Concise monthly summary for 2026-05: Established a robust development and testing foundation for the hashtopolis/server repository, enabling reliable local development and scalable CI/CD workflows. Key progress includes Docker-based development environments for MySQL and PostgreSQL, an automated CI/CD pipeline, lifecycle scripts, issue/feature templates, and an initial PHPUnit-based testing framework. Expanded unit test coverage for ConfigUtils, CrackerBinaryUtils, and CrackerUtils, with test architecture refinements such as a shared base class, PHPUnit cache, and standardized test naming. These efforts deliver tangible business value by improving development velocity, code quality, and onboarding efficiency while laying the groundwork for automated quality gates.