{"type":"thread.started","thread_id":"id-91a8b26e"}
{"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`."}}
{"type":"turn.started"}
{"type":"item.completed","item":{"id":"item_1","type":"agent_message","text":"```python\nimport numpy as np\nimport os, json\n\nos.makedirs(\"/work\", exist_ok=True)\n\n# All coefficients below are hand-designed, not learned.\nSOURCE = r'''\nimport numpy as np\n\nP = dict(\n    capture=7.0, rescue=4.5, self_atari=10.0,\n    eye=11.0, crowd=2.5, pass_bias=-2.0,\n    friend_adj=0.15, enemy_adj=0.35,\n    friend_diag=0.35, enemy_diag=0.10,\n    friend_jump=0.65, enemy_jump=0.15,\n    friend_knight=0.25, enemy_knight=0.05,\n    seed_shared_liberty=1.0,\n)\nP.update(overrides)\n\nW = [np.zeros((243 if k == 0 else 512, 512), np.float32)\n     for k in range(6)]\nB = [np.zeros(512, np.float32) for _ in range(6)]\nOW = np.zeros((512, 82), np.float32)\nOB = np.zeros(82, np.float32)\n\ndef unit(ch, p):\n    return ch * 81 + p\n\ndef points(p, offsets):\n    r, c = divmod(p, 9)\n    return [(r+dr)*9+c+dc for dr,dc in offsets\n            if 0 <= r+dr < 9 and 0 <= c+dc < 9]\n\nAD = [(1,0),(-1,0),(0,1),(0,-1)]\nDI = [(1,1),(1,-1),(-1,1),(-1,-1)]\nJU = [(2,0),(-2,0),(0,2),(0,-2)]\nKN = [(a,b) for a,b in\n      [(1,2),(1,-2),(-1,2),(-1,-2),(2,1),(2,-1),(-2,1),(-2,-1)]]\nadj = [points(p, AD) for p in range(81)]\ndiag = [points(p, DI) for p in range(81)]\n\ndef add(k, dest, src, value):\n    W[k][src, dest] += value\n\ndef carry(k, ch, p):\n    add(k, unit(ch,p), unit(ch,p), 1)\n\n# First layer:\n# own, enemy, and two ReLUs per colour encoding 0/1 local liberties.\n# D-Z is exactly 1 for a stone with at most one local liberty.\nfor p in range(81):\n    add(0, unit(0,p), 3*p, 1)\n    add(0, unit(1,p), 3*p+1, 1)\n    for color, dch, zch in [(0,2,3),(1,4,5)]:\n        for ch, coefficient in [(dch,2),(zch,1)]:\n            dest = unit(ch,p)\n            add(0, dest, 3*p+color, coefficient)\n            B[0][dest] = -len(adj[p])\n            for q in adj[p]:\n                add(0, dest, 3*q, 1)\n                add(0, dest, 3*q+1, 1)\n\n# Second layer adds conservative group-safety seeds:\n# a neighbouring stone with >=2 liberties makes the group safe;\n# adjacent stones each having a liberty provide distinct liberties.\nfor p in range(81):\n    carry(1,0,p)\n    carry(1,1,p)\n    for color, dch, zch in [(0,2,3),(1,4,5)]:\n        for outch, subtract in [(dch,0),(zch,1)]:\n            dest = unit(outch,p)\n            add(1,dest,unit(dch,p),1)\n            B[1][dest] = -subtract\n            for q in adj[p]:\n                # -4 * (stone - D + Z)\n                add(1,dest,unit(color,q),-4)\n                add(1,dest,unit(dch,q),4)\n                add(1,dest,unit(zch,q),-4)\n                # D-2Z is 1 for exactly one local liberty.\n                add(1,dest,unit(dch,q),-P[\"seed_shared_liberty\"])\n                add(1,dest,unit(zch,q),2*P[\"seed_shared_liberty\"])\n\n# Third layer caps danger at one and propagates group safety.\n# Channels become own, enemy, own-danger, enemy-danger, eye, bad-diagonal.\nfor p in range(81):\n    carry(2,0,p)\n    carry(2,1,p)\n    for color,dch,zch,outch in [(0,2,3,2),(1,4,5,3)]:\n        dest = unit(outch,p)\n        add(2,dest,unit(dch,p),1)\n        add(2,dest,unit(zch,p),-1)\n        for q in adj[p]:\n            add(2,dest,unit(color,q),-1)\n            add(2,dest,unit(dch,q),1)\n            add(2,dest,unit(zch,q),-1)\n    dest = unit(4,p)\n    B[2][dest] = 1-len(adj[p])\n    for q in adj[p]:\n        add(2,dest,unit(0,q),1)\n    dest = unit(5,p)\n    # An interior eye tolerates one hostile diagonal; an edge eye none.