fix(workflow): add concurrency control and fix timer race conditions#1347

Open

KhawarHabibKhan wants to merge 3 commits intomicrosoft:mainfrom

KhawarHabibKhan:feat/workflow-concurrency-control

Commits on Mar 13, 2026

fix(timer): clamp negative remain_time and fix is_timeout TOCTOU race
KhawarHabibKhan
committed
fix(tracking): defensive clamp on MLflow remain_time metrics
KhawarHabibKhan
committed
feat(workflow): add async lock for step_n concurrency control
KhawarHabibKhan
committed