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/snapshot/dist/manager.d.ts

@@ -0,0 +1,18 @@
+import { S as SnapshotStateOptions, e as SnapshotSummary, b as SnapshotResult } from './rawSnapshot.d-lFsMJFUd.js';
+import '@vitest/pretty-format';
+import './environment.d-DHdQ1Csl.js';
+
+declare class SnapshotManager {
+	options: Omit<SnapshotStateOptions, "snapshotEnvironment">;
+	summary: SnapshotSummary;
+	extension: string;
+	constructor(options: Omit<SnapshotStateOptions, "snapshotEnvironment">);
+	clear(): void;
+	add(result: SnapshotResult): void;
+	resolvePath<T = any>(testPath: string, context?: T): string;
+	resolveRawPath(testPath: string, rawPath: string): string;
+}
+declare function emptySummary(options: Omit<SnapshotStateOptions, "snapshotEnvironment">): SnapshotSummary;
+declare function addSnapshotResult(summary: SnapshotSummary, result: SnapshotResult): void;
+
+export { SnapshotManager, addSnapshotResult, emptySummary };