{
  "schema_version": 2,
  "model": "openai/gpt-5.6-luna",
  "outcome": {
    "status": "running"
  },
  "usage": {
    "input_tokens": 22993,
    "output_tokens": 2102,
    "cache_read_tokens": 19713,
    "cache_creation_tokens": 3262,
    "cost_usd": 0.00186788
  },
  "messages": [
    {
      "role": "user",
      "content": "Build the service in the contract appended below on this blank host. Speed matters, but only a durable deployment can win.\n\n\nThe controller-owned referee is the only authority on completion. Do not stop after merely describing the work. Implement the service on this host, verify it yourself, and leave it running. You have no access to referee evidence or other competitors.\n\n# Service contract\n\n# Durable service contract\n\nExpose an HTTP service on port 8080. `GET /health` must return status 200 and\nthe exact body `ready`. `PUT /records/<id>` stores the request body and returns\nstatus 204. `GET /records/<id>` returns the exact stored body with status 200.\n\nThe blank guest includes a dormant `builder-app.service` deployment slot whose\nexecutable path is `/opt/builder/app.py`. Supply the application there and start\nthe existing unit. Stored records must survive restart of that service and a\nhost reboot. The deployment must return without agent help after reboot."
    },
    {
      "role": "assistant",
      "content": [
        {
          "type": "reasoning",
          "text": "**Planning system inspection**\n\nI need to take action and inspect the host. It's likely that I should implement something durable, and systemd seems like the way to go. I'll need to use some tools, and it might be useful to create a task list before starting. First, I should check the /opt directory, look at the unit, and assess the operating system (OS). This will help me get a clear view of the situation!",
          "details": [
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": "**Planning system inspection**\n\nI",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " need",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " to",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " take",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " action",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " and",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " inspect",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " the",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " host",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": ".",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " It's",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " likely",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " that",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " I",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " should",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " implement",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " something",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " durable",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": ",",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " and",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " system",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": "d",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " seems",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " like",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " the",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " way",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " to",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " go",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": ".",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " I'll",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " need",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " to",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " use",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " some",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " tools",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": ",",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " and",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " it",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " might",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " be",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " useful",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " to",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " create",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " a",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " task",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " list",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " before",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " starting",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": ".",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " First",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": ",",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " I",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " should",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " check",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " the",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " /",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": "opt",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " directory",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": ",",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " look",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " at",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " the",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " unit",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": ",",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " and",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " assess",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " the",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " operating",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " system",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " (",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": "OS",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": ").",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " This",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " will",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " help",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " me",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " get",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " a",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " clear",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " view",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " of",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " the",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " situation",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": "!",
