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/package.json

@@ -24,10 +24,12 @@
   },
   "dependencies": {
     "@types/dompurify": "^3.0.5",
+    "@vue-leaflet/vue-leaflet": "^0.10.1",
     "d3": "^7.9.0",
     "dompurify": "^3.3.3",
     "fast-json-patch": "^3.1.1",
     "fuse.js": "^7.1.0",
+    "leaflet": "^1.9.4",
     "pinia": "^3.0.4",
     "qrcode": "^1.5.4",
     "vue": "^3.5.24",
@@ -37,6 +39,7 @@
   "devDependencies": {
     "@playwright/test": "^1.58.2",
     "@types/d3": "^7.4.3",
+    "@types/leaflet": "^1.9.21",
     "@types/node": "^24.10.0",
     "@types/qrcode": "^1.5.6",
     "@vite-pwa/assets-generator": "^1.0.2",