Pluralize module folder names consistently

[mercy60]

Internal ID: #48

Imported from ISSUES.md via scripts/import-issues.mjs.

Problem Statement. backend/src/ has progress/, analytics/, reward-shop/, user-ranking/, puzzle-category/ — some singular, some plural, some hyphenated. Pick one style.

Expected Outcome. Use kebab-case singular for module folders; align with NestJS conventions.

Acceptance Criteria.

• Renamed folders + updated all imports.

Implementation Notes.

• Automate with a codemod.

Files / modules affected.

• backend/src/

Dependencies. None.

Difficulty / Effort. Easy / S (≈ 3 hours).

Labels. area:backend, lint

[onyemaechiezekiel9]

@onyemaechiezekiel9 has applied to work on this issue as part of the Stellar Wave Program's 7th wave.

Hello, I have gone through the issue and I would love to work on this swiftly

ℹ️ Repo Maintainers: To accept this application, review their application or assign @onyemaechiezekiel9 to this issue.

[monique-7arch]

@monique-7arch has applied to work on this issue as part of the Stellar Wave Program's 7th wave.

Hi, I'd like to take this on.

I'm a full-stack developer with solid experience in modern JavaScript/TypeScript, REST APIs, and frontend frameworks like React. I enjoy working in open source and following existing project conventions.

I've looked into this issue closely and I'm confident in my ability to deliver a high-quality implementation here.

I'd love the opportunity to work on this — please consider assigning it to me.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @monique-7arch to this issue.

[drips-wave]

Congratulations, @monique-7arch! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on July 30, 2026.

🧑‍💻 @monique-7arch: 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.

Warning

When opening a PR, please link it to this issue to ensure it gets tracked accurately. Points are awarded when this issue is marked as completed by the maintainer.

🤠 Repo maintainers: Please keep an eye on the contributor's progress and review their work before the due date. You can manage this issue, including adjusting its complexity and points, here.

🌊 Happy Wave 🌊

[drips-wave]

This issue has been completed by @monique-7arch as part of the Stellar Wave Program's 7th Wave 🥳

😎 @monique-7arch: 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.

🧑‍💻 Repo maintainers: How'd the contributor do? Leave a review to share your experience working with them.