W_k\",\"W_v\",\"W_o\",\"W_fc\",\"W_proj\"]:\n        a=W[f\"{name}.{l}\"]\n        s=svdvals(a)\n        print(name, \"norm\",round(float(np.linalg.norm(a)),3), \"sv\", np.round(s[:12],3),\n              \"stable_rank\",round(float(np.sum(s*s)/(s[0]*s[0])),2))\n    for h in range(6):\n        sl=slice(64*h,64*(h+1))\n        q=W[f\"W_q.{l}\"][sl].astype(float)\n        k=W[f\"W_k.{l}\"][sl].astype(float)\n        v=W[f\"W_v.{l}\"][sl].astype(float)\n        o=W[f\"W_o.{l}\"][:,sl].astype(float)\n        B=q.T@k/8\n        A=o@v\n        sb=svdvals(B)[:64]; sa=svdvals(A)[:64]\n        print(f\"L{l}H{h}\", \"QKnorm\",round(np.linalg.norm(B),3),\n              \"QKsv\",np.round(sb[:8],3),\n              \"QKtrace\",round(np.trace(B),3),\n              \"QKsym\",round(np.sum(B*B.T)/np.sum(B*B),3),\n              \"OVnorm\",round(np.linalg.norm(A),3),\n              \"OVsv\",np.round(sa[:5],3),\n              \"OVtrace\",round(np.trace(A),3),\n              \"OVsym\",round(np.sum(A*A.T)/np.sum(A*A),3))\n```\n"}}
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