Need a Total Control from The Project Manager Perspective
I can't allow this app to send out to the team members with all kinds of notification or invites while I am still configuring the project. Also our members will be pissed when receiving all kinds of notification even before they know how to stop such junk notification. I, as a project manager, I'll be able to disable the notification of all members and/or some members, until I feel comfortable in sending out notifications or invites.
Create a project, archive it, access it via Manage System to add team members and set tasks. When all is done → unarchive – all who are involved will be invited.