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/dom-helpers/esm/animate.d.ts

@@ -0,0 +1,19 @@
+import { EventHandler } from './addEventListener';
+import { TransformValue } from './isTransform';
+import { Property } from './types';
+declare type AnimateProperties = Record<Property | TransformValue, string>;
+interface Options {
+    node: HTMLElement;
+    properties: AnimateProperties;
+    duration?: number;
+    easing?: string;
+    callback?: EventHandler<'transitionend'>;
+}
+interface Cancel {
+    cancel(): void;
+}
+declare function animate(options: Options): Cancel;
+declare function animate(node: HTMLElement, properties: AnimateProperties, duration: number): Cancel;
+declare function animate(node: HTMLElement, properties: AnimateProperties, duration: number, callback: EventHandler<'transitionend'>): Cancel;
+declare function animate(node: HTMLElement, properties: AnimateProperties, duration: number, easing: string, callback: EventHandler<'transitionend'>): Cancel;
+export default animate;