{
  "started": "2026-10-08T19:22:25.663Z",
  "machine": "DESKTOP-OC01O77",
  "system": "10.0.28000",
  "platform": "win32",
  "runtime": "v24.19.0",
  "sourceSha256": "3c537b7b4b35d54f2ddc0bec2b3cc79fad2bbe01714016d8f8984927f82edbad",
  "scope": "Controlled local handler experiments with short overridden preparation deadlines and injected child behavior. No production request, Instagram fetching, playable media, live configuration or browser save-speed measurement.",
  "groups": [
    {
      "name": "partial output is not a completed response; timer classification wins",
      "results": [
        {
          "label": "partial-600",
          "configuredDeadlineMs": 600,
          "responseElapsedMs": 1307.401,
          "status": 500,
          "contentDisposition": null,
          "artifactBeforeResult": {
            "bytes": 65536,
            "phase": "child still preparing"
          },
          "childArgs": [
            "--no-playlist",
            "--format",
            "bv*[ext=mp4]+ba[ext=m4a]/b[ext=mp4]/bv*+ba/b",
            "--remux-video",
            "mp4",
            "--no-progress",
            "--no-warnings",
            "--socket-timeout",
            "30",
            "--retries",
            "1",
            "--max-filesize",
            "200M",
            "--output",
            "<temporary-output>/download.%(ext)s",
            "--",
            "https://www.instagram.com/reel/partial-600/"
          ],
          "error": {
            "code": "DOWNLOAD_TIMEOUT",
            "message": "Instagram took too long to respond. Please try again shortly."
          },
          "newTemporaryOutputsRemoved": true
        },
        {
          "label": "partial-rate-text-1200",
          "configuredDeadlineMs": 1200,
          "responseElapsedMs": 1440.807,
          "status": 500,
          "contentDisposition": null,
          "artifactBeforeResult": {
            "bytes": 65536,
            "phase": "child still preparing"
          },
          "childArgs": [
            "--no-playlist",
            "--format",
            "bv*[ext=mp4]+ba[ext=m4a]/b[ext=mp4]/bv*+ba/b",
            "--remux-video",
            "mp4",
            "--no-progress",
            "--no-warnings",
            "--socket-timeout",
            "30",
            "--retries",
            "1",
            "--max-filesize",
            "200M",
            "--output",
            "<temporary-output>/download.%(ext)s",
            "--",
            "https://www.instagram.com/reel/partial-rate-text-1200/"
          ],
          "error": {
            "code": "DOWNLOAD_TIMEOUT",
            "message": "Instagram took too long to respond. Please try again shortly."
          },
          "newTemporaryOutputsRemoved": true
        }
      ]
    },
    {
      "name": "socket-looking error before deadline uses generic classification",
      "results": [
        {
          "label": "socket-before-deadline",
          "configuredDeadlineMs": 5000,
          "responseElapsedMs": 141.162,
          "status": 500,
          "contentDisposition": null,
          "artifactBeforeResult": null,
          "childArgs": [
            "--no-playlist",
            "--format",
            "bv*[ext=mp4]+ba[ext=m4a]/b[ext=mp4]/bv*+ba/b",
            "--remux-video",
            "mp4",
            "--no-progress",
            "--no-warnings",
            "--socket-timeout",
            "30",
            "--retries",
            "1",
            "--max-filesize",
            "200M",
            "--output",
            "<temporary-output>/download.%(ext)s",
            "--",
            "https://www.instagram.com/reel/socket-before-deadline/"
          ],
          "error": {
            "code": "DOWNLOAD_FAILED",
            "message": "The public video could not be downloaded. Please try again shortly."
          },
          "newTemporaryOutputsRemoved": true
        },
        {
          "label": "success-after-socket",
          "configuredDeadlineMs": 5000,
          "responseElapsedMs": 118.634,
          "status": 200,
          "contentDisposition": "attachment; filename=\"instagram-reels.mp4\"",
          "artifactBeforeResult": null,
          "childArgs": [
            "--no-playlist",
            "--format",
            "bv*[ext=mp4]+ba[ext=m4a]/b[ext=mp4]/bv*+ba/b",
            "--remux-video",
            "mp4",
            "--no-progress",
            "--no-warnings",
            "--socket-timeout",
            "30",
            "--retries",
            "1",
            "--max-filesize",
            "200M",
            "--output",
            "<temporary-output>/download.%(ext)s",
            "--",
            "https://www.instagram.com/reel/success-after-socket/"
          ],
          "delayedReadMs": 0,
          "bytes": 4194304,
          "completeElapsedMs": 155.251,
          "newTemporaryOutputsRemoved": true
        }
      ]
    },
    {
      "name": "post-preparation delayed consumption does not reuse child deadline",
      "results": [
        {
          "label": "success-immediate-read",
          "configuredDeadlineMs": 600,
          "responseElapsedMs": 154.875,
          "status": 200,
          "contentDisposition": "attachment; filename=\"instagram-reels.mp4\"",
          "artifactBeforeResult": null,
          "childArgs": [
            "--no-playlist",
            "--format",
            "bv*[ext=mp4]+ba[ext=m4a]/b[ext=mp4]/bv*+ba/b",
            "--remux-video",
            "mp4",
            "--no-progress",
            "--no-warnings",
            "--socket-timeout",
            "30",
            "--retries",
            "1",
            "--max-filesize",
            "200M",
            "--output",
            "<temporary-output>/download.%(ext)s",
            "--",
            "https://www.instagram.com/reel/success-immediate-read/"
          ],
          "delayedReadMs": 0,
          "bytes": 4194304,
          "completeElapsedMs": 187.645,
          "newTemporaryOutputsRemoved": true
        },
        {
          "label": "success-delayed-read",
          "configuredDeadlineMs": 600,
          "responseElapsedMs": 151.83,
          "status": 200,
          "contentDisposition": "attachment; filename=\"instagram-reels.mp4\"",
          "artifactBeforeResult": null,
          "childArgs": [
            "--no-playlist",
            "--format",
            "bv*[ext=mp4]+ba[ext=m4a]/b[ext=mp4]/bv*+ba/b",
            "--remux-video",
            "mp4",
            "--no-progress",
            "--no-warnings",
            "--socket-timeout",
            "30",
            "--retries",
            "1",
            "--max-filesize",
            "200M",
            "--output",
            "<temporary-output>/download.%(ext)s",
            "--",
            "https://www.instagram.com/reel/success-delayed-read/"
          ],
          "delayedReadMs": 1500,
          "bytes": 4194304,
          "completeElapsedMs": 1667.053,
          "newTemporaryOutputsRemoved": true
        }
      ]
    }
  ],
  "finished": "2026-10-08T19:22:30.628Z"
}