{
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "$id": "https://tantrafiles.xyz/schema/topic.json",
 "title": "Topic",
 "description": "A question people bring, seen across traditions. Hierarchical (root/leaf), with sub-questions. Keywords and transcript matching are INTERNAL build inputs and are not part of the public record. schema.org: DefinedTerm (+ CollectionPage for the hub).",
 "type": "object",
 "properties": {
  "type": {
   "const": "topic"
  },
  "id": {
   "$ref": "common.json#/$defs/topicPath"
  },
  "label": {
   "type": "string"
  },
  "parent": {
   "oneOf": [
    {
     "$ref": "common.json#/$defs/topicPath"
    },
    {
     "type": "null"
    }
   ]
  },
  "children": {
   "type": "array",
   "items": {
    "$ref": "common.json#/$defs/topicPath"
   }
  },
  "intro": {
   "type": "string",
   "maxLength": 900
  },
  "questions": {
   "type": "array",
   "items": {
    "type": "object",
    "required": [
     "id",
     "label"
    ],
    "properties": {
     "id": {
      "$ref": "common.json#/$defs/slug"
     },
     "label": {
      "type": "string"
     },
     "blurb": {
      "type": "string",
      "maxLength": 300
     },
     "order": {
      "type": "integer"
     }
    }
   }
  },
  "related": {
   "type": "array",
   "items": {
    "$ref": "common.json#/$defs/topicPath"
   }
  },
  "terms": {
   "type": "array",
   "items": {
    "type": "object",
    "properties": {
     "term": {
      "type": "string"
     },
     "lang": {
      "type": "string"
     },
     "tradition": {
      "$ref": "common.json#/$defs/slug"
     }
    }
   },
   "description": "Source-language terms: punabbhava, saṃsāra, gilgul."
  },
  "takes": {
   "type": "object",
   "additionalProperties": {
    "type": "string",
    "maxLength": 200
   },
   "description": "tradition id -> Wiser's one-line take (never a quote)."
  },
  "atlas": {
   "type": "string",
   "description": "Atlas concept node id, e.g. c-rebirth."
  },
  "state": {
   "type": "string",
   "enum": [
    "seed",
    "proposed",
    "growing",
    "published",
    "merged",
    "retired"
   ]
  },
  "mergedInto": {
   "$ref": "common.json#/$defs/topicPath"
  },
  "depth": {
   "type": "object",
   "description": "Computed.",
   "properties": {
    "clips": {
     "type": "integer"
    },
    "traditions": {
     "type": "integer"
    },
    "teachers": {
     "type": "integer"
    },
    "practices": {
     "type": "integer"
    },
    "texts": {
     "type": "integer"
    },
    "places": {
     "type": "integer"
    }
   }
  },
  "meta": {
   "$ref": "common.json#/$defs/meta"
  }
 },
 "required": [
  "id",
  "type",
  "label"
 ],
 "additionalProperties": true
}