{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://th-hotel.local/schemas/booking-decision-input-v2.schema.json",
  "title": "BookingDecisionInputV2",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "contract_meta",
    "input_hash",
    "message_material",
    "layer3_result",
    "decision_context",
    "rooming_list_resolutions",
    "evidence_registry",
    "evidence_refs"
  ],
  "properties": {
    "contract_meta": { "$ref": "#/$defs/contractMeta" },
    "input_hash": { "$ref": "#/$defs/sha256" },
    "message_material": { "$ref": "#/$defs/messageMaterial" },
    "layer3_result": { "$ref": "#/$defs/layer3Result" },
    "decision_context": { "$ref": "#/$defs/decisionContext" },
    "rooming_list_resolutions": {
      "type": "array",
      "items": { "$ref": "#/$defs/roomingListResolutionV2" }
    },
    "evidence_registry": {
      "type": "array",
      "items": { "$ref": "#/$defs/evidenceRef" }
    },
    "evidence_refs": { "$ref": "#/$defs/evidenceIdList" }
  },
  "$defs": {
    "nonBlank": { "type": "string", "minLength": 1 },
    "nullableNonBlank": { "type": ["string", "null"], "minLength": 1 },
    "sha256": { "type": "string", "pattern": "^[a-f0-9]{64}$" },
    "contractMeta": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "contract_version",
        "catalog_version",
        "parser_version",
        "agent_profile_version",
        "processing_run_id",
        "source_message_id",
        "source_revision"
      ],
      "properties": {
        "contract_version": { "const": "booking-contracts-v2" },
        "catalog_version": { "$ref": "#/$defs/nonBlank" },
        "parser_version": { "$ref": "#/$defs/nonBlank" },
        "agent_profile_version": { "$ref": "#/$defs/nonBlank" },
        "processing_run_id": { "$ref": "#/$defs/nonBlank" },
        "source_message_id": { "$ref": "#/$defs/nonBlank" },
        "source_revision": { "type": "integer", "minimum": 0 }
      }
    },
    "evidenceIdList": {
      "type": "array",
      "items": { "$ref": "#/$defs/nonBlank" },
      "uniqueItems": true
    },
    "evidenceRef": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "evidence_id",
        "kind",
        "source_message_id",
        "locator",
        "content_hash",
        "is_current_material"
      ],
      "properties": {
        "evidence_id": { "$ref": "#/$defs/nonBlank" },
        "kind": {
          "enum": [
            "CURRENT_SUBJECT",
            "CURRENT_BODY",
            "QUOTED_HISTORY",
            "ATTACHMENT",
            "WORKBOOK_SHEET",
            "WORKBOOK_ROW",
            "IMAGE",
            "OCR_TEXT",
            "CONTEXT_RECORD",
            "USER_CORRECTION"
          ]
        },
        "source_message_id": { "$ref": "#/$defs/nonBlank" },
        "locator": { "$ref": "#/$defs/nonBlank" },
        "content_hash": { "$ref": "#/$defs/sha256" },
        "is_current_material": { "type": "boolean" }
      }
    },
    "messageMaterial": {
      "type": "object",
      "additionalProperties": false,
      "required": ["current", "history", "attachments"],
      "properties": {
        "current": { "$ref": "#/$defs/currentMessage" },
        "history": {
          "type": "array",
          "items": { "$ref": "#/$defs/historyMessage" }
        },
        "attachments": {
          "type": "array",
          "items": { "$ref": "#/$defs/attachmentMaterial" }
        }
      }
    },
    "currentMessage": {
      "type": "object",
      "additionalProperties": false,
      "required": ["message_id", "subject", "body_text", "subject_evidence_ref", "body_evidence_ref"],
      "properties": {
        "message_id": { "$ref": "#/$defs/nonBlank" },
        "subject": { "type": "string" },
        "body_text": { "type": "string" },
        "subject_evidence_ref": { "$ref": "#/$defs/nonBlank" },
        "body_evidence_ref": { "$ref": "#/$defs/nonBlank" }
      }
    },
    "historyMessage": {
      "type": "object",
      "additionalProperties": false,
      "required": ["sequence", "message_id", "body_text", "body_is_complete", "body_evidence_ref"],
