fix: bw/stats 404, gateway links, history crash

- swr.ts: remove useBandwidth(), drop bw from useDashboard()
- events/route.ts: skip bandwidth SSE (Kubo 0.28.0 unsupported)
- usage/page.tsx: remove getBWStats call + bw references
- helpers.ts: gatewayLink -> ipfs.maos.dedyn.io (subdomain only)
- upload/page.tsx: fix local gatewayLink (subdomain only)
- storage.ts: update default gatewayUrl, add defensive getHistory()

package.json

@@ -7,10 +7,10 @@
     "dev": "next dev --port 3445",
     "dev:webpack": "next dev --port 3445 --webpack",
     "build": "next build",
+    "start": "next start",
     "export": "next build && npx serve out"
   },
   "dependencies": {
-    "@maos/ipfs-portal": "file:",
     "@tailwindcss/postcss": "^4.3.1",
     "clsx": "^2.1.1",
     "jose": "^6.2.3",
@@ -24,8 +24,8 @@
   },
   "devDependencies": {
     "@playwright/test": "^1.61.1",
-    "@types/node": "^22.0.0",
-    "@types/react": "^19.0.0",
+    "@types/node": "22.20.0",
+    "@types/react": "19.2.17",
     "@types/react-dom": "^19.0.0",
     "tailwindcss": "^4.0.0",
     "typescript": "^5.8.0",