From de1af7e0dbea1d148abc4f5305e0c6d5f88594d5 Mon Sep 17 00:00:00 2001
From: Christian Vidal Wolf <christianvidalwolf@gmail.com>
Date: Wed, 25 Feb 2026 16:16:47 +0100
Subject: [PATCH] fix(experiment): patch ASIN matching bug where trailing
 whitespaces from excel files dropped matching records from analysis leading
 to zeroed metrics

---
 services/experimentAnalysis.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/services/experimentAnalysis.ts b/services/experimentAnalysis.ts
index cf51c5a..1f5d278 100644
--- a/services/experimentAnalysis.ts
+++ b/services/experimentAnalysis.ts
@@ -58,7 +58,7 @@ function aggregateWeeklyMetrics(
   const weeklyMap = new Map<string, WeeklyMetrics>();
 
   for (const r of salesData) {
-    const asin = (r.asin || '').toUpperCase();
+    const asin = (r.asin || '').trim().toUpperCase();
     if (!asinSet.has(asin)) continue;
 
     const mkt = (r.marketplace || (r as any).customer || '').toLowerCase();