docs: Q1c GREEN — reboot survival automatic since agent 0.84.0 (feature doc + audit §7 + CONTEXT + REPORT)

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01PSK5g6qYLknKj8u3QAFEr6

hub/internal/web/hosts_test.go

@@ -168,6 +168,9 @@ func TestHandleHostDetail(t *testing.T) {
 	}
 	// v0.46.0: the ONLY host actions are the two log-bundle request forms (the page is
 	// otherwise still read-only — no destructive/host-mutating buttons).
+	// v0.47.0: this fixture host is ONLINE (report just saved), so the stale-host
+	// danger-zone card must NOT render for it — this pin now doubles as the
+	// "delete hidden for online hosts" proof (the stale case: TestHostDetail_DangerCardForStaleOnly).
 	if got := strings.Count(strings.ToLower(body), "<button"); got != 2 {
 		t.Errorf("host detail has %d buttons, want exactly the 2 log-request buttons", got)
 	}