{
  "lexicon": 1,
  "id": "org.latha.strata.citation",
  "description": "A research citation with structured metadata and takeaway, tracked in the Strata memory architecture.",
  "defs": {
    "main": {
      "type": "record",
      "description": "A research reference recorded in Strata. Captures the source, a structured takeaway, and confidence level. Can be linked to reasoning records for full provenance.",
      "key": "tid",
      "record": {
        "type": "object",
        "required": ["url", "title", "takeaway", "confidence", "createdAt"],
        "properties": {
          "url": {
            "type": "string",
            "format": "uri",
            "description": "Source URL of the cited work."
          },
          "title": {
            "type": "string",
            "maxGraphemes": 300,
            "description": "Title of the cited work."
          },
          "takeaway": {
            "type": "string",
            "maxGraphemes": 2000,
            "description": "Key insight, summary, or main finding from the cited work."
          },
          "authors": {
            "type": "array",
            "maxLength": 20,
            "items": {
              "type": "string",
              "maxGraphemes": 200
            },
            "description": "Author names."
          },
          "publishedAt": {
            "type": "string",
            "format": "datetime",
            "description": "Publication date of the cited work."
          },
          "confidence": {
            "type": "string",
            "enum": [
              "org.latha.strata.defs#high",
              "org.latha.strata.defs#medium",
              "org.latha.strata.defs#low"
            ],
            "description": "Confidence level in the citation's relevance and accuracy."
          },
          "domain": {
            "type": "string",
            "maxGraphemes": 100,
            "description": "Domain or discipline of the cited work (e.g. 'machine-learning', 'philosophy')."
          },
          "tags": {
            "type": "array",
            "maxLength": 20,
            "items": {
              "type": "string",
              "maxGraphemes": 100
            },
            "description": "Freeform topic tags."
          },
          "createdAt": {
            "type": "string",
            "format": "datetime",
            "description": "When this citation was recorded in Strata."
          }
        }
      }
    }
  }
}