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/isThisISOWeek.mjs

@@ -0,0 +1,32 @@
+import { constructNow } from "./constructNow.mjs";
+import { isSameISOWeek } from "./isSameISOWeek.mjs";
+
+/**
+ * @name isThisISOWeek
+ * @category ISO Week Helpers
+ * @summary Is the given date in the same ISO week as the current date?
+ * @pure false
+ *
+ * @description
+ * Is the given date in the same ISO week as the current date?
+ *
+ * ISO week-numbering year: http://en.wikipedia.org/wiki/ISO_week_date
+ *
+ * @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 date to check
+ *
+ * @returns The date is in this ISO week
+ *
+ * @example
+ * // If today is 25 September 2014, is 22 September 2014 in this ISO week?
+ * const result = isThisISOWeek(new Date(2014, 8, 22))
+ * //=> true
+ */
+
+export function isThisISOWeek(date) {
+  return isSameISOWeek(date, constructNow(date));
+}
+
+// Fallback for modularized imports:
+export default isThisISOWeek;