[
  {
    "error_type": "TypeError",
    "error_signature": "analysis() takes <N> positional arguments but 1 was given",
    "wrong_code": "c.analysis(\"수익성\")",
    "correct_code": "c.analysis(\"financial\", \"수익성\")",
    "tool_name": "analysis",
    "frequency": 5,
    "last_seen": 1775313437.0288768
  },
  {
    "error_type": "TypeError",
    "error_signature": "analysis() missing 1 required positional argument",
    "wrong_code": "c.analysis(\"성장성\")",
    "correct_code": "c.analysis(\"financial\", \"성장성\")",
    "tool_name": "analysis",
    "frequency": 5,
    "last_seen": 1775313437.0288768
  },
  {
    "error_type": "TypeError",
    "error_signature": "macro() got an unexpected keyword argument 'topic'",
    "wrong_code": "dartlab.macro(topic=\"종합\")",
    "correct_code": "dartlab.macro(\"종합\")",
    "tool_name": "macro",
    "frequency": 5,
    "last_seen": 1775313437.0288768
  },
  {
    "error_type": "TypeError",
    "error_signature": "macro() got an unexpected keyword argument 'axis'",
    "wrong_code": "dartlab.macro(axis=\"사이클\")",
    "correct_code": "dartlab.macro(\"사이클\")",
    "tool_name": "macro",
    "frequency": 5,
    "last_seen": 1775313437.0288768
  },
  {
    "error_type": "KeyError",
    "error_signature": "KeyError: 'cycle'",
    "wrong_code": "result[\"cycle\"]",
    "correct_code": "print(result.keys())  # 먼저 키 확인",
    "tool_name": "macro",
    "frequency": 5,
    "last_seen": 1775313437.0288768
  },
  {
    "error_type": "KeyError",
    "error_signature": "KeyError: 'factors'",
    "wrong_code": "result[\"factors\"]",
    "correct_code": "print(result.keys())  # 먼저 키 확인",
    "tool_name": "macro",
    "frequency": 5,
    "last_seen": 1775313437.0288768
  },
  {
    "error_type": "KeyError",
    "error_signature": "KeyError: 'narrative'",
    "wrong_code": "result[\"narrative\"]",
    "correct_code": "print(result.keys())  # 먼저 키 확인",
    "tool_name": "macro",
    "frequency": 5,
    "last_seen": 1775313437.0288768
  },
  {
    "error_type": "AttributeError",
    "error_signature": "has no attribute 'empty'",
    "wrong_code": "df.empty",
    "correct_code": "len(df) == 0  # Polars는 .empty 없음",
    "tool_name": "polars",
    "frequency": 5,
    "last_seen": 1775313437.0288768
  },
  {
    "error_type": "AttributeError",
    "error_signature": "has no attribute 'iterrows'",
    "wrong_code": "df.iterrows()",
    "correct_code": "df.iter_rows(named=True)  # Polars 문법",
    "tool_name": "polars",
    "frequency": 5,
    "last_seen": 1775313437.0288768
  },
  {
    "error_type": "AttributeError",
    "error_signature": "has no attribute 'sort_values'",
    "wrong_code": "df.sort_values(\"col\")",
    "correct_code": "df.sort(\"col\")  # Polars 문법",
    "tool_name": "polars",
    "frequency": 5,
    "last_seen": 1775313437.0288768
  },
  {
    "error_type": "AttributeError",
    "error_signature": "has no attribute 'to_dict'",
    "wrong_code": "df.to_dict()",
    "correct_code": "df.to_dicts()  # Polars는 to_dicts()",
    "tool_name": "polars",
    "frequency": 5,
    "last_seen": 1775313437.0288768
  },
  {
    "error_type": "MemoryError",
    "error_signature": "c.sections",
    "wrong_code": "c.sections",
    "correct_code": "c.show(\"IS\")  # sections는 409MB. show(topic)으로 개별 조회",
    "tool_name": "company",
    "frequency": 5,
    "last_seen": 1775313437.0288768
  },
  {
    "error_type": "TimeoutError",
    "error_signature": "scan join timeout",
    "wrong_code": "df1.join(df2, ...)",
    "correct_code": "# scan DataFrame join 금지 (타임아웃). 개별 scan 결과를 순차 해석",
    "tool_name": "scan",
    "frequency": 5,
    "last_seen": 1775313437.0288768
  },
  {
    "error_type": "TypeError",
    "error_signature": "review() should be used only for explicit report requests",
    "wrong_code": "c.review(\"수익성\")",
    "correct_code": "c.analysis(\"financial\", \"수익성\")  # 분석에는 analysis 사용",
    "tool_name": "review",
    "frequency": 5,
    "last_seen": 1775313437.0288768
  },
  {
    "error_type": "AttributeError",
    "error_signature": "has no attribute 'rename'",
    "wrong_code": "df.rename({\"old\": \"new\"})",
    "correct_code": "df.rename({\"old\": \"new\"})  # Polars rename은 동일하나 columns= 불필요",
    "tool_name": "polars",
    "frequency": 5,
    "last_seen": 1775313437.0288768
  }
]