Restructure omni services and add Chatwoot research snapshot

research/chatwoot/app/services/contacts/bulk_delete_service.rb

@@ -0,0 +1,18 @@
+class Contacts::BulkDeleteService
+  def initialize(account:, contact_ids: [])
+    @account = account
+    @contact_ids = Array(contact_ids).compact
+  end
+
+  def perform
+    return if @contact_ids.blank?
+
+    contacts.find_each(&:destroy!)
+  end
+
+  private
+
+  def contacts
+    @account.contacts.where(id: @contact_ids)
+  end
+end