The linked implemented note is the current-state authority for both one-line
todo surfaces and still specified a single in-progress item: "the in-progress
item as the collapsed one-line hint" and "N/M done · active item". Since the
cap on parallel in_progress items was lifted, both surfaces name the first
active item and count the rest in a separate non-shrinking span.
Bilingual pair updated together and re-recorded.
86fb68f76a