Introduce configurable guardian role for emergency actions

[Baskarayelu]

Introduce configurable guardian role for emergency actions

Description

• Emergency controls rely solely on owner/governance, slowing response in critical incidents.

Requirements and context

• Guardian should have limited emergency-only powers.
• Governance retains ultimate control and revocation ability.

Suggested execution

• Add guardian role with scoped permissions (pause, cap reductions, etc.).
• Emit events on guardian assignment/revocation and actions.

Test and commit

• Add tests for allowed and disallowed guardian operations.
• Verify owner/governance can revoke guardian immediately.

Example commit message

• feat(contracts): add scoped guardian role for emergencies

Guidelines

• Keep least-privilege boundaries strict.
• Avoid granting upgrade authority to guardian.

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[codenerde]

@codenerde has applied to work on this issue as part of the Stellar Wave Program's 3rd wave.

Good day maintainer, please I'd love to work on this project sir. I'd ensure I send them ASAP 😊

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

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