It says on the ticket where you should put it.
Leaving things in the hallway is a fire hazard and illegal, although people usually turn a blind eye on smaller objects like shoe racks.
Do any developments in Taiwan have bike rooms? Pretty common in buildings in the West these days.
Still not the norm here in Taiwan for bike parking. Some people would choose to park their bike in their scooter parking spots. As for in city centers, U-bike rules all, so there’s not much room for development of bike parking in buildings.