- api/fetch-traffic.ts: New endpoint to fetch Traffic Weekly.xlsx from Dropbox
- App.tsx: Added handleTrafficFetch function and auto-fetch on initialization
- types.ts: Added TrafficRecord interface and glanceViews field to CombinedKPIs
- dataProcessor.ts: Added processTrafficExcel parser for Traffic Weekly.xlsx
- dataProcessor.ts: Updated mergeSalesAndAdsData to accept and merge traffic data
- App.tsx: Added trafficData state and handleTrafficUpload handler
- FileUpload.tsx: Added Traffic file upload section for GV data
- AdsPerformance.tsx: Added GV and CVR(GV) summary cards
- AdsPerformance.tsx: Added GV column to product table
- DataGrid.tsx: Enhanced filteredTotalsByYear to aggregate advertising metrics
- DataGrid.tsx: Updated header row to include Ad Spend and TACOS cells per year
- DataGrid.tsx: Integrated YoY growth for Ad Spend
- DataGrid.tsx: Integrated aggregated totals into a new sticky header row
- DataGrid.tsx: Aligned Sell Out and Units totals directly above their respective columns
- DataGrid.tsx: Added YoY growth indicators to the header totals
- DataGrid.tsx: Improved performance with memoized total calculations
- DataGrid.tsx: Fixed syntax errors and TypeScript warnings
- WeeklyGrid.tsx: Corrected visibility condition for top50Ranking object structure
- WeeklyGrid.tsx: Verified and improved Top 50 filtering and sorting logic
- AdsPerformance.tsx: Updated 'Prev:' labels and figures to indigo-300 for higher contrast
- AdsPerformance.tsx: Brightened secondary labels and product titles across the dashboard
- Ensures clear readability on dark backgrounds as requested by the user
- Use de-DE locale (dots for thousands, commas for decimals)
- Round Sales and Spend to integers
- Fix growth calculation to handle locale-specific formatting
- dataProcessor.ts: Update filterAdsData to correctly handle SKU filtering using global metadata
- Ensures that drill-down from Weekly Sales correctly isolates the target product in the Ads tab
- AdsPerformance.tsx: Automatically activate comparison view when 2 periods are selected
- AdsPerformance.tsx: Add growth percentages and trend indicators to table and summary
- AdsPerformance.tsx: Implement chronological sorting for previous vs current periods
- App.tsx: Pass filters to AdsPerformance component
- types.ts: Add conversions field to CombinedKPIs
- dataProcessor.ts: Populate conversions in mergeSalesAndAdsData
- AdsPerformance.tsx: New component with aggregated advertising metrics and detailed product table
- App.tsx: Add Ads view to switcher and render AdsPerformance component
- Icons.tsx: Added icon support for the new Ads tab
- App.tsx: Add globalAsinMetadata to provide context for ad filtering
- dataProcessor.ts: Update filterAdsData to respect product line filters via metadata
- dataProcessor.ts: Update mergeSalesAndAdsData to use global metadata for ads-only records
- Ensures consistent calculation of totals and visibility when filtering by Line or ASIN
- App.tsx: Update top50Ranking2025 to calculate ranks based on active country filters
- App.tsx: Add split Pan-EU vs UK ranking when no filters are active
- WeeklyGrid.tsx: Add support for multiple ranking badges (EU/UK)
- WeeklyGrid.tsx: Enhance Top50Badge with labels and color themes
- WeeklyGrid.tsx: Update sorting and filtering logic for new ranking structure
- New toggle button in Weekly Sales toolbar to show only Top 50 products
- Button displays with trophy icon and golden gradient when active
- Resets pagination when toggled
- Works in combination with other filters (search, growth)
- Calculate static Top 50 ranking based on 2025 Sell Out (independent of filters)
- Display trophy badge with position number for Top 50 ASINs
- Badge shows 🏆 followed by rank (1-50)
- Ranking stays static regardless of date/country filters applied
- Pre-computed ranking based on cumulative 2025 data
- Use React.lazy for DataGrid, WeeklyGrid, and TopMovers
- Add Suspense with LoadingSpinner fallback for smooth transitions
- Enables code splitting for faster initial page load
- Combined with previous O(n²) fix, should significantly improve performance
- The ads-only metadata lookup was doing a nested forEach (O(ads × sales))
- Now pre-builds asinMetadata map during sales aggregation for O(1) lookups
- This reduces complexity from O(n²) to O(n) for large datasets
- Should dramatically improve loading time for Weekly Sales tab
- Limit visible weeks to 8 (configurable MAX_VISIBLE_WEEKS)
- Add debounced search (300ms delay) to reduce re-renders
- Calculate weekTotals in single pass O(rows) instead of O(weeks × rows)
- Memoize callbacks with useCallback (handleSort, renderGrowth, handleExportExcel)
- Export still includes ALL weeks for complete data
- Refactored mergeSalesAndAdsData to aggregate by ASIN+Customer+Year+Week
- Each ASIN/Week now produces exactly one output record
- Updated pivotWeeklySalesData to use ASIN as primary key
- Fixed double-counting when same ASIN had multiple SKUs
- Added support for ads-only records (ASINs with spend but no sales)
- Changed App.tsx to use filtered ads data for accurate totals
1. Changed weekTotals to use 'rows' instead of 'filteredRows' so totals
always show complete sums regardless of search/growth filters
2. Added second pass in mergeSalesAndAdsData to include ads records for
ASINs that have ad spend but no corresponding sales data
- Added Export Excel button to download filtered data as .xlsx
- Increased table container height to maximize visible rows
- Headers remain sticky at viewport top during scroll
- Added Gaining/Dropping/Stable filter modes with configurable threshold
- Filter compares unit volume between active week and previous week
- Updated toolbar UI with growth filter dropdown and threshold input
- Removed global Units/Spend toggle.
