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/vitest/dist/chunks/suite.d.FvehnV49.d.ts

@@ -0,0 +1,10 @@
+import { Test } from '@vitest/runner';
+import { c as BenchmarkAPI, a as BenchFunction } from './benchmark.d.BwvBVTda.js';
+import { Options } from 'tinybench';
+import '@vitest/runner/utils';
+
+declare function getBenchOptions(key: Test): Options;
+declare function getBenchFn(key: Test): BenchFunction;
+declare const bench: BenchmarkAPI;
+
+export { getBenchOptions as a, bench as b, getBenchFn as g };