An agent with no tracked pair runtime — adopted via a persisted
runtime_pid, or simply stopped — was never stamped with a spawn config,
so it can never be shown to have drifted. That state lived only in the
Option chain at the call site and could not be expressed by the final
vector helper, which required a stamp. Absent state is now an explicit
input, making the sixth eligibility case structural and directly
testable.
Co-authored-by: Will Pfleger <pfleger.will@gmail.com>
Signed-off-by: Will Pfleger <pfleger.will@gmail.com>
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