refactor: remove thin wrappers, move test helper to test file, consolidate formatDuration#17964

pelikhan merged 4 commits intomaingithub/gh-aw:mainfrom

copilot/refactor-semantic-function-clustering-99e7e7b5-7874-4c2d-8ccd-fd672c313b05github/gh-aw:copilot/refactor-semantic-function-clustering-99e7e7b5-7874-4c2d-8ccd-fd672c313b05Copy head branch name to clipboard