{
  "run_id": "session-reaction-kinetics-001",
  "events": [
    {
      "timestamp": "2026-10-17T08:56:47.446092Z",
      "type": "task_started",
      "run_id": "session-reaction-kinetics-001",
      "task_id": "reaction-kinetics",
      "model": "codex-in-session",
      "n_steps": 1,
      "reasoning_effort": null,
      "use_hints": false
    },
    {
      "timestamp": "2026-10-17T08:56:47.656300Z",
      "metadata": {
        "environment_version": "0.2.0",
        "task_id": "reaction-kinetics",
        "world_type": "synthetic"
      },
      "type": "task_pre_hook_completed"
    },
    {
      "timestamp": "2026-10-17T08:56:47.675619Z",
      "type": "message_added",
      "message": {
        "content": "You are working in a sandboxed computing environment. Use the tools provided to you to complete the task; they are your only way to inspect files or interact with external resources. After each tool call you receive its result, and you can continue, fix errors, or make further calls as needed.\n\nIMPORTANT: You are operating in a fully automated evaluation environment with NO human in the loop.\n- Make all decisions autonomously - never ask for permission, confirmation, or input\n- If you encounter an error, fix it yourself and continue\n- You may list options or explain your reasoning, but always choose and proceed yourself - never wait for user selection",
        "role": "system",
        "tool_calls": null,
        "reasoning_content": null,
        "thinking_blocks": null,
        "reasoning_items": null,
        "tool_call_id": null
      },
      "finish_reason": null,
      "raw": null
    },
    {
      "timestamp": "2026-10-17T08:56:47.678905Z",
      "type": "step_started",
      "step": 0
    },
    {
      "timestamp": "2026-10-17T08:56:47.685826Z",
      "type": "message_added",
      "message": {
        "content": "Investigate the synthetic scientific system described in /workdir/shared/task.json. Call lab_state() to read the full task, query inputs, experiment catalogue, initial observations, measurement-noise assumptions, budget and exact scoring rule. Choose experiments with run_experiment(action_id=...). You can compute with Python, NumPy and SciPy using bash. Your goal is to predict the noise-free mean outcomes of the listed held-out queries accurately within the experiment budget. The query inputs are visible, but their outcomes cannot be queried. Write exactly {\"predictions\": [[number, ...], ...]} to /workdir/data/predictions.json, in the query/output order specified by the task. Only that numeric submission is graded; text explanations are not scored. When ready, end with a final message. Grading occurs once after the episode ends; there is no score feedback during experimentation. Missing, malformed, nonfinite, wrongly shaped or tampered submissions receive zero. The simulator is an explicit mathematical testbed, not a claim about a real specimen.",
        "role": "user",
        "tool_calls": null,
        "reasoning_content": null,
        "thinking_blocks": null,
        "reasoning_items": null,
        "tool_call_id": null
      },
      "finish_reason": null,
      "raw": null
    },
    {
      "timestamp": "2026-10-17T08:56:57.362652Z",
      "type": "message_added",
      "message": {
        "content": "",
        "role": "assistant",
        "tool_calls": [
          {
            "id": "call_c543b596d0b3",
            "function": {
              "name": "lab_state",
              "arguments": "{}"
            },
            "type": "function"
          }
        ],
        "reasoning_content": null,
        "thinking_blocks": null,
        "reasoning_items": null,
        "tool_call_id": null
      },
      "finish_reason": null,
      "raw": null
    },
    {
      "timestamp": "2026-10-17T08:56:57.374753Z",
      "type": "tool_call_started",
      "tool_call": {
        "id": "call_c543b596d0b3",
        "function": {
          "name": "lab_state",
          "arguments": "{}"
        },
        "type": "function"
      }
    },
    {
      "timestamp": "2026-10-17T08:56:57.427734Z",
      "type": "tool_call_completed",
      "tool_call_id": "call_c543b596d0b3",
      "result": {
        "meta": null,
        "content": [
          {
            "type": "text",
            "text": "{\"specification\": {\"task_id\": \"reaction-kinetics\", \"version\": \"0.2.0\", \"budget\": 3, \"cost_semantics\": \"Every accepted experiment costs one credit; at most two repeats per action. Invalid requests cost nothing. The budget is a hard constraint; unused credits do not directly increase the score.\", \"measurement_noise\": \"Independent additive zero-mean Gaussian noise per output and replicate, with the listed fixed standard deviations. Readouts are not clipped. Each measurement has equal synthetic exposure/cost. Repeating observe_initial returns the same initial data, not new measurements.\", \"split_definition\": \"Train and test use independent parameter/noise draws from the same published distributions. No claim of out-of-family generalization.\", \"status\": \"Original synthetic prototype; no physical calibration or LLM training result.\", \"submission\": \"Submit one finite numeric matrix in the exact prediction_shape. Submission is terminal and cannot be retried after acceptance.\", \"scoring\": {\"name\": \"inverse_normalized_mse\", \"formula\": \"score = 1 / (1 + mean(((prediction - noiseless_hidden_target) / scale)^2))\", \"scale\": [0.02], \"range\": [0, 1], \"meaning\": \"Higher is better. Exact latent-mean prediction scores 1. A normalized RMSE equal to one measurement-noise standard deviation scores 0.5. Measurement noise is not added to hidden targets.\"}, \"title\": \"Reaction mechanism identification\", \"outputs\": [\"concentration\"], \"noise_std\": [0.02], \"instructions\": \"Distinguish two idealized mass-conserving reaction mechanisms by choosing time/species assays under a three-credit budget. Predict the listed unmeasured early, middle and late time-course concentrations. Initial concentration and mechanism family are known; mechanism and rates are hidden.\", \"model\": \"Either sequential A -> B -> C with rates k1,k2, or parallel A -> B and A -> C with rates k1,k2. First-order irreversible kinetics, initial A=c and B=C=0; no physical calibration.\", \"prior\": \"Mechanism is equally likely. Rates k1,k2 independently log-Uniform(0.1,0.75), in inverse synthetic time units.\", \"initial_queries\": [{\"time\": 0.5, \"species\": \"A\", \"concentration\": 1.0}], \"prediction_queries\": [{\"time\": 0.4, \"species\": \"A\", \"concentration\": 1.0}, {\"time\": 0.4, \"species\": \"B\", \"concentration\": 1.0}, {\"time\": 0.4, \"species\": \"C\", \"concentration\": 1.0}, {\"time\": 1.25, \"species\": \"A\", \"concentration\": 0.7}, {\"time\": 1.25, \"species\": \"B\", \"concentration\": 0.7}, {\"time\": 1.25, \"species\": \"C\", \"concentration\": 0.7}, {\"time\": 3.5, \"species\": \"A\", \"concentration\": 1.0}, {\"time\": 3.5, \"species\": \"B\", \"concentration\": 1.0}, {\"time\": 3.5, \"species\": \"C\", \"concentration\": 1.0}, {\"time\": 7.5, \"species\": \"A\", \"concentration\": 1.3}, {\"time\": 7.5, \"species\": \"B\", \"concentration\": 1.3}, {\"time\": 7.5, \"species\": \"C\", \"concentration\": 1.3}, {\"time\": 10.0, \"species\": \"A\", \"concentration\": 1.0}, {\"time\": 10.0, \"species\": \"B\", \"concentration\": 1.0}, {\"time\": 10.0, \"species\": \"C\", \"concentration\": 1.0}], \"experiments\": [{\"id\": \"assay-A-0\", \"label\": \"Assay A at t=0.25\", \"query\": {\"time\": 0.25, \"species\": \"A\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}, {\"id\": \"assay-B-0\", \"label\": \"Assay B at t=0.25\", \"query\": {\"time\": 0.25, \"species\": \"B\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}, {\"id\": \"assay-C-0\", \"label\": \"Assay C at t=0.25\", \"query\": {\"time\": 0.25, \"species\": \"C\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}, {\"id\": \"assay-A-1\", \"label\": \"Assay A at t=0.75\", \"query\": {\"time\": 0.75, \"species\": \"A\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}, {\"id\": \"assay-B-1\", \"label\": \"Assay B at t=0.75\", \"query\": {\"time\": 0.75, \"species\": \"B\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}, {\"id\": \"assay-C-1\", \"label\": \"Assay C at t=0.75\", \"query\": {\"time\": 0.75, \"species\": \"C\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}, {\"id\": \"assay-A-2\", \"label\": \"Assay A at t=1.5\", \"query\": {\"time\": 1.5, \"species\": \"A\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}, {\"id\": \"assay-B-2\", \"label\": \"Assay B at t=1.5\", \"query\": {\"time\": 1.5, \"species\": \"B\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}, {\"id\": \"assay-C-2\", \"label\": \"Assay C at t=1.5\", \"query\": {\"time\": 1.5, \"species\": \"C\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}, {\"id\": \"assay-A-3\", \"label\": \"Assay A at t=2.5\", \"query\": {\"time\": 2.5, \"species\": \"A\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}, {\"id\": \"assay-B-3\", \"label\": \"Assay