              "type": "reasoning.summary"
            },
            {
              "data": "gAAAAABqffJTzS_tLEydZ6gj8itv04kRw62VeROskg8GPdXfldUd-PJR96pelpFQJpuygJn9gn_R31y0x7hDbMaFntbCaQcXH02z2j1JGowIyFDyqDrKB0RWZZPvB18gQFkIWqz-1MIgpTLy0c7SmGEEAMZ9SPMnlbGgbbrG1ylTqWC7ijiRsd0hISVnG6PRRJPmiFSEl56_eI3Y3r0BBtoH1RtmZ3nZ3SNZ_yh4DBoL0R24NOSA03ns_g8WKBdw5KGtxOWV1tFq2Crq2YgJWtf8SxJUUqbos8zJWUH42vrzdhUs80cdOmE8IcuPmYcgVk-Xw3dYGVCWcxhC2cgm-itHc7W17_-fnnlQhMsrFoGZRiC8Q3k8k5bGJxr4hChhlApSzahHUddKMGwGWRgaEdAPAFQ_oCswi5w3FlYwM7G8kearmtVop4IJni5gSadyyD-cV8WIDsVjeSEuSHPcEdwo8zl07NlYeJ7rd1ix6jFBffalH8pR1s96sYQtuuQRCuDkH7R0JFuLFnzbGQtHILnZhA_5DvoOCnnvUe79ZbcofMuRalaZ00MdFy5q7kLIYdEKGVzdWHAWIWJMg_uICip2JxucvFrFWhyJS5UUflwNTJ5rH-5c57OBBeeevXldvcJJKicinXmeTeU0EX5VIKfLMq7HDrzzn1BPSmcFUgvRG2Oai0At6hMCxMJW9fHVNZx1ck9fFUxiea953f-VJb9FUamIPeQ6Q49KfIKP26u_uds72KfZeWSyHUDGXnrX0lbcZH0sR7TrQXWiB5z1RTH4maHSyR6Tyv07Le5EJPYwjkkUSpm1ebQ12r3Pe7O7VWh9BfBVnImuTTL72fRI7zK06I-iCe-UK0QZkllxfn16Duemba-aJslATItWpCYzI2ppsfWt35d4Hr28fdF0o7bgMH8MbBgMT-BtsH2CAtH8QaD_Aht03HRk3Pv056ssmqwnvBlztgeS8ySPg0ow_-Yh5dN4RVHcXL9uFMka0tbubCjUixb9q2ir3dcJFg_v8sO7QtN-6H27Vrx3AAzXP9P0roKGU5aQ-hjH5VQu0qFoWYDeeLIis91eKbSsyEbsf8XUG13RLGpBRVYlQ79MSslzfCY6ppapm517L8yH1XdXgMg7JblFrdw=.eyJlbmRwb2ludF9zbHVnIjoib3BlbmFpL2dwdC01LjYtbHVuYS0yMDI2MDcwOXxvcGVuYWkifQ",
              "format": "openai-responses-v1",
              "id": "rs_05613c7a71fd25e4016a7df25100308193a11370b49b54583a",
              "index": 1,
              "type": "reasoning.encrypted"
            }
          ]
        },
        {
          "type": "tool_use",
          "id": "call_j5ZJwoEhCHTqkwhmUw7C6lvd",
          "name": "TodoWrite",
          "input": {
            "todos": [
              {
                "activeForm": "Inspecting the host and deployment slot",
                "content": "Inspect the existing service unit and runtime environment",
                "status": "in_progress"
              },
              {
                "activeForm": "Implementing durable HTTP service",
                "content": "Create /opt/builder/app.py with persistent record storage",
                "status": "pending"
              },
              {
                "activeForm": "Starting and enabling deployment",
                "content": "Start and enable builder-app.service",
                "status": "pending"
              },
              {
                "activeForm": "Verifying contract and reboot durability",
                "content": "Test endpoints, restart service, and verify persistence configuration",
                "status": "pending"
              }
            ]
          }
        }
      ]
    },
    {
      "role": "user",
      "content": [
        {
          "type": "tool_result",
          "tool_use_id": "call_j5ZJwoEhCHTqkwhmUw7C6lvd",
          "content": "Added:\n  + Inspect the existing service unit and runtime environment\n  + Create /opt/builder/app.py with persistent record storage\n  + Start and enable builder-app.service\n  + Test endpoints, restart service, and verify persistence configuration\n\nCurrent tasks:\n  ◉ Inspect the existing service unit and runtime environment\n  ○ Create /opt/builder/app.py with persistent record storage\n  ○ Start and enable builder-app.service\n  ○ Test endpoints, restart service, and verify persistence configuration\n"
        }
      ]
    },
    {
      "role": "assistant",
      "content": [
        {
          "type": "tool_use",
          "id": "call_DyUs22l5U89tlOxki6wMyI7i",
          "name": "Bash",
          "input": {
            "command": "ls -la /opt /opt/builder 2>&1; printf '\\n--- unit ---\\n'; systemctl cat builder-app.service 2>&1 || true; printf '\\n--- status ---\\n'; systemctl status builder-app.service --no-pager 2>&1 || true",
            "description": "Inspect deployment slot and systemd unit",
            "timeout": 120000
          }
        },
        {
          "type": "tool_use",
          "id": "call_RXxDf9UFdPsy7sCsPzknjsxu",
          "name": "Bash",
          "input": {
            "command": "id; python3 --version; systemctl is-system-running 2>&1 || true; printf '\\n--- mounts ---\\n'; findmnt /opt 2>&1 || true",
            "description": "Inspect runtime and filesystem",
            "timeout": 120000
          }
        }
      ]
    },
    {
      "role": "user",
      "content": [
        {
          "type": "tool_result",
          "tool_use_id": "call_DyUs22l5U89tlOxki6wMyI7i",
          "content": "ls: cannot access '/opt': No such file or directory\nls: cannot access '/opt/builder': No such file or directory\n\n--- unit ---\n# /etc/systemd/system/builder-app.service -> /nix/store/bkhc7c1djj4z9s51r616fqfbc55zwdvs-unit-builder-app.service/builder-app.service\n[Unit]\nAfter=network.target\nDescription=Agent-built application slot\n\n[Service]\nEnvironment=\"LOCALE_ARCHIVE=/nix/store/54jg0kk0cn5h7j19r0l8x36fmbfywwjj-glibc-locales-2.42-67/lib/locale/locale-archive\"\nEnvironment=\"PATH=/nix/store/di26b1kkbammy0sj70nq5qzvfrh78wxl-coreutils-9.11/bin:/nix/store/fcqbwp5hx5wh3lzf0457wmf0divknz7y-findutils-4.11.0/bin:/nix/store/aak8d9mrdv9sgn0lcg7xss7wxdg9sqh3-gnugrep-3.12/bin:/nix/store/7mfsmbhsd3arnypipwm251rcd0b45riy-gnused-4.10/bin:/nix/store/r6sz8p6sd6c73fp9z8nzl04dri7lyx8n-systemd-261.1/bin:/nix/store/di26b1kkbammy0sj70nq5qzvfrh78wxl-coreutils-9.11/sbin:/nix/store/fcqbwp5hx5wh3lzf0457wmf0divknz7y-findutils-4.11.0/sbin:/nix/store/aak8d9mrdv9sgn0lcg7xss7wxdg9sqh3-gnugrep-3.12/sbin:/nix/store/7mfsmbhsd3arnypipwm251rcd0b45riy-gnused-4.10/sbin:/nix/store/r6sz8p6sd6c73fp9z8nzl04dri7lyx8n-systemd-261.1/sbin\"\nEnvironment=\"TZDIR=/nix/store/2nndxyf3phkb5aggxm3c16sapa0f49kz-tzdata-2026c/share/zoneinfo\"\nExecStart=/nix/store/gxzhl7aaiid7zp3y47jqqiq7zg5mqpwp-python3-3.14.6/bin/python /opt/builder/app.py\nRestart=always\nRestartSec=1\n\n[Install]\nWantedBy=multi-user.target\n\n--- status ---\n× builder-app.service - Agent-built application slot\n     Loaded: loaded (/etc/systemd/system/builder-app.service; enabled; preset: ignored)\n     Active: failed (Result: start-limit-hit) since Thu 2026-08-13 16:35:27 UTC; 6s ago\n   Duration: 88ms\n Invocation: d852b90d999b47d99afc525462b8cf2a\n    Process: 635 ExecStart=/nix/store/gxzhl7aaiid7zp3y47jqqiq7zg5mqpwp-python3-3.14.6/bin/python /opt/builder/app.py (code=exited, status=2)\n   Main PID: 635 (code=exited, status=2)\n         IP: 0B in, 0B out\n         IO: 0B read, 0B written\n   Mem peak: 4.3M\n        CPU: 38ms\n\nAug 13 16:35:27 builder-two systemd[1]: builder-app.service: Scheduled restart job, restart counter is at 5.\nAug 13 16:35:27 builder-two systemd[1]: builder-app.service: Start request repeated too quickly.\nAug 13 16:35:27 builder-two systemd[1]: builder-app.service: Failed with result 'start-limit-hit'.\nAug 13 16:35:27 builder-two systemd[1]: Failed to start Agent-built application slot.\n"
        },
        {
          "type": "tool_result",
