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/runner/dist/index.js

@@ -0,0 +1,6 @@
+export { a as afterAll, b as afterEach, c as beforeAll, d as beforeEach, p as collectTests, j as createTaskCollector, k as describe, l as getCurrentSuite, q as getCurrentTest, g as getFn, f as getHooks, m as it, o as onTestFailed, e as onTestFinished, s as setFn, h as setHooks, i as startTests, n as suite, t as test, u as updateTask } from './chunk-hooks.js';
+export { processError } from '@vitest/utils/error';
+import '@vitest/utils';
+import '@vitest/utils/source-map';
+import 'strip-literal';
+import 'pathe';