big help upgrades

- short descriptions for command list
  - argument descriptions
  - render argument list on detailed help page

commands/message/fun/inferkit.js

@@ -12,6 +12,7 @@ module.exports = {
   label: 'text',
   metadata: {
     description: 'Uses InferKit to generate text from a small input snippet.',
+    description_short: 'AI text generation',
     examples: ['complete The Fitness Gram Pacer'],
     category: 'fun',
     usage: 'inferkit <prompt>'