feat(ui): SSH-over-mesh card, store-listing filter, icon treatment

Settings gains the SSH-over-mesh card (danger-zone confirmation for the
any-peer scope, sshd preflights, fipssh copy hint). The signed-catalog
merge filters components via the shared serviceNames module; Discover
grids get the standard icon container; install no longer yanks the user
to My Apps; v1.8.8 release notes.

neode-ui/src/views/discover/FeaturedApps.vue

@@ -24,7 +24,7 @@
             v-if="app.icon"
             :src="app.icon"
             :alt="app.title"
-            class="w-20 h-20 rounded-xl object-cover flex-shrink-0"
+            class="w-20 h-20 rounded-xl archy-app-icon flex-shrink-0"
             @error="handleImageError"
           />
           <div class="flex-1 min-w-0">