{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://how-everything-evolved.invalid/schemas/note.schema.json",
  "title": "Evidence note",
  "type": "object",
  "required": ["kind", "text"],
  "properties": {
    "kind": { "enum": ["method", "limitation", "disagreement", "interpolation", "provenance"] },
    "text": { "type": "string", "minLength": 1 },
    "source_keys": { "type": "array", "items": { "type": "string", "minLength": 1 } }
  },
  "additionalProperties": false
}