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      "def_id": "03-19T14:08:28.197448",
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    "03-19T14:08:28.197601": {
      "def_id": "03-19T14:08:28.197601",
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        "03-19T14:08:28.593382"
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    "03-19T14:08:28.197653": {
      "def_id": "03-19T14:08:28.197653",
      "content": "system_op:knowledge:find_node",
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      "is_terminal": true,
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      "parent_op_outputs": [],
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        "type": "system_op:knowledge:find_node",
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    "03-19T14:08:28.197690": {
      "def_id": "03-19T14:08:28.197690",
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      "def_id": "03-19T14:08:28.197719",
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      "is_terminal": true,
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      "content": "system_op:knowledge:compute",
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    "03-19T14:08:28.198108": {
      "def_id": "03-19T14:08:28.198108",
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      "parent_op": null,
      "is_terminal": true,
      "parent_op_inputs": [],
      "parent_op_outputs": [],
      "metadata": {
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    "03-19T14:08:28.198135": {
      "def_id": "03-19T14:08:28.198135",
      "content": "system_op:memory:delete_node",
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      "is_terminal": true,
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    "03-19T14:08:28.198162": {
      "def_id": "03-19T14:08:28.198162",
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      "is_terminal": true,
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      "parent_op_outputs": [],
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    "03-19T14:08:28.198187": {
      "def_id": "03-19T14:08:28.198187",
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        "type": "system_op:memory:compute",
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    "03-19T14:08:28.198211": {
      "def_id": "03-19T14:08:28.198211",
      "content": "system_op:memory:close",
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      "is_terminal": true,
      "parent_op_inputs": [],
      "parent_op_outputs": [],
      "metadata": {
        "type": "system_op:memory:close",
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      }
    },
    "03-19T14:08:28.211204": {
      "def_id": "03-19T14:08:28.211204",
      "content": "system_op:conversation:clear_context",
      "parent_op": null,
      "is_terminal": true,
      "parent_op_inputs": [],
      "parent_op_outputs": [],
      "metadata": {
        "type": "system_op:conversation:clear_context",
        "description": "Clear conversation context"
      }
    },
    "03-19T14:08:28.211875": {
      "def_id": "03-19T14:08:28.211875",
      "content": "system_op:conversation:modify_message",
      "parent_op": null,
      "is_terminal": true,
      "parent_op_inputs": [],
      "parent_op_outputs": [],
      "metadata": {
        "type": "system_op:conversation:modify_message",
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    "03-19T14:08:28.211947": {
      "def_id": "03-19T14:08:28.211947",
      "content": "system_op:conversation:delete_message",
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      "is_terminal": true,
      "parent_op_inputs": [],
      "parent_op_outputs": [],
      "metadata": {
        "type": "system_op:conversation:delete_message",
        "description": "Delete message by index"
      }
    },
    "03-19T14:08:28.211982": {
      "def_id": "03-19T14:08:28.211982",
      "content": "system_op:conversation:append_message",
      "parent_op": null,
      "is_terminal": true,
      "parent_op_inputs": [],
      "parent_op_outputs": [],
      "metadata": {
        "type": "system_op:conversation:append_message",
        "description": "Add message to end"
      }
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    "03-19T14:08:28.212011": {
      "def_id": "03-19T14:08:28.212011",
      "content": "system_op:conversation:insert_message",
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      "is_terminal": true,
      "parent_op_inputs": [],
      "parent_op_outputs": [],
      "metadata": {
        "type": "system_op:conversation:insert_message",
