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/index.js

@@ -0,0 +1,18 @@
+export { c as createExpect, a as expect, i as inject, v as vi, b as vitest } from './chunks/vi.bdSIJ99Y.js';
+export { b as bench } from './chunks/benchmark.CYdenmiT.js';
+export { a as assertType } from './chunks/index.CdQS2e2Q.js';
+export { expectTypeOf } from 'expect-type';
+export { afterAll, afterEach, beforeAll, beforeEach, describe, it, onTestFailed, onTestFinished, suite, test } from '@vitest/runner';
+import * as chai from 'chai';
+export { chai };
+export { assert, should } from 'chai';
+import '@vitest/expect';
+import '@vitest/runner/utils';
+import './chunks/utils.XdZDrNZV.js';
+import '@vitest/utils';
+import './chunks/_commonjsHelpers.BFTU3MAI.js';
+import '@vitest/snapshot';
+import '@vitest/utils/error';
+import '@vitest/spy';
+import '@vitest/utils/source-map';
+import './chunks/date.Bq6ZW5rf.js';