{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://git.machinemachine.ai/m2/market-registry/schemas/listing.schema.json",
  "title": "Listing",
  "description": "Catalog-facing record for a marketplace listing. Truth lives in m2/market-registry; derived copy indexed into market:catalog.",
  "type": "object",
  "properties": {
    "schema_version": {
      "const": "m2.listing.v1"
    },
    "listing_id": {
      "type": "string",
      "pattern": "^lst_[a-z0-9-]+$"
    },
    "solution_id": {
      "type": "string",
      "pattern": "^sol_[a-z0-9-]+$"
    },
    "solution_version": {
      "type": "string"
    },
    "inventory_type": {
      "type": "string",
      "enum": ["solution", "capability", "resource", "service"]
    },
    "name": {
      "type": "string"
    },
    "summary": {
      "type": "string"
    },
    "category": {
      "type": "string"
    },
    "keywords": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "icon": {
      "type": "string"
    },
    "price": {
      "type": "object",
      "description": "Denormalized from solution at listing time.",
      "properties": {
        "amount": {
          "type": "integer",
          "minimum": 1
        },
        "currency": {
          "const": "m2cr"
        },
        "model": {
          "type": "string"
        }
      },
      "required": ["amount", "currency", "model"],
      "additionalProperties": false
    },
    "seller": {
      "type": "string",
      "description": "operator_id"
    },
    "evidence_summary": {
      "type": "string"
    },
    "tenant_visibility": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "minItems": 1
    },
    "stats": {
      "type": "object",
      "description": "Conversion signals (FR-012), updated by telemetry, start zeroed.",
      "properties": {
        "installs": {
          "type": "integer",
          "minimum": 0,
          "default": 0
        },
        "rating": {
          "type": "number",
          "minimum": 0,
          "maximum": 5
        },
        "proposals_shown": {
          "type": "integer",
          "minimum": 0,
          "default": 0
        },
        "proposals_accepted": {
          "type": "integer",
          "minimum": 0,
          "default": 0
        }
      },
      "required": ["installs", "proposals_shown", "proposals_accepted"],
      "additionalProperties": false
    },
    "status": {
      "type": "string",
      "enum": ["draft", "in_review", "published", "delisted"]
    },
    "install_ref": {
      "type": "string",
      "pattern": "^lst_[a-z0-9-]+-v\\d+\\.\\d+\\.\\d+$"
    }
  },
  "required": [
    "schema_version",
    "listing_id",
    "solution_id",
    "solution_version",
    "inventory_type",
    "name",
    "summary",
    "category",
    "price",
    "seller",
    "tenant_visibility",
    "status",
    "install_ref"
  ],
  "additionalProperties": false
}