initial: import DOLPHIN baseline 2026-04-21 from dolphinng5_predict working tree

Includes core prod + GREEN/BLUE subsystems:
- prod/ (BLUE harness, configs, scripts, docs)
- nautilus_dolphin/ (GREEN Nautilus-native impl + dvae/ preserved)
- adaptive_exit/ (AEM engine + models/bucket_assignments.pkl)
- Observability/ (EsoF advisor, TUI, dashboards)
- external_factors/ (EsoF producer)
- mc_forewarning_qlabs_fork/ (MC regime/envelope)

Excludes runtime caches, logs, backups, and reproducible artifacts per .gitignore.

external_factors/bk.bat

@@ -0,0 +1,7 @@
+@echo off
+REM Backfill ExF NPZ files for all 1710 klines dates
+REM Idempotent — safe to re-run if interrupted
+REM ~2-5 hours total runtime
+cd /d "%~dp0"
+"C:\Users\Lenovo\Documents\- Siloqy\Scripts\python.exe" backfill_klines_exf.py %*
+pause