Create invisible quick reply in your Quick Reply Set, set to Execute on AI message.

Create invisible quick reply in your Quick Reply Set, set to Execute on AI message.
Add /trigger if you want to trigger generation after deleting swipe.

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/if left={{lastCharMessage}} rule=in right="HTTP 503"
          else={:
            /if left={{lastCharMessage}} rule=in right="HTTP 500"
              else={:
                /if left={{lastCharMessage}} rule=in right="HTTP 400"
                  else={:
                    /if left={{lastCharMessage}} rule=eq right={{noop}} {:
                      /if left={{lastSwipeId}} rule=gt right=1
                        else={:
                          /cut {{lastMessageId}}
                        :}
                        "/delswipe" |
                        /echo Empty message detected, swipe removed. :}
                      :}
                    {:
                      /if left={{lastSwipeId}} rule=gt right=1
                        else={:
                          /cut {{lastMessageId}}:}
                        "/delswipe" |
                        /echo HTTP error 500 detected, swipe removed.
                    :}
                  :}
                  {:
                    /if left={{lastSwipeId}} rule=gt right=1
                        else={:
                          /cut {{lastMessageId}}:}
                      "/delswipe" |
                      /echo HTTP error 400 detected, swipe removed.:}
            :}
          {:
                /if left={{lastSwipeId}} rule=gt right=1
                  else={:
                    /cut {{lastMessageId}}:}
                  "/delswipe" |
                  /echo HTTP error 503 detected, swipe removed.
          :}