      "properties": {
        "sequence": { "type": "integer", "minimum": 0 },
        "message_id": { "$ref": "#/$defs/nonBlank" },
        "body_text": { "type": "string" },
        "body_is_complete": { "const": true },
        "body_evidence_ref": { "$ref": "#/$defs/nonBlank" }
      }
    },
    "attachmentMaterial": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "attachment_id",
        "file_name",
        "media_type",
        "size_bytes",
        "content_hash",
        "material_observations",
        "evidence_refs"
      ],
      "properties": {
        "attachment_id": { "$ref": "#/$defs/nonBlank" },
        "file_name": { "type": "string" },
        "media_type": { "$ref": "#/$defs/nonBlank" },
        "size_bytes": { "type": "integer", "minimum": 0 },
        "content_hash": { "$ref": "#/$defs/sha256" },
        "material_observations": {
          "type": "array",
          "items": { "$ref": "#/$defs/materialObservation" }
        },
        "evidence_refs": { "$ref": "#/$defs/evidenceIdList" }
      }
    },
    "layer3Result": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "parse_status",
        "source_facts",
        "structured_mentions",
        "target_bindings",
        "neutral_relationships",
        "material_observations",
        "display_information",
        "material_dispositions",
        "parse_issues",
        "evidence_refs"
      ],
      "properties": {
        "parse_status": { "enum": ["READY", "PARTIAL", "FAILED", "NOT_APPLICABLE"] },
        "source_facts": {
          "type": "array",
          "items": { "$ref": "#/$defs/sourceFact" }
        },
        "structured_mentions": {
          "type": "array",
          "items": { "$ref": "#/$defs/structuredMention" }
        },
        "target_bindings": {
          "type": "array",
          "items": { "$ref": "#/$defs/targetBinding" }
        },
        "neutral_relationships": {
          "type": "array",
          "items": { "$ref": "#/$defs/neutralRelationship" }
        },
        "material_observations": {
          "type": "array",
          "items": { "$ref": "#/$defs/materialObservation" }
        },
        "display_information": {
          "type": "array",
          "items": { "$ref": "#/$defs/displayInformation" }
        },
        "material_dispositions": {
          "type": "array",
          "items": { "$ref": "#/$defs/materialDisposition" }
        },
        "parse_issues": {
          "type": "array",
          "items": { "$ref": "#/$defs/contractIssue" }
        },
        "evidence_refs": { "$ref": "#/$defs/evidenceIdList" }
      }
    },
    "jsonScalar": { "type": ["string", "number", "integer", "boolean", "null"] },
    "sourceFact": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "fact_id",
        "fact_role",
        "target_ref",
        "source_unit_ref",
        "room_item_ref",
        "source_value",
        "normalized_source_value",
        "evidence_refs"
      ],
      "properties": {
        "fact_id": { "$ref": "#/$defs/nonBlank" },
        "fact_role": { "$ref": "#/$defs/nonBlank" },
        "target_ref": { "$ref": "#/$defs/nullableNonBlank" },
        "source_unit_ref": { "$ref": "#/$defs/nullableNonBlank" },
        "room_item_ref": { "$ref": "#/$defs/nullableNonBlank" },
        "source_value": { "$ref": "#/$defs/jsonScalar" },
        "normalized_source_value": { "$ref": "#/$defs/jsonScalar" },
        "evidence_refs": { "$ref": "#/$defs/evidenceIdList" }
      }
    },
    "neutralParameters": {
      "type": "object",
      "propertyNames": {
        "not": {
          "enum": [
            "business_type",
            "action_kind",
            "booking_type",
            "task_card",
            "candidate_decision",
            "linked_action",
            "derived_action"
          ]
        }
      },
      "additionalProperties": { "$ref": "#/$defs/jsonScalar" }
    },
    "structuredMention": {
      "type": "object",
      "additionalProperties": false,
