{
  "lexicon": 1,
  "id": "org.latha.strata",
  "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."
          },
          "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."
          }
        }
      }
    },
    "sourceRef": {
      "type": "object",
      "description": "Reference to the source record that triggered the analysis.",
      "required": ["uri"],
      "properties": {
        "uri": {
          "type": "string",
          "format": "at-uri",
          "description": "AT URI of the source record (Semble card, Bluesky post, etc.)"
        },
        "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": {
        "themes": {
          "type": "array",
          "maxLength": 20,
          "items": {
            "type": "string",
            "maxGraphemes": 100
          },
          "description": "Key themes identified in the source."
        },
        "connections": {
          "type": "array",
          "maxLength": 20,
          "items": {
            "type": "ref",
            "ref": "#connection"
          },
          "description": "Connections to existing knowledge in vault and carry."
        },
        "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."
        }
      }
    },
    "connection": {
      "type": "object",
      "description": "A connection between the source and an existing knowledge item.",
      "required": ["description", "targetUri"],
      "properties": {
        "description": {
          "type": "string",
          "maxGraphemes": 500,
          "description": "Human-readable description of the connection."
        },
        "targetUri": {
          "type": "string",
          "format": "at-uri",
          "description": "AT URI of the connected record."
        },
        "relation": {
          "type": "string",
          "knownValues": [
            "org.latha.strata#supports",
            "org.latha.strata#contradicts",
            "org.latha.strata#extends",
            "org.latha.strata#contextualizes",
            "org.latha.strata#exemplifies"
          ],
          "description": "Type of connection."
        }
      }
    },
    "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.strata.defs#claimRef",
            "org.latha.strata.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."
        }
      }
    },
    "supports": {
      "type": "token",
      "description": "Connection relation: the source supports an existing claim."
    },
    "contradicts": {
      "type": "token",
      "description": "Connection relation: the source contradicts an existing claim."
    },
    "extends": {
      "type": "token",
      "description": "Connection relation: the source extends an existing claim."
    },
    "contextualizes": {
      "type": "token",
      "description": "Connection relation: the source provides context for an existing claim."
    },
    "exemplifies": {
      "type": "token",
      "description": "Connection relation: the source is an example of an existing claim."
    }
  }
}