Represent denied, timeout, unavailable, and error host outcomes with one HostFailure result shape, update the browser adapter, and keep Workout host recovery flowing through app code before UI effects.
req: host/002
req: host/005
req: local/003
Introduce hemx-host with typed capability manifests, calls, events, host-check failures, reusable browser/PWA and native-shell profiles, and a tiny optional browser adapter for haptics/share that returns host events without DOM mutation.
req: host/001
req: host/002
req: host/003
req: host/004
req: host/005
slhx agent