{
  "status": "Illustrative acceptance plan, not an executable test suite or observed production result",
  "topic": "Firestore read cost debugging",
  "date": "2026-11-04",
  "sourceArticle": "https://aptixlabs.com/insights/firestore-read-costs-optimization",
  "setup": [
    "Use synthetic accounts and records",
    "Record the environment and implementation version",
    "Agree the expected product contract before testing"
  ],
  "reviewSequence": [
    "Map each screen to queries and listener lifecycles",
    "Run a controlled navigation and reconnect experiment",
    "Compare alternatives using current billing rules"
  ],
  "cases": [
    {
      "id": "1",
      "condition": "A tab unmounts",
      "expectedBehavior": "Its owned listeners are disposed",
      "observedBehavior": null,
      "status": "not_run"
    },
    {
      "id": "2",
      "condition": "A list loads another page",
      "expectedBehavior": "The query scope stays bounded",
      "observedBehavior": null,
      "status": "not_run"
    },
    {
      "id": "3",
      "condition": "A client reconnects",
      "expectedBehavior": "The measured behavior matches the documented caching policy",
      "observedBehavior": null,
      "status": "not_run"
    }
  ],
  "tradeoff": "Denormalizing data can reduce some reads while increasing write complexity and consistency work. Choose a change based on a measured interaction and a clear maintenance owner."
}