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TurnWipeExtinctRaces iterated only non-extinct races, so an administratively banished race (flagged extinct, TTL untouched) was never wiped: its planets stayed owned and its ships lingered, while the race itself could no longer act. The loop now covers every race and wipes when either an active race's TTL has run out (idle / quit) or an extinct race still holds assets (banish). The asset check makes repeated passes idempotent. wipeRace already matched the rules for exclusion (ships removed, planets uninhabited, industry and capital cleared, material retained), so the behaviour is just documented in game/README.md. Tests: banish releases planets and ships on the next turn (and is idempotent); idle-timeout wipe still fires under the new iterator. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>