B at t=2.5\", \"query\": {\"time\": 2.5, \"species\": \"B\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}, {\"id\": \"assay-C-3\", \"label\": \"Assay C at t=2.5\", \"query\": {\"time\": 2.5, \"species\": \"C\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}, {\"id\": \"assay-A-4\", \"label\": \"Assay A at t=4\", \"query\": {\"time\": 4.0, \"species\": \"A\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}, {\"id\": \"assay-B-4\", \"label\": \"Assay B at t=4\", \"query\": {\"time\": 4.0, \"species\": \"B\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}, {\"id\": \"assay-C-4\", \"label\": \"Assay C at t=4\", \"query\": {\"time\": 4.0, \"species\": \"C\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}, {\"id\": \"assay-A-5\", \"label\": \"Assay A at t=6\", \"query\": {\"time\": 6.0, \"species\": \"A\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}, {\"id\": \"assay-B-5\", \"label\": \"Assay B at t=6\", \"query\": {\"time\": 6.0, \"species\": \"B\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}, {\"id\": \"assay-C-5\", \"label\": \"Assay C at t=6\", \"query\": {\"time\": 6.0, \"species\": \"C\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}, {\"id\": \"assay-A-6\", \"label\": \"Assay A at t=8\", \"query\": {\"time\": 8.0, \"species\": \"A\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}, {\"id\": \"assay-B-6\", \"label\": \"Assay B at t=8\", \"query\": {\"time\": 8.0, \"species\": \"B\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}, {\"id\": \"assay-C-6\", \"label\": \"Assay C at t=8\", \"query\": {\"time\": 8.0, \"species\": \"C\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}], \"action_schema\": {\"type\": \"object\", \"properties\": {\"action_id\": {\"type\": \"string\", \"enum\": [\"assay-A-0\", \"assay-B-0\", \"assay-C-0\", \"assay-A-1\", \"assay-B-1\", \"assay-C-1\", \"assay-A-2\", \"assay-B-2\", \"assay-C-2\", \"assay-A-3\", \"assay-B-3\", \"assay-C-3\", \"assay-A-4\", \"assay-B-4\", \"assay-C-4\", \"assay-A-5\", \"assay-B-5\", \"assay-C-5\", \"assay-A-6\", \"assay-B-6\", \"assay-C-6\"]}}, \"required\": [\"action_id\"], \"additionalProperties\": false}, \"prediction_shape\": [15, 1]}, \"initial_observations\": [{\"query\": {\"time\": 0.5, \"species\": \"A\", \"concentration\": 1.0}, \"values\": [0.6154851979932581], \"noise_std\": [0.02]}], \"transcript\": {\"task_id\": \"reaction-kinetics\", \"version\": \"0.2.0\", \"events\": [{\"type\": \"initial\", \"observations\": [{\"query\": {\"time\": 0.5, \"species\": \"A\", \"concentration\": 1.0}, \"values\": [0.6154851979932581], \"noise_std\": [0.02]}]}]}, \"closed\": false}",
            "annotations": null,
            "meta": null
          }
        ],
        "structuredContent": null,
        "isError": false
      }
    },
    {
      "timestamp": "2026-10-17T08:56:57.427749Z",
      "type": "message_added",
      "message": {
        "content": [
          {
            "type": "text",
            "text": "{\"specification\": {\"task_id\": \"reaction-kinetics\", \"version\": \"0.2.0\", \"budget\": 3, \"cost_semantics\": \"Every accepted experiment costs one credit; at most two repeats per action. Invalid requests cost nothing. The budget is a hard constraint; unused credits do not directly increase the score.\", \"measurement_noise\": \"Independent additive zero-mean Gaussian noise per output and replicate, with the listed fixed standard deviations. Readouts are not clipped. Each measurement has equal synthetic exposure/cost. Repeating observe_initial returns the same initial data, not new measurements.\", \"split_definition\": \"Train and test use independent parameter/noise draws from the same published distributions. No claim of out-of-family generalization.\", \"status\": \"Original synthetic prototype; no physical calibration or LLM training result.\", \"submission\": \"Submit one finite numeric matrix in the exact prediction_shape. Submission is terminal and cannot be retried after acceptance.\", \"scoring\": {\"name\": \"inverse_normalized_mse\", \"formula\": \"score = 1 / (1 + mean(((prediction - noiseless_hidden_target) / scale)^2))\", \"scale\": [0.02], \"range\": [0, 1], \"meaning\": \"Higher is better. Exact latent-mean prediction scores 1. A normalized RMSE equal to one measurement-noise standard deviation scores 0.5. Measurement noise is not added to hidden targets.\"}, \"title\": \"Reaction mechanism identification\", \"outputs\": [\"concentration\"], \"noise_std\": [0.02], \"instructions\": \"Distinguish two idealized mass-conserving reaction mechanisms by choosing time/species assays under a three-credit budget. Predict the listed unmeasured early, middle and late time-course concentrations. Initial concentration and mechanism family are known; mechanism and rates are hidden.\", \"model\": \"Either sequential A -> B -> C with rates k1,k2, or parallel A -> B and A -> C with rates k1,k2. First-order irreversible kinetics, initial A=c and B=C=0; no physical calibration.\", \"prior\": \"Mechanism is equally likely. Rates k1,k2 independently log-Uniform(0.1,0.75), in inverse synthetic time units.\", \"initial_queries\": [{\"time\": 0.5, \"species\": \"A\", \"concentration\": 1.0}], \"prediction_queries\": [{\"time\": 0.4, \"species\": \"A\", \"concentration\": 1.0}, {\"time\": 0.4, \"species\": \"B\", \"concentration\": 1.0}, {\"time\": 0.4, \"species\": \"C\", \"concentration\": 1.0}, {\"time\": 1.25, \"species\": \"A\", \"concentration\": 0.7}, {\"time\": 1.25, \"species\": \"B\", \"concentration\": 0.7}, {\"time\": 1.25, \"species\": \"C\", \"concentration\": 0.7}, {\"time\": 3.5, \"species\": \"A\", \"concentration\": 1.0}, {\"time\": 3.5, \"species\": \"B\", \"concentration\": 1.0}, {\"time\": 3.5, \"species\": \"C\", \"concentration\": 1.0}, {\"time\": 7.5, \"species\": \"A\", \"concentration\": 1.3}, {\"time\": 7.5, \"species\": \"B\", \"concentration\": 1.3}, {\"time\": 7.5, \"species\": \"C\", \"concentration\": 1.3}, {\"time\": 10.0, \"species\": \"A\", \"concentration\": 1.0}, {\"time\": 10.0, \"species\": \"B\", \"concentration\": 1.0}, {\"time\": 10.0, \"species\": \"C\", \"concentration\": 1.0}], \"experiments\": [{\"id\": \"assay-A-0\", \"label\": \"Assay A at t=0.25\", \"query\": {\"time\": 0.25, \"species\": \"A\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}, {\"id\": \"assay-B-0\", \"label\": \"Assay B at t=0.25\", \"query\": {\"time\": 0.25, \"species\": \"B\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}, {\"id\": \"assay-C-0\", \"label\": \"Assay C at t=0.25\", \"query\": {\"time\": 0.25, \"species\": \"C\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}, {\"id\": \"assay-A-1\", \"label\": \"Assay A at t=0.75\", \"query\": {\"time\": 0.75, \"species\": \"A\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}, {\"id\": \"assay-B-1\", \"label\": \"Assay B at t=0.75\", \"query\": {\"time\": 0.75, \"species\": \"B\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}, {\"id\": \"assay-C-1\", \"label\": \"Assay C at t=0.75\", \"query\": {\"time\": 0.75, \"species\": \"C\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}, {\"id\": \"assay-A-2\", \"label\": \"Assay A at t=1.5\", \"query\": {\"time\": 1.5, \"species\": \"A\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}, {\"id\": \"assay-B-2\", \"label\": \"Assay B at t=1.5\", \"query\": {\"time\": 1.5, \"species\": \"B\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}, {\"id\": \"assay-C-2\", \"label\": \"Assay C at t=1.5\", \"query\": {\"time\": 1.5, \"species\": \"C\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}, {\"id\": \"assay-A-3\", \"label\": \"Assay A at t=2.5\", \"query\": {\"time\": 2.5, \"species\": \"A\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}, {\"id\": \"assay-B-3\", \"label\": \"Assay B at t=2.5\", \"query\": {\"time\": 2.5, \"species\": \"B\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}, {\"id\": \"assay-C-3\", \"label\": \"Assay C at t=2.5\", \"query\": {\"time\": 2.5, \"species\": \"C\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}, {\"id\": \"assay-A-4\", \"label\": \"Assay A at t=4\", \"query\": {\"time\": 4.0, \"species\": \"A\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}, {\"id\": \"assay-B-4\", \"label\": \"Assay B at t=4\", \"query\": {\"time\": 4.0, \"species\": \"B\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}, {\"id\": \"assay-C-4\", \"label\": \"Assay C at t=4\", \"query\": {\"time\": 4.0, \"species\": \"C\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}, {\"id\": \"assay-A-5\", \"label\": \"Assay A at t=6\", \"query\": {\"time\": 6.0, \"species\": \"A\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}, {\"id\": \"assay-B-5\", \"label\": \"Assay B at t=6\", \"query\": {\"time\": 6.0, \"species\": \"B\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}, {\"id\": \"assay-C-5\", \"label\": \"Assay C at t=6\", \"query\": {\"time\": 6.0, \"species\": \"C\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}, {\"id\": \"assay-A-6\", \"label\": \"Assay A