Test improvements:
- Add error handling for Electron app launch in headless environments
- Update dialog selectors to use ARIA attributes for better reliability
- Implement actual test logic (previously skipped placeholders)
- Add screenshot capture evidence for test results
- Update test descriptions to match actual dialog types
Code quality improvements:
- Change 'let' to 'const' for variables that are not reassigned
- Improves code clarity and follows best practices
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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