Review stack#1324 id 201 (rev-code-01): the union resolution chained main's #1073
fleet test while keeping next's signed exclusion of it (#1271 burn-down: the test
asserts missing-binary behavior but CI provides pi on PATH — fails by design).
check-test-enumeration CONTRADICTORY EXCLUSION, CI pipeline 2532 terminal failure.
Fix per verified review recommendation: remove the chain entry (55 -> 54 parts),
keeping next's exclusion and #1271 state. Guard now passes:
population 60, enumerated 45, excluded (signed) 16.