at t=8\", \"query\": {\"time\": 8.0, \"species\": \"A\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}, {\"id\": \"assay-B-6\", \"label\": \"Assay B at t=8\", \"query\": {\"time\": 8.0, \"species\": \"B\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}, {\"id\": \"assay-C-6\", \"label\": \"Assay C at t=8\", \"query\": {\"time\": 8.0, \"species\": \"C\", \"concentration\": 1.0}, \"cost\": 1, \"max_replicates\": 2}], \"action_schema\": {\"type\": \"object\", \"properties\": {\"action_id\": {\"type\": \"string\", \"enum\": [\"assay-A-0\", \"assay-B-0\", \"assay-C-0\", \"assay-A-1\", \"assay-B-1\", \"assay-C-1\", \"assay-A-2\", \"assay-B-2\", \"assay-C-2\", \"assay-A-3\", \"assay-B-3\", \"assay-C-3\", \"assay-A-4\", \"assay-B-4\", \"assay-C-4\", \"assay-A-5\", \"assay-B-5\", \"assay-C-5\", \"assay-A-6\", \"assay-B-6\", \"assay-C-6\"]}}, \"required\": [\"action_id\"], \"additionalProperties\": false}, \"prediction_shape\": [15, 1]}, \"initial_observations\": [{\"query\": {\"time\": 0.5, \"species\": \"A\", \"concentration\": 1.0}, \"values\": [0.6154851979932581], \"noise_std\": [0.02]}], \"transcript\": {\"task_id\": \"reaction-kinetics\", \"version\": \"0.2.0\", \"events\": [{\"type\": \"initial\", \"observations\": [{\"query\": {\"time\": 0.5, \"species\": \"A\", \"concentration\": 1.0}, \"values\": [0.6154851979932581], \"noise_std\": [0.02]}]}]}, \"closed\": false}"
          },
          {
            "type": "text",
            "text": "Time remaining: 1790 seconds"
          }
        ],
        "role": "tool",
        "tool_calls": null,
        "reasoning_content": null,
        "thinking_blocks": null,
        "reasoning_items": null,
        "tool_call_id": "call_c543b596d0b3"
      },
      "finish_reason": null,
      "raw": null
    },
    {
      "timestamp": "2026-10-17T08:57:17.378504Z",
      "type": "message_added",
      "message": {
        "content": "",
        "role": "assistant",
        "tool_calls": [
          {
            "id": "call_aac63d9fb9c6",
            "function": {
              "name": "bash",
              "arguments": "{\"command\": \"python - <<'PY'\\nimport json\\np=json.load(open('/workdir/shared/task.json'))\\nprint(type(p).__name__, list(p))\\nprint(json.dumps(p,indent=2)[:4000])\\nPY\"}"
            },
            "type": "function"
          }
        ],
        "reasoning_content": null,
        "thinking_blocks": null,
        "reasoning_items": null,
        "tool_call_id": null
      },
      "finish_reason": null,
      "raw": null
    },
    {
      "timestamp": "2026-10-17T08:57:17.389619Z",
      "type": "tool_call_started",
      "tool_call": {
        "id": "call_aac63d9fb9c6",
        "function": {
          "name": "bash",
          "arguments": "{\"command\": \"python - <<'PY'\\nimport json\\np=json.load(open('/workdir/shared/task.json'))\\nprint(type(p).__name__, list(p))\\nprint(json.dumps(p,indent=2)[:4000])\\nPY\"}"
        },
        "type": "function"
      }
    },
    {
      "timestamp": "2026-10-17T08:57:17.542118Z",
      "type": "tool_call_completed",
      "tool_call_id": "call_aac63d9fb9c6",
      "result": {
        "meta": null,
        "content": [
          {
            "type": "text",
            "text": "{\"stdout\":\"dict ['specification', 'initial_observations']\\n{\\n  \\\"specification\\\": {\\n    \\\"task_id\\\": \\\"reaction-kinetics\\\",\\n    \\\"version\\\": \\\"0.2.0\\\",\\n    \\\"budget\\\": 3,\\n    \\\"cost_semantics\\\": \\\"Every accepted experiment costs one credit; at most two repeats per action. Invalid requests cost nothing. The budget is a hard constraint; unused credits do not directly increase the score.\\\",\\n    \\\"measurement_noise\\\": \\\"Independent additive zero-mean Gaussian noise per output and replicate, with the listed fixed standard deviations. Readouts are not clipped. Each measurement has equal synthetic exposure/cost. Repeating observe_initial returns the same initial data, not new measurements.\\\",\\n    \\\"split_definition\\\": \\\"Train and test use independent parameter/noise draws from the same published distributions. No claim of out-of-family generalization.\\\",\\n    \\\"status\\\": \\\"Original synthetic prototype; no physical calibration or LLM training result.\\\",\\n    \\\"submission\\\": \\\"Submit one finite numeric matrix in the exact prediction_shape. Submission is terminal and cannot be retried after acceptance.\\\",\\n    \\\"scoring\\\": {\\n      \\\"name\\\": \\\"inverse_normalized_mse\\\",\\n      \\\"formula\\\": \\\"score = 1 / (1 + mean(((prediction - noiseless_hidden_target) / scale)^2))\\\",\\n      \\\"scale\\\": [\\n        0.02\\n      ],\\n      \\\"range\\\": [\\n        0,\\n        1\\n      ],\\n      \\\"meaning\\\": \\\"Higher is better. Exact latent-mean prediction scores 1. A normalized RMSE equal to one measurement-noise standard deviation scores 0.5. Measurement noise is not added to hidden targets.\\\"\\n    },\\n    \\\"title\\\": \\\"Reaction mechanism identification\\\",\\n    \\\"outputs\\\": [\\n      \\\"concentration\\\"\\n    ],\\n    \\\"noise_std\\\": [\\n      0.02\\n    ],\\n    \\\"instructions\\\": \\\"Distinguish two idealized mass-conserving reaction mechanisms by choosing time/species assays under a three-credit budget. Predict the listed unmeasured early, middle and late time-course concentrations. Initial concentration and mechanism family are known; mechanism and rates are hidden.\\\",\\n    \\\"model\\\": \\\"Either sequential A -> B -> C with rates k1,k2, or parallel A -> B and A -> C with rates k1,k2. First-order irreversible kinetics, initial A=c and B=C=0; no physical calibration.\\\",\\n    \\\"prior\\\": \\\"Mechanism is equally likely. Rates k1,k2 independently log-Uniform(0.1,0.75), in inverse synthetic time units.\\\",\\n    \\\"initial_queries\\\": [\\n      {\\n        \\\"time\\\": 0.5,\\n        \\\"species\\\": \\\"A\\\",\\n        \\\"concentration\\\": 1.0\\n      }\\n    ],\\n    \\\"prediction_queries\\\": [\\n      {\\n        \\\"time\\\": 0.4,\\n        \\\"species\\\": \\\"A\\\",\\n        \\\"concentration\\\": 1.0\\n      },\\n      {\\n        \\\"time\\\": 0.4,\\n        \\\"species\\\": \\\"B\\\",\\n        \\\"concentration\\\": 1.0\\n      },\\n      {\\n        \\\"time\\\": 0.4,\\n        \\\"species\\\": \\\"C\\\",\\n        \\\"concentration\\\": 1.0\\n      },\\n      {\\n        \\\"time\\\": 1.25,\\n        \\\"species\\\": \\\"A\\\",\\n        \\\"concentration\\\": 0.7\\n      },\\n      {\\n        \\\"time\\\": 1.25,\\n        \\\"species\\\": \\\"B\\\",\\n        \\\"concentration\\\": 0.7\\n      },\\n      {\\n        \\\"time\\\": 1.25,\\n        \\\"species\\\": \\\"C\\\",\\n        \\\"concentration\\\": 0.7\\n      },\\n      {\\n        \\\"time\\\": 3.5,\\n        \\\"species\\\": \\\"A\\\",\\n        \\\"concentration\\\": 1.0\\n      },\\n      {\\n        \\\"time\\\": 3.5,\\n        \\\"species\\\": \\\"B\\\",\\n        \\\"concentration\\\": 1.0\\n      },\\n      {\\n        \\\"time\\\": 3.5,\\n        \\\"species\\\": \\\"C\\\",\\n        \\\"concentration\\\": 1.0\\n      },\\n      {\\n        \\\"time\\\": 7.5,\\n        \\\"species\\\": \\\"A\\\",\\n        \\\"concentration\\\": 1.3\\n      },\\n      {\\n        \\\"time\\\": 7.5,\\n        \\\"species\\\": \\\"B\\\",\\n        \\\"concentration\\\": 1.3\\n      },\\n      {\\n        \\\"time\\\": 7.5,\\n        \\\"species\\\": \\\"C\\\",\\n        \\\"concentration\\\": 1.3\\n      },\\n      {\\n        \\\"time\\\": 10.0,\\n        \\\"species\\\": \\\"A\\\",\\n        \\\"concentration\\\": 1.0\\n      },\\n      {\\n        \\\"time\\\": 10.0,\\n        \\\"species\\\": \\\"B\\\",\\n        \\\"concentration\\\": 1.0\\n      },\\n      {\\n        \\\"time\\\": 10.0,\\n        \\\"species\\\": \\\"C\\\",\\n        \\\"concentration\\\": 1.0\\n      }\\n    ],\\n    \\\"experiments\\\": [\\n      {\\n        \\\"id\\\": \\\"assay-A-0\\\",\\n        \\\"label\\\": \\\"Assay A at t=0.25\\\",\\n        \\\"query\\\": {\\n          \\\"time\\\": 0.25,\\n          \\\"species\\\": \\\"A\\\",\\n          \\\"concentration\\\": 1.0\\n        },\\n        \\\"cost\\\": 1,\\n        \\\"m\\n\",\"exit_code\":0}",
            "annotations": null,
            "meta": null
          }
        ],
        "structuredContent": {
