{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://nova.cloudinit.dev/schemas/contract.schema.json",
  "title": "Nova Consumer Contract",
  "description": "A consumer's declaration of infrastructure intent. Engine-agnostic: no aws_* or Terraform terms.",
  "type": "object",
  "required": ["id", "name", "environment", "infrastructure"],
  "additionalProperties": false,
  "properties": {
    "id": {
      "type": "string",
      "pattern": "^[a-z][a-z0-9-]{2,5}$",
      "description": "Stable operational acronym (3-6 chars). Used in state keys + resource naming."
    },
    "name": {
      "type": "string",
      "minLength": 3,
      "description": "Human-readable contract name."
    },
    "environment": {
      "type": "string",
      "enum": ["dev", "qa", "prod", "dr"],
      "description": "Target environment."
    },
    "infrastructure": {
      "type": "array",
      "minItems": 1,
      "description": "List of modules to deploy. Array (not map) per D-015.",
      "items": {
        "type": "object",
        "required": ["module", "inputs"],
        "additionalProperties": false,
        "properties": {
          "module": {
            "type": "string",
            "pattern": "^[a-z][a-z0-9-]*$",
            "description": "Module name from the registry."
          },
          "version": {
            "type": "string",
            "pattern": "^\\d+\\.\\d+\\.\\d+$",
            "description": "Semver version. Optional — defaults to latest non-deprecated."
          },
          "inputs": {
            "type": "object",
            "description": "Module-specific inputs. No aws_* keys (engine-agnostic)."
          }
        }
      }
    }
  }
}