From 4460213da3b866902ab6d5ba508f97c3b8ffed45 Mon Sep 17 00:00:00 2001
From: Christian Vidal Wolf <christianvidalwolf@gmail.com>
Date: Wed, 22 Apr 2026 14:31:16 +0200
Subject: [PATCH] feat: detect NW > GW weight errors in Pricing Units tab

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 src/components/PricingView.tsx | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/components/PricingView.tsx b/src/components/PricingView.tsx
index c941636..a909fed 100644
--- a/src/components/PricingView.tsx
+++ b/src/components/PricingView.tsx
@@ -230,6 +230,15 @@ export function PricingView({ data, headers, onSaveRow, onCaptureState, onEdit,
         else if (v === 1) unitErrors.push(`${name}: value is 1`);
       });
 
+      // NW > GW check
+      if (nwIdx >= 0 && gwIdx >= 0) {
+        const nw = parseFloat(String(row[nwIdx] ?? '').replace(',', '.'));
+        const gw = parseFloat(String(row[gwIdx] ?? '').replace(',', '.'));
+        if (!isNaN(nw) && !isNaN(gw) && nw > gw) {
+          unitErrors.push(`NW (${nw}) > GW (${gw})`);
+        }
+      }
+
       return {
         row,
         dataIndex,