feat(spec): Report matrix `columns` (across) + `drilldown` flag (ADR-0021 D2)#1732

Merged

os-zhuang merged 1 commit into

mainfrom

feat-spec-matrix-columns-drilldown

Jun 11, 2026

GitHub Advanced Security / CodeQL succeeded Jun 11, 2026 in 3s

No new alerts in code changed by this pull request

View all branch alerts.