feat: redesign Exams List page to show submitted custom exams

- Added Custom Exams tab showing all exams from Generation page
- Displays title, module badges, duration, and status
- Added Create Exam button
- Kept Exam Sessions tab for institutional sessions
- Search filters across exams

Made-with: Cursor

node_modules/date-fns/endOfDay.mjs

@@ -0,0 +1,30 @@
+import { toDate } from "./toDate.mjs";
+
+/**
+ * @name endOfDay
+ * @category Day Helpers
+ * @summary Return the end of a day for the given date.
+ *
+ * @description
+ * Return the end of a day for the given date.
+ * The result will be in the local timezone.
+ *
+ * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).
+ *
+ * @param date - The original date
+ *
+ * @returns The end of a day
+ *
+ * @example
+ * // The end of a day for 2 September 2014 11:55:00:
+ * const result = endOfDay(new Date(2014, 8, 2, 11, 55, 0))
+ * //=> Tue Sep 02 2014 23:59:59.999
+ */
+export function endOfDay(date) {
+  const _date = toDate(date);
+  _date.setHours(23, 59, 59, 999);
+  return _date;
+}
+
+// Fallback for modularized imports:
+export default endOfDay;