{
  "traceId": "trace-coding-agent-maintenance-suite-repair-failing-static-build",
  "generatedAt": "2026-05-16T00:00:00+05:30",
  "artifactStatus": "Synthetic replay scaffold. Replace with real harness logs, screenshots, and provider response ids after first production benchmark runs.",
  "runs": [
    {
      "modelId": "frontier-reasoning",
      "modelVersion": "frontier-reasoning-eval-holdout-2026-05",
      "runSeed": 2026051630,
      "promptPacket": "repair-failing-static-build-holdout-packet-v0.1",
      "toolCalls": [
        "read build error",
        "patch renderer",
        "run lint",
        "run build"
      ],
      "answerExcerpt": "Added a null-safe fallback for optional research notes and reran the Webpack build.",
      "failureReason": "No major issue.",
      "reviewerNote": "Identified optional field issue and added a narrow fallback with clean build proof.",
      "costUnits": 5.5,
      "latencyMs": 7420
    },
    {
      "modelId": "fast-mid-tier",
      "modelVersion": "fast-mid-tier-eval-holdout-2026-05",
      "runSeed": 2026051631,
      "promptPacket": "repair-failing-static-build-holdout-packet-v0.1",
      "toolCalls": [
        "read build error",
        "patch renderer"
      ],
      "answerExcerpt": "Used a type assertion to bypass the optional value issue.",
      "failureReason": "Build passed but type assertion was wider than necessary.",
      "reviewerNote": "Fixed build but used a wider type assertion than necessary.",
      "costUnits": 2.3,
      "latencyMs": 4380
    },
    {
      "modelId": "open-weight-local",
      "modelVersion": "open-weight-local-eval-holdout-2026-05",
      "runSeed": 2026051632,
      "promptPacket": "repair-failing-static-build-holdout-packet-v0.1",
      "toolCalls": [
        "patch content"
      ],
      "answerExcerpt": "Changed the data object so every article has the same field.",
      "failureReason": "Changed data shape globally and left one route unverified.",
      "reviewerNote": "Changed data shape but left one route unverified.",
      "costUnits": 1.5,
      "latencyMs": 6540
    },
    {
      "modelId": "small-routing",
      "modelVersion": "small-routing-eval-holdout-2026-05",
      "runSeed": 2026051633,
      "promptPacket": "repair-failing-static-build-holdout-packet-v0.1",
      "toolCalls": [
        "classify error"
      ],
      "answerExcerpt": "This seems like a dependency mismatch.",
      "failureReason": "Misdiagnosed the issue as dependency mismatch.",
      "reviewerNote": "Misdiagnosed the issue as dependency mismatch.",
      "costUnits": 0.4,
      "latencyMs": 2310
    }
  ]
}