playwright

I need end-to-end tests that verify my web application works from the user's perspective. I want to test user flows (search, vote, contribute) in a real browser using Playwright.

Playwright's `--update-snapshots` option accepts an optional mode value. In wrapper-script usage, a command like `... --update-snapshots e2e/spec.ts` can be parsed as mode=`e2e/spec.ts` and fail with ...