//! AZ-660 build-time codegen for the `../detections` gRPC contract.
//!
//! Mirrors the `telemetry_stream` build script: uses
//! `protoc-bin-vendored` so the build is self-contained (no system
//! protoc install required on dev or CI). The PROTOC env var is set
//! before invoking `tonic-prost-build`.

fn main() -> Result<(), Box<dyn std::error::Error>> {
    let protoc = protoc_bin_vendored::protoc_bin_path()?;
    std::env::set_var("PROTOC", protoc);

    tonic_prost_build::configure()
        .build_client(true)
        .build_server(true)
        .compile_protos(&["proto/detections.proto"], &["proto"])?;

    println!("cargo:rerun-if-changed=proto/detections.proto");
    Ok(())
}