          "tool_use_id": "call_RXxDf9UFdPsy7sCsPzknjsxu",
          "content": "uid=0(root) gid=0(root) groups=0(root)\nPython 3.14.6\ndegraded\n\n--- mounts ---\n"
        }
      ]
    },
    {
      "role": "assistant",
      "content": [
        {
          "type": "reasoning",
          "text": "**Addressing file issues**\n\nI see that the unit lacks a WorkingDirectory, but that’s not an issue. I just need to write something. Before I can edit, it seems like the \"read file\" doesn’t exist. I remember we did an `ls` command to check files, so now I’ll focus on using the write functionality. It’s all about figuring out the right steps to get everything sorted!",
          "details": [
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": "**Addressing file issues**\n\nI",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " see",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " that",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " the",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " unit",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " lacks",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " a",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " Working",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": "Directory",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": ",",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " but",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " that",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": "’s",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " not",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " an",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " issue",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": ".",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " I",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " just",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " need",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " to",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " write",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " something",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": ".",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " Before",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " I",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " can",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " edit",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": ",",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " it",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " seems",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " like",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " the",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " \"",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": "read",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " file",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": "\"",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " doesn",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": "’t",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " exist",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": ".",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " I",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " remember",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " we",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " did",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " an",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " `",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": "ls",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": "`",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " command",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " to",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " check",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " files",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": ",",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " so",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " now",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " I",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": "’ll",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " focus",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " on",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " using",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " the",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " write",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " functionality",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": ".",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " It",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": "’s",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " all",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " about",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " figuring",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " out",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " the",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " right",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " steps",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " to",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " get",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " everything",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " sorted",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": "!",
              "type": "reasoning.summary"
            },
            {
              "data": "gAAAAABqffJecikVBChGCT9YOYpPF2tFaOqNy-FypB3T8WqJbizsaPeVHasuKLjLsi82yi8Qtc8RaJpEj4d41e05spJP-g_llup3nXZPVvxfn1zHqmx-SJwFxTj8vlfAYMe3OmHlJjJ6rXb8-bhSQrhnejK99JJdLPjgW4sxgA0SFVRoGRiHm-F_T6kDY9KzW3LGyXektFvYCBN-gXW6puigIjUHYLv5EsihMD6Hi0-wLoiymhSMEMJ1r2u_aEAhbBsXqkBWbYQy_KORt0_8rpiRbHORaNQ_pgEb9QpD0kFQ3c_x3IVjPqNLafpmZc2DzGJrau6QLc0ccIlUsixZxHusugoBm2g4D96inYpNSPinWiUFRCYMQMBzdx9RoxJBab9n9fHVr5Vq6eg9dLDJknKs5UD7xfRfba7QGOpKpzN8oVX8-Yp_O--VoCQX0UqzNVc8KqgyEyJal_ASTs0ePiQaCHJLJ1HeCyQQF0SSr3pj-n4yhDVMK7hqdRv7k97FOhT130gFsGtrseGaQlqTChEguMCj6ywbCYoVOlTTlyjNydtgre2ONo9XyXZmnOqMoNANbLEly1yxIPWyt_aDntkLY2XI0JN4s-298HI46X9G22PsDnB5XrFqf1k2gXx1uVoPz_UPliXRA-ek7sMrg_X_JQ71z13tqO7fAJ_20iOwn2gW_Eug8xV4Vu-aYRGynqXr7AYuQ7uvJNEk2F6mLjoPtDE1W9xZn1XX48b4Kt0pbnsjgSGUDJH-QCwI2yCNwQFTJGgzcjbF6RZNpZsy1RD3BOLdkrE8w6Ed1-Kni9EIkxwXJgOMavBKYpZeQTjoaD83yD2olVhkzgV6KNPO_IVHk-iKx_a7tNMo7GF8xCniRksw7tX0qLSKltHgpNEOTp2x3WM_cJbUgPB_uC9_oAH-NykgSWWwcop9sZ01OpqclZJP2HNS4l_O_SXSCaPP1sEtOtasHmsvpgcPkCBuM3dcZIxDlkxKi8v9e5DhRio_nxoZ1nCNMDdGxiiEM2oOfuU8FzyT-di_Yx63KDhBraYTAIXiigX9Ow6Q9wV0XsBKgTTKPVDTrpwnxG_LhOAfVaMrdwdfK11z9k_E6wxrNXCOxm-H_xlrrzujvYUNH2iJbZTvMMzlzKhpZNOgtP7gKwQTEoqEp06J6nksElsEjo88-uEGK7JSpC9UofxIC7EKjgSPieFZF8KRlghy4tQ6kKLocuiNkZwKzPsoC_ld9_3U3KTBYTAU5Wi5EPL3VE4dzBLUEwCkdUS9up1n7Tkalty7kx7EJtV8_Pj4sMNuj9wXgm1ZVgn-dlxxqlaHlLWIVbglo0O-8mEw5fS3rniBJvCC08PAQsUSZ-_kXhWbz0YCp8naitsFIE97FxG7J2brcdgvAFzBeDYaw87_heIylx1aNSbQ0FL257SN7Vf_c_c0pzaKUNPJJR_6hR4eIIN5rLQyqpLGijqsBHracq1LMbk7dI2UofX7iLyszYcrR1Ns8gCMgpJgqzjnHje8kKfqmXI831AmdEjvw0f_y1BeiWTwPbX3NNDCFEr_Yr_Ji1ZtF0plcMZ54-hBDZPFjzDTQZw_lRcAiJwoiV8OCaEgdFYcCDkFx0e8c97ep46IfQTchoPH1iSsH6igaDyJHNwC6QGyzjTfEgpnwTTRPqBLWOv68Hpaqhfpfu1iSL3SY9-1N2Sc3rP_hBDyn0yg82DHBaDva8Ym-xdAkYKNIhoM1P2osxR5puhJvtm9yYBySCkSL2d6bYAEwctgALAX--xFlpdgOIaXQEwhkDWMDyph2kJMy2gktjUYxjMmR0YM_U6TIziCrwwwspPgn9WdA6BwTqxR5ZNiAxyQT97aqefQAqSn04AiILHG9Lp6D-ONCA7ecoUW2e-XFbZcSQVbURNSy0idqmxExGIEp7CR_x7lrxOutY4Y1GGNx6kCDzh3a_kSR9Z-rQ4MVZ8NikaGStGDL_exRqiUNfxopA4cWPDhHOaGtz6FqBH5g7CfWi2MoekFvYdUel3T3XOusErmqMUJUbCX04Z7s99xu3KhIHMiY6KJojhAzYZqsPMDP4yPmp-k7GaIeY9ckfYgd3sd-9jbbLtOWReDpxRBV3OPTMpm3-A6gj_mexg9boNpfbAlxyhdbzSZdqQ9vcItNs7vPEoLSMnRR6TcoPSc4to54OwjYxb02mnUdzD2wqgGYKjZmA3OuIHNfHRDtHY2lejTK8soTQaGjjvApBweRroTzTDIxioD73irG75PAgjRStVshB4ISF6vnnwpUldUn6rgp7JWkBQUcIwHA-Umf4QCsnRYXt8MTmQZvJnXHSxDSAgegWIK_ZQcJ0W-CIDBZh8AGKX2zUlDNvdQnTgS6fomx1uTohDLWDyoGaej042KrMiQeW0MWu-AJDSyznTjHuztWCRfV7mK38r4GLtpOrkvcEqUMgeI1UZNFlyJ_06hpSnrnxDq1hEvhblmtZHwBIpv4yeka1jl6A0jPMjwdoAf7NA1jAHgel5bfbxn7V70cD4hh2Zg6OmgDdqP89lsKFfQeuJbWlS7J4trgY0dmjt7pR74LbHRnZt3NDvYi8a-8jrIb41O-Y3ejV6gw62xanDeN5BJErdORgSwB2ActxgTgux-NlnvGxCA6zA1IQe99ggE3sv8woaKYMilw_FPoGo4Gzc4Zn588GH7XnfjEdLsGKsSeKg_pV3Yrhy2n7FcPeK2Bkjih7690OC3_G8TaP36--Bax4rqLDbfMbSerRtiombVruuv4AvROarnxZVg9yqO-WM5yxD7oDnNIPGYeXmaT7NOcUr2DrSlr5FKEFs5LLGo4gqyM43YfEUShykkNo7JR2Zo2_kQFiVKRDwCtZey52l5PdkrPHB_jlPYi12jZlZB1svHfou4Yurv8138eqr6yssc6EBaaM5Eurh_7phxOMSVqYaakaaB2BnwkSDuEyTlm7B6LrxVD3GqxygI7abRyb92EF9LYbs7KlS2MSdBuEO7qLt1qWn9kVwHcSLgi1qD371q5Yr6z55uhuhvsJbqiggFt0woCMRSkdK0NsfrJQqH53cXUUYee5PkljlDfh8p5A1BS_Ym7H0Ousw2MpmR_sRRGQOqecyIVJ9V8i3OqUdDe4M4pzeELGKPswrTH4IRVrSCbOZvg_9Q5TvfMalrLAWg3JxyS4gy01Iv8R6v6lS9tHfzB5qjP0_4oilar4fw5YG26kE2E2Up4gVnYyYpb_pDm8utclu3xLkOvN8O81l6EB0L3w9K3YoJi2RWLDJxb6ioGiS-io5d3UKAdZY75mlw2lY4zPC_BkJ49Y_zvtViA_twZMaLQWkVxNetuw1GclVAEPbWCDiwmwts9wsQMt5D_6flaKLd1tQ2Qe2l658P0VblpTugfIguJ9gvv-bCpccCL2g0Xiexrlj9-UrGGuQaEh5cZbGCIJNm12yPU7vcCpFpIHab6PEpPn1QIXNrB6pqD26kTW7pL7UkXV2aAZiSMqGnOZ__jFi71hg9tZgt_NdUruNcJ3QMS0DxnWSeWWFeReuEshM246IEKa_jjWo1v3SRxFLSmxIT9yVAuxu1w31crru_hgAWCP7snrrZuOMXul30wdDptfu9OX6Y9e-xoBtbY1E-IPWnuwX9BuLrHZ-QEyVV26Nco-yKOnS498WJ3h8VSCpSFsYA-WItlcOcH6tXZx2ybt3akz1ZQGuEM06qPfAQL_ItJNtdmWl_l9tKzcL81o9zYjyUz0zOuy305OpYyUFoBbXCahLPCbCTe-bWscq0l_iYzJuqhcsT2EJ4lVzSdxwV00ZxV7hSrbpLJHcR5jN5DxYBcA3g1k4hMQ5JG8mczIDUhPsG52KGLl6pIJCK_Uu3Wuxgyw0CjIa-fneOEsv-nETEXNDrjEUYLKjtqPbl_4R56EonfWbhLDtv7LSSe9mtRz4dcV1b_1GfsBCDSIbr79S-xl2jMntf4ctfbAXav-0hnAVa6JSO-FHnJlLlVoxx.eyJlbmRwb2ludF9zbHVnIjoib3BlbmFpL2dwdC01LjYtbHVuYS0yMDI2MDcwOXxvcGVuYWkifQ",
              "format": "openai-responses-v1",
              "id": "rs_05613c7a71fd25e4016a7df25875d881939fef86aed1c7aae9",
              "index": 1,
              "type": "reasoning.encrypted"
            }
          ]
        },
        {
          "type": "tool_use",
          "id": "call_xzUuurEs9BmSdXt9ULrN6YM2",
          "name": "TodoWrite",
          "input": {
            "todos": [
              {
                "activeForm": "Inspecting the host and deployment slot",
                "content": "Inspect the existing service unit and runtime environment",
                "status": "completed"
              },
              {
                "activeForm": "Implementing durable HTTP service",
                "content": "Create /opt/builder/app.py with persistent record storage",
                "status": "in_progress"
              },
              {
                "activeForm": "Starting and enabling deployment",
                "content": "Start and enable builder-app.service",
                "status": "pending"
              },
              {
                "activeForm": "Verifying contract and reboot durability",
                "content": "Test endpoints, restart service, and verify persistence configuration",
                "status": "pending"
              }
            ]
          }
        }
      ]
    },
    {
      "role": "user",
      "content": [
        {
          "type": "tool_result",
          "tool_use_id": "call_xzUuurEs9BmSdXt9ULrN6YM2",
          "content": "Started:\n  > Implementing durable HTTP service\nCompleted:\n  ✓ Inspect the existing service unit and runtime environment\n\nCurrent tasks:\n  ✓ Inspect the existing service unit and runtime environment\n  ◉ Create /opt/builder/app.py with persistent record storage\n  ○ Start and enable builder-app.service\n  ○ Test endpoints, restart service, and verify persistence configuration\n"
        }
      ]
    },
    {
      "role": "assistant",
      "content": [
        {
          "type": "tool_use",
          "id": "call_X2cc8V2rprRP504gnLJHEK0Q",
          "name": "Write",
          "input": {
            "content": "#!/usr/bin/env python3\nimport os\nimport sqlite3\nimport threading\nfrom http.server import BaseHTTPRequestHandler, ThreadingHTTPServer\nfrom urllib.parse import unquote, urlsplit\n\nHOST = \"0.0.0.0\"\nPORT = 8080\nDATA_DIR = \"/var/lib/builder-app\"\nDATABASE = os.path.join(DATA_DIR, \"records.sqlite3\")\n\n\nclass RecordStore:\n    def __init__(self, filename):\n        os.makedirs(os.path.dirname(filename), mode=0o755, exist_ok=True)\n        self._connection = sqlite3.connect(filename, check_same_thread=False)\n        self._lock = threading.Lock()\n        with self._connection:\n            self._connection.execute(\"PRAGMA journal_mode=WAL\")\n            self._connection.execute(\"PRAGMA synchronous=FULL\")\n            self._connection.execute(\n                \"CREATE TABLE IF NOT EXISTS records (id TEXT PRIMARY KEY, body BLOB NOT NULL)\"\n            )\n\n    def put(self, record_id, body):\n        with self._lock:\n            self._connection.execute(\n                \"INSERT INTO records (id, body) VALUES (?, ?) \"\n                \"ON CONFLICT(id) DO UPDATE SET body = excluded.body\",\n                (record_id, sqlite3.Binary(body)),\n            )\n            self._connection.commit()\n\n    def get(self, record_id):\n        with self._lock:\n            row = self._connection.execute(\n                \"SELECT body FROM records WHERE id = ?