          "stdout": "dict ['specification', 'initial_observations']\n{\n  \"specification\": {\n    \"task_id\": \"reaction-kinetics\",\n    \"version\": \"0.2.0\",\n    \"budget\": 3,\n    \"cost_semantics\": \"Every accepted experiment costs one credit; at most two repeats per action. Invalid requests cost nothing. The budget is a hard constraint; unused credits do not directly increase the score.\",\n    \"measurement_noise\": \"Independent additive zero-mean Gaussian noise per output and replicate, with the listed fixed standard deviations. Readouts are not clipped. Each measurement has equal synthetic exposure/cost. Repeating observe_initial returns the same initial data, not new measurements.\",\n    \"split_definition\": \"Train and test use independent parameter/noise draws from the same published distributions. No claim of out-of-family generalization.\",\n    \"status\": \"Original synthetic prototype; no physical calibration or LLM training result.\",\n    \"submission\": \"Submit one finite numeric matrix in the exact prediction_shape. Submission is terminal and cannot be retried after acceptance.\",\n    \"scoring\": {\n      \"name\": \"inverse_normalized_mse\",\n      \"formula\": \"score = 1 / (1 + mean(((prediction - noiseless_hidden_target) / scale)^2))\",\n      \"scale\": [\n        0.02\n      ],\n      \"range\": [\n        0,\n        1\n      ],\n      \"meaning\": \"Higher is better. Exact latent-mean prediction scores 1. A normalized RMSE equal to one measurement-noise standard deviation scores 0.5. Measurement noise is not added to hidden targets.\"\n    },\n    \"title\": \"Reaction mechanism identification\",\n    \"outputs\": [\n      \"concentration\"\n    ],\n    \"noise_std\": [\n      0.02\n    ],\n    \"instructions\": \"Distinguish two idealized mass-conserving reaction mechanisms by choosing time/species assays under a three-credit budget. Predict the listed unmeasured early, middle and late time-course concentrations. Initial concentration and mechanism family are known; mechanism and rates are hidden.\",\n    \"model\": \"Either sequential A -> B -> C with rates k1,k2, or parallel A -> B and A -> C with rates k1,k2. First-order irreversible kinetics, initial A=c and B=C=0; no physical calibration.\",\n    \"prior\": \"Mechanism is equally likely. Rates k1,k2 independently log-Uniform(0.1,0.75), in inverse synthetic time units.\",\n    \"initial_queries\": [\n      {\n        \"time\": 0.5,\n        \"species\": \"A\",\n        \"concentration\": 1.0\n      }\n    ],\n    \"prediction_queries\": [\n      {\n        \"time\": 0.4,\n        \"species\": \"A\",\n        \"concentration\": 1.0\n      },\n      {\n        \"time\": 0.4,\n        \"species\": \"B\",\n        \"concentration\": 1.0\n      },\n      {\n        \"time\": 0.4,\n        \"species\": \"C\",\n        \"concentration\": 1.0\n      },\n      {\n        \"time\": 1.25,\n        \"species\": \"A\",\n        \"concentration\": 0.7\n      },\n      {\n        \"time\": 1.25,\n        \"species\": \"B\",\n        \"concentration\": 0.7\n      },\n      {\n        \"time\": 1.25,\n        \"species\": \"C\",\n        \"concentration\": 0.7\n      },\n      {\n        \"time\": 3.5,\n        \"species\": \"A\",\n        \"concentration\": 1.0\n      },\n      {\n        \"time\": 3.5,\n        \"species\": \"B\",\n        \"concentration\": 1.0\n      },\n      {\n        \"time\": 3.5,\n        \"species\": \"C\",\n        \"concentration\": 1.0\n      },\n      {\n        \"time\": 7.5,\n        \"species\": \"A\",\n        \"concentration\": 1.3\n      },\n      {\n        \"time\": 7.5,\n        \"species\": \"B\",\n        \"concentration\": 1.3\n      },\n      {\n        \"time\": 7.5,\n        \"species\": \"C\",\n        \"concentration\": 1.3\n      },\n      {\n        \"time\": 10.0,\n        \"species\": \"A\",\n        \"concentration\": 1.0\n      },\n      {\n        \"time\": 10.0,\n        \"species\": \"B\",\n        \"concentration\": 1.0\n      },\n      {\n        \"time\": 10.0,\n        \"species\": \"C\",\n        \"concentration\": 1.0\n      }\n    ],\n    \"experiments\": [\n      {\n        \"id\": \"assay-A-0\",\n        \"label\": \"Assay A at t=0.25\",\n        \"query\": {\n          \"time\": 0.25,\n          \"species\": \"A\",\n          \"concentration\": 1.0\n        },\n        \"cost\": 1,\n        \"m\n",
          "exit_code": 0
        },
        "isError": false
      }
    },
    {
      "timestamp": "2026-10-17T08:57:17.542157Z",
      "type": "message_added",
      "message": {
        "content": [
          {
            "type": "text",
            "text": "{\"stdout\":\"dict ['specification', 'initial_observations']\\n{\\n  \\\"specification\\\": {\\n    \\\"task_id\\\": \\\"reaction-kinetics\\\",\\n    \\\"version\\\": \\\"0.2.0\\\",\\n    \\\"budget\\\": 3,\\n    \\\"cost_semantics\\\": \\\"Every accepted experiment costs one credit; at most two repeats per action. Invalid requests cost nothing. The budget is a hard constraint; unused credits do not directly increase the score.\\\",\\n    \\\"measurement_noise\\\": \\\"Independent additive zero-mean Gaussian noise per output and replicate, with the listed fixed standard deviations. Readouts are not clipped. Each measurement has equal synthetic exposure/cost. Repeating observe_initial returns the same initial data, not new measurements.\\\",\\n    \\\"split_definition\\\": \\\"Train and test use independent parameter/noise draws from the same published distributions. No claim of out-of-family generalization.\\\",\\n    \\\"status\\\": \\\"Original synthetic prototype; no physical calibration or LLM training result.\\\",\\n    \\\"submission\\\": \\\"Submit one finite numeric matrix in the exact prediction_shape. Submission is terminal and cannot be retried after acceptance.\\\",\\n    \\\"scoring\\\": {\\n      \\\"name\\\": \\\"inverse_normalized_mse\\\",\\n      \\\"formula\\\": \\\"score = 1 / (1 + mean(((prediction - noiseless_hidden_target) / scale)^2))\\\",\\n      \\\"scale\\\": [\\n        0.02\\n      ],\\n      \\\"range\\\": [\\n        0,\\n        1\\n      ],\\n      \\\"meaning\\\": \\\"Higher is better. Exact latent-mean prediction scores 1. A normalized RMSE equal to one measurement-noise standard deviation scores 0.5. Measurement noise is not added to hidden targets.\\\"\\n    },\\n    \\\"title\\\": \\\"Reaction mechanism identification\\\",\\n    \\\"outputs\\\": [\\n      \\\"concentration\\\"\\n    ],\\n    \\\"noise_std\\\": [\\n      0.02\\n    ],\\n    \\\"instructions\\\": \\\"Distinguish two idealized mass-conserving reaction mechanisms by choosing time/species assays under a three-credit budget. Predict the listed unmeasured early, middle and late time-course concentrations. Initial concentration and mechanism family are known; mechanism and rates are hidden.\\\",\\n    \\\"model\\\": \\\"Either sequential A -> B -> C with rates k1,k2, or parallel A -> B and A -> C with rates k1,k2. First-order irreversible kinetics, initial A=c and B=C=0; no physical calibration.\\\",\\n    \\\"prior\\\": \\\"Mechanism is equally likely. Rates k1,k2 independently log-Uniform(0.1,0.75), in inverse synthetic time units.\\\",\\n    \\\"initial_queries\\\": [\\n      {\\n        \\\"time\\\": 0.5,\\n        \\\"species\\\": \\\"A\\\",\\n        \\\"concentration\\\": 1.0\\n      }\\n    ],\\n    \\\"prediction_queries\\\": [\\n      {\\n        \\\"time\\\": 0.4,\\n        \\\"species\\\": \\\"A\\\",\\n        \\\"concentration\\\": 1.0\\n      },\\n      {\\n        \\\"time\\\": 0.4,\\n        \\\"species\\\": \\\"B\\\",\\n        \\\"concentration\\\": 1.0\\n      },\\n      {\\n        \\\"time\\\": 0.4,\\n        \\\"species\\\": \\\"C\\\",\\n        \\\"concentration\\\": 1.0\\n      },\\n      {\\n        \\\"time\\\": 1.25,\\n        \\\"species\\\": \\\"A\\\",\\n        \\\"concentration\\\": 0.7\\n      },\\n      {\\n        \\\"time\\\": 1.25,\\n        \\\"species\\\": \\\"B\\\",\\n        \\\"concentration\\\": 0.7\\n      },\\n      {\\n        \\\"time\\\": 1.25,\\n        \\\"species\\\": \\\"C\\\",\\n        \\\"concentration\\\": 0.7\\n      },\\n      {\\n        \\\"time\\\": 3.5,\\n        \\\"species\\\": \\\"A\\\",\\n        \\\"concentration\\\": 1.0\\n      },\\n      {\\n        \\\"time\\\": 3.5,\\n        \\\"species\\\": \\\"B\\\",\\n        \\\"concentration\\\": 1.0\\n      },\\n      {\\n        \\\"time\\\": 3.5,\\n        \\\"species\\\": \\\"C\\\",\\n        \\\"concentration\\\": 1.0\\n      },\\n      {\\n        \\\"time\\\": 7.5,\\n        \\\"species\\\": \\\"A\\\",\\n        \\\"concentration\\\": 1.3\\n      },\\n      {\\n        \\\"time\\\": 7.5,\\n        \\\"species\\\": \\\"B\\\",\\n        \\\"concentration\\\": 1.3\\n      },\\n      {\\n        \\\"time\\\": 7.5,\\n        \\\"species\\\": \\\"C\\\",\\n        \\\"concentration\\\": 1.3\\n      },\\n      {\\n        \\\"time\\\": 10.0,\\n        \\\"species\\\": \\\"A\\\",\\n        \\\"concentration\\\": 1.0\\n      },\\n      {\\n        \\\"time\\\": 10.0,\\n        \\\"species\\\": \\\"B\\\",\\n        \\\"concentration\\\": 1.0\\n      },\\n      {\\n        \\\"time\\\": 10.0,\\n        \\\"species\\\": \\\"C\\\",\\n        \\\"concentration\\\": 1.0\\n      }\\n    ],\\n    \\\"experiments\\\": [\\n      {\\n        \\\"id\\\": \\\"assay-A-0\\\",\\n        \\\"label\\\": \\\"Assay A at t=0.25\\\",\\n        \\\"query\\\": {\\n          \\\"time\\\": 0.25,\\n          \\\"species\\\": \\\"A\\\",\\n          \\\"concentration\\\": 1.0\\n        },\\n        \\\"cost\\\": 1,\\n        \\\"m\\n\",\"exit_code\":0}"
          },
          {
            "type": "text",
            "text": "Time remaining: 1770 seconds"
