- Established a centralized test specification in docs/tests.md that defines test categories, cases, and a coverage checklist to ensure consistent quality and maintainability across the project.
- Implemented RegressionTestExecutor for managing automated regression tests on a live Zabbix system.
- Updated GraphQL schema and resolvers with a generic runAllRegressionTests mutation.
- Enhanced MCP integration with new operation files and detailed documentation for AI-driven automation.
- Updated README.md and How-To guides (Cookbook, Maintenance, MCP) to reflect the new testing framework and MCP capabilities.
- Verified all changes with a full Jest suite (74 tests) and live end-to-end smoketests.