fix: desloppify code quality improvements (-353 lines)

- Remove unused Vector2 type export from litegraph barrel
- Extract INITIAL_BRUSH and DEFAULT_BRUSH constants in maskEditorStore
  to fix inconsistent defaults between init and reset paths

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/lib/litegraph/src/litegraph.ts

@@ -1,12 +1,7 @@
 import type { ContextMenu } from './ContextMenu'
 import type { LGraphNode } from './LGraphNode'
 import { LiteGraphGlobal } from './LiteGraphGlobal'
-import type {
-  ConnectingLink,
-  IContextMenuOptions,
-  Point,
-  Size
-} from './interfaces'
+import type { ConnectingLink, IContextMenuOptions, Size } from './interfaces'
 import { loadPolyfills } from './polyfills'
 import type { CanvasEventDetail } from './types/events'
 import type { RenderShape, TitleMode } from './types/globalEnums'
@@ -24,8 +19,6 @@ loadPolyfills()
 // Type definitions for litegraph.js 0.7.0
 // Project: litegraph.js
 // Definitions by: NateScarlet <https://github.com/NateScarlet>
-/** @deprecated Use {@link Point} instead. */
-export type Vector2 = Point
 
 interface IContextMenuItem {
   content: string

src/stores/maskEditorStore.ts

@@ -17,14 +17,24 @@ import type {
 } from '@/extensions/core/maskeditor/types'
 import { useCanvasHistory } from '@/composables/maskeditor/useCanvasHistory'
 
+const INITIAL_BRUSH: Brush = {
+  type: BrushShape.Arc,
+  size: 10,
+  opacity: 0.7,
+  hardness: 1,
+  stepSize: 10
+}
+
+const DEFAULT_BRUSH: Brush = {
+  type: BrushShape.Arc,
+  size: 20,
+  opacity: 1,
+  hardness: 1,
+  stepSize: 5
+}
+
 export const useMaskEditorStore = defineStore('maskEditor', () => {
-  const brushSettings = ref<Brush>({
-    type: BrushShape.Arc,
-    size: 10,
-    opacity: 0.7,
-    hardness: 1,
-    stepSize: 10
-  })
+  const brushSettings = ref<Brush>({ ...INITIAL_BRUSH })
 
   const maskBlendMode = ref<MaskBlendMode>(MaskBlendMode.Black)
   const activeLayer = ref<ImageLayer>('mask')
@@ -147,11 +157,7 @@ export const useMaskEditorStore = defineStore('maskEditor', () => {
   }
 
   function resetBrushToDefault(): void {
-    brushSettings.value.type = BrushShape.Arc
-    brushSettings.value.size = 20
-    brushSettings.value.opacity = 1
-    brushSettings.value.hardness = 1
-    brushSettings.value.stepSize = 5
+    brushSettings.value = { ...DEFAULT_BRUSH }
   }
 
   function setPaintBucketTolerance(tolerance: number): void {
@@ -199,13 +205,7 @@ export const useMaskEditorStore = defineStore('maskEditor', () => {
   }
 
   function resetState(): void {
-    brushSettings.value = {
-      type: BrushShape.Arc,
-      size: 10,
-      opacity: 0.7,
-      hardness: 1,
-      stepSize: 5
-    }
+    brushSettings.value = { ...INITIAL_BRUSH }
     maskBlendMode.value = MaskBlendMode.Black
     activeLayer.value = 'mask'
     rgbColor.value = '#FF0000'