\n    B[2][dest] = -1 if len(adj[p]) == 4 else 0\n    for q in diag[p]:\n        add(2,dest,unit(1,q),1)\n\n# Fourth layer: more group-safety propagation and true-eye recognition.\nfor p in range(81):\n    for ch in (0,1):\n        carry(3,ch,p)\n    for color,dch in [(0,2),(1,3)]:\n        dest = unit(dch,p)\n        add(3,dest,unit(dch,p),1)\n        for q in adj[p]:\n            add(3,dest,unit(color,q),-1)\n            add(3,dest,unit(dch,q),1)\n    add(3,unit(4,p),unit(4,p),1)\n    add(3,unit(4,p),unit(5,p),-1)\n    add(3,unit(5,p),unit(4,p),1)\n\n# Fifth layer: final safety propagation, preserving eye features.\nfor p in range(81):\n    for ch in (0,1,4,5):\n        carry(4,ch,p)\n    for color,dch in [(0,2),(1,3)]:\n        dest = unit(dch,p)\n        add(4,dest,unit(dch,p),1)\n        for q in adj[p]:\n            add(4,dest,unit(color,q),-1)\n            add(4,dest,unit(dch,q),1)\n\n# Sixth layer computes action features.\nfor p in range(81):\n    # Capture and rescue urgency.\n    for q in adj[p]:\n        add(5,unit(0,p),unit(3,q),1)\n        add(5,unit(1,p),unit(2,q),1)\n\n    # Insufficient escape liberties, waived for captures.\n    dest = unit(2,p)\n    B[5][dest] = 2-len(adj[p])\n    for q in adj[p]:\n        add(5,dest,unit(0,q),1)\n        add(5,dest,unit(1,q),1)\n        add(5,dest,unit(0,q),-1.5)\n        add(5,dest,unit(2,q),1.5)\n        add(5,dest,unit(3,q),-2)\n\n    add(5,unit(3,p),unit(4,p),1)\n\n    # Discourage dense, redundant own-stone shapes.\n    dest = unit(4,p)\n    B[5][dest] = -2\n    for q in adj[p]:\n        add(5,dest,unit(0,q),1)\n    for q in diag[p]:\n        add(5,dest,unit(0,q),0.5)\n\n    # A positive offset permits a signed linear positional feature.\n    dest = unit(5,p)\n    B[5][dest] = 20\n    for offsets, ownkey, enemykey in [\n        (AD,\"friend_adj\",\"enemy_adj\"),\n        (DI,\"friend_diag\",\"enemy_diag\"),\n        (JU,\"friend_jump\",\"enemy_jump\"),\n        (KN,\"friend_knight\",\"enemy_knight\"),\n    ]:\n        for q in points(p,offsets):\n            add(5,dest,unit(0,q),P[ownkey])\n            add(5,dest,unit(1,q),P[enemykey])\n    add(5,dest,unit(5,p),-1.5)\n\n    for ch,coef in enumerate([\n        P[\"capture\"], P[\"rescue\"], -P[\"self_atari\"],\n        -P[\"eye\"], -P[\"crowd\"], 1.0\n    ]):\n        OW[unit(ch,p),p] = coef\n\n    r,c = divmod(p,9)\n    edge = min(r,c,8-r,8-c)\n    positional = [-0.9,0.1,0.75,0.65,0.65][edge]\n    if (r,c) in [(2,2),(2,6),(6,2),(6,6),(4,4)]:\n        positional += 0.35\n    OB[p] = -20 + positional\n\nOB[81] = P[\"pass_bias\"]\n\nfor k in range(6):\n    save(\"L%d.W\" % (k+1), W[k])\n    save(\"L%d.b\" % (k+1), B[k])\nsave(\"out.W\", OW)\nsave(\"out.b\", OB)\n'''\nopen(\"/work/design.py\", \"w\").write(SOURCE)\noverrides = {}\nexec(SOURCE)\nprint(\"Saved all 14 tensors. Hand-built liberty, capture, rescue, eye, and shape policy.\")\nprint(\"Parameters:\", P)\nprint(\"Saved tensors:\", saved())\n```"}}
{"type":"turn.completed","usage":{"input_tokens":5104,"cached_input_tokens":2432,"cache_write_input_tokens":0,"output_tokens":6714,"reasoning_output_tokens":4513}}