{
  "schema_version": "0.1",
  "message_id": "msg-heartwood-intro-simone-colleen",
  "type": "intro",
  "sender": {
    "identity": "simone@mail.example",
    "display_name": "Simone Laurent",
    "verification_level": "oauth",
    "profile_url": "https://simonelaurent.example"
  },
  "recipient": {
    "identity": "colleen@mail.example",
    "profile_url": "https://colleen-sampson.notion.example"
  },
  "via_pool": {
    "url": "https://heartwood.example/pools/heartwood-nearby.json",
    "id": "heartwood-nearby",
    "name": "Heartwood: Nearby"
  },
  "sent_at": "2026-09-28T09:20:00Z",
  "subject": "Oysters, and a bench",
  "body": {
    "content_type": "text/plain",
    "content": "Hi Colleen,\n\nYou said yes to my prompt about benches, and I said yes to your first date. Low tide sounds right. I own boots.\n\nSimone"
  },
  "transport": {
    "type": "email",
    "message_headers": {
      "X-Kindling-Client": "Heartwood"
    }
  }
}