{"schema_version": 2, "harness": "opencode", "tool_trace": [{"id": "call_01_6kk9D3HjZtS3Efr1bMxq8857", "name": "bash", "input": {"command": "cat /etc/systemd/system/builder-app.service 2>&1; echo \"===\"; systemctl cat builder-app.service 2>&1"}, "output": "[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# /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", "is_error": false, "read_only": false, "started_after_ms": 0, "duration_ms": 199}, {"id": "call_00_ZVxA8ewjcYsauk0Ef04I3120", "name": "bash", "input": {"command": "cat /etc/os-release; echo \"---\"; whoami; echo \"---\"; ls -la /opt/builder 2>&1; echo \"---\"; systemctl status builder-app.service --no-pager 2>&1 | head -30"}, "output": "ANSI_COLOR=\"0;38;2;126;186;228\"\nBUG_REPORT_URL=\"https://github.com/NixOS/nixpkgs/issues\"\nBUILD_ID=\"26.11.20260810.2fcb964\"\nCPE_NAME=\"cpe:/o:nixos:nixos:26.11\"\nDEFAULT_HOSTNAME=nixos\nDOCUMENTATION_URL=\"https://nixos.org/learn.html\"\nHOME_URL=\"https://nixos.org/\"\nID=nixos\nLOGO=\"nix-snowflake\"\nNAME=NixOS\nPRETTY_NAME=\"NixOS 26.11 (Zokor)\"\nSUPPORT_URL=\"https://nixos.org/community.html\"\nVENDOR_NAME=NixOS\nVENDOR_URL=\"https://nixos.org/\"\nVERSION=\"26.11 (Zokor)\"\nVERSION_CODENAME=zokor\nVERSION_ID=\"26.11\"\n---\nroot\n---\nls: cannot access '/opt/builder': No such file or directory\n---\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 Sun 2026-09-13 02:22:05 UTC; 11s ago\n   Duration: 44ms\n Invocation: d2e9fd52ce554f1cb91e46acb93207a5\n    Process: 614 ExecStart=/nix/store/gxzhl7aaiid7zp3y47jqqiq7zg5mqpwp-python3-3.14.6/bin/python /opt/builder/app.py (code=exited, status=2)\n   Main PID: 614 (code=exited, status=2)\n         IP: 0B in, 0B out\n         IO: 0B read, 0B written\n   Mem peak: 4.1M\n        CPU: 23ms\n\nSep 13 02:22:05 builder-two systemd[1]: builder-app.service: Scheduled restart job, restart counter is at 5.\nSep 13 02:22:05 builder-two systemd[1]: builder-app.service: Start request repeated too quickly.\nSep 13 02:22:05 builder-two systemd[1]: builder-app.service: Failed with result 'start-limit-hit'.\nSep 13 02:22:05 builder-two systemd[1]: Failed to start Agent-built application slot.\n", "is_error": false, "read_only": false, "started_after_ms": 0, "duration_ms": 278}, {"id": "call_01_kNtkS3wSy8DSq6awBkdY4447", "name": "bash", "input": {"command": "df -h /opt /var 2>&1; echo \"---\"; ls -la /var/lib 2>&1 | head; echo \"---\"; systemctl is-enabled builder-app.service 2>&1"}, "output": "df: /opt: No such file or directory\nFilesystem      Size  Used Avail Use% Mounted on\n/dev/vda        2.0G  203M  1.6G  12% /\n---\ntotal 32\ndrwxr-xr-x 8 root root 4096 Sep 13 02:21 .\ndrwxr-xr-x 9 root root 4096 Sep 13 02:21 ..\ndrwxr-xr-x 2 root root 4096 Sep 13 02:21 lastlog\ndrwx------ 2 root root 4096 Sep 13 02:21 machines\ndrwxr-xr-x 2 root root 4096 Sep 13 02:21 nixos\ndrwx------ 2 root root 4096 Sep 13 02:21 portables\ndrwx------ 2 root root 4096 Sep 13 02:21 private\ndrwxr-xr-x 8 root root 4096 Sep 13 02:21 systemd\n---\nenabled\n", "is_error": false, "read_only": false, "started_after_ms": 3209, "duration_ms": 118}, {"id": "call_00_G1Hda2UNzx7tzgRgEIt43371", "name": "bash", "input": {"command": "/nix/store/gxzhl7aaiid7zp3y47jqqiq7zg5mqpwp-python3-3.14.6/bin/python -c \"import http.server, sqlite3; print('ok', __import__('sys').version)\"; echo \"---\"; ls -la /opt 2>&1; echo \"---\"; ss -ltnp 2>/dev/null | grep 8080 || echo \"port 8080 free\""}, "output": "ok 3.14.6 (main, Jun 10 2026, 10:03:53) [GCC 15.3.0]\n---\nls: cannot access '/opt': No such file or directory\n---\nport 8080 free\n", "is_error": false, "read_only": false, "started_after_ms": 3166, "duration_ms": 419}, {"id": "call_00_jTFYEN3Utzr858e0Vh5C1489", "name": "bash", "input": {"command": "mkdir -p /opt/builder /var/lib/builder/records && ls -ld /opt/builder /var/lib/builder/records"}, "output": "drwxr-xr-x 2 root root 4096 Sep 13 02:22 /opt/builder\ndrwxr-xr-x 2 root root 4096 Sep 13 02:22 /var/lib/builder/records\n", "is_error": false, "read_only": false, "started_after_ms": 6524, "duration_ms": 51}, {"id": "call_00_L2RWdAJLaci6co3QShEb7991", "name": "write", "input": {"filePath": "/opt/builder/app.py", "content": "#!