- realDataAnalysis.ts now uses identical CPI calculation as ExecutiveSummaryTab - Added hasCpiField check for consistent fallback behavior - Uses same formula: weighted average of (cpi * cost_volume) / total_cost_volume - Falls back to totalAnnualCost / totalCostVolume when no CPI field exists Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>