Guard evaluated BEFORE a replay step runs. Fail-fast by contract: a target
that never becomes attached+visible within the bound FAILS the step — replay
never "proceeds anyway" on a missed precondition (the Stagehand
waitForCachedSelector wart the plan calls out).
Guard evaluated BEFORE a replay step runs. Fail-fast by contract: a target that never becomes attached+visible within the bound FAILS the step — replay never "proceeds anyway" on a missed precondition (the Stagehand
waitForCachedSelectorwart the plan calls out).