Issues #31: Implement AdminModule and AdminService

[JSE19]

Description: The admin controller endpoints are defined in the issues but the AdminService containing business logic and the AdminModule wiring it together are never created. Without this module, all admin endpoints throw dependency injection errors.

Acceptance Criteria:

AdminService implements: getOpenDisputes(), resolveDispute(), getPlatformStats(), listAllEscrows()
AdminModule imports DisputeModule, EscrowModule, and exports AdminService
AdminGuard registered within the module
All admin controller methods delegate to AdminService
Unit tested

[CHKM001]

@CNduka001 has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

I want to work on this, because the project first off, makes a liot of sense
Also, I belive I can offer a lot to the task
Please waste no time, in assigning this mattias
Cheers!!

ℹ️ Repo Maintainers: To accept this application, review their application or assign @CNduka001 to this issue.

[nonso7]

@nonso7 has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

Can i work on this issue

ℹ️ Repo Maintainers: To accept this application, review their application or assign @nonso7 to this issue.

[drips-wave]

Congratulations, @nonso7! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on June 2, 2026.

🧑‍💻 @nonso7: 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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