propagateAttributes()

await respan.propagateAttributes(
  {
    customer_identifier: "user_123",
    thread_identifier: "conv_001",
    metadata: { plan: "pro" },
  },
  async () => {
    // All spans created here inherit these attributes
    await respan.withWorkflow({ name: "handle_request" }, async () => {
      const response = await client.chat.completions.create({
        model: "gpt-4o-mini",
        messages: [{ role: "user", content: "Hello" }],
      });
    });
  }
);