A new address, a new wallet and a network switch each leave tracked tokens with no balance entry, so their lines read 0.0000 before any refresh had read them. Each of these now sets `balanceNotFetched` on the tracked tokens, and a refresh already clears it. Their lines read `quantity unknown` until then. Addresses that the wallet scan finds get the same. A refresh that did not read every address the page now holds leaves the field set. Model: opus-5-5