\", (record_id,)\n            ).fetchone()\n        return None if row is None else bytes(row[0])\n\n\nstore = RecordStore(DATABASE)\n\n\nclass Handler(BaseHTTPRequestHandler):\n    protocol_version = \"HTTP/1.1\"\n\n    def _send(self, status, body=b\"\", content_type=None):\n        self.send_response(status)\n        if content_type is not None:\n            self.send_header(\"Content-Type\", content_type)\n        self.send_header(\"Content-Length\", str(len(body)))\n        self.send_header(\"Connection\", \"close\")\n        self.end_headers()\n        if body:\n            self.wfile.write(body)\n        self.close_connection = True\n\n    def _record_id(self):\n        path = urlsplit(self.path).path\n        prefix = \"/records/\"\n        if not path.startswith(prefix):\n            return None\n        encoded_id = path[len(prefix):]\n        if not encoded_id or \"/\" in encoded_id:\n            return None\n        record_id = unquote(encoded_id)\n        if not record_id or \"/\" in record_id or \"\\\\\" in record_id:\n            return None\n        return record_id\n\n    def do_GET(self):\n        path = urlsplit(self.path).path\n        if path == \"/health\":\n            self._send(200, b\"ready\", \"text/plain\")\n            return\n\n        record_id = self._record_id()\n        if record_id is None:\n            self._send(404)\n            return\n        body = store.get(record_id)\n        if body is None:\n            self._send(404)\n            return\n        self._send(200, body)\n\n    def do_PUT(self):\n        record_id = self._record_id()\n        if record_id is None:\n            self._send(404)\n            return\n        try:\n            length = int(self.headers.get(\"Content-Length\", \"-1\"))\n        except ValueError:\n            length = -1\n        if length < 0:\n            self._send(411)\n            return\n        body = self.rfile.read(length)\n        if len(body) != length:\n            self._send(400)\n            return\n        store.put(record_id, body)\n        self._send(204)\n\n    def log_message(self, format, *args):\n        return\n\n\nif __name__ == \"__main__\":\n    server = ThreadingHTTPServer((HOST, PORT), Handler)\n    try:\n        server.serve_forever()\n    finally:\n        server.server_close()\n        store._connection.close()\n",
            "file_path": "/opt/builder/app.py"
          }
        }
      ]
    },
    {
      "role": "user",
      "content": [
        {
          "type": "tool_result",
          "tool_use_id": "call_X2cc8V2rprRP504gnLJHEK0Q",
          "content": "Successfully wrote to /opt/builder/app.py"
        }
      ]
    },
    {
      "role": "assistant",
      "content": [
        {
          "type": "reasoning",
          "text": "**Testing service setup**\n\nI think I need to start the service and run a test. First, I should inspect the syntax, possibly in Python. Then I'll run `py_compile` and perhaps reset any failed system services with `systemctl`. I should ensure I enable it explicitly and check the permissions; maybe I’ll need to use `chmod` for the specific executable path that Python reads. Alright, let’s get this started!",
          "details": [
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": "**Testing service setup**\n\nI",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " think",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " I",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " need",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " to",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " start",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " the",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " service",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " and",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " run",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " a",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " test",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": ".",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " First",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": ",",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " I",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " should",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " inspect",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " the",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " syntax",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": ",",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " possibly",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " in",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " Python",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": ".",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " Then",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " I'll",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " run",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " `",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": "py",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": "_compile",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": "`",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " and",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " perhaps",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " reset",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " any",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " failed",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " system",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " services",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " with",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " `",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": "system",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": "ctl",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": "`.",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " I",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " should",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " ensure",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " I",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " enable",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " it",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " explicitly",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " and",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " check",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " the",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " permissions",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": ";",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " maybe",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " I",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": "’ll",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " need",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " to",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " use",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " `",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": "chmod",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": "`",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " for",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " the",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " specific",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " executable",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " path",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " that",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " Python",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " reads",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": ".",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " Al",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": "right",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": ",",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " let",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": "’s",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " get",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " this",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": " started",
