[
  {
    "id": "audit-retention",
    "kind": "constraint",
    "fact": "keep 400 days of history"
  },
  {
    "id": "db-choice",
    "kind": "decision",
    "fact": "We chose PostgreSQL for the application."
  },
  {
    "id": "db-first-version",
    "kind": "decision",
    "fact": "we will use MySQL",
    "superseded_by": "db-choice"
  },
  {
    "id": "mysql-replaced",
    "kind": "decision",
    "fact": "It replaces MySQL because we need row-level security."
  },
  {
    "id": "export-limit",
    "kind": "constraint",
    "fact": "Exports must finish within 15 minutes."
  },
  {
    "id": "service-name",
    "kind": "detail",
    "fact": "ledger-export"
  },
  {
    "id": "billing-deadline",
    "kind": "constraint",
    "fact": "02:00 UTC"
  },
  {
    "id": "pool-size",
    "kind": "detail",
    "fact": "from 10 to 20"
  },
  {
    "id": "rls-tables",
    "kind": "decision",
    "fact": "Invoices and exports need row security first."
  }
]