// app/api/chat/route.ts
import { streamText } from "@yourgpt/llm-sdk";
import { anthropic } from "@yourgpt/llm-sdk/anthropic";

export async function POST(req: Request) {
  const { messages } = await req.json();

  const result = await streamText({
    model: anthropic("claude-sonnet-4-20250514"),
    system: "You are a helpful assistant.",
    messages,
  });

  return result.toTextStreamResponse();
}

// app/api/chat/route.ts
import { createRuntime } from "@yourgpt/llm-sdk";
import { createAnthropic } from "@yourgpt/llm-sdk/anthropic";

const runtime = createRuntime({
  provider: createAnthropic({ apiKey: process.env.ANTHROPIC_API_KEY }),
  model: "claude-sonnet-4-20250514",
  systemPrompt: "You are a helpful assistant.",
});

export async function POST(req: Request) {
  return runtime.stream(await req.json()).toResponse();
}