Worked on the nektos/act repository to enhance the expression parser by implementing flexible map property dereferencing, allowing more dynamic access to nested data structures. Extended the contains function to support wildcard selections across map values, enabling richer and more flexible querying capabilities for workflow authors. Focused on delivering this feature with robust test coverage, using Go and test-driven development practices to ensure correctness and maintainability. The work addressed the need for more expressive and reliable workflow automation, reducing manual data handling. No major bugs were fixed during this period, as the primary emphasis was on feature development and code quality.