      "required": ["mention_id", "semantic_code", "scope", "target_ref", "parameters", "evidence_refs"],
      "properties": {
        "mention_id": { "$ref": "#/$defs/nonBlank" },
        "semantic_code": { "$ref": "#/$defs/nonBlank" },
        "scope": { "enum": ["MESSAGE", "TARGET", "MATERIAL"] },
        "target_ref": { "$ref": "#/$defs/nullableNonBlank" },
        "parameters": { "$ref": "#/$defs/neutralParameters" },
        "evidence_refs": { "$ref": "#/$defs/evidenceIdList" }
      }
    },
    "targetBinding": {
      "type": "object",
      "additionalProperties": false,
      "required": ["binding_id", "material_ref", "target_ref", "binding_status", "evidence_refs"],
      "properties": {
        "binding_id": { "$ref": "#/$defs/nonBlank" },
        "material_ref": { "$ref": "#/$defs/nonBlank" },
        "target_ref": { "$ref": "#/$defs/nullableNonBlank" },
        "binding_status": { "enum": ["BOUND", "UNRESOLVED", "AMBIGUOUS", "CONFLICT"] },
        "evidence_refs": { "$ref": "#/$defs/evidenceIdList" }
      }
    },
    "neutralRelationship": {
      "type": "object",
      "additionalProperties": false,
      "required": ["relationship_id", "relationship_type", "from_target_ref", "to_target_ref", "evidence_refs"],
      "properties": {
        "relationship_id": { "$ref": "#/$defs/nonBlank" },
        "relationship_type": {
          "enum": ["ALLOTMENT_SOURCE_TO_ACTUAL", "GROUP_CODE_REPLACEMENT", "SOURCE_TO_TARGET", "OTHER_NEUTRAL"]
        },
        "from_target_ref": { "$ref": "#/$defs/nonBlank" },
        "to_target_ref": { "$ref": "#/$defs/nonBlank" },
        "evidence_refs": { "$ref": "#/$defs/evidenceIdList" }
      }
    },
    "materialObservation": {
      "type": "object",
      "additionalProperties": false,
      "required": ["observation_id", "material_ref", "observation_kind", "target_ref", "attributes", "evidence_refs"],
      "properties": {
        "observation_id": { "$ref": "#/$defs/nonBlank" },
        "material_ref": { "$ref": "#/$defs/nonBlank" },
        "observation_kind": {
          "enum": [
            "POSSIBLE_GUEST_LIST_SPREADSHEET",
            "IMAGE_ATTACHMENT",
            "PAYMENT_RELATED_TEXT",
            "RAW_ATTACHMENT",
            "WORKBOOK_STRUCTURE",
            "OTHER_NEUTRAL"
          ]
        },
        "target_ref": { "$ref": "#/$defs/nullableNonBlank" },
        "attributes": { "$ref": "#/$defs/neutralParameters" },
        "evidence_refs": { "$ref": "#/$defs/evidenceIdList" }
      }
    },
    "displayInformation": {
      "type": "object",
      "additionalProperties": false,
      "required": ["display_id", "scope", "target_ref", "source_label", "sequence", "evidence_refs"],
      "properties": {
        "display_id": { "$ref": "#/$defs/nonBlank" },
        "scope": { "enum": ["MESSAGE", "TARGET"] },
        "target_ref": { "$ref": "#/$defs/nullableNonBlank" },
        "source_label": { "$ref": "#/$defs/nonBlank" },
        "sequence": { "type": "integer", "minimum": 0 },
        "evidence_refs": { "$ref": "#/$defs/evidenceIdList" }
      }
    },
    "materialDisposition": {
      "type": "object",
      "additionalProperties": false,
      "required": ["material_ref", "disposition", "evidence_refs"],
      "properties": {
        "material_ref": { "$ref": "#/$defs/nonBlank" },
        "disposition": { "enum": ["FACT", "MENTION", "DISPLAY", "REVIEW", "IGNORED_AS_TEMPLATE"] },
        "evidence_refs": { "$ref": "#/$defs/evidenceIdList" }
      }
    },
    "decisionContext": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "context_scope",
        "target_candidates",
        "catalog_resolutions",
        "order_contexts",
        "direction_context",
        "issues",
        "evidence_refs"
      ],
      "properties": {
        "context_scope": { "enum": ["MESSAGE", "TARGETS"] },
        "target_candidates": {
          "type": "array",
          "items": { "$ref": "#/$defs/targetCandidate" }
        },
        "catalog_resolutions": {
          "type": "array",
          "items": { "$ref": "#/$defs/catalogResolution" }
        },
