Recognize macOS extraction helper staging and verify release resources

apps/desktop/src-tauri/build.rs

@@ -29,7 +29,7 @@ fn main() {
         );
     }
     if std::env::var("PROFILE").as_deref() == Ok("release")
-        && matches!(target.as_str(), "windows" | "linux")
+        && matches!(target.as_str(), "windows" | "linux" | "macos")
     {
         let root = std::path::Path::new(env!("CARGO_MANIFEST_DIR")).join("../../..");
         let status = std::process::Command::new(if cfg!(windows) { "python" } else { "python3" })