fixed network issue with multiple managed rooms

cfg/sample/ctrl/stop.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+# Stop all sample services
+# Usage: ./ctrl/stop.sh
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+ROOT_DIR="$(dirname "$SCRIPT_DIR")"
+
+echo "=== Stopping sample services ==="
+
+# Stop sample app
+if [[ -f "$ROOT_DIR/sample/docker-compose.yml" ]]; then
+    echo "Stopping sample app..."
+    cd "$ROOT_DIR/sample"
+    docker compose down
+fi
+
+# Stop soleprint
+echo "Stopping soleprint..."
+cd "$ROOT_DIR/soleprint"
+docker compose down
+
+echo "=== All services stopped ==="