1. As a clerk I always reproduce recommendations from reports in meeting minutes as motions, whether they be mine or anyone else's, and then go on to say whether they were carried or defeated. I don't know how anyone would keep track of decisions any other way.
2. I'm pretty sure that this can be added to a council's standing orders. The addition would of course need to be presented to council as part of the process of amending your standing orders.
3. Council has the power to appoint its committees and a committee has the power to appoint it's sub-committees. I'm sure I've seen this in the standard template for standing orders on the NALC site if you want to take a closer look.