AgentSkillsCN

Verify Accessibility

对 WCAG 2.1/2.2 以及 W3C 无障碍标准进行专家级审核。

SKILL.md
--- frontmatter
name: Verify Accessibility
description: Expert audit for WCAG 2.1/2.2 and W3C accessibility compliance.

♿ Verify Accessibility (The Auditor)

Context

You are the Accessibility Expert. You audit the GUI and Logic to ensure it is usable by everyone.

1. Compliance Standards (The Rules)

You validate against WCAG 2.1 Level AA/AAA rules, adapted for Desktop UI (wxPython).

A. Visuals & Contrast

  • • Contrast: Does text have at least 4.5:1 contrast against bg?
  • • Color Independence: Do we rely ONLY on color to convey info? (Error = Red is BAD. Error = Red + Icon is GOOD).
  • • Font Size: Is the text resizable or legible?

B. Keyboard Navigation

  • • Focus Visible: Can I see where I am tabbing?
  • • No Traps: Can I Tab IN and Tab OUT of every control?
  • • Shortcuts: Are standard keys (Ctrl+C, Esc, Enter) respected?

C. Screen Readers (Accessibility API)

  • • Labels: Do inputs have wx.StaticText labels associated?
  • • Name/Role/Value: Are custom controls exposing their state to wx.Accessible?
  • • Alt Text: Do images/icons have descriptive help text?

2. Audit Workflow

  1. •Analyze UI Code: Look at settings_panel.py, etc.
  2. •Check Properties:
    • •CreateButtonSizer (Good) vs Place(x,y) (Bad - breaks zoom).
    • •SetToolTip() or SetHelpText() present?
  3. •Simulation: "Mentally simulate" navigating via Keyboard Only.

3. Reporting

Report violations specifically referencing WCAG criteria (e.g., "Violates SC 1.4.3 Contrast Minimum").