improvement(folder-selection): folder deselection + selection order should match visual

apps/sim/app/workspace/[workspaceId]/w/components/sidebar/components/workflow-list/workflow-list.tsx

@@ -146,23 +146,77 @@ export function WorkflowList({
   const orderedWorkflowIds = useMemo(() => {
     const ids: string[] = []
 
-    const collectWorkflowIds = (folder: FolderTreeNode) => {
+    const collectFromFolder = (folder: FolderTreeNode) => {
       const workflowsInFolder = workflowsByFolder[folder.id] || []
-      for (const workflow of workflowsInFolder) {
-        ids.push(workflow.id)
+      const childItems: Array<{
+        type: 'folder' | 'workflow'
+        id: string
+        sortOrder: number
+        createdAt?: Date
+        data: FolderTreeNode | WorkflowMetadata
+      }> = []
+      for (const child of folder.children) {
+        childItems.push({
+          type: 'folder',
+          id: child.id,
+          sortOrder: child.sortOrder,
+          createdAt: child.createdAt,
+          data: child,
+        })
       }
-      for (const childFolder of folder.children) {
-        collectWorkflowIds(childFolder)
+      for (const wf of workflowsInFolder) {
+        childItems.push({
+          type: 'workflow',
+          id: wf.id,
+          sortOrder: wf.sortOrder,
+          createdAt: wf.createdAt,
+          data: wf,
+        })
+      }
+      childItems.sort(compareByOrder)
+      for (const item of childItems) {
+        if (item.type === 'workflow') {
+          ids.push(item.id)
+        } else {
+          collectFromFolder(item.data as FolderTreeNode)
+        }
       }
     }
 
+    const rootLevelItems: Array<{
+      type: 'folder' | 'workflow'
+      id: string
+      sortOrder: number
+      createdAt?: Date
+      data: FolderTreeNode | WorkflowMetadata
+    }> = []
     for (const folder of folderTree) {
-      collectWorkflowIds(folder)
+      rootLevelItems.push({
+        type: 'folder',
+        id: folder.id,
+        sortOrder: folder.sortOrder,
+        createdAt: folder.createdAt,
+        data: folder,
+      })
     }
+    const rootWfs = workflowsByFolder.root || []
+    for (const wf of rootWfs) {
+      rootLevelItems.push({
+        type: 'workflow',
+        id: wf.id,
+        sortOrder: wf.sortOrder,
+        createdAt: wf.createdAt,
+        data: wf,
+      })
+    }
+    rootLevelItems.sort(compareByOrder)
 
-    const rootWorkflows = workflowsByFolder.root || []
-    for (const workflow of rootWorkflows) {
-      ids.push(workflow.id)
+    for (const item of rootLevelItems) {
+      if (item.type === 'workflow') {
+        ids.push(item.id)
+      } else {
+        collectFromFolder(item.data as FolderTreeNode)
+      }
     }
 
     return ids
@@ -185,13 +239,35 @@ export function WorkflowList({
     return ids
   }, [folderTree])
 
+  const workflowFolderMap = useMemo(() => {
+    const map: Record<string, string> = {}
+    for (const wf of regularWorkflows) {
+      if (wf.folderId) {
+        map[wf.id] = wf.folderId
+      }
+    }
+    return map
+  }, [regularWorkflows])
+
+  const folderWorkflowIds = useMemo(() => {
+    const map: Record<string, string[]> = {}
+    for (const [folderId, workflows] of Object.entries(workflowsByFolder)) {
+      if (folderId !== 'root') {
+        map[folderId] = workflows.map((w) => w.id)
+      }
+    }
+    return map
+  }, [workflowsByFolder])
+
   const { handleWorkflowClick } = useWorkflowSelection({
     workflowIds: orderedWorkflowIds,
     activeWorkflowId: workflowId,
+    workflowFolderMap,
   })
 
   const { handleFolderClick } = useFolderSelection({
     folderIds: orderedFolderIds,
+    folderWorkflowIds,
   })
 
   const isWorkflowActive = useCallback(

apps/sim/app/workspace/[workspaceId]/w/components/sidebar/hooks/use-folder-selection.ts

