src/components/Toast.tsx

@@ -32,6 +32,7 @@ export function useToast(): ToastContextValue {
 }
 
 const AUTO_DISMISS_MS = 3000;
+const MAX_VISIBLE_TOASTS = 2;
 
 /**
  * App-level toast host. Renders an aria-live region so screen readers announce
@@ -49,7 +50,9 @@ export function ToastProvider({ children }: { children: ReactNode }) {
   const showToast = useCallback(
     (message: string, variant: ToastVariant = "success") => {
       const id = (idRef.current += 1);
-      setToasts((prev) => [...prev, { id, message, variant }]);
+      setToasts((prev) =>
+        [...prev, { id, message, variant }].slice(-MAX_VISIBLE_TOASTS),
+      );
       window.setTimeout(() => dismiss(id), AUTO_DISMISS_MS);
     },
     [dismiss],