[refactor] Migrate litegraph imports from npm package to local subtree

- Updated all imports from '@comfyorg/litegraph' to '@/lib/litegraph/src/'
- Replaced deep dist imports with direct source paths
- Updated CSS import in main.ts
- All imports now use the @ alias consistently

src/components/graph/selectionToolbox/ColorPickerButton.spec.ts

@@ -11,8 +11,8 @@ import { useCanvasStore } from '@/stores/graphStore'
 import { useWorkflowStore } from '@/stores/workflowStore'
 
 // Mock the litegraph module
-vi.mock('@comfyorg/litegraph', async () => {
-  const actual = await vi.importActual('@comfyorg/litegraph')
+vi.mock('@/lib/litegraph/src/litegraph', async () => {
+  const actual = await vi.importActual('@/lib/litegraph/src/litegraph')
   return {
     ...actual,
     LGraphCanvas: {

src/components/graph/selectionToolbox/ColorPickerButton.vue

@@ -44,13 +44,17 @@
 </template>
 
 <script setup lang="ts">
-import type { ColorOption as CanvasColorOption } from '@comfyorg/litegraph'
-import { LGraphCanvas, LiteGraph, isColorable } from '@comfyorg/litegraph'
 import Button from 'primevue/button'
 import SelectButton from 'primevue/selectbutton'
 import { computed, ref, watch } from 'vue'
 import { useI18n } from 'vue-i18n'
 
+import type { ColorOption as CanvasColorOption } from '@/lib/litegraph/src/litegraph'
+import {
+  LGraphCanvas,
+  LiteGraph,
+  isColorable
+} from '@/lib/litegraph/src/litegraph'
 import { useCanvasStore } from '@/stores/graphStore'
 import { useWorkflowStore } from '@/stores/workflowStore'
 import { useColorPaletteStore } from '@/stores/workspace/colorPaletteStore'

src/components/graph/selectionToolbox/ExecuteButton.vue

@@ -19,11 +19,11 @@
 </template>
 
 <script setup lang="ts">
-import type { LGraphNode } from '@comfyorg/litegraph'
 import Button from 'primevue/button'
 import { computed, ref } from 'vue'
 import { useI18n } from 'vue-i18n'
 
+import type { LGraphNode } from '@/lib/litegraph/src/litegraph'
 import { useCommandStore } from '@/stores/commandStore'
 import { useCanvasStore } from '@/stores/graphStore'
 import { isLGraphNode } from '@/utils/litegraphUtil'