Async Zero-Allocation Image Optimization Pipeline for Rust

use smallpict_rs::{SmallPictClient, OptimizeOptions, ImageFormat};

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    let client = SmallPictClient::new("sp_live_secret_key_xxxxx")?;
    
    let image_bytes = tokio::fs::read("input.jpg").await?;
    let optimized = client.optimize(&image_bytes, OptimizeOptions {
        format: ImageFormat::Avif,
        quality: 80,
        max_width: Some(1920),
        strip_metadata: true,
    }).await?;
    
    tokio::fs::write("output.avif", optimized.bytes).await?;
    println!("Savings: {}% ({}ms)", optimized.savings_percentage, optimized.duration_ms);
    Ok(())
}