@@ -6,17 +6,22 @@ interface UseFolderSelectionProps {
    * Flat array of all folder IDs in display order
    */
   folderIds: string[]
+  /**
+   * Map from folder ID to the workflow IDs directly inside that folder
+   */
+  folderWorkflowIds: Record<string, string[]>
 }
 
 /**
  * Hook for managing folder selection with support for single, range, and toggle selection.
  * Handles shift-click for range selection and cmd/ctrl-click for toggle selection.
  * Uses the last selected folder ID (tracked in store) as the anchor point for range selections.
+ * Enforces parent-child constraint: selecting a folder deselects workflows inside it.
  *
  * @param props - Hook props
  * @returns Selection handlers
  */
-export function useFolderSelection({ folderIds }: UseFolderSelectionProps) {
+export function useFolderSelection({ folderIds, folderWorkflowIds }: UseFolderSelectionProps) {
   const {
     selectedFolders,
     lastSelectedFolderId,
@@ -25,6 +30,25 @@ export function useFolderSelection({ folderIds }: UseFolderSelectionProps) {
     toggleFolderSelection,
   } = useFolderStore()
 
+  /**
+   * After a folder selection change, deselect any workflows whose parent folder is selected
+   * to prevent parent-child co-selection.
+   */
+  const deselectConflictingWorkflows = useCallback(() => {
+    const { selectedWorkflows: workflows, selectedFolders: folders } = useFolderStore.getState()
+    if (workflows.size === 0) return
+
+    for (const folderId of folders) {
+      const wfIdsInFolder = folderWorkflowIds[folderId]
+      if (!wfIdsInFolder) continue
+      for (const wfId of wfIdsInFolder) {
+        if (workflows.has(wfId)) {
+          useFolderStore.getState().deselectWorkflow(wfId)
+        }
+      }
+    }
+  }, [folderWorkflowIds])
+
   /**
    * Handle folder click with support for shift-click range selection and cmd/ctrl-click toggle
    *
@@ -34,24 +58,28 @@ export function useFolderSelection({ folderIds }: UseFolderSelectionProps) {
    */
   const handleFolderClick = useCallback(
     (folderId: string, shiftKey: boolean, metaKey: boolean) => {
-      // Cmd/Ctrl+Click: Toggle individual selection
       if (metaKey) {
         toggleFolderSelection(folderId)
-      }
-      // Shift+Click: Range selection from last selected folder to clicked folder
-      else if (shiftKey && lastSelectedFolderId && lastSelectedFolderId !== folderId) {
+        deselectConflictingWorkflows()
+      } else if (shiftKey && lastSelectedFolderId && lastSelectedFolderId !== folderId) {
         selectFolderRange(folderIds, lastSelectedFolderId, folderId)
-      }
-      // Shift+Click without anchor: Select only this folder (establishes anchor)
-      else if (shiftKey) {
+        deselectConflictingWorkflows()
+      } else if (shiftKey) {
         selectFolderOnly(folderId)
-      }
-      // Regular click: Select only this folder
-      else {
+        deselectConflictingWorkflows()
+      } else {
         selectFolderOnly(folderId)
+        deselectConflictingWorkflows()
       }
     },
-    [folderIds, lastSelectedFolderId, selectFolderOnly, selectFolderRange, toggleFolderSelection]
+    [
+      folderIds,
+      lastSelectedFolderId,
+      selectFolderOnly,
+      selectFolderRange,
+      toggleFolderSelection,
+      deselectConflictingWorkflows,
+    ]
   )
 
   return {

apps/sim/app/workspace/[workspaceId]/w/components/sidebar/hooks/use-workflow-selection.ts

