DeepSeek V4.1 Flash got stuck on the product page

Every step

1. 0:06StoreClicked “Aero Run 2 Light running shoes for everyday roa…”“The store home page shows featured products, so I'll open the Aero Run 2 product page to pick options and add it to the cart.”
2. 0:10Product pageClicked “Choose a size”“I'm on the Aero Run 2 product page and need to choose a required size before adding to cart. I'll open the size dropdown.”
3. 0:17Product pageWaited for the page“The size dropdown is open with sizes 42 and 43 in stock, but the individual options aren't listed as elements yet. I'll wait a moment to let the option list register.”
4. 0:20Product pagePicked “42”“The size dropdown is open with sizes 42 and 43 in stock. I'll pick size 42 to satisfy the required variant.”
5. 0:24Product pageClicked “Choose a size 40 – out of stock 41 – out of sto…”“The size dropdown is open showing 42 in stock, but the options aren't separate elements; my select failed. I'll click the dropdown element to see if a clickable option appears, otherwise try clicking 42 directly.”
6. 0:30Product pagePicked “EU 42”“The size dropdown didn't accept '42' by that label, so I'll try matching the option text with the size label it may use.”