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/ops/launch_paper_portfolio.py

@@ -0,0 +1,11 @@
+#!/usr/bin/env python3
+"""Wrapper for launch_paper_portfolio.py - now located in prod/ directory."""
+import os
+import sys
+from pathlib import Path
+
+# Run the main file with proper __file__ context
+main_file = Path(__file__).parent.parent / "launch_paper_portfolio.py"
+os.chdir(main_file.parent)
+sys.argv[0] = str(main_file)
+exec(open(main_file).read(), {'__file__': str(main_file), '__name__': '__main__'})