From 75b94bd39f0ea9937720744371c4884ac7aa745f Mon Sep 17 00:00:00 2001
From: Jared Vititoe <jjvititoe1@gmail.com>
Date: Fri, 10 Jul 2026 16:09:33 -0400
Subject: [PATCH] fix(night-light): warn when schedule start equals end

From review: equal start/end silently disables the tint (zero-length window).
Show an inline hint so the user isn't left wondering why nothing happens.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
---
 src/app/features/settings/general/General.tsx | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/app/features/settings/general/General.tsx b/src/app/features/settings/general/General.tsx
index 193cd1e9a..86ae2ab81 100644
--- a/src/app/features/settings/general/General.tsx
+++ b/src/app/features/settings/general/General.tsx
@@ -634,6 +634,11 @@ function Appearance() {
                 </Box>
               </Box>
             )}
+            {nightLightSchedule && nightLightStart === nightLightEnd && (
+              <Text size="T200" style={{ color: color.Critical.Main }}>
+                Start and end times are the same, so the tint never turns on. Set different times.
+              </Text>
+            )}
           </Box>
         )}
       </SequenceCard>