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/tinyrainbow/dist/node.js

@@ -0,0 +1,22 @@
+import {
+  a as e,
+  b as t,
+  c as o
+} from "./chunk-BVHSVHOK.js";
+
+// src/node.ts
+import { isatty as s } from "tty";
+var r = process.env.FORCE_TTY !== void 0 || s(1);
+function n() {
+  return t(r);
+}
+function a() {
+  return o(r);
+}
+var u = o(r);
+export {
+  a as createColors,
+  u as default,
+  e as getDefaultColors,
+  n as isSupported
+};