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Charles YaoandClaude Opus 5
7712442959
ESQ1-303: both edges of a Builder-made if-else used handles the node
does not declare, so the engine skipped both arms, reached no End node,
and reported "succeeded" with outputs={}. Every verify handler took any
"succeeded" as "All checks passed".
A succeeded run that executed a branch node (if-else, question-
classifier, human-input, or a fail-branch node) and no End node is now
"Finished without output": an error-toned test card plus a card pointing
at the branch node, waiting at the gate with no staged repair -- the
engine reported no error, so there is nothing to diagnose. The rule is
deliberately that narrow: requiring an End node for every succeeded run
would false-fail side-effect-only branches, which the structural
validator does not forbid.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>