[
  {
    "event_id": "EV-0101",
    "session_id": "a41c",
    "surface_key_raw": "summarize",
    "input_text": "이거 요약해줘",
    "occurred_at": "2026-08-31T01:02:00Z",
    "result_shown": true
  },
  {
    "event_id": "EV-0102",
    "session_id": "a41c",
    "surface_key_raw": "summarize",
    "input_text": "이거 요약해줘!",
    "occurred_at": "2026-08-31T01:02:40Z",
    "result_shown": true
  },
  {
    "event_id": "EV-0201",
    "session_id": "b70d",
    "surface_key_raw": "summarize",
    "input_text": "짧게 요약해줘",
    "occurred_at": "2026-08-31T02:11:00Z",
    "result_shown": true
  },
  {
    "event_id": "EV-0202",
    "session_id": "b70d",
    "surface_key_raw": "summarize",
    "input_text": "더 짧게 요약해줘",
    "occurred_at": "2026-08-31T02:11:50Z",
    "result_shown": true
  },
  {
    "event_id": "EV-0301",
    "session_id": "c19f",
    "surface_key_raw": "upload",
    "input_text": "계약서 올림",
    "occurred_at": "2026-08-31T03:20:00Z",
    "result_shown": true
  },
  {
    "event_id": "EV-0302",
    "session_id": "c19f",
    "surface_key_raw": "summarize",
    "input_text": "계약서 요약해줘",
    "occurred_at": "2026-08-31T03:21:10Z",
    "result_shown": true
  },
  {
    "event_id": "EV-0303",
    "session_id": "c19f",
    "surface_key_raw": "translate",
    "input_text": "계약서 번역",
    "occurred_at": "2026-08-31T03:22:30Z",
    "result_shown": true
  },
  {
    "event_id": "EV-0401",
    "session_id": "d88a",
    "surface_key_raw": "translate",
    "input_text": "이 문장 번역",
    "occurred_at": "2026-09-01T04:05:00Z",
    "result_shown": true
  },
  {
    "event_id": "EV-0501",
    "session_id": "e12b",
    "surface_key_raw": "extract",
    "input_text": "표 뽑아줘",
    "occurred_at": "2026-09-01T05:30:00Z",
    "result_shown": true
  },
  {
    "event_id": "EV-0601",
    "session_id": "f45c",
    "surface_key_raw": "summarize",
    "input_text": "보고서 요약해줘",
    "occurred_at": "2026-09-01T06:40:00Z",
    "result_shown": true
  },
  {
    "event_id": "EV-0602",
    "session_id": "f45c",
    "surface_key_raw": "summarize",
    "input_text": "요약해줘 다시",
    "occurred_at": "2026-09-01T06:41:20Z",
    "result_shown": true
  },
  {
    "event_id": "EV-0701",
    "session_id": "g88e",
    "surface_key_raw": "chat",
    "input_text": "이 표 뭐야",
    "occurred_at": "2026-09-02T07:10:00Z",
    "result_shown": null
  },
  {
    "event_id": "EV-0801",
    "session_id": "h20a",
    "surface_key_raw": " Summarize ",
    "input_text": "회의록 요약해줘",
    "occurred_at": "2026-09-02T08:00:00Z",
    "result_shown": true
  },
  {
    "event_id": "EV-0802",
    "session_id": "h20a",
    "surface_key_raw": "summarize",
    "input_text": "회의록 요약해줘 다시",
    "occurred_at": "2026-09-02T08:00:55Z",
    "result_shown": true
  }
]