feat: query all process nodes for business_object

examples/test_process_nodes_api.py

@@ -0,0 +1,35 @@
+"""
+测试新增的 get_process_nodes API 端点
+"""
+import requests
+
+BASE_URL = "http://localhost:8000"
+
+# 假设你已经有了 JWT token
+TOKEN = "your_jwt_token_here"
+headers = {"Authorization": f"Bearer {TOKEN}"}
+
+# 业务对象 ID
+business_object_id = 1
+
+# 获取流程的所有节点
+response = requests.get(
+    f"{BASE_URL}/api/v1/stateflow/business-objects/{business_object_id}/process-nodes/",
+    headers=headers
+)
+
+if response.status_code == 200:
+    data = response.json()
+    print(f"流程共有 {data['count']} 个节点:")
+    print()
+    
+    for node in data['nodes']:
+        print(f"节点 {node['order'] + 1}:")
+        print(f"  - ProcessNode ID: {node['id']}")
+        print(f"  - State ID: {node['state_id']}")
+        print(f"  - State 名称: {node['state_name']}")
+        print(f"  - 顺序: {node['order']}")
+        print()
+else:
+    print(f"错误: {response.status_code}")
+    print(response.json())