          }
        ],
        "role": "tool",
        "tool_calls": null,
        "reasoning_content": null,
        "thinking_blocks": null,
        "reasoning_items": null,
        "tool_call_id": "call_aac63d9fb9c6"
      },
      "finish_reason": null,
      "raw": null
    },
    {
      "timestamp": "2026-10-17T08:57:35.038854Z",
      "type": "message_added",
      "message": {
        "content": "",
        "role": "assistant",
        "tool_calls": [
          {
            "id": "call_cf66995a260f",
            "function": {
              "name": "run_experiment",
              "arguments": "{\"action_id\": \"assay-B-6\"}"
            },
            "type": "function"
          }
        ],
        "reasoning_content": null,
        "thinking_blocks": null,
        "reasoning_items": null,
        "tool_call_id": null
      },
      "finish_reason": null,
      "raw": null
    },
    {
      "timestamp": "2026-10-17T08:57:35.046347Z",
      "type": "tool_call_started",
      "tool_call": {
        "id": "call_cf66995a260f",
        "function": {
          "name": "run_experiment",
          "arguments": "{\"action_id\": \"assay-B-6\"}"
        },
        "type": "function"
      }
    },
    {
      "timestamp": "2026-10-17T08:57:35.075327Z",
      "type": "tool_call_completed",
      "tool_call_id": "call_cf66995a260f",
      "result": {
        "meta": null,
        "content": [
          {
            "type": "text",
            "text": "{\"query\": {\"time\": 8.0, \"species\": \"B\", \"concentration\": 1.0}, \"values\": [0.7799782132115037], \"noise_std\": [0.02], \"action_id\": \"assay-B-6\", \"replicate\": 1, \"cost\": 1, \"budget_remaining\": 2}",
            "annotations": null,
            "meta": null
          }
        ],
        "structuredContent": null,
        "isError": false
      }
    },
    {
      "timestamp": "2026-10-17T08:57:35.075379Z",
      "type": "message_added",
      "message": {
        "content": [
          {
            "type": "text",
            "text": "{\"query\": {\"time\": 8.0, \"species\": \"B\", \"concentration\": 1.0}, \"values\": [0.7799782132115037], \"noise_std\": [0.02], \"action_id\": \"assay-B-6\", \"replicate\": 1, \"cost\": 1, \"budget_remaining\": 2}"
          },
          {
            "type": "text",
            "text": "Time remaining: 1752 seconds"
          }
        ],
        "role": "tool",
        "tool_calls": null,
        "reasoning_content": null,
        "thinking_blocks": null,
        "reasoning_items": null,
        "tool_call_id": "call_cf66995a260f"
      },
      "finish_reason": null,
      "raw": null
    },
    {
      "timestamp": "2026-10-17T08:58:17.142097Z",
      "type": "message_added",
      "message": {
        "content": "",
        "role": "assistant",
        "tool_calls": [
          {
            "id": "call_007454608c56",
            "function": {
              "name": "bash",
              "arguments": "{\"command\": \"cat > /workdir/data/infer.py <<'PY'\\nimport json, numpy as np\\nfrom scipy.ndimage import gaussian_filter1d\\nfrom scipy.optimize import minimize\\np=json.load(open('/workdir/shared/task.json')); spec=p['specification']\\nn=600\\nk=np.exp(np.log(.1)+(np.arange(n)+.5)/n*np.log(7.5))\\nk1,k2=np.meshgrid(k,k,indexing='ij'); k1=np.tile(k1.ravel(),2); k2=np.tile(k2.ravel(),2)\\nm=np.repeat([0,1],n*n)\\ndef f(q):\\n t=q['time']; c=q['concentration']; s=q['species']; ispar=m==1\\n a=np.where(ispar,np.exp(-(k1+k2)*t),np.exp(-k1*t))\\n if s=='A':return c*a\\n d=k2-k1\\n z=np.divide(-np.expm1(-d*t),d,out=np.full_like(d,t),where=np.abs(d)>1e-12)\\n b=np.where(ispar,k1/(k1+k2)*(1-a),k1*np.exp(-k1*t)*z)\\n return c*(b if s=='B' else 1-a-b)\\nobs=p['initial_observations']+json.load(open('/workdir/data/observations.json'))\\nll=np.zeros(len(k1))\\nfor o in obs:ll-=.5*((f(o['query'])-o['values'][0])/.02)**2\\nw=np.exp(ll-ll.max());w/=w.sum()\\nkeep=w>1e-14;w=w[keep];w/=w.sum();k1=k1[keep];k2=k2[keep];m=m[keep]\\ny=np.column_stack([f(q) for q in spec['prediction_queries']]);mean=w@y\\nvar=w@(y*y)-mean*mean\\nprint('retained',len(w),'parallel_probability',float(w@(m==1)))\\nprint('rates_mean',float(w@k1),float(w@k2),'sum_mean',float(w@(k1+k2)))\\nprint('target_mse',float(var.mean()),'rmse',float(np.sqrt(var.mean())))\\nprint('predictions',mean.tolist())\\n# Gaussian convolution of weighted predictive histograms evaluates the expected target variance after each assay.\\nedges=np.linspace(-.2,1.2,2801); dx=edges[1]-edges[0]\\ncurrent2=float(np.sum(w@(y*y)))\\nrows=[]\\nfor ex in spec['experiments']:\\n if sum(o.get('action_id')==ex['id'] for o in obs)>=2:continue\\n a=f(ex['query'])\\n dens=gaussian_filter1d(np.histogram(a,bins=edges,weights=w)[0],.02/dx,mode='constant',truncate=7)\\n moments=np.array([gaussian_filter1d(np.histogram(a,bins=edges,weights=w*y[:,j])[0],.02/dx,mode='constant',truncate=7) for j in range(y.shape[1])])\\n nonzero=dens>1e-20\\n future=(current2-np.sum(moments[:,nonzero]**2/dens[nonzero]))/15\\n rows.append((float(future),ex['id']))\\nprint('design',sorted(rows))\\nnp.savez('/workdir/data/posterior.npz',weights=w,targets=y,k1=k1,k2=k2,mechanism=m)\\nPY\\ncat > /workdir/data/observations.json <<'JSON'\\n[{\\\"query\\\":{\\\"time\\\":8.0,\\\"species\\\":\\\"B\\\",\\\"concentration\\\":1.0},\\\"values\\\":[0.7799782132115037],\\\"action_id\\\":\\\"assay-B-6\\\"}]\\nJSON\\nOPENBLAS_NUM_THREADS=1 python /workdir/data/infer.py\"}"
            },
            "type": "function"
          }
        ],
        "reasoning_content": null,
        "thinking_blocks": null,
        "reasoning_items": null,
        "tool_call_id": null
      },
      "finish_reason": null,
      "raw": null
    },
    {
      "timestamp": "2026-10-17T08:58:17.165567Z",
      "type": "tool_call_started",
      "tool_call": {
        "id": "call_007454608c56",
        "function": {
          "name": "bash",
          "arguments": "{\"command\": \"cat > /workdir/data/infer.py <<'PY'\\nimport json, numpy as np\\nfrom scipy.ndimage import gaussian_filter1d\\nfrom scipy.optimize import minimize\\np=json.load(open('/workdir/shared/task.json')); spec=p['specification']\\nn=600\\nk=np.exp(np.log(.1)+(np.arange(n)+.5)/n*np.log(7.5))\\nk1,k2=np.meshgrid(k,k,indexing='ij'); k1=np.tile(k1.ravel(),2); k2=np.tile(k2.ravel(),2)\\nm=np.repeat([0,1],n*n)\\ndef f(q):\\n t=q['time']; c=q['concentration']; s=q['species']; ispar=m==1\\n a=np.where(ispar,np.exp(-(k1+k2)*t),np.exp(-k1*t))\\n if s=='A':return c*a\\n d=k2-k1\\n z=np.divide(-np.expm1(-d*t),d,out=np.full_like(d,t),where=np.abs(d)>1e-12)\\n b=np.where(ispar,k1/(k1+k2)*(1-a),k1*np.exp(-k1*t)*z)\\n return c*(b if s=='B' else 1-a-b)\\nobs=p['initial_observations']+json.load(open('/workdir/data/observations.json'))\\nll=np.zeros(len(k1))\\nfor o in obs:ll-=.5*((f(o['query'])-o['values'][0])/.02)**2\\nw=np.exp(ll-ll.max());w/=w.sum()\\nkeep=w>1e-14;w=w[keep];w/=w.sum();k1=k1[keep];k2=k2[keep];m=m[keep]\\ny=np.column_stack([f(q) for q in spec['prediction_queries']]);mean=w@y\\nvar=w@(y*y)-mean*mean\\nprint('retained',len(w),'parallel_probability',float(w@(m==1)))\\nprint('rates_mean',float(w@k1),float(w@k2),'sum_mean',float(w@(k1+k2)))\\nprint('target_mse',float(var.mean()),'rmse',float(np.sqrt(var.mean())))\\nprint('predictions',mean.tolist())\\n# Gaussian convolution of weighted predictive histograms evaluates the expected target variance after each assay.\\nedges=np.linspace(-.2,1.2,2801); dx=edges[1]-edges[0]\\ncurrent2=float(np.sum(w@(y*y)))\\nrows=[]\\nfor ex in spec['experiments']:\\n if sum(o.get('action_id')==ex['id'] for o in obs)>=2:continue\\n a=f(ex['query'])\\n dens=gaussian_filter1d(np.histogram(a,bins=edges,weights=w)[0],.02/dx,mode='constant',truncate=7)\\n moments=np.array([gaussian_filter1d(np.histogram(a,bins=edges,weights=w*y[:,j])[0],.02/dx,mode='constant',truncate=7) for j in range(y.shape[1])])\\n nonzero=dens>1e-20\\n future=(current2-np.sum(moments[:,nonzero]**2/dens[nonzero]))/15\\n rows.append((float(future),ex['id']))\\nprint('design',sorted(rows))\\nnp.savez('/workdir/data/posterior.npz',weights=w,targets=y,k1=k1,k2=k2,mechanism=m)\\nPY\\ncat > /workdir/data/observations.json <<'JSON'\\n[{\\\"query\\\":{\\\"time\\\":8.0,\\\"species\\\":\\\"B\\\",\\\"concentration\\\":1.0},\\\"values\\\":[0.7799782132115037],\\\"action_id\\\":\\\"assay-B-6\\\"}]\\nJSON\\nOPENBLAS_NUM_THREADS=1 python /workdir/data/infer.py\"}"
        },
        "type": "function"
      }
    },
    {
      "timestamp": "2026-10-17T08:58:19.148049Z",
      "type": "tool_call_completed",
      "tool_call_id": "call_007454608c56",
      "result": {
        "meta": null,
        "content": [
          {
            "type": "text",