@@ -10,22 +10,46 @@ interface UseWorkflowSelectionProps {
    * Active workflow ID (from URL) - used as anchor for range selection
    */
   activeWorkflowId: string | undefined
+  /**
+   * Map from workflow ID to its parent folder ID (only for workflows inside folders)
+   */
+  workflowFolderMap: Record<string, string>
 }
 
 /**
  * Hook for managing workflow selection with support for single, range, and toggle selection.
  * Handles shift-click for range selection and regular click for single selection.
  * Uses the active workflow ID as the anchor point for range selections.
+ * Enforces parent-child constraint: selecting a workflow deselects its parent folder.
  *
  * @param props - Hook props
  * @returns Selection handlers
  */
-export function useWorkflowSelection({ workflowIds, activeWorkflowId }: UseWorkflowSelectionProps) {
+export function useWorkflowSelection({
+  workflowIds,
+  activeWorkflowId,
+  workflowFolderMap,
+}: UseWorkflowSelectionProps) {
   const { selectedWorkflows, selectOnly, selectRange, toggleWorkflowSelection } = useFolderStore()
 
+  /**
+   * After a workflow selection change, deselect any folders that contain selected workflows
+   * to prevent parent-child co-selection.
+   */
+  const deselectConflictingFolders = useCallback(() => {
+    const { selectedWorkflows: workflows, selectedFolders: folders } = useFolderStore.getState()
+    if (folders.size === 0) return
+
+    for (const wfId of workflows) {
+      const folderId = workflowFolderMap[wfId]
+      if (folderId && folders.has(folderId)) {
+        useFolderStore.getState().deselectFolder(folderId)
+      }
+    }
+  }, [workflowFolderMap])
+
   /**
    * Handle workflow click with support for shift-click range selection and cmd/ctrl-click toggle.
-   * Does not clear folder selection to allow unified selection of workflows and folders.
    *
    * @param workflowId - ID of clicked workflow
    * @param shiftKey - Whether shift key was pressed
@@ -33,24 +57,27 @@ export function useWorkflowSelection({ workflowIds, activeWorkflowId }: UseWorkf
    */
   const handleWorkflowClick = useCallback(
     (workflowId: string, shiftKey: boolean, metaKey: boolean) => {
-      // Cmd/Ctrl+Click: Toggle individual selection
       if (metaKey) {
         toggleWorkflowSelection(workflowId)
-      }
-      // Shift+Click: Range selection from active workflow to clicked workflow
-      else if (shiftKey && activeWorkflowId && activeWorkflowId !== workflowId) {
+        deselectConflictingFolders()
+      } else if (shiftKey && activeWorkflowId && activeWorkflowId !== workflowId) {
         selectRange(workflowIds, activeWorkflowId, workflowId)
-      }
-      // Shift+Click without active workflow: Toggle selection
-      else if (shiftKey) {
+        deselectConflictingFolders()
+      } else if (shiftKey) {
         toggleWorkflowSelection(workflowId)
-      }
-      // Regular click: Select only this workflow (preserves folder selection for unified multi-select)
-      else {
+        deselectConflictingFolders()
+      } else {
         selectOnly(workflowId)
       }
     },
-    [workflowIds, activeWorkflowId, selectOnly, selectRange, toggleWorkflowSelection]
+    [
+      workflowIds,
+      activeWorkflowId,
+      selectOnly,
+      selectRange,
+      toggleWorkflowSelection,
+      deselectConflictingFolders,
+    ]
   )
 
   return {

apps/sim/stores/folders/store.ts

@@ -117,7 +117,12 @@ export const useFolderStore = create<FolderState>()(
 
       clearSelection: () => set({ selectedWorkflows: new Set() }),
 
-      selectOnly: (workflowId) => set({ selectedWorkflows: new Set([workflowId]) }),
+      selectOnly: (workflowId) =>
+        set({
+          selectedWorkflows: new Set([workflowId]),
+          selectedFolders: new Set(),
+          lastSelectedFolderId: null,
+        }),
 
       selectRange: (workflowIds, fromId, toId) => {
         const fromIndex = workflowIds.indexOf(fromId)