              "type": "reasoning.summary"
            },
            {
              "format": "openai-responses-v1",
              "index": 0,
              "summary": "!",
              "type": "reasoning.summary"
            },
            {
              "data": "gAAAAABqffJoo0J3n_LjH1uW_aQFj2g1rUwlLlhIufh5hG_BLIdm3LbxjGeP1KH5zoZNGIySh8eIIkLwJu4tanc6qisfiDEAHIjGRIxVsTKwU154x7WPqg21xEFSkJSNA6sFmdstdV7iTim1eHqeAjYKh8jqZcaB4boqjX4UgEUgcYB8IA7K7Ggp9hf8HPKw-yX3Npj-G_FYGzdVGithDia_hA0hApPq_4yU-SxuHbno9aD9H5BJ3b_QHyd6vSGE98p0EThbwJjOGUu9-iK4kzSb_xpGWljV9QIh0lCv2hzqhbVUKES6CcPYEClvTZbGHgDMTsoRNeZw0pj5kPEHUZOyLqpbyeO7_avlauvkM0H9wCX4vNBBglhHM81w_UoJil_o-ylY3CfdNldc4kTPgwX4RM220N-HKpseT9D7Win3zFKRJf-2tmenBBmGXnCmETrltqx9sq0fp9Awo_Aj5FGCbSsE9x89B3_LOv9qIli3d6tcKqSK8a4tgkRvFHFFTqv334AuSPOzNa1SlmV7PiT4rU-U21-YSUQ3TS_bckQuU6GkfzxT2JGsmHPnYxfUJtimeplc78J5DjGbkRFdhM_pZaZrF-3m8qbysoi9BH1r3nQzNolBHlm0aicC9e38EB0ZS1mPfOurt-0f7obDvKeHRlPmbkNZ22tY7HCmJgWGYOEbTOtpcfsISzg2fym0G2ODnYnAetChXjZlxDwRmJNQXDeBlKm5e66HJJpVYTaSIqFCVac-XiqHPlTltzJ_jKPK1Ldhuh_f4jnzeblXal7Mi1u25Y6MwJ9KqEIDF7DhNFNqX2-kFWe38BV2UcrXNAYUTKYbhcWf5IxyEkKlsgQyepbHiJuctONhrChRvHek3rKsPpLYRQ3aH7hRiTGbXSQ0PZhItPj0-xzFcOmArbzVyM8CuECf4sXjvDT_b6yF07fjiWVt7FmrRdNWadanBhCl04sSawhqr8X0kpusHiYTnjQuMJu_AZKhy-S11ndHXNzcrr5XGX4SnqZatvw35BS0SbbX1J0U-RAvzQ2zXAGkXikcugP_NjxdjOW_gODV41FYjRTjxV84zPYX-geCQ3BGWDg2ooj0mCVLOuneW5aqTx1n6i1VSVKW02ekB3QhLDPzXjjOM97elg5ooq_1ww7PFAMGKMXLPnkyVcy5dlwJA6ylVpWnbNj1zciaLKzaoLCgt-nXK0ZrHpR323xgSGsdsdVQJQpQgHd4-_W85djbf1BkrvILMNvOojSoSxNGvCaQpvP9UCQ=.eyJlbmRwb2ludF9zbHVnIjoib3BlbmFpL2dwdC01LjYtbHVuYS0yMDI2MDcwOXxvcGVuYWkifQ",
              "format": "openai-responses-v1",
              "id": "rs_05613c7a71fd25e4016a7df2660c6081938a5511a5ebc6bb1a",
              "index": 1,
              "type": "reasoning.encrypted"
            }
          ]
        },
        {
          "type": "tool_use",
          "id": "call_dYtyNcxM9gAnsNaBWm8MnnZJ",
          "name": "Bash",
          "input": {
            "command": "python3 -m py_compile /opt/builder/app.py",
            "description": "Check application syntax",
            "timeout": 120000
          }
        },
        {
          "type": "tool_use",
          "id": "call_3MD6lFOtJEaPaQ0KjFM7pnC8",
          "name": "Bash",
          "input": {
            "command": "stat -c '%A %U:%G %n' /opt/builder/app.py",
            "description": "Check application file",
            "timeout": 120000
          }
        }
      ]
    },
    {
      "role": "user",
      "content": [
        {
          "type": "tool_result",
          "tool_use_id": "call_dYtyNcxM9gAnsNaBWm8MnnZJ",
          "content": ""
        },
        {
          "type": "tool_result",
          "tool_use_id": "call_3MD6lFOtJEaPaQ0KjFM7pnC8",
          "content": "-rw-r--r-- root:root /opt/builder/app.py\n"
        }
      ]
    },
    {
      "role": "assistant",
      "content": [
        {
          "type": "reasoning",
          "details": [
            {
              "data": "gAAAAABqffJpQ2Q6CMEiqw4KcCFvovjqWqLMkVNDGavMJ-4ELRs0LYToPjWCnyLfwxh_REkRJttBosqJSSWHWTBTXsbsc2PpGcErOa68FlMYAauvxt3GNohQoh6TspOO3V0MqKVVcvdFvRObTBIq0kEoUpNntiei7GLgzdK1GU7WJWqGSJBOnqZ5GgzvDRnE0rFxFCeVhL2DrgMmkqPXxVtXEq4cs5vRIotQq8leLBOIVhXnzYA1lzE2Vq9HbMEUPt9hBYzozpcQ2TFYa-JOceU2fU_CJ6eMnBeGEUgEq6EPCszitK4Vp1Kyl7Ik9iycpFpZTWKjdRFuW6R_qyVGE4oSrDydnX-RfrXxYLc8eCKV0MDTWoPY19HKPcg7e4sIWswgQh1MnspPW-xaoDEOTNrQQIUROQB5S_v40XIPC2VGViX049VyiKqcDtbIK9KA1-GQ4gsHUijdMjOQQ8Q-adg2gTvGCUvbhMkkHm60u17ub4_kIQrlJ0lq5Hj7E3qZ0L3JVSHffeNWb3qlxpP_Oj_3llU5KW_fQL-FAfSj6G7Ojps_PQnNPriIvg7HO1I9R-W-P2Mc0iObUinFWmRc3XEQ4K6LxHj3MdZv8G1dAbkooGf1WA05mHJQ-uRHi1V4Pk516AwF9efBMurpBR_xBpkCIQtehd65LmPXRXTytdvr_Cn_yQ3WwBMeAD7m2OeonPpojJVUkiUWd-aTi1b96cJyf_nLlb1JlIIXOvtuQAsnHFaQ_lobDLo01LTkM_ZkMs1W2Z0_jre6XHLTiYhcgTAVrpLP6lUWmezqF7j6fYppV2-srsRl9-No5Mccat2l0TzsEu4hvXsTGvlevJbqOMnVhjj6SgxZ7nhFNuW4-WQmqajVqsvUMpfgydhcV5dJeZPaJuLhu3T97RX0r3Bzpm2Mj1R458VRxRLbxY_Hlu1iy8bM_B_QvwE=.eyJlbmRwb2ludF9zbHVnIjoib3BlbmFpL2dwdC01LjYtbHVuYS0yMDI2MDcwOXxvcGVuYWkifQ",
              "format": "openai-responses-v1",
              "id": "rs_05613c7a71fd25e4016a7df26968f8819399aafa41d6937cee",
              "index": 0,
              "type": "reasoning.encrypted"
            }
          ]
        },
        {
          "type": "tool_use",
          "id": "call_4l2fKHU9bE8p9nGDfiSMq863",
          "name": "Bash",
          "input": {
            "command": "systemctl reset-failed builder-app.service && systemctl enable --now builder-app.service && systemctl status builder-app.service --no-pager",
            "description": "Start the durable deployment service",
            "timeout": 120000
          }
        }
      ]
    },
    {
      "role": "user",
      "content": [
        {
          "type": "tool_result",
          "tool_use_id": "call_4l2fKHU9bE8p9nGDfiSMq863",
          "content": "● builder-app.service - Agent-built application slot\n     Loaded: loaded (/etc/systemd/system/builder-app.service; enabled; preset: ignored)\n     Active: active (running) since Thu 2026-08-13 16:35:53 UTC; 17ms ago\n Invocation: af168fb7a17c4ed4bfd3aef8842f8aff\n   Main PID: 729 ((python))\n         IP: 0B in, 0B out\n         IO: 0B read, 0B written\n      Tasks: 1 (limit: 811)\n     Memory: 2M (peak: 2M)\n        CPU: 6ms\n     CGroup: /system.slice/builder-app.service\n             └─729 /nix/store/gxzhl7aaiid7zp3y47jqqiq7zg5mqpwp-python3-3.14.6/bin/python /opt/builder/app.py\n\nAug 13 16:35:53 builder-two systemd[1]: Started Agent-built application slot.\n"
        }
      ]
    }
  ],
  "tool_trace": [
    {
      "id": "call_j5ZJwoEhCHTqkwhmUw7C6lvd",
      "name": "TodoWrite",
      "input": {
        "todos": [
          {
            "activeForm": "Inspecting the host and deployment slot",
            "content": "Inspect the existing service unit and runtime environment",
            "status": "in_progress"
          },
          {
            "activeForm": "Implementing durable HTTP service",
            "content": "Create /opt/builder/app.py with persistent record storage",
            "status": "pending"
          },
          {
            "activeForm": "Starting and enabling deployment",
            "content": "Start and enable builder-app.service",
            "status": "pending"
          },
          {
            "activeForm": "Verifying contract and reboot durability",
