feat: cron ISO at + delete-after-run

src/cron/parse.ts

@@ -0,0 +1,21 @@
+const ISO_TZ_RE = /(Z|[+-]\d{2}:?\d{2})$/i;
+const ISO_DATE_RE = /^\d{4}-\d{2}-\d{2}$/;
+const ISO_DATE_TIME_RE = /^\d{4}-\d{2}-\d{2}T/;
+
+function normalizeUtcIso(raw: string) {
+  if (ISO_TZ_RE.test(raw)) return raw;
+  if (ISO_DATE_RE.test(raw)) return `${raw}T00:00:00Z`;
+  if (ISO_DATE_TIME_RE.test(raw)) return `${raw}Z`;
+  return raw;
+}
+
+export function parseAbsoluteTimeMs(input: string): number | null {
+  const raw = input.trim();
+  if (!raw) return null;
+  if (/^\d+$/.test(raw)) {
+    const n = Number(raw);
+    if (Number.isFinite(n) && n > 0) return Math.floor(n);
+  }
+  const parsed = Date.parse(normalizeUtcIso(raw));
+  return Number.isFinite(parsed) ? parsed : null;
+}