It's good tht you've proactively addressed privacy concerns, and your efforts here seem substantive rather than cosmetic. But I can't say I feel enthused about the video of invisible mental health diagnoses and automated interventions; this is why I have strict limits for myself on device interaction, and prefer a goofy old analog wristwatch to a digital fitness tracker. Likewise I block out some times/spaces/activities as being device free.

It seems to me that the costs of automatic this sort of cognitive/emotional effort may outweigh the potential benefits - in the aggregate, it may of course be ideal for some individuals. These are of course concerns about the undertaking rather than your particular product.