{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://tacitus.me/research/tcgc/schema/tcgc-v0.1.json",
  "title": "TACITUS Conflict Grammar Corpus item — v0.1",
  "description": "Schema for a single TCGC benchmark item. See https://www.tacitus.me/research/tcgc.",
  "type": "object",
  "required": ["id", "task_type", "domain", "inputs", "gold", "rubric"],
  "additionalProperties": false,
  "properties": {
    "id": {
      "type": "string",
      "pattern": "^tcgc-\\d{4}$"
    },
    "task_type": {
      "type": "string",
      "enum": [
        "actor-resolution", "claim-extraction", "interest-extraction",
        "constraint-extraction", "leverage-mapping", "commitment-tracking",
        "event-ordering", "narrative-drift", "causal-chain",
        "contradiction-detection", "provenance-attribution",
        "commitment-claim-mismatch", "position-interest-separation",
        "cross-document-synthesis"
      ]
    },
    "domain": {
      "type": "string",
      "enum": ["workplace","commercial","governance","peace-process","policy","family","diplomatic"]
    },
    "license": { "type": "string" },
    "source": {
      "type": "object",
      "properties": {
        "collection": { "type": "string" },
        "collected_on": { "type": "string", "format": "date" },
        "annotators": { "type": "array", "items": { "type": "string" } },
        "inter_annotator_kappa": { "type": "number", "minimum": -1, "maximum": 1 }
      },
      "additionalProperties": false
    },
    "inputs": {
      "type": "object",
      "required": ["question"],
      "additionalProperties": false,
      "anyOf": [
        { "required": ["messages"] },
        { "required": ["documents"] },
        { "required": ["transcript"] }
      ],
      "properties": {
        "messages": {
          "type": "array",
          "items": {
            "type": "object",
            "required": ["from", "text"],
            "additionalProperties": false,
            "properties": {
              "id": {"type":"string"}, "day":{"type":"integer","minimum":0},
              "time":{"type":"string"}, "date":{"type":"string","format":"date"},
              "from":{"type":"string"}, "to":{"type":"string"}, "text":{"type":"string"}
            }
          }
        },
        "documents": {
          "type": "array",
          "items": {
            "type": "object",
            "required": ["id", "text"],
            "additionalProperties": false,
            "properties": {
              "id":{"type":"string"}, "title":{"type":"string"}, "kind":{"type":"string"},
              "date":{"type":"string","format":"date"}, "author":{"type":"string"}, "text":{"type":"string"}
            }
          }
        },
        "transcript": {
          "type": "array",
          "items": {
            "type": "object",
            "required": ["speaker", "text"],
            "additionalProperties": false,
            "properties": {
              "turn":{"type":"integer","minimum":0}, "speaker":{"type":"string"},
              "time":{"type":"string"}, "text":{"type":"string"}
            }
          }
        },
        "actors": {
          "type": "array",
          "items": {
            "type": "object",
            "required": ["id", "label"],
            "additionalProperties": false,
            "properties": {
              "id":{"type":"string"}, "label":{"type":"string"},
              "aliases":{"type":"array","items":{"type":"string"}}
            }
          }
        },
        "question": { "type": "string" },
        "dates_stripped": { "type": "boolean" }
      }
    },
    "gold": {
      "type": "object",
      "additionalProperties": true,
      "properties": {
        "primitives": {
          "type": "array",
          "items": {
            "type": "object",
            "required": ["id", "type"],
            "additionalProperties": true,
            "properties": {
              "id":{"type":"string"},
              "type":{"type":"string","enum":["actor","claim","interest","constraint","leverage","commitment","event","narrative"]},
              "label":{"type":"string"}, "subject":{"type":"string"}, "deadline":{"type":"string"},
              "status":{"type":"string"}, "materiality":{"type":"string","enum":["material","cosmetic"]},
              "provenance":{"type":["string","array"],"items":{"type":"string"}},
              "attributes":{"type":"object","additionalProperties":true}
            }
          }
        },
        "edges": {
          "type": "array",
          "items": {
            "type": "object",
            "required": ["from", "to", "type", "provenance"],
            "additionalProperties": false,
            "properties": {
              "from":{"type":"string"}, "to":{"type":"string"},
              "type":{"type":"string","enum":[
                "ASSERTED","DENIED","ACKNOWLEDGED","ACKNOWLEDGED_AMBIGUOUSLY",
                "DENIES_SCOPE","COMMITS_TO","REVOKES","BLOCKS","ENABLES",
                "CAUSES","PRECEDES","CONTRADICTS","SUPPORTS","CITES",
                "HOLDS_INTEREST","FRAMES","LEVERAGES","CONSTRAINED_BY"
              ]},
              "provenance":{"type":["string","array"],"items":{"type":"string"}},
              "attributes":{"type":"object","additionalProperties":true}
            }
          }
        },
        "order": { "type": "array", "items": {"type":"string"} },
        "contradictions": {
          "type": "array",
          "items": {
            "type": "object",
            "required": ["claim_a","claim_b","materiality"],
            "additionalProperties": false,
            "properties": {
              "claim_a":{"type":"string"}, "claim_b":{"type":"string"},
              "materiality":{"type":"string","enum":["material","cosmetic"]},
              "rationale":{"type":"string"}
            }
          }
        },
        "commitment_id":{"type":"string"}, "subject":{"type":"string"},
        "deadline":{"type":"string"}, "status":{"type":"string"}
      }
    },
    "rubric": {
      "type": "object",
      "required": ["scoring"],
      "additionalProperties": false,
      "properties": {
        "scoring":{"type":"string","enum":["graph_overlap","provenance_f1","kendall_tau","contradiction_pair_f1","llm_judge_anchored"]},
        "graph_overlap_target":{"type":"number","minimum":0,"maximum":1},
        "provenance_f1_target":{"type":"number","minimum":0,"maximum":1},
        "kendall_tau_target":{"type":"number","minimum":0,"maximum":1},
        "contradiction_pair_f1_target":{"type":"number","minimum":0,"maximum":1},
        "llm_judge_anchored_target":{"type":"number","minimum":0,"maximum":1},
        "node_weight":{"type":"number","minimum":0,"maximum":1,"default":0.4},
        "edge_weight":{"type":"number","minimum":0,"maximum":1,"default":0.6}
      }
    }
  }
}