Noah Yoshida developed a security automation enhancement for the magic-js repository by replacing the existing DeepSource configuration with a Gitleaks-based workflow. He implemented secret scanning for both pull requests and pushes, integrating Slack notifications to promptly alert developers of potential secret exposures. Using YAML and TOML, Noah configured .gitleaks.toml and .gitleaksignore files to tailor scan rules and reduce false positives. He also removed the deprecated .deepsource.toml file, streamlining the project’s security tooling. This work improved the repository’s CI security posture, reduced the risk of secret leakage, and accelerated remediation by surfacing actionable findings directly to the development team.