Is it possible to exchange the values with google fit? As far as I know Google Fit does have an API to exchange data.
Watchmaker should get the step count from google fit, since this is already counting the steps and adding them into the statistics. If I change the watchface during the day it starts counting from zero, which is not correct. If it would take the value from google fit, it would be always correct, even when changing watchfaces.
For the pulse counter it would be the other way around. When watchmaker whatchface is initiating a pulse measurement, it should give the result olso over to google fit, so it could be entered into the statisctics. For that an option how often to measure wuold be good. This would be excelent during workouts. You could see how your pulse was doing over a certain time.