chore(systemd): remove obsolete systemd service files and update infrastructure documentation

- Remove 8 unused systemd service files from coordinator-api/systemd/
  - aitbc-adaptive-learning.service (port 8005)
  - aitbc-advanced-ai.service
  - aitbc-enterprise-api.service
  - aitbc-gpu-multimodal.service (port 8003)
  - aitbc-marketplace-enhanced.service (port 8006)
  - aitbc-modality-optimization.service (port 8004)
  - aitbc-multimodal.service (port 8002)
  - aitbc-openclaw-enhanced.service (port 8007

dev/scripts_dev/setup_systemd.sh

@@ -0,0 +1,70 @@
+#!/bin/bash
+
+# Setup AITBC Systemd Services
+# Requirements: Python 3.11+, systemd, sudo access
+
+echo "🔧 Setting up AITBC systemd services..."
+
+# Validate Python version
+echo "🐍 Checking Python version..."
+if ! python3.11 --version >/dev/null 2>&1; then
+    echo "❌ Error: Python 3.11+ is required but not found"
+    echo "   Please install Python 3.11+ and try again"
+    exit 1
+fi
+
+PYTHON_VERSION=$(python3.11 --version | cut -d' ' -f2)
+echo "✅ Found Python $PYTHON_VERSION"
+
+# Validate systemctl is available
+if ! command -v systemctl >/dev/null 2>&1; then
+    echo "❌ Error: systemctl not found. This script requires systemd."
+    exit 1
+fi
+
+echo "✅ Systemd available"
+
+# Copy service files
+echo "📁 Copying service files..."
+sudo cp systemd/aitbc-*.service /etc/systemd/system/
+
+# Reload systemd daemon
+echo "🔄 Reloading systemd daemon..."
+sudo systemctl daemon-reload
+
+# Stop existing processes
+echo "⏹️ Stopping existing processes..."
+pkill -f "coordinator-api" || true
+pkill -f "simple_exchange_api.py" || true
+pkill -f "server.py --port 3002" || true
+pkill -f "wallet_daemon" || true
+pkill -f "node.main" || true
+
+# Enable services
+echo "✅ Enabling services..."
+sudo systemctl enable aitbc-coordinator-api.service
+sudo systemctl enable aitbc-exchange-api.service
+sudo systemctl enable aitbc-exchange-frontend.service
+sudo systemctl enable aitbc-wallet.service
+sudo systemctl enable aitbc-node.service
+
+# Start services
+echo "🚀 Starting services..."
+sudo systemctl start aitbc-coordinator-api.service
+sudo systemctl start aitbc-exchange-api.service
+sudo systemctl start aitbc-exchange-frontend.service
+sudo systemctl start aitbc-wallet.service
+sudo systemctl start aitbc-node.service
+
+# Check status
+echo ""
+echo "📊 Service Status:"
+for service in aitbc-coordinator-api aitbc-exchange-api aitbc-exchange-frontend aitbc-wallet aitbc-node; do
+    status=$(sudo systemctl is-active $service)
+    echo "  $service: $status"
+done
+
+echo ""
+echo "📝 To view logs: sudo journalctl -u <service-name> -f"
+echo "📝 To restart: sudo systemctl restart <service-name>"
+echo "📝 To stop: sudo systemctl stop <service-name>"