You are doing an educational financial workflow demonstration, not investment advice. Use ONLY provided public DART evidence. No web access is provided: do not claim browsing. Units KRW million, consolidated, fiscal years 2023-2025 as presented in the specified 2025 report; subsequent amendments not checked. Separate observations, hypotheses and missing evidence. Output Korean, except JSON keys. Return one valid JSON object without fences. Never invent a source or facts. Role assignment is an experimental design, not proof that your model beats another. Do not quote this instruction.
Act as forensic analyst. Compute 2025 vs 2024 revenue growth, operating profit growth, operating margins, cash-flow/operating-profit for all three companies. Spot 3 non-obvious observations. Explain what extra evidence is needed, not unsupported causes. Schema: {title,metrics:[{company,revenue_growth_pct,op_growth_pct,margin2025_pct,margin2024_pct,cfo_to_op2025}],insights:[{claim,evidence,not_proven,next_question}],limitations:[...]}.

EVIDENCE:
[{"회사": "삼성전자", "연도": "2023", "매출액": "258935494", "영업이익": "6566976", "당기순이익(연결 전체)": "15487100", "부채총계": "92228115", "자본총계": "363677865", "영업활동현금흐름": "44137427"}, {"회사": "삼성전자", "연도": "2024", "매출액": "300870903", "영업이익": "32725961", "당기순이익(연결 전체)": "34451351", "부채총계": "112339878", "자본총계": "402192070", "영업활동현금흐름": "72982621"}, {"회사": "삼성전자", "연도": "2025", "매출액": "333605938", "영업이익": "43601051", "당기순이익(연결 전체)": "45206805", "부채총계": "130621773", "자본총계": "436320337", "영업활동현금흐름": "85315148"}, {"회사": "SK하이닉스", "연도": "2023", "매출액": "32765719", "영업이익": "-7730313", "당기순이익(연결 전체)": "-9137547", "부채총계": "46826413", "자본총계": "53503752", "영업활동현금흐름": "4278191"}, {"회사": "SK하이닉스", "연도": "2024", "매출액": "66192960", "영업이익": "23467319", "당기순이익(연결 전체)": "19796902", "부채총계": "45939505", "자본총계": "73915704", "영업활동현금흐름": "29795885"}, {"회사": "SK하이닉스", "연도": "2025", "매출액": "97146675", "영업이익": "47206319", "당기순이익(연결 전체)": "42947902", "부채총계": "55440908", "자본총계": "120666751", "영업활동현금흐름": "53373126"}, {"회사": "LG전자", "연도": "2023", "매출액": "82262664", "영업이익": "3653294", "당기순이익(연결 전체)": "1150611", "부채총계": "36742257", "자본총계": "23498536", "영업활동현금흐름": "5913596"}, {"회사": "LG전자", "연도": "2024", "매출액": "87728182", "영업이익": "3419675", "당기순이익(연결 전체)": "591365", "부채총계": "40417925", "자본총계": "25211664", "영업활동현금흐름": "3842661"}, {"회사": "LG전자", "연도": "2025", "매출액": "89200882", "영업이익": "2478392", "당기순이익(연결 전체)": "1220412", "부채총계": "40068142", "자본총계": "28552025", "영업활동현금흐름": "4280500"}]