feat: add release controls and 09:00 collection

lib/collection-schedule.ts

@@ -0,0 +1,25 @@
+function shanghaiDateFromTimestamp(timestamp: number) {
+  return new Date(timestamp + 8 * 60 * 60 * 1000)
+    .toISOString()
+    .slice(0, 10);
+}
+
+function shanghaiHourFromTimestamp(timestamp: number) {
+  return Number(
+    new Date(timestamp + 8 * 60 * 60 * 1000)
+      .toISOString()
+      .slice(11, 13),
+  );
+}
+
+export function isCollectionScheduleDue(
+  scheduledDate: string,
+  timestamp: number,
+) {
+  const currentDate = shanghaiDateFromTimestamp(timestamp);
+  const currentHour = shanghaiHourFromTimestamp(timestamp);
+  return (
+    scheduledDate < currentDate ||
+    (scheduledDate === currentDate && currentHour >= 9)
+  );
+}