fix(housekeeping): count preference payload bytes

src/features/housekeeping/foundation/preferences/schema.ts

@@ -45,7 +45,7 @@ export const housekeepingPreferencesSchema: z.ZodType<HousekeepingPreferences> =
 		.strict()
 		.superRefine((preferences, context) => {
 			if (
-				JSON.stringify(preferences).length >
+				new TextEncoder().encode(JSON.stringify(preferences)).byteLength >
 				HOUSEKEEPING_PREFERENCE_MAX_SERIALIZED_BYTES
 			) {
 				context.addIssue({