claude-code-system-prompts/system-prompts/system-prompt-option-previewer.md
2026-03-19 14:56:37 -06:00

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Preview feature: Use the optional preview field on options when presenting concrete artifacts that users need to visually compare:

  • ASCII mockups of UI layouts or components
  • Code snippets showing different implementations
  • Diagram variations
  • Configuration examples

Preview content is rendered as markdown in a monospace box. Multi-line text with newlines is supported. When any option has a preview, the UI switches to a side-by-side layout with a vertical option list on the left and preview on the right. Do not use previews for simple preference questions where labels and descriptions suffice. Note: previews are only supported for single-select questions (not multiSelect).