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launch_dolphin_violet.py: _build_shadow() behind DOLPHIN_VIOLET_DECISION_SHADOW=1 (default OFF -> _build_shadow returns None, zero behavior change, verified). Divergence driver optionally feeds VioletDecisionEngine + journals to dolphin_violet.violet_decisions (NO orders). Self-disables if the table is absent (no CH doom-loop, the 2026-06-11 spool lesson). 22_violet_decisions.sql applied to CH (table present, empty). vel_div sourced from scan_payload['vel_div'] (matches pink_direct). Restart for the DARK soak held for operator. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>