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/use-sidecar/dist/es5/config.js

@@ -0,0 +1,10 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.setConfig = exports.config = void 0;
+exports.config = {
+    onError: function (e) { return console.error(e); },
+};
+var setConfig = function (conf) {
+    Object.assign(exports.config, conf);
+};
+exports.setConfig = setConfig;