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/execute.js

@@ -0,0 +1,13 @@
+export { V as VitestExecutor } from './chunks/execute.B7h3T_Hc.js';
+import 'node:fs';
+import 'node:url';
+import 'node:vm';
+import '@vitest/utils/error';
+import 'pathe';
+import 'vite-node/client';
+import 'vite-node/utils';
+import './path.js';
+import 'node:path';
+import '@vitest/mocker';
+import 'node:module';
+import '@vitest/utils';