e51e0ebf3c
* fix: keep tasks active while sibling sessions run * fix: avoid duplicate task review writes * fix: clear completed sessions before review guard * fix: serialize session launch state * test: cover completed sibling session states * fix: bound completed execution markers * fix: amortize completed execution marker cleanup * fix: fail closed on stale session starts * fix: ignore stale completed execution events * test: cover stale completed tool calls * fix: harden stale session state guards * fix: handle terminal execution races * fix: avoid duplicate terminal complete side effects * fix: harden terminal execution race guards * fix: guard task review reconciliation * fix: handle late terminal complete side effects * fix: align review-state test guards * fix: fail closed on stale review bridges * fix: reduce review reconcile complexity --------- Co-authored-by: root <root@kandev.ts.net>