{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://intentia.io/schemas/mssense/evaluation_sample.v1_1.schema.json",
  "title": "mssense Evaluation Sample v1.1",
  "description": "Schema for one row of mssense_eval_benchmark_v1_1.jsonl. V5.15.h delta vs v1: business_rules.items accepts string or object; record_hash + template_hash + modality_role added as required; augmentation_type/lineage_parent_id added as optional for paraphrastic augmentations.",
  "type": "object",
  "required": [
    "sample_id",
    "benchmark_version",
    "evaluation_only",
    "task_family",
    "channel_family",
    "input_modality",
    "modality_role",
    "user_intent",
    "lat_candidate",
    "expected_decision",
    "oracle",
    "template_hash",
    "record_hash"
  ],
  "properties": {
    "sample_id": {"type": "string"},
    "benchmark_version": {"type": "string"},
    "evaluation_only": {"const": true},
    "task_family": {"type": "string"},
    "channel_family": {"type": "string"},
    "input_modality": {
      "type": "string",
      "enum": ["text", "audio", "demo", "capture", "mixed"]
    },
    "modality_role": {
      "type": "string",
      "enum": ["real_artefact", "meta_tagged"],
      "description": "real_artefact = input_payload carries an audio/capture/image/recording reference for the declared modality; meta_tagged = the modality label is meta-information (e.g. 'the user typed they want to record audio') but the payload is text-only. Introduced in V5.15.h to remove the ambiguity surfaced by the v1.0 audit."
    },
    "user_intent": {"type": "string"},
    "input_payload": {"type": "object"},
    "lat_candidate": {"type": "array"},
    "business_rules": {
      "type": "array",
      "items": {
        "oneOf": [
          {
            "type": "object",
            "properties": {
              "id": {"type": "string"},
              "type": {"type": "string"},
              "description": {"type": "string"},
              "lat_step_ids": {"type": "array", "items": {"type": "string"}},
              "iris_control_type": {"type": ["string", "null"]}
            }
          },
          {
            "type": "string",
            "description": "DEPRECATED — raw natural-language business rule. Will be wrapped into the canonical object shape by the V5.15.b adapter if encountered."
          }
        ]
      }
    },
    "expected_decision": {
      "type": "string",
      "enum": ["INVALID", "VALID", "UNDERSTOOD", "QUESTION", "THINKING", "DONE"]
    },
    "expected_issue_types": {"type": "array"},
    "expected_question": {"type": ["string", "null"]},
    "expected_choices": {"type": "array"},
    "difficulty": {"type": "string", "enum": ["easy", "medium", "hard"]},
    "oracle": {"type": "object"},
    "template_hash": {
      "type": "string",
      "description": "SHA-256 of the underlying TEMPLATE — collisions are expected across paraphrastic variants of the same case template. Renamed from content_hash in V5.15.h to match the observed semantics."
    },
    "record_hash": {
      "type": "string",
      "description": "SHA-256 of the canonical sorted-key serialisation of THIS record (excluding record_hash, template_hash, content_hash). Use this for record-level uniqueness checks, not template_hash."
    },
    "content_hash": {
      "type": "string",
      "description": "DEPRECATED alias of template_hash kept for tooling backward compatibility. Will be removed in v2.0."
    },
    "_legacy_fields": {
      "type": "array",
      "items": {"type": "string"},
      "description": "List of field names retained from v1.0 for backward compatibility but deprecated."
    },
    "augmentation_type": {
      "type": "string",
      "enum": ["paraphrase", "domain_swap", "channel_swap", "modality_swap"],
      "description": "Present only on derived (non-seed) samples. Allows downstream benchmarks to filter for seed-only evaluation or to weight metrics."
    },
    "lineage_parent_id": {
      "type": "string",
      "description": "Sample_id of the seed this augmented record was derived from. Present only on augmented samples."
    },
    "augmentation_index": {"type": "integer"},
    "augmentation_method": {"type": "string"}
  },
  "additionalProperties": true
}