- Added separate clickable 'Units' and 'Spend' buttons in each week header.
- Updated handleSort and sort indicators for per-metric control.
- Fixed code duplication in WeeklyGrid.tsx.
- Added Units/Spend toggle to the toolbar.
- Refactored column sorting to use the active toggle metric.
- Simplified sort cycling to just toggle direction (DESC/ASC).
- Fixed JSX structure and code duplication.
- Increased font sizes for better readability across the grid.
- Implemented multi-metric sorting (Units DESC/ASC, Spend DESC/ASC) for week columns.
- Added visual indicators for active sort metric and direction.
- Implemented pagination and local search in WeeklyGrid to handle large datasets.
- Refactored Weekly Sales tab to show units and ad spend per SKU.
- Added default Pan-EU country filter (DE, FR, IT, ES) when no country is selected.
- Update AdsRecord interface to support weekly data (year, week, cpc, ctr, acos, conversions)
- Rewrite processAdsExcel to parse multiple sheets (2025, 2026) with 12-column format
- Update mergeSalesAndAdsData to match by ASIN+Country+Year+Week
- Add Advertising Performance section to Dashboard with Ad Spend, Attributed Sales, ACOS, ROAS
- Add Ads toggle button and summary bar to DataGrid
- Add Ad Spend lines (fuchsia dashed) to weekly comparison chart
- Fix import paths in Dashboard.tsx and AdvertisingDashboard.tsx
- Added applyPanEUGrouping() helper function in dataProcessor.ts
- Groups Amazon DE/IT/FR/ES as 'Pan-EU' when no customer filter applied
- Shows individual countries when specific filter is selected
- Updated DataGrid to accept hasCustomerFilter prop
- Updated App.tsx to pass filter state to DataGrid
- Keeps Amazon UK and Amazon SC separate
- Verified with browser testing: grouping works correctly
- Updated all toLocaleString() calls to use 'de-DE' locale
- Applied to DataGrid, Dashboard, AdvertisingDashboard, TopMovers, geminiService
- Numbers now display as €1.234 instead of €1,234
- Fixed spread operator syntax errors introduced during bulk replacement
- Verified across all tabs: Dashboard, Grid, Advertising
- Changed result.sort() to result = [...result].sort() to create new array reference
- React now properly detects changes and re-renders sorted data
- All columns (Sell Out, Units, S.O. Δ%, Units Δ%) now sort correctly
- Verified with comprehensive browser testing
Adds functionality to process and display advertising data alongside sales data. This includes:
- Introducing a new `AdvertisingDashboard` component.
- Modifying `FileUpload` to accept advertising CSVs.
- Updating `App.tsx` to manage and display both sales and ad data.
- Enhancing `dataProcessor.ts` to handle advertising CSV parsing and merging.
- Adding a `MegaphoneIcon` for advertising-related UI elements.
- Defining new types for advertising records and combined KPIs.
Adds papaparse as a dependency and updates the data processing service to use it for more robust CSV file parsing. This replaces manual CSV parsing logic with a dedicated library, improving reliability and handling of various CSV formats.
Also renames the `MoversIcon` to `TrendingIcon` to better reflect its usage in indicating trending performance metrics.
Sets up the project with Vite, React, Tailwind CSS, Gemini AI integration, and necessary dependencies for data analysis. Includes initial configuration for TypeScript, Tailwind, and project metadata.
