How to wrap field values into quotation marks?

[dronky]

Hi,
I'm using Astro with Keystatic. When I'm adding an image via field, it's not enclosing it in quotation marks which causes an issue finding it in the actual post because I'm using relative path with '..' characters.

Is there a way to wrap fields into quotation marks when using yaml format?

thanks!

export default config({
  storage: {
    kind: 'local',
  },
  collections: {
    posts: collection({
      label: 'Posts',
      slugField: 'title',
      path: 'src/content/blog/*',
      format: { contentField: 'content'},
      schema: {
        title: fields.slug({ name: { label: 'Title' } }),
        description: fields.text({ label: 'description' }),
        pubDate: fields.date({ label: 'publication date', defaultValue: formattedDate }),
        content: fields.markdoc({ label: 'Content' }),
        heroImage: fields.image({ label: 'preview', 
          directory: 'src/assets',
          publicPath: '../../assets'
        })
      },
    }),
  },
});