            "text": "{\"stdout\":\"retained 52855 parallel_probability 1.0\\nrates_mean 0.7102745948502545 0.20594468729614304 sum_mean 0.9162192821463975\\ntarget_mse 0.00022221604325061732 rmse 0.014906912599549824\\npredictions [0.6932582355718673, 0.23781071200248344, 0.06893105242565035, 0.22299129130669032, 0.36986088464181766, 0.1071478240514932, 0.04091759466394282, 0.7437719941992192, 0.21531041113683655, 0.0014169253495508025, 1.007108559729268, 0.29147451492117665, 0.0001148842609576624, 0.7754570270637198, 0.22442808867532027]\\ndesign [(0.00012856628411652692, 'assay-C-5'), (0.00012857168832735392, 'assay-C-6'), (0.00012893675485189013, 'assay-B-6'), (0.0001294259859278372, 'assay-C-4'), (0.00013049979739866065, 'assay-B-5'), (0.0001346583314136988, 'assay-C-3'), (0.00013825342076332348, 'assay-B-4'), (0.0001488649281693751, 'assay-C-2'), (0.0001592344437619353, 'assay-B-3'), (0.0001780883078324654, 'assay-C-1'), (0.00018513782982167252, 'assay-B-2'), (0.0002011378135847212, 'assay-A-2'), (0.00020129590974997668, 'assay-A-1'), (0.00020584500661199694, 'assay-B-1'), (0.00021049456766114954, 'assay-A-3'), (0.0002121554233606678, 'assay-C-0'), (0.00021455354648377187, 'assay-A-0'), (0.00021873088003614426, 'assay-B-0'), (0.00021986877231894297, 'assay-A-4'), (0.00022206960243632186, 'assay-A-5'), (0.000222206757286821, 'assay-A-6')]\\n\",\"exit_code\":0}",
            "annotations": null,
            "meta": null
          }
        ],
        "structuredContent": {
          "stdout": "retained 52855 parallel_probability 1.0\nrates_mean 0.7102745948502545 0.20594468729614304 sum_mean 0.9162192821463975\ntarget_mse 0.00022221604325061732 rmse 0.014906912599549824\npredictions [0.6932582355718673, 0.23781071200248344, 0.06893105242565035, 0.22299129130669032, 0.36986088464181766, 0.1071478240514932, 0.04091759466394282, 0.7437719941992192, 0.21531041113683655, 0.0014169253495508025, 1.007108559729268, 0.29147451492117665, 0.0001148842609576624, 0.7754570270637198, 0.22442808867532027]\ndesign [(0.00012856628411652692, 'assay-C-5'), (0.00012857168832735392, 'assay-C-6'), (0.00012893675485189013, 'assay-B-6'), (0.0001294259859278372, 'assay-C-4'), (0.00013049979739866065, 'assay-B-5'), (0.0001346583314136988, 'assay-C-3'), (0.00013825342076332348, 'assay-B-4'), (0.0001488649281693751, 'assay-C-2'), (0.0001592344437619353, 'assay-B-3'), (0.0001780883078324654, 'assay-C-1'), (0.00018513782982167252, 'assay-B-2'), (0.0002011378135847212, 'assay-A-2'), (0.00020129590974997668, 'assay-A-1'), (0.00020584500661199694, 'assay-B-1'), (0.00021049456766114954, 'assay-A-3'), (0.0002121554233606678, 'assay-C-0'), (0.00021455354648377187, 'assay-A-0'), (0.00021873088003614426, 'assay-B-0'), (0.00021986877231894297, 'assay-A-4'), (0.00022206960243632186, 'assay-A-5'), (0.000222206757286821, 'assay-A-6')]\n",
          "exit_code": 0
        },
        "isError": false
      }
    },
    {
      "timestamp": "2026-10-17T08:58:19.148117Z",
      "type": "message_added",
      "message": {
        "content": [
          {
            "type": "text",
            "text": "{\"stdout\":\"retained 52855 parallel_probability 1.0\\nrates_mean 0.7102745948502545 0.20594468729614304 sum_mean 0.9162192821463975\\ntarget_mse 0.00022221604325061732 rmse 0.014906912599549824\\npredictions [0.6932582355718673, 0.23781071200248344, 0.06893105242565035, 0.22299129130669032, 0.36986088464181766, 0.1071478240514932, 0.04091759466394282, 0.7437719941992192, 0.21531041113683655, 0.0014169253495508025, 1.007108559729268, 0.29147451492117665, 0.0001148842609576624, 0.7754570270637198, 0.22442808867532027]\\ndesign [(0.00012856628411652692, 'assay-C-5'), (0.00012857168832735392, 'assay-C-6'), (0.00012893675485189013, 'assay-B-6'), (0.0001294259859278372, 'assay-C-4'), (0.00013049979739866065, 'assay-B-5'), (0.0001346583314136988, 'assay-C-3'), (0.00013825342076332348, 'assay-B-4'), (0.0001488649281693751, 'assay-C-2'), (0.0001592344437619353, 'assay-B-3'), (0.0001780883078324654, 'assay-C-1'), (0.00018513782982167252, 'assay-B-2'), (0.0002011378135847212, 'assay-A-2'), (0.00020129590974997668, 'assay-A-1'), (0.00020584500661199694, 'assay-B-1'), (0.00021049456766114954, 'assay-A-3'), (0.0002121554233606678, 'assay-C-0'), (0.00021455354648377187, 'assay-A-0'), (0.00021873088003614426, 'assay-B-0'), (0.00021986877231894297, 'assay-A-4'), (0.00022206960243632186, 'assay-A-5'), (0.000222206757286821, 'assay-A-6')]\\n\",\"exit_code\":0}"
          },
          {
            "type": "text",
            "text": "Time remaining: 1708 seconds"
          }
        ],
        "role": "tool",
        "tool_calls": null,
        "reasoning_content": null,
        "thinking_blocks": null,
        "reasoning_items": null,
        "tool_call_id": "call_007454608c56"
      },
      "finish_reason": null,
      "raw": null
    },
    {
      "timestamp": "2026-10-17T08:58:26.694921Z",
      "type": "message_added",
      "message": {
        "content": "",
        "role": "assistant",
        "tool_calls": [
          {
            "id": "call_c832b325c27a",
            "function": {
              "name": "run_experiment",
              "arguments": "{\"action_id\": \"assay-C-5\"}"
            },
            "type": "function"
          }
        ],
        "reasoning_content": null,
        "thinking_blocks": null,
        "reasoning_items": null,
        "tool_call_id": null
      },
      "finish_reason": null,
      "raw": null
    },
    {
      "timestamp": "2026-10-17T08:58:26.715161Z",
      "type": "tool_call_started",
      "tool_call": {
        "id": "call_c832b325c27a",
        "function": {
          "name": "run_experiment",
          "arguments": "{\"action_id\": \"assay-C-5\"}"
        },
        "type": "function"
      }
    },
    {
      "timestamp": "2026-10-17T08:58:26.735223Z",
      "type": "tool_call_completed",
      "tool_call_id": "call_c832b325c27a",
      "result": {
        "meta": null,
        "content": [
          {
            "type": "text",
            "text": "{\"query\": {\"time\": 6.0, \"species\": \"C\", \"concentration\": 1.0}, \"values\": [0.21168930385281903], \"noise_std\": [0.02], \"action_id\": \"assay-C-5\", \"replicate\": 1, \"cost\": 1, \"budget_remaining\": 1}",
            "annotations": null,
            "meta": null
          }
        ],
        "structuredContent": null,
        "isError": false
      }
    },
    {
      "timestamp": "2026-10-17T08:58:26.735244Z",
      "type": "message_added",
      "message": {
        "content": [
          {
            "type": "text",
            "text": "{\"query\": {\"time\": 6.0, \"species\": \"C\", \"concentration\": 1.0}, \"values\": [0.21168930385281903], \"noise_std\": [0.02], \"action_id\": \"assay-C-5\", \"replicate\": 1, \"cost\": 1, \"budget_remaining\": 1}"
          },
          {
            "type": "text",
            "text": "Time remaining: 1700 seconds"
          }
        ],
        "role": "tool",
        "tool_calls": null,
        "reasoning_content": null,
        "thinking_blocks": null,
        "reasoning_items": null,
        "tool_call_id": "call_c832b325c27a"
      },
      "finish_reason": null,
      "raw": null
    },
    {
      "timestamp": "2026-10-17T08:58:42.662896Z",
      "type": "message_added",
      "message": {
        "content": "",
        "role": "assistant",
        "tool_calls": [
          {
            "id": "call_faba1413ec36",
            "function": {
              "name": "bash",
              "arguments": "{\"command\": \"python - <<'PY'\\nimport json\\np='/workdir/data/observations.json';obs=json.load(open(p));obs.append({'query':{'time':6.0,'species':'C','concentration':1.0},'values':[0.21168930385281903],'action_id':'assay-C-5'});json.dump(obs,open(p,'w'))\\nPY\\nOPENBLAS_NUM_THREADS=1 python /workdir/data/infer.py\"}"
            },
            "type": "function"
          }
        ],
        "reasoning_content": null,
        "thinking_blocks": null,
        "reasoning_items": null,
        "tool_call_id": null
      },
      "finish_reason": null,
      "raw": null
    },
    {
      "timestamp": "2026-10-17T08:58:42.673923Z",
      "type": "tool_call_started",
      "tool_call": {
        "id": "call_faba1413ec36",
        "function": {
          "name": "bash",
          "arguments": "{\"command\": \"python - <<'PY'\\nimport json\\np='/workdir/data/observations.json';obs=json.load(open(p));obs.append({'query':{'time':6.0,'species':'C','concentration':1.0},'values':[0.21168930385281903],'action_id':'assay-C-5'});json.dump(obs,open(p,'w'))\\nPY\\nOPENBLAS_NUM_THREADS=1 python /workdir/data/infer.py\"}"
        },
        "type": "function"
      }
    },
    {
      "timestamp": "2026-10-17T08:58:44.151232Z",
      "type": "tool_call_completed",
      "tool_call_id": "call_faba1413ec36",
      "result": {
        "meta": null,
        "content": [
          {
            "type": "text",
