Added progress bar in pdf protect feature

[pragya-manna]

🔀 Pull Request

📌 Issue Reference

Closes #627

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📝 Summary

What issue does this fix?

• Added a password strength indicator for the Protect PDF feature.
• Added a password requirements checklist that appears when hovering over the strength bar.
• Disabled the "Protect PDF" button until all password requirements are met and both passwords match.

What major changes were made?'

Made the necessary frontend changes only.

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📸 Screenshots

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✅ Checklist

• My code follows the project's coding conventions
• I have tested all impacted features
• I have updated or added necessary documentation

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🔗 Related Issues / PRs

Issue #627

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🏅 Open Source Program Participation

GSSoC 2026

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💬 Additional Notes

This enhancement improves the overall user experience by providing real-time password strength feedback and clear password requirements before protecting the PDF.

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[pragya-manna]

Hi @Durgeshwar-AI,
I’ve submitted the pull request. Please do check it when you get a chance. Thank you!

[Durgeshwar-AI]

Hi @Durgeshwar-AI,
I’ve submitted the pull request. Please do check it when you get a chance. Thank you!

I am a little busy in some urgent work. I will surely merge all the eligible prs before the last date.