PAPERsean_decision_2026_06_09_audit: revert from LIVE to PAPER (doctrine DRY_RUN equivalent; schema enum has no DRY_RUN value) until sell-evaluator peak-seeding bug verified fixed AND order executor healthy 14 consecutive days. Supersedes LIVE row of 2026-05-26 (phase0_initial_seed). See KIM-169 doc audit-2026-06-09.