[Admin Core] Emit `RoleGranted` on successful grant

[p3ris0n]

Bucket: Core RBAC Administrative Functions

Description: Build out the administrative logic for: Emit RoleGranted on successful grant.

Step-by-Step Implementation Guide:

1. Navigate to contracts/admin core module.
2. Add the logic for Emit RoleGranted on successful grant.
3. Ensure visibility is correctly set (public/external/internal).

Acceptance Criteria:

• Function logic operates securely
• Events/Errors are properly defined/emitted
• No unauthorized state modifications

Complexity Level: Advanced (200 points)

[drips-wave]

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

🧑‍💻 @EmeditWeb: 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 marked as completed by a Drips Wave moderator for @EmeditWeb as part of the Stellar Wave Program's 7th Wave 🥳

Moderator's reason: [Auto-assessed] PR #551 was merged, successfully implementing the RoleGranted event emission in the admin core module as required. The contributor addressed maintainer requests regarding conflicts and CI, and the PR includes comprehensive tests verifying the fix.

😎 @EmeditWeb: 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.

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

ℹ️ Note: This issue was marked complete via moderation. Points were issued even though the GitHub issue remains open.