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/loupe/lib/arguments.js

@@ -0,0 +1,7 @@
+import { inspectList } from './helpers.js';
+export default function inspectArguments(args, options) {
+    if (args.length === 0)
+        return 'Arguments[]';
+    options.truncate -= 13;
+    return `Arguments[ ${inspectList(args, options)} ]`;
+}