Add zlib-sync runtime dependency for Discord adapter builds.

This resolves Vercel production build failures caused by @discordjs/ws requiring zlib-sync during Next.js bundling.

Author: andrelandgraf

app/bun.lock

@@ -90,6 +90,7 @@
     "uuid": "^13.0.0",
     "vaul": "^1.1.2",
     "workflow": "^4.1.0-beta.60",
+    "zlib-sync": "^0.1.10",
     "zod": "^4.1.8"
   },
   "devDependencies": {