fix beginner case a2a sample

Author: codingmokey2025

02-use-cases/beginner/a2a_simple/agent.py

@@ -1,12 +1,12 @@
+from veadk import Agent, Runner
 from veadk.a2a.remote_ve_agent import RemoteVeAgent
-from veadk.agent import Agent
-from veadk.memory import ShortTermMemory
-from agentkit.app import AgentkitA2aApp
+from agentkit.apps import AgentkitA2aApp
+from google.adk.a2a.executor.a2a_agent_executor import A2aAgentExecutor
 from a2a.types import AgentCard, AgentProvider, AgentSkill, AgentCapabilities
 
 remote_agent = RemoteVeAgent(
     name="a2a_agent",
-    url="http://localhost:8000/",  # <--- url from cloud platform
+    url="http://localhost:8001/",  # <--- url from remote agent service
 )
 
 def add(a: int, b: int) -> int:
@@ -15,33 +15,34 @@ def add(a: int, b: int) -> int:
 
 agent = Agent(
     name="a2a_sample_agent",
-    instruction="You are a helpful assistant.",
+    instruction="You are a helpful assistant that can add numbers and delegate tasks to a remote agent that can roll dice and check prime numbers.",
     tools=[add],
     sub_agents=[remote_agent],
 )
 
-a2aApp = AgentkitA2aApp(
-    agent=agent,
-    app_name="a2a_sample_app",
-    short_term_memory=ShortTermMemory(),
-)
+runner = Runner(agent=agent)
+
+
+a2aApp = AgentkitA2aApp()
+
+@a2aApp.agent_executor(runner=runner)
+class MyAgentExecutor(A2aAgentExecutor):
+    pass
 
 if __name__ == "__main__":
-    from a2a.types import AgentCard, AgentProvider, AgentSkill, AgentCapabilities
-    
     agent_card = AgentCard(
-        capabilities=AgentCapabilities(streaming=True),  # 启用流式
+        capabilities=AgentCapabilities(streaming=True),
         description=agent.description,
         name=agent.name,
         defaultInputModes=["text"],
         defaultOutputModes=["text"],
-        provider=AgentProvider(organization="veadk", url=""),
+        provider=AgentProvider(organization="agentkit", url=""),
         skills=[AgentSkill(id="0", name="chat", description="Chat", tags=["chat"])],
         url="http://0.0.0.0:8000",
         version="1.0.0",
     )
-    
-    a2a_app.run(
+
+    a2aApp.run(
         agent_card=agent_card,
         host="0.0.0.0",
         port=8000,

02-use-cases/beginner/a2a_simple/local_client.py

@@ -102,7 +102,7 @@ async def test_trending_topics() -> None:
     """Test news topics agent."""
     for i in range(0, 10):
         trending_topics = await a2a_client.create_task(
-            f'http://localhost:8000', "hello , show me one number of 6-sided"
+            f'http://localhost:8001', "hello , show me one number of 6-sided"
         )
         print(trending_topics)
 

02-use-cases/beginner/a2a_simple/remote/agent.py

@@ -53,12 +53,12 @@ class MyAgentExecutor(A2aAgentExecutor):
   defaultOutputModes=["text"],
   provider=AgentProvider(organization="agentkit", url=""),
   skills=[AgentSkill(id="0", name="chat", description="Chat", tags=["chat"])],
-  url="0.0.0.0",
+  url="http://localhost:8001",
   version="1.0.0",
 )
 
 print('agent start successfully ', root_agent.name)
 
 # a2a_app = to_a2a(root_agent, port=8001)
 if __name__ == '__main__':
-    a2a_app.run(agent_card=agent_card, host="0.0.0.0", port=8000)
+    a2a_app.run(agent_card=agent_card, host="0.0.0.0", port=8001)