Generate animated data report videos from KPIs, charts, and analytics
report_title: Stringdate_range: { start: string, end: string }kpis: Array of { label, value, delta_pct, trend: 'up'|'down'|'flat' }charts: Array of { type: 'line'|'bar'|'pie', title, data_points: number[] }highlights: Array of strings (max 3)1080p for presentations, square for Slack