            "text": "{\"stdout\":\"retained 43157 parallel_probability 0.9999999999999999\\nrates_mean 0.7121565298243807 0.19957859133172082 sum_mean 0.9117351211561013\\ntarget_mse 0.00012684955695277294 rmse 0.011262750860814286\\npredictions [0.6944908013454466, 0.23864222137273583, 0.06686697728181765, 0.22420701845745872, 0.37167941716647185, 0.10411356437606907, 0.04151094582305233, 0.7488150785630208, 0.20967397561392456, 0.0014569409377169973, 1.0145080988610105, 0.2840349602012697, 0.00011894928434347775, 0.7811745178772386, 0.21870653283841604]\\ndesign [(9.437875585390405e-05, 'assay-C-6'), (9.438017560174927e-05, 'assay-C-5'), (9.454866983566272e-05, 'assay-B-6'), (9.475942034654257e-05, 'assay-C-4'), (9.525240705758146e-05, 'assay-B-5'), (9.69863788249962e-05, 'assay-C-3'), (9.838167501963942e-05, 'assay-B-4'), (0.0001027323801662483, 'assay-C-2'), (0.00010508182980138633, 'assay-B-3'), (0.00011162487196860008, 'assay-B-2'), (0.00011338870271601445, 'assay-C-1'), (0.0001139589138207479, 'assay-A-2'), (0.00011428227226506493, 'assay-A-1'), (0.00011772699023187746, 'assay-B-1'), (0.00011959295501492069, 'assay-A-3'), (0.00012242376536516868, 'assay-A-0'), (0.00012402425386500346, 'assay-C-0'), (0.0001244353517195466, 'assay-B-0'), (0.0001253891386282291, 'assay-A-4'), (0.00012675525191427895, 'assay-A-5'), (0.00012684452278763914, 'assay-A-6')]\\n\",\"exit_code\":0}",
            "annotations": null,
            "meta": null
          }
        ],
        "structuredContent": {
          "stdout": "retained 43157 parallel_probability 0.9999999999999999\nrates_mean 0.7121565298243807 0.19957859133172082 sum_mean 0.9117351211561013\ntarget_mse 0.00012684955695277294 rmse 0.011262750860814286\npredictions [0.6944908013454466, 0.23864222137273583, 0.06686697728181765, 0.22420701845745872, 0.37167941716647185, 0.10411356437606907, 0.04151094582305233, 0.7488150785630208, 0.20967397561392456, 0.0014569409377169973, 1.0145080988610105, 0.2840349602012697, 0.00011894928434347775, 0.7811745178772386, 0.21870653283841604]\ndesign [(9.437875585390405e-05, 'assay-C-6'), (9.438017560174927e-05, 'assay-C-5'), (9.454866983566272e-05, 'assay-B-6'), (9.475942034654257e-05, 'assay-C-4'), (9.525240705758146e-05, 'assay-B-5'), (9.69863788249962e-05, 'assay-C-3'), (9.838167501963942e-05, 'assay-B-4'), (0.0001027323801662483, 'assay-C-2'), (0.00010508182980138633, 'assay-B-3'), (0.00011162487196860008, 'assay-B-2'), (0.00011338870271601445, 'assay-C-1'), (0.0001139589138207479, 'assay-A-2'), (0.00011428227226506493, 'assay-A-1'), (0.00011772699023187746, 'assay-B-1'), (0.00011959295501492069, 'assay-A-3'), (0.00012242376536516868, 'assay-A-0'), (0.00012402425386500346, 'assay-C-0'), (0.0001244353517195466, 'assay-B-0'), (0.0001253891386282291, 'assay-A-4'), (0.00012675525191427895, 'assay-A-5'), (0.00012684452278763914, 'assay-A-6')]\n",
          "exit_code": 0
        },
        "isError": false
      }
    },
    {
      "timestamp": "2026-10-17T08:58:44.151339Z",
      "type": "message_added",
      "message": {
        "content": [
          {
            "type": "text",
            "text": "{\"stdout\":\"retained 43157 parallel_probability 0.9999999999999999\\nrates_mean 0.7121565298243807 0.19957859133172082 sum_mean 0.9117351211561013\\ntarget_mse 0.00012684955695277294 rmse 0.011262750860814286\\npredictions [0.6944908013454466, 0.23864222137273583, 0.06686697728181765, 0.22420701845745872, 0.37167941716647185, 0.10411356437606907, 0.04151094582305233, 0.7488150785630208, 0.20967397561392456, 0.0014569409377169973, 1.0145080988610105, 0.2840349602012697, 0.00011894928434347775, 0.7811745178772386, 0.21870653283841604]\\ndesign [(9.437875585390405e-05, 'assay-C-6'), (9.438017560174927e-05, 'assay-C-5'), (9.454866983566272e-05, 'assay-B-6'), (9.475942034654257e-05, 'assay-C-4'), (9.525240705758146e-05, 'assay-B-5'), (9.69863788249962e-05, 'assay-C-3'), (9.838167501963942e-05, 'assay-B-4'), (0.0001027323801662483, 'assay-C-2'), (0.00010508182980138633, 'assay-B-3'), (0.00011162487196860008, 'assay-B-2'), (0.00011338870271601445, 'assay-C-1'), (0.0001139589138207479, 'assay-A-2'), (0.00011428227226506493, 'assay-A-1'), (0.00011772699023187746, 'assay-B-1'), (0.00011959295501492069, 'assay-A-3'), (0.00012242376536516868, 'assay-A-0'), (0.00012402425386500346, 'assay-C-0'), (0.0001244353517195466, 'assay-B-0'), (0.0001253891386282291, 'assay-A-4'), (0.00012675525191427895, 'assay-A-5'), (0.00012684452278763914, 'assay-A-6')]\\n\",\"exit_code\":0}"
          },
          {
            "type": "text",
            "text": "Time remaining: 1683 seconds"
          }
        ],
        "role": "tool",
        "tool_calls": null,
        "reasoning_content": null,
        "thinking_blocks": null,
        "reasoning_items": null,
        "tool_call_id": "call_faba1413ec36"
      },
      "finish_reason": null,
      "raw": null
    },
    {
      "timestamp": "2026-10-17T08:58:49.479969Z",
      "type": "message_added",
      "message": {
        "content": "",
        "role": "assistant",
        "tool_calls": [
          {
            "id": "call_fae1760eed2b",
            "function": {
              "name": "run_experiment",
              "arguments": "{\"action_id\": \"assay-C-6\"}"
            },
            "type": "function"
          }
        ],
        "reasoning_content": null,
        "thinking_blocks": null,
        "reasoning_items": null,
        "tool_call_id": null
      },
      "finish_reason": null,
      "raw": null
    },
    {
      "timestamp": "2026-10-17T08:58:49.488393Z",
      "type": "tool_call_started",
      "tool_call": {
        "id": "call_fae1760eed2b",
        "function": {
          "name": "run_experiment",
          "arguments": "{\"action_id\": \"assay-C-6\"}"
        },
        "type": "function"
      }
    },
    {
      "timestamp": "2026-10-17T08:58:49.505362Z",
      "type": "tool_call_completed",
      "tool_call_id": "call_fae1760eed2b",
      "result": {
        "meta": null,
        "content": [
          {
            "type": "text",
            "text": "{\"query\": {\"time\": 8.0, \"species\": \"C\", \"concentration\": 1.0}, \"values\": [0.27249167427554716], \"noise_std\": [0.02], \"action_id\": \"assay-C-6\", \"replicate\": 1, \"cost\": 1, \"budget_remaining\": 0}",
            "annotations": null,
            "meta": null
          }
        ],
        "structuredContent": null,
        "isError": false
      }
    },
    {
      "timestamp": "2026-10-17T08:58:49.505459Z",
      "type": "message_added",
      "message": {
        "content": [
          {
            "type": "text",
            "text": "{\"query\": {\"time\": 8.0, \"species\": \"C\", \"concentration\": 1.0}, \"values\": [0.27249167427554716], \"noise_std\": [0.02], \"action_id\": \"assay-C-6\", \"replicate\": 1, \"cost\": 1, \"budget_remaining\": 0}"
          },
          {
            "type": "text",
            "text": "Time remaining: 1678 seconds"
          }
        ],
        "role": "tool",
        "tool_calls": null,
        "reasoning_content": null,
        "thinking_blocks": null,
        "reasoning_items": null,
        "tool_call_id": "call_fae1760eed2b"
      },
      "finish_reason": null,
      "raw": null
    },
    {
      "timestamp": "2026-10-17T08:59:16.303264Z",
      "type": "message_added",
      "message": {
        "content": "",
        "role": "assistant",
        "tool_calls": [
          {
            "id": "call_16447abc5482",
            "function": {
              "name": "bash",
              "arguments": "{\"command\": \"python - <<'PY'\\nimport json\\np='/workdir/data/observations.json';obs=json.load(open(p));obs.append({'query':{'time':8.0,'species':'C','concentration':1.0},'values':[0.27249167427554716],'action_id':'assay-C-6'});json.dump(obs,open(p,'w'))\\nPY\\nOPENBLAS_NUM_THREADS=1 python /workdir/data/infer.py\\nOPENBLAS_NUM_THREADS=1 python - <<'PY'\\nimport json,numpy as np\\nfrom scipy.optimize import minimize\\np=np.load('/workdir/data/posterior.npz');w=p['weights'];y=p['targets'];mean=w@y\\nscale=.02;D=y.shape[1]\\ndef objective(x):\\n delta=x-y;z=1+(delta*delta).mean(axis=1)/scale**2\\n loss=-np.sum(w/z)\\n grad=2/(D*scale**2)*np.sum((w/z**2)[:,None]*delta,axis=0)\\n return loss,grad\\nresult=minimize(objective,mean,jac=True,method='BFGS',options={'gtol':1e-9,'maxiter':200})\\nx=result.x\\nprint('optimization',result.success,result.message)\\nprint('expected_score_mean',-objective(mean)[0],'expected_score_optimized',-objective(x)[0])\\nprint('prediction_change',float(np.max(abs(x-mean))))\\nprint('final_predictions',x.tolist())\\nassert x.shape==(15,) and np.isfinite(x).all()\\njson.dump({'predictions':x[:,None].tolist()},open('/workdir/data/predictions.json','w'),allow_nan=False)\\nprint('submission_shape',np.array(json.load(open('/workdir/data/predictions.json'))['predictions']).shape)\\nPY\"}"
            },
            "type": "function"
          }
        ],
        "reasoning_content": null,
        "thinking_blocks": null,
        "reasoning_items": null,
        "tool_call_id": null
      },
      "finish_reason": null,
      "raw": null
    },
    {
      "timestamp": "2026-10-17T08:59:16.314000Z",
      "type": "tool_call_started",
      "tool_call": {
        "id": "call_16447abc5482",
        "function": {
          "name": "bash",
