Ban command

src/shared/ticket-cooldown.ts

@@ -1 +1,9 @@
-export const ticketCooldownMap = new Map<string, number>();
+export const ticketCooldownMap = new Map<string, number>();
+
+export function pruneOldTickets() {
+  const keys = Array.from(ticketCooldownMap.keys());
+  for (const key of keys) {
+    if (Date.now() >= ticketCooldownMap.get(key)!)
+      ticketCooldownMap.delete(key);
+  }
+}