{
  "lexicon": 1,
  "id": "org.latha.island",
  "description": "A structured synthesis of an external source, cross-referenced with local knowledge (carry + vault). The stigmergic signal — a pheromone trail others can discover and build on.",
  "defs": {
    "main": {
      "type": "record",
      "description": "A Strata synthesis record. Produced when a user runs Strata analysis on a Semble card (or any AT Protocol record). Cross-references the source with the user's vault and carry data, producing themes, connections, tensions, and a prose synthesis.",
      "key": "tid",
      "record": {
        "type": "object",
        "required": ["source", "analysis", "createdAt"],
        "properties": {
          "source": {
            "type": "ref",
            "ref": "#sourceRef",
            "description": "The source record that triggered this analysis. For islands, this is the lexmin vertex."
          },
          "connections": {
            "type": "array",
            "maxLength": 500,
            "items": {
              "type": "ref",
              "ref": "#edge"
            },
            "description": "The island's edges — connection records with their graph structure embedded. No lookups needed to render."
          },
          "analysis": {
            "type": "ref",
            "ref": "#structuredAnalysis",
            "description": "The structured analysis output."
          },
          "carryRefs": {
            "type": "array",
            "maxLength": 20,
            "items": {
              "type": "ref",
              "ref": "#carryCrossRef"
            },
            "description": "Carry entities cross-referenced in this analysis. Carry stays local-first — only summaries are included unless explicitly published as companion records."
          },
          "createdAt": {
            "type": "string",
            "format": "datetime",
            "description": "When this synthesis was created."
          },
          "updatedAt": {
            "type": "string",
            "format": "datetime",
            "description": "When this synthesis was last updated."
          }
        }
      }
    },
    "edge": {
      "type": "object",
      "description": "A reference to a connection record within the island. The AT URI is the source of truth — all edge data lives in the network.cosmik.connection record.",
      "required": ["uri"],
      "properties": {
        "uri": {
          "type": "string",
          "format": "at-uri",
          "description": "AT URI of the network.cosmik.connection record"
        }
      }
    },
    "sourceRef": {
      "type": "object",
      "description": "Reference to the source record that triggered the analysis.",
      "required": ["uri"],
      "properties": {
        "uri": {
          "type": "string",
          "description": "URI of the source. For island-level analysis, this is the lexmin vertex (canonical component reference) — can be an HTTP URL or AT URI."
        },
        "cid": {
          "type": "string",
          "description": "CID of the source record at time of analysis."
        },
        "collection": {
          "type": "string",
          "description": "NSID of the source collection (e.g. network.cosmik.card)."
        }
      }
    },
    "structuredAnalysis": {
      "type": "object",
      "description": "The structured output of a Strata analysis run.",
      "required": ["themes"],
      "properties": {
        "title": {
          "type": "string",
          "maxGraphemes": 300,
          "description": "A concise sentence capturing the core argument or narrative arc of this analysis."
        },
        "themes": {
          "type": "array",
          "maxLength": 20,
          "items": {
            "type": "string",
            "maxGraphemes": 100
          },
          "description": "Key themes identified in the source."
        },
        "highlights": {
          "type": "array",
          "maxLength": 20,
          "items": {
            "type": "string",
            "format": "at-uri"
          },
          "description": "AT URIs of network.cosmik.connection records flagged as semantically significant by the analysis. Hot edges."
        },
        "tensions": {
          "type": "array",
          "maxLength": 10,
          "items": {
            "type": "string",
            "maxGraphemes": 500
          },
          "description": "Tensions or contradictions with existing claims."
        },
        "openQuestions": {
          "type": "array",
          "maxLength": 10,
          "items": {
            "type": "string",
            "maxGraphemes": 500
          },
          "description": "Questions raised by the analysis."
        },
        "synthesis": {
          "type": "string",
          "maxGraphemes": 2000,
          "maxLength": 20000,
          "description": "Prose synthesis connecting the source to existing knowledge."
        }
      }
    },
    "carryCrossRef": {
      "type": "object",
      "description": "Cross-reference to a carry entity, translated to AT Protocol addressable format.",
      "required": ["entityType", "atUri"],
      "properties": {
        "entityType": {
          "type": "string",
          "knownValues": [
            "org.latha.island.defs#claimRef",
            "org.latha.island.defs#sourceRef"
          ],
          "description": "Type of carry entity."
        },
        "carryId": {
          "type": "string",
          "description": "Original carry entity ID for local correlation."
        },
        "atUri": {
          "type": "string",
          "format": "at-uri",
          "description": "AT Protocol URI for this carry entity (if published as companion record)."
        },
        "summary": {
          "type": "string",
          "maxGraphemes": 500,
          "description": "Summary of the carry entity."
        }
      }
    }
  }
}