chore: remove unused dependencies and delete unused combobox demo components

package.json

@@ -18,19 +18,15 @@
     "db:extras": "bun run scripts/db-extras.ts"
   },
   "dependencies": {
-    "@auth/prisma-adapter": "^2.11.1",
     "@aws-sdk/client-s3": "^3.985.0",
-    "@base-ui/react": "^1.1.0",
     "@prisma/adapter-pg": "^7.3.0",
     "@prisma/client": "^7.3.0",
-    "@types/react-window": "^2.0.0",
     "bcryptjs": "^3.0.3",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "date-fns": "^4.1.0",
     "hls.js": "^1.6.15",
     "lucide-react": "^0.563.0",
-    "nanoid": "^5.1.6",
     "next": "16.1.6",
     "next-auth": "^5.0.0-beta.30",
     "next-themes": "^0.4.6",
@@ -44,8 +40,7 @@
     "sonner": "^2.0.7",
     "tailwind-merge": "^3.4.0",
     "tus-js-client": "^4.3.1",
-    "tw-animate-css": "^1.4.0",
-    "zod": "^4.3.6"
+    "tw-animate-css": "^1.4.0"
   },
   "devDependencies": {
     "@tailwindcss/postcss": "^4",