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chore: import upstream snapshot with attribution
2026-07-13 13:39:25 +08:00

78 lines
3.1 KiB
C#

// Copyright (c) Microsoft. All rights reserved.
using System.ComponentModel;
using Azure.AI.OpenAI;
using Azure.Identity;
using Microsoft.Agents.AI;
using Microsoft.Agents.AI.Hosting.AGUI.AspNetCore;
using Microsoft.AspNetCore.Http.Json;
using Microsoft.AspNetCore.HttpLogging;
using Microsoft.Extensions.AI;
using Microsoft.Extensions.Options;
using OpenAI.Chat;
using ServerFunctionApproval;
WebApplicationBuilder builder = WebApplication.CreateBuilder(args);
builder.Services.AddHttpLogging(logging =>
{
logging.LoggingFields = HttpLoggingFields.RequestPropertiesAndHeaders | HttpLoggingFields.RequestBody
| HttpLoggingFields.ResponsePropertiesAndHeaders | HttpLoggingFields.ResponseBody;
logging.RequestBodyLogLimit = int.MaxValue;
logging.ResponseBodyLogLimit = int.MaxValue;
});
builder.Services.AddHttpClient().AddLogging();
builder.Services.ConfigureHttpJsonOptions(options =>
options.SerializerOptions.TypeInfoResolverChain.Add(ApprovalJsonContext.Default));
builder.Services.AddAGUIServer();
// WARNING: When adding session persistence (e.g., WithInMemorySessionStore), or running in production,
// make sure to also register a SessionIsolationKeyProvider to scope sessions by principal in multi-user
// deployments, e.g.:
// builder.Services.UseClaimsBasedSessionIsolation(new() { ClaimType = ClaimTypes.NameIdentifier });
WebApplication app = builder.Build();
app.UseHttpLogging();
string endpoint = builder.Configuration["AZURE_OPENAI_ENDPOINT"]
?? throw new InvalidOperationException("AZURE_OPENAI_ENDPOINT is not set.");
string deploymentName = builder.Configuration["AZURE_OPENAI_DEPLOYMENT_NAME"]
?? throw new InvalidOperationException("AZURE_OPENAI_DEPLOYMENT_NAME is not set.");
// Define approval-required tool
[Description("Approve the expense report.")]
static string ApproveExpenseReport(string expenseReportId)
{
return $"Expense report {expenseReportId} approved";
}
// Get JsonSerializerOptions
var jsonOptions = app.Services.GetRequiredService<IOptions<JsonOptions>>().Value;
// Create approval-required tool
#pragma warning disable MEAI001 // Type is for evaluation purposes only
AITool[] tools = [new ApprovalRequiredAIFunction(AIFunctionFactory.Create(ApproveExpenseReport))];
#pragma warning restore MEAI001
// Create base agent
// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
ChatClient openAIChatClient = new AzureOpenAIClient(
new Uri(endpoint),
new DefaultAzureCredential())
.GetChatClient(deploymentName);
ChatClientAgent baseAgent = openAIChatClient.AsAIAgent(
name: "AGUIAssistant",
instructions: "You are a helpful assistant in charge of approving expenses",
tools: tools);
// Wrap with ServerFunctionApprovalAgent
var agent = new ServerFunctionApprovalAgent(baseAgent, jsonOptions.SerializerOptions);
app.MapAGUIServer("/", agent);
await app.RunAsync();