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/isSameMonth.d.ts

@@ -0,0 +1,29 @@
+/**
+ * @name isSameMonth
+ * @category Month Helpers
+ * @summary Are the given dates in the same month (and year)?
+ *
+ * @description
+ * Are the given dates in the same month (and year)?
+ *
+ * @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 dateLeft - The first date to check
+ * @param dateRight - The second date to check
+ *
+ * @returns The dates are in the same month (and year)
+ *
+ * @example
+ * // Are 2 September 2014 and 25 September 2014 in the same month?
+ * const result = isSameMonth(new Date(2014, 8, 2), new Date(2014, 8, 25))
+ * //=> true
+ *
+ * @example
+ * // Are 2 September 2014 and 25 September 2015 in the same month?
+ * const result = isSameMonth(new Date(2014, 8, 2), new Date(2015, 8, 25))
+ * //=> false
+ */
+export declare function isSameMonth<DateType extends Date>(
+  dateLeft: DateType | number | string,
+  dateRight: DateType | number | string,
+): boolean;