fix: improve accessibility for interactive elements

[srinidhi-2006-bit]

Summary

Improved accessibility across interactive UI elements by adding missing accessibility attributes and enhancing screen reader support.

Closes #996

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Type of Change

• Accessibility improvement
• Bug fix
• New feature
• Refactor / code cleanup

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Changes Made

• Added missing aria-label attributes to interactive elements
• Added aria-pressed state to account selection buttons
• Improved screen reader support for account switching
• Enhanced accessibility semantics for user profile and sign-out controls
• Improved overall accessibility compliance and user experience

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How to Test

1. Run the application locally
2. Navigate through the interface using keyboard controls
3. Verify account selection buttons expose their selected state
4. Inspect interactive elements using browser accessibility tools
5. Confirm screen readers announce controls with meaningful labels

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Screenshots (if UI change)

N/A

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Checklist

• Linked issue in summary
• npm run lint passes locally
• No TypeScript errors (npm run type-check)
• Self-reviewed the diff
• Added/updated tests if applicable

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Accessibility Improvements

• Added accessible labels for profile and sign-out related controls
• Added aria-pressed for account selection buttons
• Improved support for screen readers and keyboard navigation

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Additional Notes

These changes improve accessibility without affecting existing functionality or UI behavior.

[vercel]

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[github-actions]

GSSoC Label Checklist 🏷️

@Priyanshu-byte-coder — please apply the appropriate labels before merging:

Difficulty (pick one):

• level:beginner — 20 pts
• level:intermediate — 35 pts
• level:advanced — 55 pts
• level:critical — 80 pts

Quality (optional):

• quality:clean — ×1.2 multiplier
• quality:exceptional — ×1.5 multiplier

Validation (required to score):

• gssoc:approved — counts for points
• gssoc:invalid / gssoc:spam / gssoc:ai-slop — does not score

Type labels (type:*) are auto-detected from files and title. Review and adjust if needed.
Points formula: (difficulty × quality_multiplier) + type_bonus

[srinidhi-2006-bit]

Hi @Priyanshu-byte-coder,

I've completed the accessibility improvements and submitted the PR for review. If everything looks good, could you please add the gssoc:approved label before merging?

Thank you!

[github-actions]

🎉 Merged! Thanks for contributing to DevTrack.

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