aprender-test-showcase 0.50.0

100% test coverage calculator showcase demonstrating Probar TUI + WASM testing
Documentation 
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name: "Calculator Accessibility Configuration"
wcag_level: "AA"
description: "WCAG 2.1 AA compliance configuration for calculator"

color_contrast:
  minimum_ratio: 4.5
  large_text_ratio: 3.0
  themes:
    light:
      background: "#FFFFFF"
      display_text: "#212121"
      button_text: "#212121"
      verified_ratio: 15.9
    dark:
      background: "#212121"
      display_text: "#FFFFFF"
      button_text: "#FFFFFF"
      verified_ratio: 15.9
    high_contrast:
      background: "#000000"
      display_text: "#FFFF00"
      button_text: "#FFFFFF"
      verified_ratio: 21.0

aria_labels:
  display:
    role: "status"
    aria_live: "polite"
    aria_label: "Calculator display"
  buttons:
    digit_pattern: "Digit {n}"
    operator_pattern: "{op} operator"
    equals: "Calculate result"
    clear: "Clear all"
    clear_entry: "Clear entry"

keyboard_navigation:
  tab_order:
    - display
    - digit_buttons
    - operator_buttons
    - action_buttons
  shortcuts:
    - key: "Enter"
      action: "equals"
    - key: "Escape"
      action: "clear"
    - key: "Backspace"
      action: "clear_entry"
    - keys: "0-9"
      action: "digit_input"
    - keys: "+-*/"
      action: "operator_input"

focus_indicators:
  style: "outline"
  color: "#2196F3"
  width: "3px"
  offset: "2px"

screen_reader:
  announcements:
    on_result: "Result is {value}"
    on_error: "Error: {message}"
    on_clear: "Calculator cleared"
  flow:
    - "Calculator application"
    - "Display shows {current_value}"
    - "Keypad with {button_count} buttons"