{
  "case_id": "NQ-003",
  "raw_question": "Покажи документ по номеру 000123 и строку проводки, нужен точный source-of-record.",
  "expected": {
    "intent_class": "drilldown_explain",
    "route_hint": "live_mcp_drilldown",
    "requires": {
      "needs_cross_entity_join": false,
      "needs_causal_chain": false
    },
    "accounts_mentioned": [],
    "expected_output_shape": "evidence_chain"
  }
}