From aa77025d14bd6b15ee3bc7a7be116566512d9731 Mon Sep 17 00:00:00 2001
From: Michael SCHAL <michaelschal@gmail.com>
Date: Wed, 18 Mar 2026 20:49:57 +0100
Subject: [PATCH] feat: introduce virtualized heatmap grid component with
 client-side filtering, sorting, and optimized Zustand state management.

---
 src/features/grid/components/heatmap-grid.tsx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/features/grid/components/heatmap-grid.tsx b/src/features/grid/components/heatmap-grid.tsx
index 79700a0..bf3bb12 100644
--- a/src/features/grid/components/heatmap-grid.tsx
+++ b/src/features/grid/components/heatmap-grid.tsx
@@ -233,7 +233,7 @@ export function HeatmapGrid({ onSelectionChange }: HeatmapGridProps) {
 
         const selectedIdxs = Object.keys(rowSelection).filter((k) => rowSelection[k]);
         const selectedCodeins = selectedIdxs
-            .map((idx) => rows[parseInt(idx)]?.codein ?? "")
+            .map((idx) => filteredData[parseInt(idx)]?.codein ?? "")
             .filter(Boolean);
 
         // Only update if selection actually changed to avoid re-render loops & console warnings
@@ -245,7 +245,7 @@ export function HeatmapGrid({ onSelectionChange }: HeatmapGridProps) {
             // Delay update to next tick to ensure we're out of any render cycles
             setTimeout(() => onSelectionChange(selectedCodeins), 0);
         }
-    }, [rowSelection, onSelectionChange, rows]);
+    }, [rowSelection, onSelectionChange, filteredData]);
 
     const columns = React.useMemo<ColumnDef<ProductRow>[]>(() => [
         {