{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "kb://schemas/component.schema.json",
  "title": "Mechanical component knowledge entry",
  "type": "object",
  "required": ["schema_version", "id", "version", "kind", "parameters", "ports", "capability_refs", "maturity"],
  "properties": {
    "schema_version": {"const": "1.0"},
    "id": {"type": "string", "pattern": "^component\\."},
    "version": {"type": "string"},
    "kind": {"type": "string"},
    "virtual": {"type": "boolean", "default": false},
    "roles": {"type": "array", "items": {"type": "string"}, "uniqueItems": true},
    "parameters": {"type": "object"},
    "ports": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["id", "type"],
        "properties": {
          "id": {"type": "string"},
          "type": {"type": "string"},
          "multiplicity": {"type": "string", "enum": ["one", "many"]}
        },
        "additionalProperties": false
      }
    },
    "capability_refs": {"type": "array", "items": {"type": "string"}, "uniqueItems": true},
    "applicability": {"type": "object"},
    "maturity": {"type": "string"}
  },
  "additionalProperties": false
}