Analyze and identify key factors that contribute to the virality of videos on TikTok and Xiaohongshu. 来源：https://prompts.chat/prompts/cmj8gwumj000yv40rm9hmcuba
Compares two CSV exports of the same records (old vs new, billing vs ledger, source vs warehouse) by key after normalizing headers, delimiters, currency formats, accounting negatives, dates and case. Reports added, removed and duplicate keys, key format drift, changed values per column with tolerances, possible re-keys and a control-total bridge, then writes a reconciliation report. Includes a stdlib Python checker with --self-test. 来源：https://prompts.chat/prompts/cmvrsgiov0017jt07ksqlpubk
Profiles CSV and spreadsheet exports before you trust them: infers column types and measures missing values, duplicates, mixed types, outliers, date format chaos, and key uniqueness with a tested Python script, then writes a prioritized data quality report with safe fixes. 来源：https://prompts.chat/prompts/cmuz806nl000aid04oivgasj2
