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launch_dolphin_violet.py: own namespaces hard-set (CH dolphin_violet, HZ DOLPHIN_STATE_VIOLET/PNL, Zinc prefix violet, DOLPHIN-VIOLET-001); own credentials (BINGX_VIOLET_API_KEY/SECRET) — DARK idle with periodic WARNING until provisioned; CH preflight SELECT-probes the required tables and NEVER creates (DDL-before-code); kernel snapshot path repointed away from PINK's fixed /tmp/.pink_kernel_state.json; mainnet hard-disabled; observe loop never calls runtime.step(). ObserveOnlyVenue: submit/cancel raise ObserveOnlyViolation with full attribute delegation — the kernel's venue-submit-failure rollback converts a refusal into a synthetic REJECT (slot back to IDLE), proven against the real kernel. FeedDivergenceMonitor: per-asset scan-vs-venue divergence rows (bookTicker WS via prod/bingx/market_stream, REST fallback) with stale-mid suppression and plane seq propagation — the FET 0.2176-vs-0.1878 detector; runs even DARK (public data). Supervisord [program:dolphin_violet] autostart=false, no keys in conf by design. Violet package: 42 tests green + V0 gate. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>