Update sample_data.py

sample_data.py

@@ -1121,4 +1121,139 @@ BINARY_TREE_JSON = """
     }
   }
 }
+"""
+
+NETWORK_GRAPH_JSON = """
+{
+  "nodes": [
+    {
+      "id": "web_server",
+      "label": "Web Server",
+      "type": "server",
+      "depth": 0
+    },
+    {
+      "id": "api_gateway",
+      "label": "API Gateway",
+      "type": "service",
+      "depth": 1
+    },
+    {
+      "id": "user_service",
+      "label": "User Service",
+      "type": "service",
+      "depth": 2
+    },
+    {
+      "id": "order_service",
+      "label": "Order Service",
+      "type": "service",
+      "depth": 2
+    },
+    {
+      "id": "payment_service",
+      "label": "Payment Service",
+      "type": "service",
+      "depth": 2
+    },
+    {
+      "id": "user_db",
+      "label": "User Database",
+      "type": "database",
+      "depth": 3
+    },
+    {
+      "id": "order_db",
+      "label": "Order Database",
+      "type": "database",
+      "depth": 3
+    },
+    {
+      "id": "cache_redis",
+      "label": "Redis Cache",
+      "type": "database",
+      "depth": 1
+    },
+    {
+      "id": "mobile_app",
+      "label": "Mobile App",
+      "type": "user",
+      "depth": 0
+    },
+    {
+      "id": "admin_panel",
+      "label": "Admin Panel",
+      "type": "user",
+      "depth": 0
+    }
+  ],
+  "connections": [
+    {
+      "from": "mobile_app",
+      "to": "api_gateway",
+      "label": "HTTPS",
+      "weight": 3
+    },
+    {
+      "from": "admin_panel",
+      "to": "api_gateway",
+      "label": "HTTPS",
+      "weight": 2
+    },
+    {
+      "from": "web_server",
+      "to": "api_gateway",
+      "label": "Internal",
+      "weight": 4
+    },
+    {
+      "from": "api_gateway",
+      "to": "user_service",
+      "label": "gRPC",
+      "weight": 3
+    },
+    {
+      "from": "api_gateway",
+      "to": "order_service",
+      "label": "gRPC",
+      "weight": 3
+    },
+    {
+      "from": "api_gateway",
+      "to": "payment_service",
+      "label": "gRPC",
+      "weight": 2
+    },
+    {
+      "from": "user_service",
+      "to": "user_db",
+      "label": "SQL",
+      "weight": 4
+    },
+    {
+      "from": "order_service",
+      "to": "order_db",
+      "label": "SQL",
+      "weight": 4
+    },
+    {
+      "from": "order_service",
+      "to": "payment_service",
+      "label": "REST",
+      "weight": 2
+    },
+    {
+      "from": "user_service",
+      "to": "cache_redis",
+      "label": "Cache",
+      "weight": 3
+    },
+    {
+      "from": "order_service",
+      "to": "cache_redis",
+      "label": "Cache",
+      "weight": 2
+    }
+  ]
+}
 """