Consolidate fraud heuristics into a scored rules engine

[RUKAYAT-CODER]

Background

Fraud checks are scattered boolean heuristics that are hard to tune. Consolidate them into a single scored engine.

Files to modify (2-3)

src/hooks/useFraudDetection.ts
src/services/bundleSecurityContext.ts

Acceptance Criteria

Implemented across the listed files

Unit/integration tests added or updated and passing

No regression; follows project coding standards

[DeveloperEmmy]

@DeveloperEmmy has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

Hello and good day. I'm experienced and would love to resolve your issues in no time. Thank you

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[judithJn]

@judithJn has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

hello Maintainer, please can i work on this issues

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Congratulations, @DeveloperEmmy! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on August 31, 2026.

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[grantfox-oss]

🎉 This issue has been marked as completed on GrantFox as part of the Third Campaign campaign!

@DeveloperEmmy's PR #1249 was approved and merged by @RUKAYAT-CODER.

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👏 Great work, @DeveloperEmmy! Keep contributing to rinafcode.

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This issue has been completed by @DeveloperEmmy as part of the Stellar Wave Program's 8th Wave 🥳

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