{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://paperclip.dev/schemas/prp/v1/usage.schema.json",
  "title": "PRP provider usage receipt",
  "type": "object",
  "required": ["provider", "model", "cumulative", "runDelta"],
  "properties": {
    "provider": { "type": "string", "minLength": 1, "maxLength": 80 },
    "model": { "type": ["string", "null"], "maxLength": 240 },
    "providerSessionId": { "type": ["string", "null"], "maxLength": 240 },
    "providerRequestId": { "type": ["string", "null"], "maxLength": 240 },
    "cumulative": { "$ref": "#/$defs/measurement" },
    "runDeltaAvailable": { "type": "boolean" },
    "runDelta": { "$ref": "#/$defs/measurement" }
  },
  "additionalProperties": false,
  "$defs": {
    "measurement": {
      "type": "object",
      "required": ["inputTokens", "outputTokens", "cacheReadTokens", "cacheWriteTokens", "activeSeconds", "requests", "providerCostUsd"],
      "properties": {
        "inputTokens": { "type": "integer", "minimum": 0 },
        "outputTokens": { "type": "integer", "minimum": 0 },
        "cacheReadTokens": { "type": "integer", "minimum": 0 },
        "cacheWriteTokens": { "type": "integer", "minimum": 0 },
        "activeSeconds": { "type": "number", "minimum": 0 },
        "requests": { "type": "integer", "minimum": 0 },
        "providerCostUsd": { "type": "number", "minimum": 0 }
      },
      "additionalProperties": false
    }
  }
}