feat: add bulk context menu for multi-asset selection (#7923)

src/platform/assets/composables/useAssetSelection.ts

@@ -88,6 +88,22 @@ export function useAssetSelection() {
     return allAssets.filter((asset) => selectionStore.isSelected(asset.id))
   }
 
+  /**
+   * Get the output count for a single asset
+   * Same logic as in AssetsSidebarTab.vue
+   */
+  function getOutputCount(item: AssetItem): number {
+    const count = item.user_metadata?.outputCount
+    return typeof count === 'number' && count > 0 ? count : 1
+  }
+
+  /**
+   * Get the total output count for given assets
+   */
+  function getTotalOutputCount(assets: AssetItem[]): number {
+    return assets.reduce((sum, asset) => sum + getOutputCount(asset), 0)
+  }
+
   /**
    * Activate key event listeners (when sidebar opens)
    */
@@ -116,6 +132,8 @@ export function useAssetSelection() {
     selectAll,
     clearSelection: () => selectionStore.clearSelection(),
     getSelectedAssets,
+    getOutputCount,
+    getTotalOutputCount,
     reset: () => selectionStore.reset(),
 
     // Lifecycle management