Keep installation availability and full doctor inspection facts separate from the setup ready-provider list. A blocked Kuna cache no longer advertises deep analysis; passing unverified-version notes remain usable.
Refs #5105. All 16 focused setup and public CLI dry-run controls passed; typecheck and lint passed. Tests use a scripted Kuna version fixture and do not establish real-engine behavior. The pre-existing doctor cancellation startup-poll failure is tracked separately.
morluto