chore: small update for cf example

examples/cloudflare-workers/README.md

@@ -9,7 +9,6 @@ The project includes four endpoints:
 - `/add-data` to add data to your endpoint.
 - `/chat` to make a chat request with rag-chat using Upstash LLM.
 - `/chat-stream` to make a chat request with rag-chat using Upstash LLM with streaming.
-- `/chat-stream-openai` to make a chat request with rag-chat using OpenAI LLM with streaming.
 
 You can check out the `src/index.ts` file to see how each endpoint works.
 
@@ -30,7 +29,7 @@ npm install @upstash/rag-chat
 Ensure your wrangler.toml file includes the following configuration to enable Node.js compatibility:
 
 ```toml
-compatibility_flags = ["nodejs_compat_v2"]
+compatibility_flags = ["nodejs_compat"]
 ```
 
 In older CF worker versions, you may need to set the following compatibility flags:
@@ -49,11 +48,10 @@ UPSTASH_REDIS_REST_TOKEN="***"
 UPSTASH_VECTOR_REST_URL="***"
 UPSTASH_VECTOR_REST_TOKEN="***"
 QSTASH_TOKEN="***"
-OPENAI_API_KEY="***"
 ```
 
-- `QSTASH_TOKEN` is needed for the `/chat` and `/chat-stream` endpoints.
-- `OPENAI_API_KEY` is needed for the `/chat-stream-openai` endpoint.
+`QSTASH_TOKEN` is needed for the `/chat` and `/chat-stream` endpoints. If you want to use the openai models for the llm,
+you can provide the `OPENAI_API_KEY` environment variable instead.
 
 For deployment, use the `wrangler` CLI to securely set environment variables.
 Run the following command for each secret:

examples/cloudflare-workers/src/index.ts

@@ -1,6 +1,6 @@
 import { Hono } from "hono";
 import { Index } from "@upstash/vector";
-import { openai, RAGChat, upstash } from "@upstash/rag-chat";
+import { RAGChat, upstash } from "@upstash/rag-chat";
 
 const app = new Hono<{
   Variables: {