チャット補完

use phaseo::Phaseo;
use serde_json::json;

fn main() -> Result<(), Box<dyn std::error::Error>> {
    let client = Phaseo::from_env()?;
    let response = client.chat_completions(&json!({
        "model": "openai/gpt-6-astra",
        "messages": [
            {
                "role": "system",
                "content": "Answer concisely."
            },
            {
                "role": "user",
                "content": "What is provider fallback?"
            }
        ]
    }))?;

    let text = response
        .body
        .pointer("/choices/0/message/content")
        .and_then(|value| value.as_str())
        .unwrap_or("");

    println!("{text}");
    Ok(())
}