chore: follow the general comments style

src/widgets/SampleList/model/stores/layoutStore/layoutStore.svelte.ts

@@ -22,6 +22,9 @@ import { responsiveManager } from '$shared/lib';
 export type LayoutMode = 'list' | 'grid';
 
 interface LayoutConfig {
+    /**
+     * Active display mode (list | grid)
+     */
     mode: LayoutMode;
 }
 
@@ -40,9 +43,13 @@ const DEFAULT_CONFIG: LayoutConfig = {
  * calculation. Persists user preference to localStorage.
  */
 class LayoutManager {
-    /** Current layout mode */
+    /**
+     * Reactive layout mode state
+     */
     #mode = $state<LayoutMode>(DEFAULT_CONFIG.mode);
-    /** Persistent storage for layout preference */
+    /**
+     * Persistence layer for saving layout between sessions
+     */
     #store = createPersistentStore<LayoutConfig>(STORAGE_KEY, DEFAULT_CONFIG);
 
     constructor() {
@@ -53,7 +60,9 @@ class LayoutManager {
         }
     }
 
-    /** Current layout mode ('list' or 'grid') */
+    /**
+     * Current active layout mode
+     */
     get mode(): LayoutMode {
         return this.#mode;
     }
@@ -66,12 +75,16 @@ class LayoutManager {
         return responsiveManager.isMobile || responsiveManager.isTabletPortrait ? SM_GAP_PX : MD_GAP_PX;
     }
 
-    /** Whether currently in list mode */
+    /**
+     * True if currently showing a single-column list
+     */
     get isListMode(): boolean {
         return this.#mode === 'list';
     }
 
-    /** Whether currently in grid mode */
+    /**
+     * True if currently showing a multi-column grid
+     */
     get isGridMode(): boolean {
         return this.#mode === 'grid';
     }

src/widgets/SampleList/model/stores/layoutStore/layoutStore.test.ts

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