{
  "status": "Illustrative acceptance plan, not an executable test suite or observed production result",
  "topic": "Sleep data normalization across devices",
  "date": "2026-11-04",
  "sourceArticle": "https://aptixlabs.com/insights/sleep-data-normalization-wearable",
  "setup": [
    "Use synthetic accounts and records",
    "Record the environment and implementation version",
    "Agree the expected product contract before testing"
  ],
  "reviewSequence": [
    "Preserve source intervals before transformation",
    "Specify overlap and awake-period handling",
    "Version normalization and rebuild affected sessions"
  ],
  "cases": [
    {
      "id": "1",
      "condition": "Two sources overlap",
      "expectedBehavior": "The selected policy avoids double counting",
      "observedBehavior": null,
      "status": "not_run"
    },
    {
      "id": "2",
      "condition": "One source has no stages",
      "expectedBehavior": "No stages are invented",
      "observedBehavior": null,
      "status": "not_run"
    },
    {
      "id": "3",
      "condition": "An interval is corrected",
      "expectedBehavior": "The derived session is recomputed",
      "observedBehavior": null,
      "status": "not_run"
    }
  ],
  "tradeoff": "A single normalized score is convenient but can hide uncertainty. For product decisions that depend on coverage, keep the source detail available to authorized users and support."
}