Bulk member invitation form

SketchSystems.spec

Bulk member invitation form
  Start
    enter allowed number of emails ->   Ready to save
    enter number of emails that exceeds plan limits -> Must upgrade plan
    enter number of emails that exceeds subscription limits -> Must upgrade subscription
  Must upgrade plan
    modify list of emails to within plan limits ->   Ready to save
    upgrade plan -> Must choose new plan
  Must upgrade subscription
    modify list of emails to within subscription limits ->   Ready to save
    click upgrade -> Upgrade pending
    dispatch buy_and_invite -> Upgrade pending
  Must choose new plan
    talk to sales and move to enterprise -> Start
    self-serve starter to pro -> Start
  Ready to save
    click invite -> Invitation pending
  Upgrade pending
    succeeds -> Upgrade succeeded
    fails -> Upgrade failed
  Invitation pending
    succeeds -> Invitation succeeded
    fails -> Invitation failed
  Upgrade succeeded
    click invite -> Invitation pending
  Upgrade failed
    reach out to support -> Start
  Invitation succeeded
  Invitation failed

SketchSystems_prototype.js

function render(model){
  let current_state_name = model.active_states[0].name;
  return $("h1",
           {style: {color: "darkBlue"}},
           `The current state is: ${current_state_name}`);
}