        "order_contexts": {
          "type": "array",
          "items": { "$ref": "#/$defs/orderContextV2" }
        },
        "direction_context": { "$ref": "#/$defs/directionContext" },
        "issues": {
          "type": "array",
          "items": { "$ref": "#/$defs/contractIssue" }
        },
        "evidence_refs": { "$ref": "#/$defs/evidenceIdList" }
      }
    },
    "targetCandidate": {
      "type": "object",
      "additionalProperties": false,
      "required": ["target_ref", "resolution_status", "group_code", "order_candidate_ids", "evidence_refs"],
      "properties": {
        "target_ref": { "$ref": "#/$defs/nonBlank" },
        "resolution_status": { "enum": ["RESOLVED", "UNRESOLVED", "AMBIGUOUS", "CONFLICT"] },
        "group_code": { "$ref": "#/$defs/nullableNonBlank" },
        "order_candidate_ids": { "type": "array", "items": { "$ref": "#/$defs/nonBlank" }, "uniqueItems": true },
        "evidence_refs": { "$ref": "#/$defs/evidenceIdList" }
      }
    },
    "catalogResolution": {
      "type": "object",
      "additionalProperties": false,
      "required": ["resolution_id", "target_ref", "resolution_kind", "catalog_scope", "status", "candidate_codes", "evidence_refs"],
      "properties": {
        "resolution_id": { "$ref": "#/$defs/nonBlank" },
        "target_ref": { "$ref": "#/$defs/nonBlank" },
        "resolution_kind": { "enum": ["ROOM_TYPE", "RATE_CODE", "ACCOUNT", "MARKET", "SOURCE"] },
        "catalog_scope": { "enum": ["FIT", "GROUP", "NOT_APPLICABLE"] },
        "status": { "enum": ["ZERO_CANDIDATES", "ONE_CANDIDATE", "MULTIPLE_CANDIDATES", "NOT_APPLICABLE"] },
        "candidate_codes": { "type": "array", "items": { "$ref": "#/$defs/nonBlank" }, "uniqueItems": true },
        "evidence_refs": { "$ref": "#/$defs/evidenceIdList" }
      }
    },
    "layer4ResolutionStatus": {
      "enum": [
        "RESOLVED",
        "UNRESOLVED",
        "NOT_APPLICABLE"
      ]
    },
    "roomtypeResolutionV2": {
      "type": "object",
      "additionalProperties": false,
      "required": ["value", "candidates", "status", "reason_code", "evidence_refs"],
      "properties": {
        "value": { "$ref": "#/$defs/nullableNonBlank" },
        "candidates": {
          "type": "array",
          "items": { "$ref": "#/$defs/nonBlank" },
          "uniqueItems": true
        },
        "status": { "$ref": "#/$defs/layer4ResolutionStatus" },
        "reason_code": { "$ref": "#/$defs/nonBlank" },
        "evidence_refs": { "$ref": "#/$defs/evidenceIdList" }
      },
      "allOf": [
        {
          "if": { "properties": { "status": { "const": "RESOLVED" } } },
          "then": {
            "properties": {
              "value": { "$ref": "#/$defs/nonBlank" },
              "candidates": { "minItems": 1, "maxItems": 1 }
            }
          },
          "else": { "properties": { "value": { "type": "null" } } }
        }
      ]
    },
    "rateRuleSetResolutionV2": {
      "type": "object",
      "additionalProperties": false,
      "required": ["value", "status", "reason_code", "evidence_refs"],
      "properties": {
        "value": { "type": ["string", "null"], "enum": ["FIT", "GROUP", "GROUP_AND_FIT", null] },
        "status": { "$ref": "#/$defs/layer4ResolutionStatus" },
        "reason_code": { "$ref": "#/$defs/nonBlank" },
        "evidence_refs": { "$ref": "#/$defs/evidenceIdList" }
      },
      "allOf": [
        {
          "if": { "properties": { "status": { "const": "RESOLVED" } } },
          "then": { "properties": { "value": { "enum": ["FIT", "GROUP", "GROUP_AND_FIT"] } } },
          "else": { "properties": { "value": { "type": "null" } } }
        }
      ]
    },
    "ratePackageV2": {
      "type": "object",
      "additionalProperties": false,
      "required": ["rate_code", "breakfast_included", "breakfast_restaurant_code"],
      "properties": {
        "rate_code": { "$ref": "#/$defs/nonBlank" },
        "breakfast_included": { "type": "boolean" },
        "breakfast_restaurant_code": {
          "type": ["string", "null"],