/usr/bin/env python3\nimport hashlib\nimport os\nimport tempfile\nfrom http.server import BaseHTTPRequestHandler, ThreadingHTTPServer\n\nDATA_DIR = \"/var/lib/builder/records\"\n\n\ndef record_path(record_id: str) -> str:\n    digest = hashlib.sha256(record_id.encode(\"utf-8\")).hexdigest()\n    return os.path.join(DATA_DIR, digest)\n\n\nclass Handler(BaseHTTPRequestHandler):\n    protocol_version = \"HTTP/1.1\"\n    server_version = \"builder-app\"\n\n    def _send(self, status: int, body: bytes = b\"\", ctype: str = \"application/octet-stream\"):\n        self.send_response(status)\n        if body or status == 200:\n            self.send_header(\"Content-Type\", ctype)\n            self.send_header(\"Content-Length\", str(len(body)))\n        else:\n            self.send_header(\"Content-Length\", \"0\")\n        self.end_headers()\n        if body:\n            self.wfile.write(body)\n\n    def _id(self, path: str):\n        prefix = \"/records/\"\n        if not path.startswith(prefix):\n            return None\n        return path[len(prefix):]\n\n    def do_GET(self):\n        if self.path == \"/health\":\n            self._send(200, b\"ready\", \"text/plain\")\n            return\n        record_id = self._id(self.path)\n        if record_id is None:\n            self._send(404)\n            return\n        try:\n            with open(record_path(record_id), \"rb\") as fh:\n                data = fh.read()\n        except FileNotFoundError:\n            self._send(404)\n            return\n        self._send(200, data)\n\n    def do_PUT(self):\n        record_id = self._id(self.path)\n        if record_id is None:\n            self._send(404)\n            return\n        length = self.headers.get(\"Content-Length\")\n        if length is None:\n            self._send(411)\n            return\n        try:\n            remaining = int(length)\n        except ValueError:\n            self._send(400)\n            return\n        chunks = []\n        while remaining > 0:\n            chunk = self.rfile.read(min(remaining, 1 << 20))\n            if not chunk:\n                break\n            chunks.append(chunk)\n            remaining -= len(chunk)\n        data = b\"\".join(chunks)\n\n        target = record_path(record_id)\n        fd, tmp = tempfile.mkstemp(dir=DATA_DIR)\n        try:\n            with os.fdopen(fd, \"wb\") as fh:\n                fh.write(data)\n                fh.flush()\n                os.fsync(fh.fileno())\n            os.replace(tmp, target)\n            dir_fd = os.open(DATA_DIR, os.O_RDONLY)\n            try:\n                os.fsync(dir_fd)\n            finally:\n                os.close(dir_fd)\n        except BaseException:\n            try:\n                os.unlink(tmp)\n            except OSError:\n                pass\n            raise\n        self._send(204)\n\n    def log_message(self, *args):\n        pass\n\n\ndef main():\n    os.makedirs(DATA_DIR, exist_ok=True)\n    server = ThreadingHTTPServer((\"0.0.0.0\", 8080), Handler)\n    server.serve_forever()\n\n\nif __name__ == \"__main__\":\n    main()\n"}, "output": "Wrote file successfully.", "is_error": false, "read_only": false, "started_after_ms": 11065, "duration_ms": 10}, {"id": "call_00_ys0OnYcorYjVKQYdflYG5413", "name": "bash", "input": {"command": "systemctl reset-failed builder-app.service 2>&1; systemctl start builder-app.service 2>&1; sleep 1; systemctl is-active builder-app.service; ss -ltn | grep 8080 || echo \"not listening\""}, "output": "active\nLISTEN 0      5            0.0.0.0:8080       0.0.0.0:*\n", "is_error": false, "read_only": false, "started_after_ms": 13210, "duration_ms": 1090}], "messages": [{"role": "assistant", "content": [{"type": "text", "text": "I'll start by surveying the host and the dormant deployment slot."}]}, {"role": "assistant", "content": [{"type": "text", "text": "NixOS host with a dormant Python service slot. Let me verify the interpreter and environment."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Python works with sqlite3. Now creating the application and durable data directory."}]}], "usage": {"input_tokens": 10571, "output_tokens": 1331, "cost_usd": null, "estimated_cost_usd": 0.0028503779999999998}, "outcome": {"status": "interrupted", "message": "agent session was interrupted by the referee's host reboot"}, "model": "opencode-go/deepseek-v4.1-flash"}