keep tilts synced

app/AppContext.tsx

@@ -45,6 +45,10 @@ export function AppProvider({ children }: { children: ReactNode }) {
 
 		if (tilt[cardIndex]) {
 			emitTilt(cardIndex, tilt[cardIndex]);
+		} else {
+			// cardIndex does not matter
+			// all tilts for this user will be cleared
+			emitTilt(0, { rotateX: 0, rotateY: 0 });
 		}
 	}, [tilt]);