          "enum": ["LEELA", "BUALUANG", null]
        }
      },
      "oneOf": [
        {
          "properties": {
            "breakfast_included": { "const": false },
            "breakfast_restaurant_code": { "type": "null" }
          }
        },
        {
          "properties": {
            "breakfast_included": { "const": true },
            "breakfast_restaurant_code": { "enum": ["LEELA", "BUALUANG"] }
          }
        }
      ]
    },
    "ratePackageResolutionV2": {
      "type": "object",
      "additionalProperties": false,
      "required": ["value", "candidates", "status", "reason_code", "evidence_refs"],
      "properties": {
        "value": { "anyOf": [{ "$ref": "#/$defs/ratePackageV2" }, { "type": "null" }] },
        "candidates": {
          "type": "array",
          "items": { "$ref": "#/$defs/ratePackageV2" },
          "uniqueItems": true
        },
        "status": { "$ref": "#/$defs/layer4ResolutionStatus" },
        "reason_code": { "$ref": "#/$defs/nonBlank" },
        "evidence_refs": { "$ref": "#/$defs/evidenceIdList" }
      },
      "allOf": [
        {
          "if": { "properties": { "status": { "const": "RESOLVED" } } },
          "then": {
            "properties": {
              "value": { "$ref": "#/$defs/ratePackageV2" },
              "candidates": { "minItems": 1, "maxItems": 1 }
            }
          },
          "else": { "properties": { "value": { "type": "null" } } }
        }
      ]
    },
    "sourceRoomRateResolutionV2": {
      "type": "object",
      "additionalProperties": false,
      "required": ["room_item_ref", "resolution"],
      "properties": {
        "room_item_ref": { "$ref": "#/$defs/nonBlank" },
        "resolution": { "$ref": "#/$defs/ratePackageResolutionV2" }
      }
    },
    "rateOptionV2": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "applicable_booking_types",
        "directory_company",
        "directory_rule_set",
        "source_room_rate_resolutions",
        "rate_package",
        "evidence_refs"
      ],
      "properties": {
        "applicable_booking_types": {
          "type": "array",
          "items": { "enum": ["FIT", "GROUP"] },
          "minItems": 1,
          "maxItems": 2,
          "uniqueItems": true
        },
        "directory_company": { "$ref": "#/$defs/nonBlank" },
        "directory_rule_set": { "enum": ["FIT", "GROUP", "GROUP_AND_FIT"] },
        "source_room_rate_resolutions": {
          "type": "array",
          "items": { "$ref": "#/$defs/sourceRoomRateResolutionV2" }
        },
        "rate_package": { "$ref": "#/$defs/ratePackageResolutionV2" },
        "evidence_refs": { "$ref": "#/$defs/evidenceIdList" }
      }
    },
    "sourceRoomContextV2": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "room_item_ref",
        "source_room_raw",
        "source_room_name",
        "quantity",
        "source_price_raw",
        "source_price",
        "source_breakfast_included",
        "source_breakfast_restaurant_code",
        "roomtype_resolution",
        "evidence_refs"
      ],
      "properties": {
        "room_item_ref": { "$ref": "#/$defs/nonBlank" },
        "source_room_raw": { "$ref": "#/$defs/nullableNonBlank" },
        "source_room_name": { "$ref": "#/$defs/nullableNonBlank" },
        "quantity": { "type": ["integer", "null"], "minimum": 1 },
        "source_price_raw": { "$ref": "#/$defs/nullableNonBlank" },
        "source_price": { "type": ["number", "null"], "exclusiveMinimum": 0 },
        "source_breakfast_included": { "type": ["boolean", "null"] },
        "source_breakfast_restaurant_code": { "$ref": "#/$defs/nullableNonBlank" },
        "roomtype_resolution": { "$ref": "#/$defs/roomtypeResolutionV2" },
        "evidence_refs": { "$ref": "#/$defs/evidenceIdList" }
      }
    },
    "sourceStayUnitContextV2": {
      "type": "object",
      "additionalProperties": false,
      "required": ["source_unit_ref", "arrival_date", "departure_date", "source_rooms", "evidence_refs"],
      "properties": {