          "arguments": "{\"command\": \"python - <<'PY'\\nimport json\\np='/workdir/data/observations.json';obs=json.load(open(p));obs.append({'query':{'time':8.0,'species':'C','concentration':1.0},'values':[0.27249167427554716],'action_id':'assay-C-6'});json.dump(obs,open(p,'w'))\\nPY\\nOPENBLAS_NUM_THREADS=1 python /workdir/data/infer.py\\nOPENBLAS_NUM_THREADS=1 python - <<'PY'\\nimport json,numpy as np\\nfrom scipy.optimize import minimize\\np=np.load('/workdir/data/posterior.npz');w=p['weights'];y=p['targets'];mean=w@y\\nscale=.02;D=y.shape[1]\\ndef objective(x):\\n delta=x-y;z=1+(delta*delta).mean(axis=1)/scale**2\\n loss=-np.sum(w/z)\\n grad=2/(D*scale**2)*np.sum((w/z**2)[:,None]*delta,axis=0)\\n return loss,grad\\nresult=minimize(objective,mean,jac=True,method='BFGS',options={'gtol':1e-9,'maxiter':200})\\nx=result.x\\nprint('optimization',result.success,result.message)\\nprint('expected_score_mean',-objective(mean)[0],'expected_score_optimized',-objective(x)[0])\\nprint('prediction_change',float(np.max(abs(x-mean))))\\nprint('final_predictions',x.tolist())\\nassert x.shape==(15,) and np.isfinite(x).all()\\njson.dump({'predictions':x[:,None].tolist()},open('/workdir/data/predictions.json','w'),allow_nan=False)\\nprint('submission_shape',np.array(json.load(open('/workdir/data/predictions.json'))['predictions']).shape)\\nPY\"}"
        },
        "type": "function"
      }
    },
    {
      "timestamp": "2026-10-17T08:59:17.776184Z",
      "type": "tool_call_completed",
      "tool_call_id": "call_16447abc5482",
      "result": {
        "meta": null,
        "content": [
          {
            "type": "text",
            "text": "{\"stdout\":\"retained 35232 parallel_probability 1.0\\nrates_mean 0.7065909854335806 0.2187808011384929 sum_mean 0.9253717865720735\\ntarget_mse 9.956869636086793e-05 rmse 0.009978411514908971\\npredictions [0.6907271793907377, 0.236158639486128, 0.07311418112313536, 0.22046262977415965, 0.36618604672729305, 0.11335132349854621, 0.03964153553780144, 0.7333908229764147, 0.22696764148578297, 0.001325790741873442, 0.9917661193157866, 0.30690808994234076, 0.00010530361954251353, 0.7635959777489135, 0.23629871863154422]\\ndesign [(8.300718773689061e-05, 'assay-C-6'), (8.301292558134202e-05, 'assay-C-5'), (8.308815776659391e-05, 'assay-B-6'), (8.319626063822602e-05, 'assay-C-4'), (8.339197413954243e-05, 'assay-B-5'), (8.42577506574275e-05, 'assay-C-3'), (8.453952209972471e-05, 'assay-B-4'), (8.560752095174707e-05, 'assay-A-2'), (8.584178267424155e-05, 'assay-A-1'), (8.586964232539055e-05, 'assay-B-3'), (8.652474919674802e-05, 'assay-B-2'), (8.707553047339426e-05, 'assay-C-2'), (8.94988760018478e-05, 'assay-B-1'), (9.157790568560623e-05, 'assay-A-3'), (9.247660432665228e-05, 'assay-C-1'), (9.44772780925085e-05, 'assay-A-0'), (9.649130403574327e-05, 'assay-B-0'), (9.796864650682599e-05, 'assay-A-4'), (9.804508602562952e-05, 'assay-C-0'), (9.946888584554022e-05, 'assay-A-5'), (9.956222366695282e-05, 'assay-A-6')]\\noptimization True Optimization terminated successfully.\\nexpected_score_mean 0.8292264164335391 expected_score_optimized 0.8296555436906754\\nprediction_change 0.001064465139442694\\nfinal_predictions [0.6897071564239916, 0.23698599879779803, 0.07330684477821456, 0.21939816463471695, 0.36706932787784885, 0.11353250748743594, 0.03904032790466173, 0.733978562957241, 0.22698110913809236, 0.0012737653785406268, 0.9919746622699935, 0.3067515723514765, 9.916436052812053e-05, 0.7637304603574636, 0.23617037528201648]\\nsubmission_shape (15, 1)\\n\",\"exit_code\":0}",
            "annotations": null,
            "meta": null
          }
        ],
        "structuredContent": {
          "stdout": "retained 35232 parallel_probability 1.0\nrates_mean 0.7065909854335806 0.2187808011384929 sum_mean 0.9253717865720735\ntarget_mse 9.956869636086793e-05 rmse 0.009978411514908971\npredictions [0.6907271793907377, 0.236158639486128, 0.07311418112313536, 0.22046262977415965, 0.36618604672729305, 0.11335132349854621, 0.03964153553780144, 0.7333908229764147, 0.22696764148578297, 0.001325790741873442, 0.9917661193157866, 0.30690808994234076, 0.00010530361954251353, 0.7635959777489135, 0.23629871863154422]\ndesign [(8.300718773689061e-05, 'assay-C-6'), (8.301292558134202e-05, 'assay-C-5'), (8.308815776659391e-05, 'assay-B-6'), (8.319626063822602e-05, 'assay-C-4'), (8.339197413954243e-05, 'assay-B-5'), (8.42577506574275e-05, 'assay-C-3'), (8.453952209972471e-05, 'assay-B-4'), (8.560752095174707e-05, 'assay-A-2'), (8.584178267424155e-05, 'assay-A-1'), (8.586964232539055e-05, 'assay-B-3'), (8.652474919674802e-05, 'assay-B-2'), (8.707553047339426e-05, 'assay-C-2'), (8.94988760018478e-05, 'assay-B-1'), (9.157790568560623e-05, 'assay-A-3'), (9.247660432665228e-05, 'assay-C-1'), (9.44772780925085e-05, 'assay-A-0'), (9.649130403574327e-05, 'assay-B-0'), (9.796864650682599e-05, 'assay-A-4'), (9.804508602562952e-05, 'assay-C-0'), (9.946888584554022e-05, 'assay-A-5'), (9.956222366695282e-05, 'assay-A-6')]\noptimization True Optimization terminated successfully.\nexpected_score_mean 0.8292264164335391 expected_score_optimized 0.8296555436906754\nprediction_change 0.001064465139442694\nfinal_predictions [0.6897071564239916, 0.23698599879779803, 0.07330684477821456, 0.21939816463471695, 0.36706932787784885, 0.11353250748743594, 0.03904032790466173, 0.733978562957241, 0.22698110913809236, 0.0012737653785406268, 0.9919746622699935, 0.3067515723514765, 9.916436052812053e-05, 0.7637304603574636, 0.23617037528201648]\nsubmission_shape (15, 1)\n",
          "exit_code": 0
        },
        "isError": false
      }
    },
    {
      "timestamp": "2026-10-17T08:59:17.776204Z",
      "type": "message_added",
      "message": {
        "content": [
          {
            "type": "text",
            "text": "{\"stdout\":\"retained 35232 parallel_probability 1.0\\nrates_mean 0.7065909854335806 0.2187808011384929 sum_mean 0.9253717865720735\\ntarget_mse 9.956869636086793e-05 rmse 0.009978411514908971\\npredictions [0.6907271793907377, 0.236158639486128, 0.07311418112313536, 0.22046262977415965, 0.36618604672729305, 0.11335132349854621, 0.03964153553780144, 0.7333908229764147, 0.22696764148578297, 0.001325790741873442, 0.9917661193157866, 0.30690808994234076, 0.00010530361954251353, 0.7635959777489135, 0.23629871863154422]\\ndesign [(8.300718773689061e-05, 'assay-C-6'), (8.301292558134202e-05, 'assay-C-5'), (8.308815776659391e-05, 'assay-B-6'), (8.319626063822602e-05, 'assay-C-4'), (8.339197413954243e-05, 'assay-B-5'), (8.42577506574275e-05, 'assay-C-3'), (8.453952209972471e-05, 'assay-B-4'), (8.560752095174707e-05, 'assay-A-2'), (8.584178267424155e-05, 'assay-A-1'), (8.586964232539055e-05, 'assay-B-3'), (8.652474919674802e-05, 'assay-B-2'), (8.707553047339426e-05, 'assay-C-2'), (8.94988760018478e-05, 'assay-B-1'), (9.157790568560623e-05, 'assay-A-3'), (9.247660432665228e-05, 'assay-C-1'), (9.44772780925085e-05, 'assay-A-0'), (9.649130403574327e-05, 'assay-B-0'), (9.796864650682599e-05, 'assay-A-4'), (9.804508602562952e-05, 'assay-C-0'), (9.946888584554022e-05, 'assay-A-5'), (9.956222366695282e-05, 'assay-A-6')]\\noptimization True Optimization terminated successfully.\\nexpected_score_mean 0.8292264164335391 expected_score_optimized 0.8296555436906754\\nprediction_change 0.001064465139442694\\nfinal_predictions [0.6897071564239916, 0.23698599879779803, 0.07330684477821456, 0.21939816463471695, 0.36706932787784885, 0.11353250748743594, 0.03904032790466173, 0.733978562957241, 0.22698110913809236, 0.0012737653785406268, 0.9919746622699935, 0.3067515723514765, 9.916436052812053e-05, 0.7637304603574636, 0.23617037528201648]\\nsubmission_shape (15, 1)\\n\",\"exit_code\":0}"
          },
          {
            "type": "text",
            "text": "Time remaining: 1649 seconds"
          }
        ],
        "role": "tool",
        "tool_calls": null,
        "reasoning_content": null,
        "thinking_blocks": null,
        "reasoning_items": null,
        "tool_call_id": "call_16447abc5482"
      },
      "finish_reason": null,
      "raw": null
    },
    {
      "timestamp": "2026-10-17T08:59:23.910785Z",
      "type": "message_added",
      "message": {
        "content": "Submission complete.",
        "role": "assistant",
        "tool_calls": null,
        "reasoning_content": null,
        "thinking_blocks": null,
        "reasoning_items": null,
        "tool_call_id": null
      },
      "finish_reason": null,
      "raw": null
    },
    {
      "timestamp": "2026-10-17T08:59:24.680625Z",
      "type": "scoring",
      "scoring": {
        "score": 0.5044772000585254,
        "metadata": {
          "score": "0.5044772000585254",
          "normalized_mse": "0.9822501391222203",
          "rmse": "0.019821706678510007",
          "numeric_overflow": "False",
          "experiments_used": "3",
          "budget_remaining": "0",
          "terminal": "True",
          "stdout": "",
          "stderr": ""
        },
        "continue_task": true
      },
      "resource_metrics": null
    },
    {
      "timestamp": "2026-10-17T08:59:24.694975Z",
      "type": "step_completed",
      "step": 0
    },
    {
      "timestamp": "2026-10-17T08:59:24.702111Z",
      "type": "task_completed",
      "status": "passed"
    }
  ]
}
