描述
Analyze datasets with a decision-first workflow. Use when the user needs to inspect CSV/JSON/Parquet/SQL extracts, validate data quality, explain trends, compare segments, summarize experiment or telemetry results, or turn raw tables into evidence-backed findings — even if they ask in domain language like KPI, retention, funnel, cohort, revenue, campaign, export, dashboard data, or game telemetry. Choose the right lane (spreadsheet-scale triage, SQL slicing, notebook/statistical analysis, or stakeholder-ready summary) and hand off cleanly to dashboard, anomaly-detection, or implementation skills when needed.