Add platform role and permission service tests

[pragmaticAweds]

Context

The platform role/permission controllers contain important authorization setup logic: duplicate permission detection, role creation, permission validation, role editing, and delete constraints. There are currently no focused tests under src/__tests__ for these paths.

Scope

• Add tests for adding permissions and rejecting duplicates
• Add tests for deleting permissions that do and do not belong to roles
• Add tests for role creation with valid, missing, duplicate, and invalid permissions
• Add tests for role editing and deleting non-super-admin roles
• Verify expected ConflictError, NotFoundError, BadRequestError, and InvalidRequestError behavior
• Cover permission transformation utilities where controller tests are too heavy

Out of Scope

• Changing the platform permissions model
• Adding new platform endpoints
• UI/admin dashboard work

Acceptance Criteria

• Platform role/permission behavior has regression tests
• Error cases return or throw the expected project error types
• Tests do not require a live database
• bun run type-check passes
• bun run test passes
• bun run lint passes

Suggested Files or Packages

• src/components/v1/platform/
• src/components/v1/platform/platformControllers/permission.controller.ts
• src/components/v1/platform/platform.utils.ts
• src/__tests__/

[Oluwasuyi-Timilehin]

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

Hello maintainer, please assign me to this task. i would get started immediately
ETA 1hour

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

[OluRemiFour]

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

I've reviewed the task and have a clear implementation plan. Looking forward to contributing with a quality PR.

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

[drips-wave]

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

🧑‍💻 @Oluwasuyi-Timilehin: 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

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