{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://goodgo.vn/schemas/events/listing.submitted.schema.json",
  "title": "listing.submitted",
  "description": "Emitted when a Listing is submitted by its owner. Fan-out consumed by AI workers (moderation, AVM, NLP) on the async backbone — see RFC-004 Phase 2 (GOO-174).",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "listingId",
    "ownerId",
    "propertyType",
    "priceVnd",
    "locationRef",
    "descriptionHash",
    "submittedAt"
  ],
  "properties": {
    "listingId": { "type": "string", "minLength": 1 },
    "ownerId": { "type": "string", "minLength": 1 },
    "propertyType": {
      "type": "string",
      "description": "Domain property type enum (e.g. apartment, house, land, commercial, industrial)."
    },
    "priceVnd": {
      "type": "string",
      "pattern": "^[0-9]+$",
      "description": "Asking price in VND as stringified integer — avoids JS number precision loss on large values."
    },
    "locationRef": {
      "type": "object",
      "additionalProperties": false,
      "required": ["districtCode", "wardCode"],
      "properties": {
        "districtCode": { "type": "string", "minLength": 1 },
        "wardCode": { "type": "string", "minLength": 1 },
        "lat": { "type": "number", "minimum": -90, "maximum": 90 },
        "lng": { "type": "number", "minimum": -180, "maximum": 180 }
      }
    },
    "descriptionHash": {
      "type": "string",
      "pattern": "^[0-9a-f]{64}$",
      "description": "SHA-256 of the raw description text — lets AI workers detect duplicates without carrying the full body."
    },
    "submittedAt": { "type": "string", "format": "date-time" }
  }
}