NextJS serverless limits

How would you check if a user is signed in for multiple endpoints.
Prisma Schema
Build command uncovers typechecking errors not shown by intellisense
Build a custom provider component nextjs appdir
ProvideAuth component 
```
<ProvideAuth>...Error importing @planetscale/database
Linting errors when building on Vercel that I'm not getting on local machine
how to fix typescript error
What would the best approach be to have a website that can be translated for different countries?
Simplest useInfiniteQuery implementation?
useInfiniteQuery on a tRPC query. I saw several tutorials, but it looked very different every time.
My current setup looks something like:
```ts
vendors: protectedProcedure...When to use useUploadThing and uploadFiles hooks?
Prisma client extensions in T3 app
globalThis and globalForPrisma. I don't understand the usage of it, but it nullifies the extended types. Can I just remove these and use  new PrismaClient()? If not, what else can I do?
- The file in question: src/server/db.ts
- The page for client extensions: https://www.prisma.io/docs/concepts/components/prisma-client/client-extensions/result...t3 monorepo with fastify backend
Prisma
Continuous process while server is running
whats the url of deployed socket.io server
const io = new Server(1001, { cors: { origin: ["https://deployedclient.vercel.app", "http://localhost:3000"] } })
and client knows that the websocket is hosted on localhost:1001
...How does the Beta system of CT3A works?
Prisma, self relation onDelete, onUpdate behavior
net::ERR_NAME_NOT_RESOLVED Drizzle ORM