Give some API properties priority in autocomplete.

app/schemas/models/level_component.coffee

@@ -91,6 +91,12 @@ PropertyDocumentationSchema = c.object {
         {title: 'Description', type: 'string', description: 'Description of the return value.', maxLength: 1000}
       ]
     i18n: { type: 'object', format: 'i18n', props: ['description'], description: 'Help translate this return value'}
+  autoCompletePriority:
+    type: 'number'
+    title: 'Autocomplete Priority'
+    description: 'How important this property is to autocomplete.'
+    minimum: 0
+    default: 1.0
 
 DependencySchema = c.object {
   title: 'Component Dependency'

app/views/play/level/tome/SpellView.coffee

@@ -436,6 +436,7 @@ module.exports = class SpellView extends CocoView
             meta: $.i18n.t('keyboard_shortcuts.press_enter', defaultValue: 'press enter')
             name: doc.name
             tabTrigger: doc.snippets[e.language].tab
+            importance: doc.autoCompletePriority ? 1.0
           haveFindNearestEnemy ||= doc.name is 'findNearestEnemy'
           haveFindNearest ||= doc.name is 'findNearest'
           if doc.name is 'attack'