Advanced Lean GSC Dashboard

// Lean table structure
{
  clicks: 1234,        // Direct values
  impressions: 10000,  // No prefixes
  ctr: 12.34,         // Pre-calculated
  position: 5.2,      // Aggregated
  
  trend_data: {       // JSONB field
    daily: [...],
    weekly_change: 15.5
  }
}