I’m not an expert but I can tell you what works for me. I’m not a big fan of doing other sport activities when I follow a structured plan. I incorporate some unstructured rides into my schedule but the rides are planned in terms of duration and intensity (to predict how much stress the rides can put into my body) and are part of the plan. I mean, if I had 3 sets of 16-20minutes of under/overs the day before I don’t want to do an epic ride the day after. Rather do that I take my gravel bike and I do a 30-40km just zone 1-2 ride for fun. For me, commuting every day plus training would be too much. There is no time to recover. In your scenario, I would prefer to switch to low volume and maybe I would wonder adding to the plan a little bit of Z2 rides: e.g. make some rides longer (just about 15 minutes) or add an extra day of endurance training, or do both to make a little bit of extra volume. But it all depends on you, how your body reacts, how many TSS you can sustain etc. For me, a day off the bike should be completely off the bike, on training I want to be focused on exactly that. During the year there is a time with no structured training for me (even a few times a year I have those brakes from training) and I do other activities during that time, with no structure, plan etc. Just for fun. Good luck!