Care Compass: Pairing Gemma 4 With Signed Policy Evidence for Healthcare Navigation

This is a submission for the Gemma 4 Challenge: Build with Gemma 4 Healthcare AI does not fail only when it gives a bad answer. It also fails when nobody can prove why an answer was allowed, which policy was active, what context the model saw, or whether the model should have been called at all. That was the problem I wanted to explore with Care Compass: a local-first community health navigation demo that pairs Gemma 4 with signed policy evidence. Gemma 4 handles the language work. Aion Cont...