feat: Discover view, Fleet dashboard, MeshMap, type fixes

- New Discover.vue (app store redesign)
- Fleet.vue dashboard for .228
- MeshMap.vue component
- Fixed Discover.vue type errors (unused var, type predicate)
- Various UI updates (Apps, Dashboard, Marketplace, Mesh, Web5)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

neode-ui/src/views/Discover.vue

@@ -6,13 +6,14 @@
       <div class="hidden md:flex mb-6 items-center gap-4">
         <div class="mode-switcher flex-shrink-0">
           <RouterLink to="/dashboard/apps" class="mode-switcher-btn">My Apps</RouterLink>
-          <RouterLink to="/dashboard/marketplace" class="mode-switcher-btn mode-switcher-btn-active">App Store</RouterLink>
+          <RouterLink to="/dashboard/discover" class="mode-switcher-btn mode-switcher-btn-active">App Store</RouterLink>
           <RouterLink to="/dashboard/apps?tab=services" class="mode-switcher-btn">Services</RouterLink>
         </div>
         <div class="mode-switcher flex-shrink-0">
           <RouterLink
             to="/dashboard/discover"
-            class="mode-switcher-btn mode-switcher-btn-active"
+            class="mode-switcher-btn"
+            :class="{ 'mode-switcher-btn-active': $route.path === '/dashboard/discover' }"
           >Discover</RouterLink>
           <button
             v-for="category in categoriesWithApps"
@@ -670,9 +671,6 @@ const categoriesWithApps = computed(() => {
   })
 })
 
-const currentCategoryName = computed(() => {
-  return categories.value.find(c => c.id === selectedCategory.value)?.name || 'All'
-})
 
 const filteredApps = computed(() => {
   let apps = allApps.value
@@ -727,7 +725,7 @@ const featuredApps = computed<FeaturedApp[]>(() => {
     .map(f => {
       const app = allApps.value.find(a => a.id === f.id)
       if (!app) return null
-      return { ...app, featuredDescription: f.desc, privacyTag: f.tag }
+      return { ...app, featuredDescription: f.desc, privacyTag: f.tag } as FeaturedApp
     })
     .filter((a): a is FeaturedApp => a !== null)
 })