I've been thinking a lot about your situation. You may or may not be making progress. We don't want you to lose any progress you may have made. You would like to understand exactly what W sees as your future. You cannot stay in limbo forever.
Last week, you'd planned to wait until after the holidays to talk. What's wrong with that plan? Just stick to that, since there's not much time left anyways. In the meantime, pull back a bit so that you're not always available...Be a little hard to get.
After the holidays, have your talk. If she puts you in the friend zone, you'll know exactly what to do and there will be no confusion next time. Maybe the holidays will be magical and you won't need a talk. Who knows? But it won't really hurt anything to leave it alone for now, whereas it could hurt a LOT to push the issue.
Have you found any sleds to trick out? Birdhouses are a fun project this time of year, too. Dad, crafts, and the outdoors? Your boys will be in daddy-luvin' heaven!