Propagating HTTP Handler Interrupt with Effect and Vercel AI

  handlers
    .handle("chat", ({ payload }) =>
      pipe(
        Effect.gen(function* () {
          const { messages, id: sessionId } = payload
          const chatService = yield* ChatService

          const abort = new AbortController()
          yield* Effect.addFinalizer(() => Effect.succeed(abort.abort()))

          return yield* chatService.chat({
            sessionId,
            messages: messages as DialogMessage[],
            signal: abort.signal,
          })
        }),
...