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/check_session.sh

@@ -0,0 +1,60 @@
+#!/bin/bash
+# Check 1-hour paper trading session status
+
+LOG_FILE="/mnt/dolphinng5_predict/logs/paper_trade_1h_console.log"
+JSON_FILE="/mnt/dolphinng5_predict/logs/paper_trade_1h.json"
+PID_FILE="/tmp/paper_trade_1h.pid"
+
+echo "🐬 DOLPHIN 1-Hour Paper Trading Session Status"
+echo "=============================================="
+echo ""
+
+# Check if running
+PID=$(pgrep -f "paper_trade_1h.py" | head -1)
+if [ -n "$PID" ]; then
+    echo "✅ Session RUNNING (PID: $PID)"
+    echo "   Uptime: $(ps -o etime= -p $PID 2>/dev/null | tr -d ' ')"
+else
+    echo "❌ Session NOT RUNNING"
+fi
+
+echo ""
+echo "📁 Log Files:"
+echo "   Console: $LOG_FILE"
+if [ -f "$LOG_FILE" ]; then
+    echo "   Size: $(wc -c < "$LOG_FILE" | numfmt --to=iec)"
+    echo "   Lines: $(wc -l < "$LOG_FILE")"
+fi
+
+echo "   JSON: $JSON_FILE"
+if [ -f "$JSON_FILE" ]; then
+    echo "   Size: $(wc -c < "$JSON_FILE" | numfmt --to=iec)"
+    # Extract summary if available
+    if command -v python3 &> /dev/null; then
+        python3 << PYEOF 2>/dev/null
+import json
+try:
+    with open('$JSON_FILE') as f:
+        data = json.load(f)
+    summary = data.get('summary', {})
+    results = summary.get('results', {})
+    print(f"   Trades: {results.get('total_trades', 0)}")
+    print(f"   PnL: \${results.get('total_pnl', 0):+.2f}")
+except:
+    pass
+PYEOF
+    fi
+fi
+
+echo ""
+echo "📊 Recent Activity:"
+if [ -f "$LOG_FILE" ]; then
+    echo "---"
+    tail -15 "$LOG_FILE" 2>/dev/null
+    echo "---"
+fi
+
+echo ""
+echo "💡 Commands:"
+echo "   tail -f $LOG_FILE       # Watch live"
+echo "   pkill -f paper_trade_1h # Stop session"