External feed item statuses

flowchart
    subgraph example.com/rss.xml
      1([example.com/post/1])
      2([example.com/post/2])
      3([example.com/post/3])
    end
    3 e1@--> not_started[Not started]
    not_started e2@--> |If published before the feed was added| irrelevant[Irrelevant]
    not_started e3@--> |If feed is inactive| skipped[Skipped]
    not_started e4@--> queued[Queued]
    queued e5@--> processed[Processed]
    queued e6@--> errored[Errored]
    processed e7@--> Email>email.created]
    e1@{ animate: true }
    e2@{ animate: true }
    e3@{ animate: true }
    e4@{ animate: true }
    e5@{ animate: true }
    e6@{ animate: true }
    e7@{ animate: true }