Implement Chat Theme Customization

[SudiptaPaul-31]

Feature: Chat Theme Customization

Description
Allow users to customize chat appearance.

Tasks

• Add theme settings modal
• Support multiple color themes
• Persist theme preferences locally
• Update UI dynamically

Acceptance Criteria

• Theme changes without refresh
• Settings persist across sessions
• No layout breaking issues

[superstarflayce]

@superstarflayce has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

Hello! I'm interested in working on this issue. I'll analyze the requirements, implement the requested changes, ensure everything works as expected, and submit a well-documented pull request. Looking forward to contributing.

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[Songu3020]

@Songu3020 has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

Hello, I’m a full stack developer with hands-on experience building with variety of tools including Nextjs, nodejs, nestjs, React, Typescript and more

I focus on writing clear, maintainable code and making sure features work as expected end to end, not just in isolation. I communicate progress regularly and keep things transparent as I work. I’m confident I can complete this task within an ETA of 4 HOURS

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[dotmantissa]

@dotmantissa has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

Please, assign this issue to me.

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[Mitch5000]

@Mitch5000 has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

Hi Boss... I can handle this professionally and make sure that your issue is closed quickly without errors.

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[drips-wave]

Congratulations, @dotmantissa! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on June 30, 2026.

🧑‍💻 @dotmantissa: 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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[drips-wave]

This issue has been completed by @dotmantissa as part of the Stellar Wave Program's 6th Wave 🥳

😎 @dotmantissa: You earned 200 Points for completing this issue! After the current Wave ends, you'll be eligible for a percentage of the Wave's reward pool based on the percentage of total points you've earned. Learn more here. You can also Leave a review to share your experience working on this issue.

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