Implement Emergency Pause Mechanism

[Abd-Standard]

Description
Introduce a pause mechanism that allows administrators to temporarily suspend notification-related operations during emergencies.

Acceptance Criteria
Only authorized accounts can pause or unpause the contract.
Notification operations are blocked while paused.
Pause and unpause events are emitted.
Tests verify paused and active states.

[ebubeb683-ship-it]

I'd like to work on this issue.

[ebubeb683-ship-it]

I'd like to work on this issue.

[MoscowDev]

I’d love to take this issue on. I’ve worked on production-ready applications and collaborated extensively through GitHub workflows. I’ll dig into the current setup, implement a solid and reliable fix, and deliver a well-tested PR. My focus is on clean, maintainable code and fast, dependable delivery.

[Adunola022]

@Adunola022 has applied to work on this issue as part of the Stellar Wave Program's 7th wave.

Hello Maintainer, I’ve carefully reviewed the issue requirements and understand the expected outcome. I’m confident I can implement a clean, efficient solution that meets the acceptance criteria. I’d appreciate the opportunity to work on this issue. Kindly assign it to me. Thank you!

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Adunola022 to this issue.

[Theonlyayodeji]

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

I've reviewed your requirements thoroughly. I will fix these issues and submit a clean pull request that meets your acceptance criteria.

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

[vicajohn]

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

Hello maintainer, I would love to work on this.

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

[drips-wave]

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

🧑‍💻 @vicajohn: 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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🌊 Happy Wave 🌊

[grantfox-oss]

🎉 This issue has been marked as completed on GrantFox!

@vicajohn's PR #464 was approved and merged by @Abd-Standard.

🏆 @vicajohn: You earned 35 FoxPoints for this contribution! Your current tier: Explorer (554 total points). Track your full progress on GrantFox.

👏 Great work, @vicajohn! Keep contributing to Core-Foundry.