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.

prod/deploy_exf.py

@@ -0,0 +1,13 @@
+from prefect.deployments import Deployment
+from exf_prefect_flow import exf_live_flow
+
+deployment = Deployment.build_from_flow(
+    flow=exf_live_flow,
+    name="exf-live-v2",
+    work_pool_name="dolphin",
+    work_queue_name="default",
+)
+
+if __name__ == "__main__":
+    deployment.apply()
+    print("Deployment created successfully")