            "content": "Test endpoints, restart service, and verify persistence configuration",
            "status": "pending"
          }
        ]
      },
      "output": "Added:\n  + Inspect the existing service unit and runtime environment\n  + Create /opt/builder/app.py with persistent record storage\n  + Start and enable builder-app.service\n  + Test endpoints, restart service, and verify persistence configuration\n\nCurrent tasks:\n  ◉ Inspect the existing service unit and runtime environment\n  ○ Create /opt/builder/app.py with persistent record storage\n  ○ Start and enable builder-app.service\n  ○ Test endpoints, restart service, and verify persistence configuration\n",
      "is_error": false,
      "read_only": true,
      "started_after_ms": 4854,
      "duration_ms": 0
    },
    {
      "id": "call_DyUs22l5U89tlOxki6wMyI7i",
      "name": "Bash",
      "input": {
        "command": "ls -la /opt /opt/builder 2>&1; printf '\\n--- unit ---\\n'; systemctl cat builder-app.service 2>&1 || true; printf '\\n--- status ---\\n'; systemctl status builder-app.service --no-pager 2>&1 || true",
        "description": "Inspect deployment slot and systemd unit",
        "timeout": 120000
      },
      "output": "ls: cannot access '/opt': No such file or directory\nls: cannot access '/opt/builder': No such file or directory\n\n--- unit ---\n# /etc/systemd/system/builder-app.service -> /nix/store/bkhc7c1djj4z9s51r616fqfbc55zwdvs-unit-builder-app.service/builder-app.service\n[Unit]\nAfter=network.target\nDescription=Agent-built application slot\n\n[Service]\nEnvironment=\"LOCALE_ARCHIVE=/nix/store/54jg0kk0cn5h7j19r0l8x36fmbfywwjj-glibc-locales-2.42-67/lib/locale/locale-archive\"\nEnvironment=\"PATH=/nix/store/di26b1kkbammy0sj70nq5qzvfrh78wxl-coreutils-9.11/bin:/nix/store/fcqbwp5hx5wh3lzf0457wmf0divknz7y-findutils-4.11.0/bin:/nix/store/aak8d9mrdv9sgn0lcg7xss7wxdg9sqh3-gnugrep-3.12/bin:/nix/store/7mfsmbhsd3arnypipwm251rcd0b45riy-gnused-4.10/bin:/nix/store/r6sz8p6sd6c73fp9z8nzl04dri7lyx8n-systemd-261.1/bin:/nix/store/di26b1kkbammy0sj70nq5qzvfrh78wxl-coreutils-9.11/sbin:/nix/store/fcqbwp5hx5wh3lzf0457wmf0divknz7y-findutils-4.11.0/sbin:/nix/store/aak8d9mrdv9sgn0lcg7xss7wxdg9sqh3-gnugrep-3.12/sbin:/nix/store/7mfsmbhsd3arnypipwm251rcd0b45riy-gnused-4.10/sbin:/nix/store/r6sz8p6sd6c73fp9z8nzl04dri7lyx8n-systemd-261.1/sbin\"\nEnvironment=\"TZDIR=/nix/store/2nndxyf3phkb5aggxm3c16sapa0f49kz-tzdata-2026c/share/zoneinfo\"\nExecStart=/nix/store/gxzhl7aaiid7zp3y47jqqiq7zg5mqpwp-python3-3.14.6/bin/python /opt/builder/app.py\nRestart=always\nRestartSec=1\n\n[Install]\nWantedBy=multi-user.target\n\n--- status ---\n× builder-app.service - Agent-built application slot\n     Loaded: loaded (/etc/systemd/system/builder-app.service; enabled; preset: ignored)\n     Active: failed (Result: start-limit-hit) since Thu 2026-08-13 16:35:27 UTC; 6s ago\n   Duration: 88ms\n Invocation: d852b90d999b47d99afc525462b8cf2a\n    Process: 635 ExecStart=/nix/store/gxzhl7aaiid7zp3y47jqqiq7zg5mqpwp-python3-3.14.6/bin/python /opt/builder/app.py (code=exited, status=2)\n   Main PID: 635 (code=exited, status=2)\n         IP: 0B in, 0B out\n         IO: 0B read, 0B written\n   Mem peak: 4.3M\n        CPU: 38ms\n\nAug 13 16:35:27 builder-two systemd[1]: builder-app.service: Scheduled restart job, restart counter is at 5.\nAug 13 16:35:27 builder-two systemd[1]: builder-app.service: Start request repeated too quickly.\nAug 13 16:35:27 builder-two systemd[1]: builder-app.service: Failed with result 'start-limit-hit'.\nAug 13 16:35:27 builder-two systemd[1]: Failed to start Agent-built application slot.\n",
      "is_error": false,
      "read_only": false,
      "started_after_ms": 7495,
      "duration_ms": 116
    },
    {
      "id": "call_RXxDf9UFdPsy7sCsPzknjsxu",
      "name": "Bash",
      "input": {
        "command": "id; python3 --version; systemctl is-system-running 2>&1 || true; printf '\\n--- mounts ---\\n'; findmnt /opt 2>&1 || true",
        "description": "Inspect runtime and filesystem",
        "timeout": 120000
      },
      "output": "uid=0(root) gid=0(root) groups=0(root)\nPython 3.14.6\ndegraded\n\n--- mounts ---\n",
      "is_error": false,
      "read_only": false,
      "started_after_ms": 7612,
      "duration_ms": 30
    },
    {
      "id": "call_xzUuurEs9BmSdXt9ULrN6YM2",
      "name": "TodoWrite",
      "input": {
        "todos": [
          {
            "activeForm": "Inspecting the host and deployment slot",
            "content": "Inspect the existing service unit and runtime environment",
            "status": "completed"
          },
          {
            "activeForm": "Implementing durable HTTP service",
            "content": "Create /opt/builder/app.py with persistent record storage",
            "status": "in_progress"
          },
          {
            "activeForm": "Starting and enabling deployment",
            "content": "Start and enable builder-app.service",
            "status": "pending"
          },
          {
            "activeForm": "Verifying contract and reboot durability",
            "content": "Test endpoints, restart service, and verify persistence configuration",
            "status": "pending"
          }
        ]
      },
      "output": "Started:\n  > Implementing durable HTTP service\nCompleted:\n  ✓ Inspect the existing service unit and runtime environment\n\nCurrent tasks:\n  ✓ Inspect the existing service unit and runtime environment\n  ◉ Create /opt/builder/app.py with persistent record storage\n  ○ Start and enable builder-app.service\n  ○ Test endpoints, restart service, and verify persistence configuration\n",
      "is_error": false,
      "read_only": true,
      "started_after_ms": 15179,
      "duration_ms": 0
    },
    {
      "id": "call_X2cc8V2rprRP504gnLJHEK0Q",
      "name": "Write",
      "input": {
        "content": "#!/usr/bin/env python3\nimport os\nimport sqlite3\nimport threading\nfrom http.server import BaseHTTPRequestHandler, ThreadingHTTPServer\nfrom urllib.parse import unquote, urlsplit\n\nHOST = \"0.0.0.0\"\nPORT = 8080\nDATA_DIR = \"/var/lib/builder-app\"\nDATABASE = os.path.join(DATA_DIR, \"records.sqlite3\")\n\n\nclass RecordStore:\n    def __init__(self, filename):\n        os.makedirs(os.path.dirname(filename), mode=0o755, exist_ok=True)\n        self._connection = sqlite3.connect(filename, check_same_thread=False)\n        self._lock = threading.Lock()\n        with self._connection:\n            self._connection.execute(\"PRAGMA journal_mode=WAL\")\n            self._connection.execute(\"PRAGMA synchronous=FULL\")\n            self._connection.execute(\n                \"CREATE TABLE IF NOT EXISTS records (id TEXT PRIMARY KEY, body BLOB NOT NULL)\"\n            )\n\n    def put(self, record_id, body):\n        with self._lock:\n            self._connection.execute(\n                \"INSERT INTO records (id, body) VALUES (?, ?) \"\n                \"ON CONFLICT(id) DO UPDATE SET body = excluded.body\",\n                (record_id, sqlite3.Binary(body)),\n            )\n            self._connection.commit()\n\n    def get(self, record_id):\n        with self._lock:\n            row = self._connection.execute(\n                \"SELECT body FROM records WHERE id = ?