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    "03-19T14:08:28.212040": {
      "def_id": "03-19T14:08:28.212040",
      "content": "system_op:conversation:read_message",
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      "is_terminal": true,
      "parent_op_inputs": [],
      "parent_op_outputs": [],
      "metadata": {
        "type": "system_op:conversation:read_message",
        "description": "Read message by selector"
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    "03-19T14:08:28.212068": {
      "def_id": "03-19T14:08:28.212068",
      "content": "system_op:observe:observe",
      "parent_op": null,
      "is_terminal": true,
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      "parent_op_outputs": [
        "03-19T14:08:28.428754",
        "03-19T14:08:28.547873",
        "03-19T14:08:28.553600",
        "03-19T14:08:28.565290",
        "03-19T14:08:28.584622",
        "03-19T14:08:28.815881",
        "03-19T14:08:28.966775",
        "03-19T14:08:28.974310"
      ],
      "metadata": {
        "type": "system_op:observe:observe",
        "description": "Observe a computation"
      }
    },
    "03-19T14:08:28.212093": {
      "def_id": "03-19T14:08:28.212093",
      "content": "system_op:observe:observe_branch",
      "parent_op": null,
      "is_terminal": true,
      "parent_op_inputs": [],
      "parent_op_outputs": [
        "03-19T14:08:29.132288",
        "03-19T14:08:29.283058",
        "03-19T14:08:29.283616",
        "03-19T14:08:29.308833",
        "03-19T14:08:29.326896"
      ],
      "metadata": {
        "type": "system_op:observe:observe_branch",
        "description": "Observe a computation on a branch namespace"
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    "03-19T14:08:28.212120": {
      "def_id": "03-19T14:08:28.212120",
      "content": "system_op:observe:replace_observation",
      "parent_op": null,
      "is_terminal": true,
      "parent_op_inputs": [],
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        "03-19T14:08:29.370797"
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    "03-19T14:08:28.212148": {
      "def_id": "03-19T14:08:28.212148",
      "content": "system_op:llm:generation",
      "parent_op": null,
      "is_terminal": true,
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        "03-19T14:08:28.257247",
        "03-19T14:08:28.305683",
        "03-19T14:08:28.604703",
        "03-19T14:08:28.653751",
        "03-19T14:08:28.985237",
        "03-19T14:08:29.359967"
      ],
      "metadata": {
        "type": "system_op:llm:generation",
        "description": "LLM text generation"
      }
    },
    "03-19T14:08:28.212174": {
      "def_id": "03-19T14:08:28.212174",
      "content": "system_op:manual_edit",
      "parent_op": null,
      "is_terminal": true,
      "parent_op_inputs": [],
      "parent_op_outputs": [],
      "metadata": {
        "type": "system_op:manual_edit",
        "description": "Manual conversation edit via API"
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    "03-19T14:08:28.212201": {
      "def_id": "03-19T14:08:28.212201",
      "content": "system_op:api_parse_error",
      "parent_op": null,
      "is_terminal": true,
      "parent_op_inputs": [],
      "parent_op_outputs": [],
      "metadata": {
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    "03-19T14:08:28.212228": {
      "def_id": "03-19T14:08:28.212228",
      "content": "system_op:api_error",
      "parent_op": null,
      "is_terminal": true,
      "parent_op_inputs": [],
      "parent_op_outputs": [],
      "metadata": {
        "type": "system_op:api_error",
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    "03-19T14:08:28.244381": {
      "def_id": "03-19T14:08:28.244381",
      "content": "[Prompt-in-context text omitted in public artifact]",
      "parent_op": "03-19T14:08:28.197601",
      "is_terminal": false,
      "parent_op_inputs": [
        "03-19T14:08:28.197448"
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        "03-19T14:08:28.244381"
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    "03-19T14:08:28.257247": {
      "def_id": "03-19T14:08:28.257247",
      "content": "<<<API_CALL>>>{\"api\": \"knowledge\", \"action\": \"create_version\", \"params\": {\"target\": \"latest\", \"content\": \"def calc(x):\\n    return x + 1\", \"description\": \"Base calc for buffer replace_observation\"}}<<<END_API_CALL>>>",
      "parent_op": "03-19T14:08:28.212148",
      "is_terminal": false,
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      "parent_op_outputs": [
