chore: follow the general comments style

src/shared/lib/helpers/createVirtualizer/createVirtualizer.svelte.ts

@@ -45,7 +45,9 @@ export interface VirtualItem {
  * Options are reactive - pass them through a function getter to enable updates.
  */
 export interface VirtualizerOptions {
-    /** Total number of items in the data array */
+    /**
+     * Total number of items in the underlying data array
+     */
     count: number;
     /**
      * Function to estimate the size of an item at a given index.
@@ -60,7 +62,10 @@ export interface VirtualizerOptions {
      * as fonts finish loading, eliminating the DOM-measurement snap on load.
      */
     estimateSize: (index: number) => number;
-    /** Number of extra items to render outside viewport for smoother scrolling (default: 5) */
+    /**
+     * Number of extra items to render outside viewport for smoother scrolling
+     * @default 5
+     */
     overscan?: number;
     /**
      * Function to get the key of an item at a given index.
@@ -464,27 +469,45 @@ export function createVirtualizer<T>(
     }
 
     return {
+        /**
+         * Current vertical scroll position in pixels (reactive)
+         */
         get scrollOffset() {
             return scrollOffset;
         },
+        /**
+         * Measured height of the visible container area (reactive)
+         */
         get containerHeight() {
             return containerHeight;
         },
-        /** Computed array of visible items to render (reactive) */
+        /**
+         * Computed array of visible items to render (reactive)
+         */
         get items() {
             return items;
         },
-        /** Total height of all items in pixels (reactive) */
+        /**
+         * Total height of all items in pixels (reactive)
+         */
         get totalSize() {
             return totalSize;
         },
-        /** Svelte action for the scrollable container element */
+        /**
+         * Svelte action for the scrollable container element
+         */
         container,
-        /** Svelte action for measuring individual item elements */
+        /**
+         * Svelte action for measuring individual item elements
+         */
         measureElement,
-        /** Programmatic scroll method to scroll to a specific item */
+        /**
+         * Programmatic scroll method to scroll to a specific item
+         */
         scrollToIndex,
-        /** Programmatic scroll method to scroll to a specific pixel offset */
+        /**
+         * Programmatic scroll method to scroll to a specific pixel offset
+         */
         scrollToOffset,
     };
 }

src/shared/lib/helpers/createVirtualizer/createVirtualizer.test.ts

@@ -1,4 +1,6 @@
-/** @vitest-environment jsdom */
+/**
+ * @vitest-environment jsdom
+ */
 import {
     afterEach,
     describe,