Standardize Error Handling

[ayshadogo]

Description:
Inconsistent error handling across modules

Tasks:

• Create custom exception classes for different error types
• Implement global exception filter
• Standardize error response format
• Document error codes and meanings

[bobo-24]

Hi! I came across this issue and would love to work on it. I have experience with similar tasks and I'm confident I can investigate, implement a clean solution, and thoroughly test it before submitting a PR. If the issue is still open, I would appreciate it if you could assign it to me. I’ll prioritize this immediately and ensure a reliable solution is delivered as soon as possible. Thank you!

[ojuotimi932]

@ojuotimi932 has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

I have reviewed the description of the issue above and I'm confident I can resolve it.
PR submitted in one hour

ℹ️ Repo Maintainers: To accept this application, review their application or assign @ojuotimi932 to this issue.

[kelvin1738-sys]

@kelvin1738-sys has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

Hello, I've carefully reviewed the issue description and have a solid understanding of the expected outcome. I'd be happy to work on this issue and deliver a solution that meets the project's requirements.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @kelvin1738-sys to this issue.

[gideonpius7-design]

@gideonpius7-design has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

I am keen to take on this issue as I have extensive experience setting up global error handling patterns, custom exception classes, and standardized API error responses across Node.js/TypeScript and Express microservices

ℹ️ Repo Maintainers: To accept this application, review their application or assign @gideonpius7-design to this issue.

[paulpeter32-coder]

@paulpeter32-coder has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

Hi maintainer I'm a fullstack developer and I would love to work on this issue

ℹ️ Repo Maintainers: To accept this application, review their application or assign @paulpeter32-coder to this issue.

[oladev2026-tech]

@oladev2026-tech has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

Hi maintainer! can i work on this task. Kindly assign

ℹ️ Repo Maintainers: To accept this application, review their application or assign @oladev2026-tech to this issue.

[drips-wave]

Congratulations, @oladev2026-tech! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on August 31, 2026.

🧑‍💻 @oladev2026-tech: 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 @oladev2026-tech as part of the Stellar Wave Program's 8th Wave 🥳

😎 @oladev2026-tech: 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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