{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://sediment.so/schemas/external-inputs/price-manifest/v1.json",
  "title": "PriceManifest",
  "description": "One immutable model price policy for cost analysis.",
  "type": "object",
  "properties": {
    "version": {
      "const": 1,
      "type": "integer",
      "description": "The supported price-manifest contract version."
    },
    "manifest_id": {
      "type": "string",
      "minLength": 1,
      "description": "The operator-assigned immutable price-policy identifier."
    },
    "prices": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/ModelPrice"
      },
      "minItems": 1,
      "description": "The model price entries in this policy."
    }
  },
  "additionalProperties": false,
  "required": [
    "version",
    "manifest_id",
    "prices"
  ],
  "$defs": {
    "ModelPrice": {
      "type": "object",
      "properties": {
        "model_provider": {
          "type": "string",
          "minLength": 1,
          "description": "The explicitly declared model provider."
        },
        "model": {
          "type": "string",
          "minLength": 1,
          "description": "The provider-specific model identifier."
        },
        "currency": {
          "type": "string",
          "pattern": "^[A-Z]{3}$",
          "description": "The uppercase three-letter currency code for both prices."
        },
        "effective_from": {
          "anyOf": [
            {
              "type": "string",
              "format": "date-time"
            },
            {
              "type": "null"
            }
          ],
          "description": "The inclusive start of this price interval, or null when unbounded."
        },
        "effective_until": {
          "anyOf": [
            {
              "type": "string",
              "format": "date-time"
            },
            {
              "type": "null"
            }
          ],
          "description": "The exclusive end of this price interval, or null when unbounded."
        },
        "input_per_million_tokens": {
          "type": "string",
          "format": "decimal",
          "pattern": "^(?:-0(?:\\.0+)?|0(?:\\.\\d+)?|[1-9]\\d*(?:\\.\\d+)?)$",
          "description": "The exact input price per million tokens, serialized as a decimal string."
        },
        "output_per_million_tokens": {
          "type": "string",
          "format": "decimal",
          "pattern": "^(?:-0(?:\\.0+)?|0(?:\\.\\d+)?|[1-9]\\d*(?:\\.\\d+)?)$",
          "description": "The exact output price per million tokens, serialized as a decimal string."
        }
      },
      "additionalProperties": false,
      "required": [
        "model_provider",
        "model",
        "currency",
        "effective_from",
        "effective_until",
        "input_per_million_tokens",
        "output_per_million_tokens"
      ]
    }
  }
}