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Roger Barreto abe1f629a2 .NET: Add support for Resilient long-running and Steerable Foundry Hosted Agents (#7370)
* feat(foundry): add resilient background hosting

Enable AgentServer recovery and steering through FoundryResponsesOptions.

Persist AgentSession snapshots during long background turns while workflow checkpointing remains owned by the workflow runtime.

* feat(foundry): complete resilient and steerable hosting

* fix(foundry): address resilience review feedback

* feat(foundry): align resilient workflow checkpoints

* docs(foundry): update resilience review guidance
2026-08-22 03:55:32 +00:00

41 lines
1.6 KiB
C#

// Copyright (c) Microsoft. All rights reserved.
// Sample: a Foundry Hosted Agent that accepts steering input while a response is still running.
// It deploys directly from source, so Foundry builds and runs the uploaded project.
using Azure.AI.Projects;
using Azure.Identity;
using DotNetEnv;
using Microsoft.Agents.AI;
using Microsoft.Agents.AI.Foundry.Hosting;
Env.TraversePath().Load();
var projectEndpoint = new Uri(System.Environment.GetEnvironmentVariable("FOUNDRY_PROJECT_ENDPOINT")
?? throw new InvalidOperationException("FOUNDRY_PROJECT_ENDPOINT is not set."));
var deployment = FirstNonBlank(
System.Environment.GetEnvironmentVariable("AZURE_AI_MODEL_DEPLOYMENT_NAME"),
System.Environment.GetEnvironmentVariable("FOUNDRY_MODEL"),
"gpt-4o");
var agentName = System.Environment.GetEnvironmentVariable("AGENT_NAME") ?? "hosted-steering";
AIAgent agent = new AIProjectClient(projectEndpoint, new DefaultAzureCredential())
.AsAIAgent(
model: deployment,
instructions: """
You are a helpful AI assistant. When another message arrives while you are working,
treat it as a course correction and incorporate it into the answer.
""",
name: agentName,
description: "A steerable general-purpose AI assistant");
var builder = WebApplication.CreateBuilder(args);
builder.Services.AddFoundryResponses(agent, configure: options => options.SteerableConversations = true);
var app = builder.Build();
app.MapFoundryResponses();
app.Run();
static string FirstNonBlank(params string?[] candidates) =>
Array.Find(candidates, candidate => !string.IsNullOrWhiteSpace(candidate))!;