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/embla-carousel/components/EmblaCarousel.d.ts

@@ -0,0 +1,32 @@
+import { EngineType } from './Engine';
+import { EventHandlerType } from './EventHandler';
+import { EmblaOptionsType } from './Options';
+import { EmblaPluginsType, EmblaPluginType } from './Plugins';
+export type EmblaCarouselType = {
+    canScrollNext: () => boolean;
+    canScrollPrev: () => boolean;
+    containerNode: () => HTMLElement;
+    internalEngine: () => EngineType;
+    destroy: () => void;
+    off: EventHandlerType['off'];
+    on: EventHandlerType['on'];
+    emit: EventHandlerType['emit'];
+    plugins: () => EmblaPluginsType;
+    previousScrollSnap: () => number;
+    reInit: (options?: EmblaOptionsType, plugins?: EmblaPluginType[]) => void;
+    rootNode: () => HTMLElement;
+    scrollNext: (jump?: boolean) => void;
+    scrollPrev: (jump?: boolean) => void;
+    scrollProgress: () => number;
+    scrollSnapList: () => number[];
+    scrollTo: (index: number, jump?: boolean) => void;
+    selectedScrollSnap: () => number;
+    slideNodes: () => HTMLElement[];
+    slidesInView: () => number[];
+    slidesNotInView: () => number[];
+};
+declare function EmblaCarousel(root: HTMLElement, userOptions?: EmblaOptionsType, userPlugins?: EmblaPluginType[]): EmblaCarouselType;
+declare namespace EmblaCarousel {
+    let globalOptions: EmblaOptionsType | undefined;
+}
+export default EmblaCarousel;