The purchase detail badges what was bought on every row (DSD128 on a
DSD purchase, not the catalog's 24/352.8), marks the formats already on
disk with a check in the dropdown, offers a track filter, links to the
album in the Local Library once its folder is indexed, and gives the
download the accent while Play drops to a plain control of the same
size — on this screen the download is the point.
Downloads are process-wide and survive leaving the page; the nav flyout
now lists the purchases with a download in flight under "Downloads · N"
so the user can find them again, each row reopening its detail.
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