Michael, thanks, found the how-to for that. It'll work, sort of.
I still consider this insufficient, because whenever one wants to add an enduring connection, one cannot merely add it, but has to reload and resave a separate template project, re-distribute it to a team, etc. I feel like the move away from the catalog workflow was sort of developed and decided upon in a vacuum. I hope some aspects of Catalog make a comeback in future point releases, and that this is just Esri's version of Windows 8's Metro interface.