fn main() {
let dist = std::path::Path::new("frontend/dist/index.html");
if !dist.exists() {
panic!(
"frontend/dist/index.html not found.\n\
Build the frontend first:\n just build-frontend\n\
Or manually:\n cd frontend && bun install && bun run build"
);
}
println!("cargo:rerun-if-changed=frontend/dist/index.html");
}