Qwen 3.8 Flash got stuck on the product page

Every step

1. 0:08StoreClicked “Aero Run 2 Light running shoes for everyday roa…”“I see the home page with featured products. I'll click on the Aero Run 2 product to open its product page.”
2. 0:13Product pageClicked “Choose a size”“I'm on the Aero Run 2 product page and need to choose a size before adding to cart. I'll open the size selector.”
3. 0:18Product pagePicked “42”“The size dropdown is open and sizes 42 and 43 are available. I'll select size 42 to satisfy the required variant option.”
4. 0:26Product pagePicked “43”“The size dropdown is open and shows 42 and 43 as available. My previous select of '42' failed, so I'll try selecting '43' instead to choose an in-stock size.”
5. 0:30Product pageClicked “Choose a size 40 – out of stock 41 – out of sto…”“The select action failed because this is a custom dropdown, not a native select. The options are visible and clickable, so I'll click directly on '42'.”
6. 0:35Product pageClicked “Choose a size”“The size dropdown still shows 'Choose a size'. I need to click it to open the dropdown and see the available options.”