{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://designlasagna.recipes/schemas/v0.4/lifecycle.json",
  "title": "Lifecycle Fragments (v0.4)",
  "description": "Definitions-only lifecycle fragment for the v0.4 lifecycle contract (RFC 0002). Consumers select the fragments they need via $ref from this file; this document is not a validator for any full manifest format.",
  "definitions": {
    "Status": {
      "type": "string",
      "description": "Lifecycle status. Only 'deprecated' and 'removed' are normative; any other value is informational."
    },
    "Deprecated": {
      "type": "object",
      "required": ["message"],
      "description": "Canonical deprecation record for native manifest entities. Permissive on unknown properties.",
      "properties": {
        "message": {
          "type": "string",
          "minLength": 1,
          "description": "Human-readable reason plus migration guidance. Never parsed for lifecycle meaning."
        },
        "removal": {
          "type": "string",
          "description": "Removal target: ISO date YYYY-MM-DD, semver X.Y.Z, or quarter YYYY-Qn. Only ISO dates drive time-aware severity."
        },
        "replacement": {
          "type": "string",
          "description": "Machine-readable replacement identifier, scoped by entity type."
        }
      }
    },
    "StrictDeprecated": {
      "type": "object",
      "required": ["message"],
      "additionalProperties": false,
      "description": "Closed deprecation record for the DTCG extension namespace.",
      "properties": {
        "message": {
          "type": "string",
          "minLength": 1,
          "description": "Human-readable reason plus migration guidance. Never parsed for lifecycle meaning."
        },
        "removal": {
          "type": "string",
          "description": "Removal target: ISO date YYYY-MM-DD, semver X.Y.Z, or quarter YYYY-Qn. Only ISO dates drive time-aware severity."
        },
        "replacement": {
          "type": "string",
          "description": "Machine-readable replacement identifier, scoped by entity type."
        }
      }
    },
    "NativeDeprecation": {
      "oneOf": [
        {
          "type": "boolean",
          "const": false,
          "description": "Explicit 'not deprecated' assertion in a native manifest. DTCG source cancellation uses the standard `$deprecated: false` field, not an extension value."
        },
        {
          "type": "null",
          "description": "Not asserted; no lifecycle claim."
        },
        {
          "$ref": "#/definitions/Deprecated"
        }
      ]
    },
    "DeprecatedValue": {
      "type": "object",
      "required": ["value", "message"],
      "description": "Deprecation record for a specific attribute value (CEM). Permissive on unknown properties.",
      "properties": {
        "value": {
          "type": "string",
          "description": "The deprecated value."
        },
        "message": {
          "type": "string",
          "minLength": 1,
          "description": "Human-readable reason plus migration guidance. Never parsed for lifecycle meaning."
        },
        "removal": {
          "type": "string",
          "description": "Removal target: ISO date YYYY-MM-DD, semver X.Y.Z, or quarter YYYY-Qn. Only ISO dates drive time-aware severity."
        },
        "replacement": {
          "type": "string",
          "description": "Machine-readable replacement identifier; for CEM attribute values, an enum value of the same attribute."
        }
      }
    }
  }
}