TUI Validate

Overview

This skill validates Terminal User Interface (TUI) applications by capturing their output and using LLM-as-judge for semantic validation. It leverages freeze from Charmbracelet for high-fidelity terminal screenshots and provides structured validation criteria.

Philosophy: Rather than brittle string matching, this skill uses semantic understanding to validate that TUI output "looks right" - checking layout, content presence, and visual hierarchy without breaking on minor formatting changes.

When to Use

• Validating TUI rendering after changes
• Checking that UI components display correctly
• Visual regression testing for terminal applications
• Verifying TUI state after specific interactions
• Creating documentation screenshots with validation

Prerequisites