From 48b2ead2872d4b40301cd9d42a2e819a397dc343 Mon Sep 17 00:00:00 2001
From: Andreas Weyer <dev@cbaoth.de>
Date: Mon, 16 Feb 2026 16:26:51 +0000
Subject: [PATCH] Fix simulation-chart missing day separator lines

---
 src/components/simulation-chart.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/components/simulation-chart.tsx b/src/components/simulation-chart.tsx
index 8465fd1..ee18e93 100644
--- a/src/components/simulation-chart.tsx
+++ b/src/components/simulation-chart.tsx
@@ -609,7 +609,7 @@ const SimulationChart = React.memo(({
                   style={{ stroke: isDarkTheme ? '#666' : '#ccc' }}
             />
 
-            {showDayReferenceLines !== false && [...Array(dispDays + 1).keys()].map(day => {
+            {showDayReferenceLines !== false && [...Array(simDays).keys()].map(day => {
               // Determine whether to use compact day labels to avoid overlap on narrow screens
               const pxPerDay = scrollableWidth / Math.max(1, dispDays);
               let label = "";