{
  "lexicon": 1,
  "id": "org.latha.strata.entity",
  "description": "A tracked entity — person, organization, concept, or tool — managed across Strata memory layers.",
  "defs": {
    "main": {
      "type": "record",
      "description": "An entity tracked across the Strata three-layer memory architecture. Links the AT Protocol record to carry (structured claims) and vault (prose notes).",
      "key": "tid",
      "record": {
        "type": "object",
        "required": ["name", "entityType", "createdAt"],
        "properties": {
          "name": {
            "type": "string",
            "maxGraphemes": 200,
            "description": "Display name of the entity."
          },
          "entityType": {
            "type": "string",
            "enum": [
              "org.latha.strata.defs#person",
              "org.latha.strata.defs#org",
              "org.latha.strata.defs#concept",
              "org.latha.strata.defs#tool"
            ],
            "description": "Category of the entity."
          },
          "description": {
            "type": "string",
            "maxGraphemes": 1000,
            "description": "Short description of the entity."
          },
          "aliases": {
            "type": "array",
            "maxLength": 10,
            "items": {
              "type": "string",
              "maxGraphemes": 200
            },
            "description": "Alternative names or handles for the entity."
          },
          "vaultPath": {
            "type": "string",
            "maxGraphemes": 500,
            "description": "Relative path to the corresponding note in the Obsidian vault (e.g. 'people/Alice Smith.md')."
          },
          "carryDid": {
            "type": "string",
            "format": "did",
            "description": "DID of the corresponding carry entity, linking this record to the structured claims layer."
          },
          "homepage": {
            "type": "string",
            "format": "uri",
            "description": "Primary URL for the entity (personal site, org page, etc.)."
          },
          "tags": {
            "type": "array",
            "maxLength": 20,
            "items": {
              "type": "string",
              "maxGraphemes": 100
            },
            "description": "Freeform tags describing the entity."
          },
          "createdAt": {
            "type": "string",
            "format": "datetime",
            "description": "When this entity was first tracked in Strata."
          }
        }
      }
    }
  }
}