propagateAttributes()

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