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/environment.d-DHdQ1Csl.d.ts

@@ -0,0 +1,22 @@
+interface ParsedStack {
+	method: string;
+	file: string;
+	line: number;
+	column: number;
+}
+
+interface SnapshotEnvironment {
+	getVersion: () => string;
+	getHeader: () => string;
+	resolvePath: (filepath: string) => Promise<string>;
+	resolveRawPath: (testPath: string, rawPath: string) => Promise<string>;
+	saveSnapshotFile: (filepath: string, snapshot: string) => Promise<void>;
+	readSnapshotFile: (filepath: string) => Promise<string | null>;
+	removeSnapshotFile: (filepath: string) => Promise<void>;
+	processStackTrace?: (stack: ParsedStack) => ParsedStack;
+}
+interface SnapshotEnvironmentOptions {
+	snapshotsDirName?: string;
+}
+
+export type { ParsedStack as P, SnapshotEnvironment as S, SnapshotEnvironmentOptions as a };