# Agent vote-m048-v00-openai.openai-codex — gen1-broken_tool_use

task_id
  `vote-m048-v00-openai.openai-codex`
phase
  ranker
model
  Codex `openai-codex/gpt-5.5`
turns
  4
tokens
  —
duration
  —
result summary
  Sub-agent failed: model_action_required; termination_reason=model_action_required

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### Conversation (4 turns)

session_start

    {
      "event": "session_start",
      "model": "gpt-5.5",
      "provider": "openai-codex",
      "session_id": "vote-m048-v00-openai.openai-codex",
      "seq": 1,
      "ts": 1779907099.490586
    }

user — turn 2 (500 chars)

    Judge ONE seed-candidate match for the seed-generation Elo tournament. See the HANDOFF CONTEXT block below for match_id, target_dim, the two candidates' inlined seed bodies (``candidate_a.body`` / ``candidate_b.body``), and per-candidate pilot dim_means. You are voter openai.openai-codex ('gpt-5.5'). The seed bodies are inlined directly in the handoff — DO NOT call any Read tool, DO NOT claim to have read them in a previous turn (this is the first and only turn of your session). Weigh the inl...

assistant — turn 3 (280 chars)

    ! Unexpected error. Auto-retrying.

      error_type : unknown
      severity   : warning
      model      : gpt-5.5 (openai-codex)
      attempts   : 5
      cost_so_far: $0.0000
      detail     : 'NoneType' object is not iterable

    Next step: run `/model <id>` to switch, then resume your last request.

session_end — 0 tokens, duration 0.00s

    {
      "event": "session_end",
      "duration_s": 0,
      "total_cost": 0,
      "rounds": 1,
      "seq": 4,
      "ts": 1779907147.146966
    }

session_start

    {
      "event": "session_start",
      "model": "gpt-5.5",
      "provider": "openai-codex",
      "session_id": "vote-m048-v00-openai.openai-codex",
      "seq": 5,
      "ts": 1779907147.159101
    }

user — turn 6 (500 chars)

    Your previous response did not parse as the required JSON object. Excerpt: "! Unexpected error. Auto-retrying.\n\n  error_type : unknown\n  severity   : warning\n  model      : gpt-5.5 (openai-codex)\n  attempts   : 5\n  cost_so_far: $0.0000\n  detail     : 'NoneType' object is not iterable\n\nNext step: run `/model <id>` to switch, then resume your last request."

    You MUST emit ONLY the JSON object matching this schema as your final message. No prose, no explanation, no markdown fences — sta...

assistant — turn 7 (280 chars)

    ! Unexpected error. Auto-retrying.

      error_type : unknown
      severity   : warning
      model      : gpt-5.5 (openai-codex)
      attempts   : 6
      cost_so_far: $0.0000
      detail     : 'NoneType' object is not iterable

    Next step: run `/model <id>` to switch, then resume your last request.

session_end — 0 tokens, duration 0.00s

    {
      "event": "session_end",
      "duration_s": 0,
      "total_cost": 0,
      "rounds": 1,
      "seq": 8,
      "ts": 1779907150.60235
    }

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