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/.vite/deps/chunk-5ZB7HMJW.js

@@ -0,0 +1,16 @@
+import {
+  require_react
+} from "./chunk-QCHXOAYK.js";
+import {
+  __toESM
+} from "./chunk-WOOG5QLI.js";
+
+// node_modules/@radix-ui/react-use-layout-effect/dist/index.mjs
+var React = __toESM(require_react(), 1);
+var useLayoutEffect2 = (globalThis == null ? void 0 : globalThis.document) ? React.useLayoutEffect : () => {
+};
+
+export {
+  useLayoutEffect2
+};
+//# sourceMappingURL=chunk-5ZB7HMJW.js.map