{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://flashyos.com/schemas/ritual-1.schema.json",
  "title": "ritual/1 — a subject's rite calendar: liturgies and the observances performed against them",
  "description": "Structural checks only. The cross-field rules — self-witness, the state ladder, recorded >= at, referential integrity, the forbidden vocabularies — live in checkFragment and are exercised by conformance/corpus.json.",
  "type": "object",
  "required": ["contract", "subject", "generated", "liturgies", "observances"],
  "additionalProperties": false,
  "properties": {
    "contract": { "const": "ritual/1" },
    "subject": { "type": "string", "pattern": "^(org|person)/" },
    "generated": { "type": "string", "format": "date-time" },
    "liturgies": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["id", "title", "cadence", "rite", "published_by", "since"],
        "additionalProperties": false,
        "properties": {
          "id": { "type": "string", "minLength": 1 },
          "title": { "type": "string", "minLength": 1 },
          "cadence": { "enum": ["daily", "weekly", "monthly", "seasonal", "once"] },
          "rite": {
            "type": "array",
            "minItems": 1,
            "items": { "type": "string", "minLength": 1 }
          },
          "published_by": { "type": "string", "pattern": "^person/" },
          "since": { "type": "string", "format": "date-time" }
        }
      }
    },
    "observances": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["id", "liturgy", "performer", "for", "at", "recorded", "evidence", "state"],
        "additionalProperties": false,
        "properties": {
          "id": { "type": "string", "minLength": 1 },
          "liturgy": { "type": "string", "minLength": 1 },
          "performer": { "type": "string", "pattern": "^agent/" },
          "for": { "type": "string", "pattern": "^(org|person)/" },
          "at": { "type": "string", "format": "date-time" },
          "recorded": { "type": "string", "format": "date-time" },
          "evidence": { "type": "string", "pattern": "^https://" },
          "state": { "enum": ["performed", "witnessed", "consecrated", "void"] },
          "witness": {
            "type": "object",
            "required": ["by", "basis", "at"],
            "additionalProperties": false,
            "properties": {
              "by": { "type": "string", "pattern": "^(org|person)/" },
              "basis": { "type": "string", "pattern": "^https://" },
              "at": { "type": "string", "format": "date-time" }
            }
          },
          "consecration": {
            "type": "object",
            "required": ["by", "at"],
            "additionalProperties": false,
            "properties": {
              "by": { "type": "string", "pattern": "^person/" },
              "at": { "type": "string", "format": "date-time" }
            }
          },
          "supersedes": { "type": "string", "minLength": 1 }
        },
        "allOf": [
          {
            "if": { "properties": { "state": { "enum": ["witnessed", "consecrated"] } } },
            "then": { "required": ["witness"] }
          },
          {
            "if": { "properties": { "state": { "const": "consecrated" } } },
            "then": { "required": ["consecration"] }
          },
          {
            "if": { "properties": { "state": { "const": "void" } } },
            "then": { "required": ["supersedes"] }
          }
        ]
      }
    }
  }
}