all = {
const parse = d3.utcParse("%Y-%m-%d %H:%M:%S %Z");
do {
const text = await FileAttachment("brav-m.txt").text();
yield d3
.tsvParseRows(text)
.map(([t, v]) => ({ date: parse(`${t} -0200`), signatures: +v }));
await Promises.delay(5 * 60 * 1000);
} while (false);
}