feat(api): add leader instance identification with operational metadata in /health endpoint#3975

bogdanmariusc10 wants to merge 4 commits intomainIBM/mcp-context-forge:mainfrom

3838-featureapi-enhancing-multi-instance-monitoring-with-leader-status-indicatorsIBM/mcp-context-forge:3838-featureapi-enhancing-multi-instance-monitoring-with-leader-status-indicatorsCopy head branch name to clipboard