From d8515d08e1ee9fa716835b47e6e1b3b00e89f6d5 Mon Sep 17 00:00:00 2001
From: Esdras Renan <monkeyesdras@gmail.com>
Date: Mon, 10 Nov 2025 03:15:56 -0300
Subject: [PATCH] fix: ensure tooltip formatter returns string

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

diff --git a/src/components/dashboard/dashboard-hero.tsx b/src/components/dashboard/dashboard-hero.tsx
index 2641aa5..4f8d008 100644
--- a/src/components/dashboard/dashboard-hero.tsx
+++ b/src/components/dashboard/dashboard-hero.tsx
@@ -407,7 +407,7 @@ function QueueSparklineCard({
                 <ChartTooltipContent
                   labelFormatter={(value) => formatDateDMY(new Date(value as string))}
                   valueFormatter={(value) =>
-                    typeof value === "number" ? value.toLocaleString("pt-BR") : value
+                    typeof value === "number" ? value.toLocaleString("pt-BR") : String(value ?? "")
                   }
                 />
               }