{
  "scope": "Anonymized client WordPress image pipeline, delivered by Demirix",
  "deliveryPeriod": "August 2026",
  "reviewDate": "2026-10-17",
  "baseline": {
    "date": "2026-08-05",
    "evidenceType": "Recounted retained path manifest",
    "sourceJpegPngPaths": 8293,
    "pathsWithWebpSibling": 8098,
    "pathsWithoutWebpSibling": 195,
    "manifestArchiveSha256": "57aed08644d2112de0143408ed9bdabcc7f3b35ee8134a996e777be3ec013255"
  },
  "deliveryRecord": {
    "date": "2026-08-06",
    "evidenceType": "Contemporaneous delivery notes and client report; not a fresh full-library recount",
    "sourceImages": 8293,
    "reportedWebpCoverage": 8290,
    "automationRecorded": true
  },
  "implementationReviewed": [
    "Retains originals",
    "Locks against overlapping runs",
    "Skips a WebP sibling newer than its source",
    "Checks newly generated output is non-empty and smaller before retention",
    "Records converted, skipped, discarded and failed counts"
  ],
  "liveSample": {
    "date": "2026-10-17",
    "sampleCount": 1,
    "selection": "An image referenced by the public homepage",
    "webpCapableRequest": {
      "status": 200,
      "contentType": "image/webp",
      "bodyBytes": 9806,
      "vary": "Accept"
    },
    "originalFormatRequest": {
      "status": 200,
      "contentType": "image/png",
      "bodyBytes": 6430,
      "vary": "Accept"
    },
    "conclusion": "Format negotiation works for the sample, but the WebP response is larger. This is not proof of a transfer-size improvement."
  },
  "limits": [
    "Baseline inventory, delivery report and live sample are distinct evidence types.",
    "No current full-library count, visual-quality audit, site-wide performance improvement or business outcome is claimed.",
    "Existing derivatives can bypass the new-output size check. The generating process for the sampled existing derivative was not established.",
    "No client identity, domain, image, source path, credentials or private report is published."
  ]
}