>>>>Is there a command which makes my drawings planar like 'project osnap' in rhino?

In AutoCAD there is OSNAPZ System variable:
http://help.autodesk.com/view/ACDMAC/2021/ENU/?guid=GUID-5A49F08E-C0FD-4B38-9253-BC60197E1A60

You can try to set it to 1, but the problem is that you need to set it to 1 each time you launch AutoCAD, because it is not saved in the drawing or in the global settings.