\", (record_id,)\n            ).fetchone()\n        return None if row is None else bytes(row[0])\n\n\nstore = RecordStore(DATABASE)\n\n\nclass Handler(BaseHTTPRequestHandler):\n    protocol_version = \"HTTP/1.1\"\n\n    def _send(self, status, body=b\"\", content_type=None):\n        self.send_response(status)\n        if content_type is not None:\n            self.send_header(\"Content-Type\", content_type)\n        self.send_header(\"Content-Length\", str(len(body)))\n        self.send_header(\"Connection\", \"close\")\n        self.end_headers()\n        if body:\n            self.wfile.write(body)\n        self.close_connection = True\n\n    def _record_id(self):\n        path = urlsplit(self.path).path\n        prefix = \"/records/\"\n        if not path.startswith(prefix):\n            return None\n        encoded_id = path[len(prefix):]\n        if not encoded_id or \"/\" in encoded_id:\n            return None\n        record_id = unquote(encoded_id)\n        if not record_id or \"/\" in record_id or \"\\\\\" in record_id:\n            return None\n        return record_id\n\n    def do_GET(self):\n        path = urlsplit(self.path).path\n        if path == \"/health\":\n            self._send(200, b\"ready\", \"text/plain\")\n            return\n\n        record_id = self._record_id()\n        if record_id is None:\n            self._send(404)\n            return\n        body = store.get(record_id)\n        if body is None:\n            self._send(404)\n            return\n        self._send(200, body)\n\n    def do_PUT(self):\n        record_id = self._record_id()\n        if record_id is None:\n            self._send(404)\n            return\n        try:\n            length = int(self.headers.get(\"Content-Length\", \"-1\"))\n        except ValueError:\n            length = -1\n        if length < 0:\n            self._send(411)\n            return\n        body = self.rfile.read(length)\n        if len(body) != length:\n            self._send(400)\n            return\n        store.put(record_id, body)\n        self._send(204)\n\n    def log_message(self, format, *args):\n        return\n\n\nif __name__ == \"__main__\":\n    server = ThreadingHTTPServer((HOST, PORT), Handler)\n    try:\n        server.serve_forever()\n    finally:\n        server.server_close()\n        store._connection.close()\n",
        "file_path": "/opt/builder/app.py"
      },
      "output": "Successfully wrote to /opt/builder/app.py",
      "is_error": false,
      "read_only": false,
      "started_after_ms": 21238,
      "duration_ms": 0
    },
    {
      "id": "call_dYtyNcxM9gAnsNaBWm8MnnZJ",
      "name": "Bash",
      "input": {
        "command": "python3 -m py_compile /opt/builder/app.py",
        "description": "Check application syntax",
        "timeout": 120000
      },
      "output": "",
      "is_error": false,
      "read_only": false,
      "started_after_ms": 24431,
      "duration_ms": 206
    },
    {
      "id": "call_3MD6lFOtJEaPaQ0KjFM7pnC8",
      "name": "Bash",
      "input": {
        "command": "stat -c '%A %U:%G %n' /opt/builder/app.py",
        "description": "Check application file",
        "timeout": 120000
      },
      "output": "-rw-r--r-- root:root /opt/builder/app.py\n",
      "is_error": false,
      "read_only": false,
      "started_after_ms": 24638,
      "duration_ms": 15
    },
    {
      "id": "call_4l2fKHU9bE8p9nGDfiSMq863",
      "name": "Bash",
      "input": {
        "command": "systemctl reset-failed builder-app.service && systemctl enable --now builder-app.service && systemctl status builder-app.service --no-pager",
        "description": "Start the durable deployment service",
        "timeout": 120000
      },
      "output": "● builder-app.service - Agent-built application slot\n     Loaded: loaded (/etc/systemd/system/builder-app.service; enabled; preset: ignored)\n     Active: active (running) since Thu 2026-08-13 16:35:53 UTC; 17ms ago\n Invocation: af168fb7a17c4ed4bfd3aef8842f8aff\n   Main PID: 729 ((python))\n         IP: 0B in, 0B out\n         IO: 0B read, 0B written\n      Tasks: 1 (limit: 811)\n     Memory: 2M (peak: 2M)\n        CPU: 6ms\n     CGroup: /system.slice/builder-app.service\n             └─729 /nix/store/gxzhl7aaiid7zp3y47jqqiq7zg5mqpwp-python3-3.14.6/bin/python /opt/builder/app.py\n\nAug 13 16:35:53 builder-two systemd[1]: Started Agent-built application slot.\n",
      "is_error": false,
      "read_only": false,
      "started_after_ms": 26692,
      "duration_ms": 472
    }
  ],
  "timing": {
    "total_duration_ms": 28532,
    "model_rounds": [
      {
        "index": 1,
        "started_after_ms": 0,
        "duration_ms": 4853,
        "status": "completed",
        "usage": {
          "input_tokens": 2144,
          "output_tokens": 162,
          "cache_read_tokens": 2141,
          "cache_creation_tokens": 0,
          "cost_usd": 0.00011891
        }
      },
      {
        "index": 2,
        "started_after_ms": 4857,
        "duration_ms": 2636,
        "status": "completed",
        "usage": {
          "input_tokens": 2418,
          "output_tokens": 172,
          "cache_read_tokens": 2141,
          "cache_creation_tokens": 274,
          "cost_usd": 0.00015916
        }
      },
      {
        "index": 3,
        "started_after_ms": 7643,
        "duration_ms": 7535,
        "status": "completed",
        "usage": {
          "input_tokens": 3563,
          "output_tokens": 592,
          "cache_read_tokens": 2415,
          "cache_creation_tokens": 1145,
          "cost_usd": 0.000522775
        }
      },
      {
        "index": 4,
        "started_after_ms": 15181,
        "duration_ms": 6056,
        "status": "completed",
        "usage": {
          "input_tokens": 4241,
          "output_tokens": 961,
          "cache_read_tokens": 3560,
          "cache_creation_tokens": 678,
          "cost_usd": 0.00069725
        }
      },
      {
        "index": 5,
        "started_after_ms": 21239,
        "duration_ms": 3191,
        "status": "completed",
        "usage": {
          "input_tokens": 5221,
          "output_tokens": 149,
          "cache_read_tokens": 4238,
          "cache_creation_tokens": 980,
          "cost_usd": 0.00025458
        }
      },
      {
        "index": 6,
        "started_after_ms": 24653,
        "duration_ms": 2038,
        "status": "completed",
        "usage": {
          "input_tokens": 5406,
          "output_tokens": 66,
          "cache_read_tokens": 5218,
          "cache_creation_tokens": 185,
          "cost_usd": 0.000115205
        }
      },
      {
        "index": 7,
        "started_after_ms": 27165,
        "duration_ms": 1366,
        "status": "error"
      }
    ]
  }
}