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>
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