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These skills enable the enforcement of standardized testing patterns for financial logic and the verification of critical security invariants. They ensure that payment-related codebases maintain consistent quality and adhere to predefined safety constraints during the development lifecycle.

These skills are designed for financial software engineers, security auditors, and quality assurance specialists. They are particularly useful for developers working on payment processing systems who require strict adherence to security invariants and standardized testing protocols.

Implementation requires the Bun runtime environment to execute the test conventions. Developers must integrate the specific test-conventions package into their project configuration and ensure that payment logic is structured to support the defined security invariant checks.