Jeffery

I suggest all items equipped with unique id

and all items are unstackable in SQL data and they automatically stack to the client when they are stackable.

It will be helpful when admin trace the item log

Players don't use storage all the time,

so there's no reason for map-server to store memory data for them all the time (sd->status.storage).

I suggest that make storage data like guild_storage data.

Only occupy memory when player use the storage system.

And free the memory when player close the storage and save to SQL.