Numbered items should carry from card to card
The text editor on a card is kludgy, buggy, and weird if you add bullets, so it's easier to put one bulleted entry per card if you want to created a bulleted list.
This trick doesn't work as well with numbered lists. Each new card starts its list at one. If there are multiple numbered card entries in a row, the numbers should carry on from the previous.
Alternatively, you could fix the text editor for cards so that it handles bullets correctly.