Claudio Bley focused on stabilizing the continuous integration pipeline for the tweag/rules_haskell repository, addressing reliability issues in the build and test process. He improved the CI workflow by pinning the Windows runner to windows-2022, mitigating compatibility problems with Bazel 7.x and ensuring consistent build environments. Claudio also restructured the pipeline to execute tests for example projects during the test phase, providing more accurate feedback on code quality. His work leveraged YAML and GitHub Actions, applying CI/CD best practices to enhance traceability and reduce flaky test runs. The changes enabled faster, more trustworthy contributions and improved overall development efficiency.