{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/parcellab/main/json-schema/parcellab-tracking-schema.json",
  "title": "parcelLab Tracking",
  "description": "A carrier tracking attached to a parcelLab order. Aggregates carrier checkpoints into a lifecycle state.",
  "type": "object",
  "required": ["tracking_number", "courier"],
  "properties": {
    "tracking_number": { "type": "string" },
    "courier": { "type": "string", "description": "parcelLab courier code." },
    "status": { "type": "string", "description": "Latest carrier status mapped to parcelLab's status model." },
    "lifecycle": {
      "type": "string",
      "description": "Aggregated lifecycle state derived from precedence rules across checkpoints.",
      "enum": ["pre_dispatch", "in_transit", "out_for_delivery", "delivered", "delivery_failed", "returned", "exception"]
    },
    "delivery_estimate": { "type": "string", "format": "date-time" },
    "checkpoints": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "timestamp": { "type": "string", "format": "date-time" },
          "status": { "type": "string" },
          "status_details": { "type": "string" },
          "location": { "type": "string" },
          "courier": { "type": "string" }
        },
        "required": ["timestamp", "status"]
      }
    }
  },
  "additionalProperties": false
}