Confirm calving inline form

SketchSystems.spec

Confirm calving inline form
  Invisible
    confirm calving -> Visible
  Visible&
    focus elsewhere -> Invisible
    Calving time selector
      modify calving time -> Modified
      Default
      Modified
    Calf list
      add a calf -> Multiple
      Single
      Multiple
        remove calf 2 -> Single
        remove calf n -> Multiple
    Difficulty selector
      easy -> Easy
      difficult -> Difficult
      assisted -> Assisted
      c-section -> C-Section
      Easy
      Difficult
      Assisted
      C-Section
    Condition list
      add a condition -> Some
      None
      Some
        remove last condition -> None
        remove condition -> Some

SketchSystems_prototype.js

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