Frontend: Add client-side validation for large files

[Smartdevs17]

Problem

No file size validation.

Proposed Solution

Add client validation.

Acceptance Criteria

• Check file size
• Check file type
• Show error before upload
• Configurable limits

Technical Notes

• Files: frontend/app/dashboard/projects/new/page.tsx

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[5elc0uth]

@5elc0uth has applied to work on this issue as part of the Stellar Wave Program's 3rd wave.

I’d like to work on this because it improves the upload experience in a simple but useful way by catching file issues early and giving users clear feedback before they run into errors.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @5elc0uth to this issue.

[drips-wave]

Congratulations, @eischideraa-unn! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on March 30, 2026.

🧑‍💻 @eischideraa-unn: Please resolve the issue such that the repo's maintainers have enough time to review your contribution before the due date. You'll earn Points for completing the issue on-time, which will make you eligible for a share of the Stellar Wave Program's reward pool.

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[Ogstevyn]

@Ogstevyn has applied to work on this issue as part of the Stellar Wave Program's 3rd wave.

i would love to resolve this issue

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[ayush99336]

@ayush99336 has applied to work on this issue as part of the Stellar Wave Program's 3rd wave.

Greetings! I have experience with Frontend development and can implement this client-side file validation. I’ve reviewed the requirements for adding size and type checks to the project creation page, and I’m ready to set up configurable limits and error handling to catch issues before the upload starts. I estimate about 2 hours to update the page logic and ensure the validation UI is clear and responsive.

I’d like to start work on this as soon as you assign it to me. Thank you, looking forward to working with you!

ℹ️ Repo Maintainers: To accept this application, review their application or assign @ayush99336 to this issue.