        "source_unit_ref": { "$ref": "#/$defs/nonBlank" },
        "arrival_date": { "$ref": "#/$defs/nullableNonBlank" },
        "departure_date": { "$ref": "#/$defs/nullableNonBlank" },
        "source_rooms": {
          "type": "array",
          "items": { "$ref": "#/$defs/sourceRoomContextV2" }
        },
        "evidence_refs": { "$ref": "#/$defs/evidenceIdList" }
      }
    },
    "catalogAuditV2": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "directory_version",
        "effective_mapping_version",
        "directory_manifest_sha256",
        "effective_mapping_manifest_sha256",
        "roomtype_projection_sha256",
        "rate_projection_sha256"
      ],
      "properties": {
        "directory_version": { "$ref": "#/$defs/nonBlank" },
        "effective_mapping_version": { "$ref": "#/$defs/nonBlank" },
        "directory_manifest_sha256": { "$ref": "#/$defs/sha256" },
        "effective_mapping_manifest_sha256": { "$ref": "#/$defs/sha256" },
        "roomtype_projection_sha256": { "$ref": "#/$defs/sha256" },
        "rate_projection_sha256": { "$ref": "#/$defs/sha256" }
      }
    },
    "orderContextV2": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "order_scope_ref",
        "group_code",
        "source_profile_code",
        "source_units",
        "rate_options",
        "catalog_audit",
        "evidence_refs"
      ],
      "properties": {
        "order_scope_ref": { "$ref": "#/$defs/nonBlank" },
        "group_code": { "$ref": "#/$defs/nullableNonBlank" },
        "source_profile_code": { "enum": ["QBD", "LIANTAI"] },
        "source_units": {
          "type": "array",
          "items": { "$ref": "#/$defs/sourceStayUnitContextV2" }
        },
        "rate_options": {
          "type": "array",
          "items": { "$ref": "#/$defs/rateOptionV2" },
          "minItems": 1,
          "maxItems": 2
        },
        "catalog_audit": { "$ref": "#/$defs/catalogAuditV2" },
        "evidence_refs": { "$ref": "#/$defs/evidenceIdList" }
      }
    },
    "directionContext": {
      "type": "object",
      "additionalProperties": false,
      "required": ["source_direction", "confidence", "evidence_refs"],
      "properties": {
        "source_direction": { "enum": ["INBOUND", "OUTBOUND", "INTERNAL", "UNKNOWN"] },
        "confidence": { "enum": ["EXACT", "UNRESOLVED", "CONFLICT"] },
        "evidence_refs": { "$ref": "#/$defs/evidenceIdList" }
      }
    },
    "roomingListResolutionV2": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "material_ref",
        "attachment_id",
        "current_excel",
        "rooming_list_label",
        "tour_code",
        "tour_code_candidates",
        "target_status",
        "reason_code",
        "evidence_refs"
      ],
      "properties": {
        "material_ref": { "$ref": "#/$defs/nonBlank" },
        "attachment_id": { "$ref": "#/$defs/nonBlank" },
        "current_excel": { "type": "boolean" },
        "rooming_list_label": { "type": "boolean" },
        "tour_code": { "$ref": "#/$defs/nullableNonBlank" },
        "tour_code_candidates": { "type": "array", "items": { "$ref": "#/$defs/nonBlank" }, "uniqueItems": true },
        "target_status": { "$ref": "#/$defs/layer4ResolutionStatus" },
        "reason_code": { "$ref": "#/$defs/nonBlank" },
        "evidence_refs": { "$ref": "#/$defs/evidenceIdList" }
      }
    },
    "contractIssue": {
      "type": "object",
      "additionalProperties": false,
      "required": ["issue_id", "code", "severity", "scope", "target_ref", "message_key", "evidence_refs"],
      "properties": {
        "issue_id": { "$ref": "#/$defs/nonBlank" },
        "code": { "$ref": "#/$defs/nonBlank" },
        "severity": { "enum": ["INFO", "WARNING", "ERROR", "BLOCKER"] },
        "scope": { "enum": ["MESSAGE", "MATERIAL", "TARGET", "FIELD", "RELATIONSHIP"] },
        "target_ref": { "$ref": "#/$defs/nullableNonBlank" },
        "message_key": { "$ref": "#/$defs/nonBlank" },
        "evidence_refs": { "$ref": "#/$defs/evidenceIdList" },
        "retryable": { "type": "boolean" }
      }
    }
  }
}