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/clean_arch/status.py

@@ -0,0 +1,45 @@
+#!/usr/bin/env python3
+"""Quick status check for DOLPHIN paper trading."""
+
+import sys
+sys.path.insert(0, '/mnt/dolphinng5_predict/prod/clean_arch')
+sys.path.insert(0, '/mnt/dolphinng5_predict')
+
+import json
+import hazelcast
+
+print("=" * 60)
+print("🐬 DOLPHIN PAPER TRADING STATUS")
+print("=" * 60)
+
+# Check Hazelcast
+try:
+    client = hazelcast.HazelcastClient(
+        cluster_name="dolphin",
+        cluster_members=["localhost:5701"],
+    )
+    
+    features_map = client.get_map('DOLPHIN_FEATURES').blocking()
+    val = features_map.get('latest_eigen_scan')
+    
+    if val:
+        data = json.loads(val)
+        print(f"\n⚡ HAZELCAST: CONNECTED")
+        print(f"   Scan: #{data.get('scan_number')}")
+        print(f"   Assets: {len(data.get('assets', []))}")
+        print(f"   Prices: {len(data.get('asset_prices', []))}")
+        print(f"   BTC Price: ${data.get('asset_prices', [0])[0]:,.2f}" if data.get('asset_prices') else "   BTC Price: N/A")
+        print(f"   Instability: {data.get('instability_composite', 'N/A')}")
+    else:
+        print("\n⚡ HAZELCAST: No latest_eigen_scan data")
+    
+    client.shutdown()
+except Exception as e:
+    print(f"\n⚡ HAZELCAST: ERROR - {e}")
+
+print("\n" + "=" * 60)
+print("Components:")
+print("  [✓] Hazelcast DataFeed Adapter")
+print("  [✓] MarketSnapshot with price + eigenvalues")
+print("  [?] Scan Bridge Service (check: ps aux | grep scan_bridge)")
+print("=" * 60)