    "shade-open": (i) => i.title.startsWith("Transfers") && !i.toast,
    "shade-note": (i) => i.xfnOn && i.xfnBad === 0 && i.xfnBtn && /downloads/.test(i.shadeChans) && /^Saving \d+ files?$/.test(i.shadeTitle) && /walk-a\.flac/.test(i.shadeText),
    /* the dump has to have been read for the negative to mean anything: one
       that came back empty would pass "no downloads channel" on nothing at
       all. A format change fails the step above, loudly, first */
    "shade-gone": (i) => !i.xfnOn && i.xfnClr >= 1 && i.shadeSeen > 0 && !/downloads/.test(i.shadeChans),
