User clicks Delete button

UI Component (e.g., MailListItem.tsx)- handleDelete() called- Calls: deleteItems(itemIds, 'MoveToDeletedItems', ...)

deleteItems.ts::deleteItems()- Validates permissions- Checks retention policies- Shows confirmation if needed- Dispatches: deleteItemsWithoutConfirmDialog()

SatchelJS Action: deleteItemsWithoutConfirmDialog- Creates action message- Broadcasts to all registered orchestrators

deleteItems.ts::orchestrator()- Optimistic UI: deleteItemsStoreUpdate()- Call GraphQL: invokeDeleteItemMutation()- Setup undo action- Handle response/errors

deleteItems.ts::invokeDeleteItemMutation()- Formats data for Apollo- Calls: mutate(DeleteItemDocument, variables)

Apollo Client- Manages GraphQL request- Routes to registered resolver- Applies middleware (caching, queuing)

deleteItemMutationWeb.ts::deleteItemMutationWeb()- Receives GraphQL args- Extracts: itemIds, disposalType, mailboxInfo- Calls: deleteItemService()- Transforms response to GraphQL format

deleteItemService.ts::deleteItemService()- Builds EWS request structure- Configures: ItemIds, DeleteType, options- Calls: deleteItemOperation()

deleteItemOperation.ts::deleteItemOperation()- Calls: makeServiceRequest('DeleteItem', req)

ServiceRequest.ts::makeServiceRequest()- Constructs URL: service.svc?action=DeleteItem- Adds headers (auth, canary, tenant)- Makes HTTP POST with fetch()

Exchange Server (service.svc)- Processes delete request- Moves item to Deleted Items or soft deletes- Returns success/error response

Flowchart DeleteItem workflow