The previous fix replaced `throw err` with `return` inside a module,
but top-level `return` is a SyntaxError in ES modules.
Reverted to `throw err` — the error message is already shown on screen,
so the user still gets a graceful fallback even though the error appears
in the console.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>