[feat] integrate asset browser with widget system (#5629)

## Summary

Add asset browser dialog integration for combo widgets with full
animation support and proper state management.

(Thank you Claude from saving me me from merge conflict hell on this
one.)

## Changes

- Widget integration: combo widgets now use AssetBrowserModal for
eligible asset types
- Dialog animations: added animateHide() for smooth close transitions
- Async operations: proper sequencing of widget updates and dialog
animations
- Service layer: added getAssetsForNodeType() and getAssetDetails()
methods
- Type safety: comprehensive TypeScript types and error handling
- Test coverage: unit tests for all new functionality
- Bonus: fixed the hardcoded labels in AssetFilterBar

Widget behavior:
- Shows asset browser button for eligible widgets when asset API enabled
- Handles asset selection with proper callback sequencing
- Maintains widget value updates and litegraph notification

## Review Focus

I will call out some stuff inline.

## Screenshots


https://github.com/user-attachments/assets/9d3a72cf-d2b0-445f-8022-4c49daa04637

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-5629-feat-integrate-asset-browser-with-widget-system-2726d73d365081a9a98be9a2307aee0b)
by [Unito](https://www.unito.io)

---------

Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: GitHub Action <action@github.com>

src/platform/assets/components/AssetBrowserModal.vue

@@ -12,7 +12,7 @@
         :nav-items="availableCategories"
       >
         <template #header-icon>
-          <i-lucide:folder class="size-4" />
+          <div class="icon-[lucide--folder] size-4" />
         </template>
         <template #header-title>{{ $t('assetBrowser.browseAssets') }}</template>
       </LeftSidePanel>
@@ -37,7 +37,7 @@
 </template>
 
 <script setup lang="ts">
-import { computed } from 'vue'
+import { computed, provide } from 'vue'
 
 import SearchBox from '@/components/input/SearchBox.vue'
 import BaseModalLayout from '@/components/widget/layout/BaseModalLayout.vue'
@@ -46,6 +46,7 @@ import AssetGrid from '@/platform/assets/components/AssetGrid.vue'
 import type { AssetDisplayItem } from '@/platform/assets/composables/useAssetBrowser'
 import { useAssetBrowser } from '@/platform/assets/composables/useAssetBrowser'
 import type { AssetItem } from '@/platform/assets/schemas/assetSchema'
+import { OnCloseKey } from '@/types/widgetTypes'
 
 const props = defineProps<{
   nodeType?: string
@@ -61,35 +62,28 @@ const emit = defineEmits<{
   close: []
 }>()
 
-// Use AssetBrowser composable for all business logic
+provide(OnCloseKey, props.onClose ?? (() => {}))
+
 const {
   searchQuery,
   selectedCategory,
   availableCategories,
   contentTitle,
   filteredAssets,
-  selectAsset
+  selectAssetWithCallback
 } = useAssetBrowser(props.assets)
 
-// Dialog controls panel visibility via prop
 const shouldShowLeftPanel = computed(() => {
   return props.showLeftPanel ?? true
 })
 
-// Handle close button - call both the prop callback and emit the event
 const handleClose = () => {
   props.onClose?.()
   emit('close')
 }
 
-// Handle asset selection and emit to parent
-const handleAssetSelectAndEmit = (asset: AssetDisplayItem) => {
-  selectAsset(asset) // This logs the selection for dev mode
-  emit('asset-select', asset) // Emit the full asset object
-
-  // Call prop callback if provided
-  if (props.onSelect) {
-    props.onSelect(asset.name) // Use asset name as the asset path
-  }
+const handleAssetSelectAndEmit = async (asset: AssetDisplayItem) => {
+  emit('asset-select', asset)
+  await selectAssetWithCallback(asset.id, props.onSelect)
 }
 </script>