fix: logic to show BSR improvements (rank drops) in green

debug_marketplace.ts

@@ -0,0 +1,42 @@
+import XLSX from 'xlsx';
+import { readFileSync } from 'fs';
+import { processAdsExcel, mergeSalesAndAdsData } from './services/dataProcessor';
+
+async function run() {
+    const buf = readFileSync('/tmp/Ads-Weekly.xlsx').buffer;
+    const adsData = await processAdsExcel(buf);
+
+    // Simulate with empty sales - ads-only records
+    const merged = mergeSalesAndAdsData([], adsData);
+
+    console.log('Total merged records (ads-only):', merged.length);
+
+    // Find INKEE DE ads-only records
+    const inkeeDE = merged.filter(m =>
+        m.asin.startsWith('B0CQ') &&
+        (m.marketplace || m.customer || '').includes('DE')
+    );
+
+    console.log('\nINKEE DE in merged:', inkeeDE.length);
+    for (const r of inkeeDE) {
+        console.log(`  ASIN:${r.asin} year:${r.year} week:${r.week} marketplace:"${r.marketplace}" customer:"${r.customer}" cost:${r.cost} salesAds:${r.salesAds} clicks:${r.clicks}`);
+    }
+
+    // Now test the aggregation (just for "DE" marketplace filter)
+    const asinSet = new Set(['B0CQ247T2V', 'B0CQTLZRCV']);
+
+    for (const marketplace of ['DE', 'Amazon DE', 'de', 'amazon de', '']) {
+        const matching = inkeeDE.filter(r => {
+            const mkt = (r.marketplace || r.customer || '').toLowerCase();
+            if (!marketplace || marketplace === 'All') return true;
+            return mkt.includes(marketplace.toLowerCase());
+        });
+        console.log(`\nFilter mkt="${marketplace}": ${matching.length} matching INKEE DE records`);
+        if (matching.length > 0) {
+            const totalCost = matching.reduce((s, r) => s + (r.cost || 0), 0);
+            console.log(`  Total cost: ${totalCost.toFixed(2)}`);
+        }
+    }
+}
+
+run().catch(console.error);