A merchant wants to experiment with design elements in the theme editor - button colors, font choices, border thickness, opacity. They're not comfortable editing Liquid code; they want to click, preview, save. The question for the developer: how do you expose the right knobs to the theme editor without giving merchants a way to break the theme?
The theme-editor control surface
Shopify themes have a specific file that controls which settings merchants see in the theme editor: config/settings_schema.json.
This schema defines:
Theme settings - global controls (site typography, brand colors, button defaults)
