Merge pull request #588 from marietta-a/fix/02-dotnet-agent-framework

Fix(lesson 02): Replaced deprecated AgentThread with AgentSession for context management

Author: leestott

02-explore-agentic-frameworks/code_samples/02-dotnet-agent-framework.cs

@@ -93,23 +93,23 @@ What kind of trip would you like me to help you plan today?"
 AIAgent agent = openAIClient
     .GetChatClient(github_model_id)
     .AsIChatClient()
-    .CreateAIAgent(
+    .AsAIAgent(
         name: AGENT_NAME,
         instructions: AGENT_INSTRUCTIONS,
         tools: [AIFunctionFactory.Create(GetRandomDestination)]
     );
 
-// Create New Conversation Thread for Context Management
-// Initialize a new conversation thread to maintain context across multiple interactions
-// Threads enable the agent to remember previous exchanges and maintain conversational state
+// Create New Session for Context Management.
+// Initialize a new conversation session to maintain context across multiple interactions
+// Sessions enable the agent to remember previous exchanges and maintain conversational state
 // This is essential for multi-turn conversations and contextual understanding
-AgentThread thread = agent.GetNewThread();
+AgentSession session = await agent.CreateSessionAsync();
 
 // Execute Agent: First Travel Planning Request
 // Run the agent with an initial request that will likely trigger the random destination tool
 // The agent will analyze the request, use the GetRandomDestination tool, and create an itinerary
-// Using the thread parameter maintains conversation context for subsequent interactions
-await foreach (var update in agent.RunStreamingAsync("Plan me a day trip", thread))
+// Using the session parameter maintains conversation context for subsequent interactions
+await foreach (var update in agent.RunStreamingAsync("Plan me a day trip", session))
 {
     await Task.Delay(10);
     Console.Write(update);
@@ -120,8 +120,8 @@ What kind of trip would you like me to help you plan today?"
 // Execute Agent: Follow-up Request with Context Awareness
 // Demonstrate contextual conversation by referencing the previous response
 // The agent remembers the previous destination suggestion and will provide an alternative
-// This showcases the power of conversation threads and contextual understanding in .NET agents
-await foreach (var update in agent.RunStreamingAsync("I don't like that destination. Plan me another vacation.", thread))
+// This showcases the power of conversation sessions and contextual understanding in .NET agents
+await foreach (var update in agent.RunStreamingAsync("I don't like that destination. Plan me another vacation.", session))
 {
     await Task.Delay(10);
     Console.Write(update);