        "03-19T14:08:28.257247"
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      "metadata": {
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        "model": "wla/test-llm",
        "conversation_id": "03-19_14-08-28-245012"
      }
    },
    "03-19T14:08:28.266184": {
      "def_id": "03-19T14:08:28.266184",
      "content": "",
      "parent_op": "03-19T14:08:28.197893",
      "is_terminal": false,
      "parent_op_inputs": [
        "03-19T14:08:28.257247"
      ],
      "parent_op_outputs": [
        "03-19T14:08:28.266184"
      ],
      "metadata": {
        "type": "knowledge_content",
        "version_id": "03-19T14-08-28-266093",
        "description": "Initial empty version",
        "file": "knowledge_files/kf_03-19T14-08-28-266093.py"
      }
    },
    "03-19T14:08:28.278069": {
      "def_id": "03-19T14:08:28.278069",
      "content": "def calc(x):\n    return x + 1",
      "parent_op": "03-19T14:08:28.197893",
      "is_terminal": false,
      "parent_op_inputs": [
        "03-19T14:08:28.257247"
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      "parent_op_outputs": [
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      "metadata": {
        "type": "knowledge_content",
        "version_id": "03-19T14-08-28-276862",
        "parent_version_id": "03-19T14-08-28-266093",
        "description": "Base calc for buffer replace_observation",
        "file": "knowledge_files/kf_03-19T14-08-28-276862.py",
        "observation_id": "obs_03-19_14-08-28-316148",
        "observation_def_id": "03-19T14:08:28.565290"
      }
    },
    "03-19T14:08:28.295932": {
      "def_id": "03-19T14:08:28.295932",
      "content": "{\"status\": \"success\", \"version\": 1, \"message\": \"Created new version\", \"replication_status\": {\"replication_status\": \"success\", \"summary\": \"No prior successful observation computations to replicate\", \"failures\": []}}",
      "parent_op": "03-19T14:08:28.197893",
      "is_terminal": false,
      "parent_op_inputs": [
        "03-19T14:08:28.257247"
      ],
      "parent_op_outputs": [
        "03-19T14:08:28.295932"
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      "metadata": {
        "type": "conversation:knowledge:create_version:result",
        "conversation_id": "03-19_14-08-28-245012",
        "is_void": false,
        "write_def_ids": [
          "03-19T14:08:28.278069"
        ]
      }
    },
    "03-19T14:08:28.305683": {
      "def_id": "03-19T14:08:28.305683",
      "content": "<<<API_CALL>>>{\"api\": \"observe\", \"action\": \"observe\", \"params\": {\"version\": 1, \"computation\": \"calc(1)\", \"context\": \"Seed observation for buffer replace_observation\"}}<<<END_API_CALL>>>",
      "parent_op": "03-19T14:08:28.212148",
      "is_terminal": false,
      "parent_op_inputs": [
        "03-19T14:08:28.257247",
        "03-19T14:08:28.244381",
        "03-19T14:08:28.295932"
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      "parent_op_outputs": [
        "03-19T14:08:28.305683"
      ],
      "metadata": {
        "type": "llm_output",
        "model": "wla/test-llm",
        "conversation_id": "03-19_14-08-28-245012"
      }
    },
    "03-19T14:08:28.428754": {
      "def_id": "03-19T14:08:28.428754",
      "content": "{\"status\": \"error\", \"message\": \"Computation failed: name 'calc' is not defined\", \"traceback\": \"Traceback (most recent call last):\\n  File \\\"py_module_api/core/computer.py\\\", line 796, in compute\\n    result = self._execute_with_tracer(\\n        module_path, expression, namespace,\\n        mode=mode, response_def_id=response_def_id\\n    )\\n  File \\\"py_module_api/core/computer.py\\\", line 314, in _execute_with_tracer\\n    result, trace_info = tracer.trace_execution(eval_wrapper)\\n                         ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^\\n  File \\\"py_module_api/observers/pep669_tracer.py\\\", line 445, in trace_execution\\n    result = func(*args, **kwargs)\\n  File \\\"py_module_api/core/computer.py\\\", line 310, in eval_wrapper\\n    return eval(code_obj, namespace)\\n  File \\\"<eval>\\\", line 1, in <module>\\nNameError: name 'calc' is not defined\\n\"}",
      "parent_op": "03-19T14:08:28.212068",
      "is_terminal": false,
      "parent_op_inputs": [
        "03-19T14:08:28.305683"
      ],
      "parent_op_outputs": [
        "03-19T14:08:28.428754"
      ],
      "metadata": {
        "type": "observation_computation",
        "version": "latest",
        "computation": "calc(1)"
      }
    },
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