ai-agents-for-beginners

🎨 АгСнтныС ΠΏΠ°Ρ‚Ρ‚Π΅Ρ€Π½Ρ‹ проСктирования с Azure OpenAI (Responses API) (.NET)

πŸ“‹ Π¦Π΅Π»ΠΈ обучСния

Π­Ρ‚ΠΎΡ‚ ΠΏΡ€ΠΈΠΌΠ΅Ρ€ дСмонстрируСт ΠΊΠΎΡ€ΠΏΠΎΡ€Π°Ρ‚ΠΈΠ²Π½Ρ‹Π΅ ΠΏΠ°Ρ‚Ρ‚Π΅Ρ€Π½Ρ‹ проСктирования для создания ΠΈΠ½Ρ‚Π΅Π»Π»Π΅ΠΊΡ‚ΡƒΠ°Π»ΡŒΠ½Ρ‹Ρ… Π°Π³Π΅Π½Ρ‚ΠΎΠ² с использованиСм Microsoft Agent Framework Π² .NET с ΠΈΠ½Ρ‚Π΅Π³Ρ€Π°Ρ†ΠΈΠ΅ΠΉ Azure OpenAI (Responses API). Π’Ρ‹ ΠΈΠ·ΡƒΡ‡ΠΈΡ‚Π΅ ΠΏΡ€ΠΎΡ„Π΅ΡΡΠΈΠΎΠ½Π°Π»ΡŒΠ½Ρ‹Π΅ ΠΏΠ°Ρ‚Ρ‚Π΅Ρ€Π½Ρ‹ ΠΈ Π°Ρ€Ρ…ΠΈΡ‚Π΅ΠΊΡ‚ΡƒΡ€Π½Ρ‹Π΅ ΠΏΠΎΠ΄Ρ…ΠΎΠ΄Ρ‹, ΠΊΠΎΡ‚ΠΎΡ€Ρ‹Π΅ Π΄Π΅Π»Π°ΡŽΡ‚ Π°Π³Π΅Π½Ρ‚ΠΎΠ² Π³ΠΎΡ‚ΠΎΠ²Ρ‹ΠΌΠΈ ΠΊ ΠΏΡ€ΠΎΠΌΡ‹ΡˆΠ»Π΅Π½Π½ΠΎΠΌΡƒ ΠΏΡ€ΠΈΠΌΠ΅Π½Π΅Π½ΠΈΡŽ, ΡƒΠ΄ΠΎΠ±Π½Ρ‹ΠΌΠΈ Π² сопровоТдСнии ΠΈ ΠΌΠ°ΡΡˆΡ‚Π°Π±ΠΈΡ€ΡƒΠ΅ΠΌΡ‹ΠΌΠΈ.

ΠšΠΎΡ€ΠΏΠΎΡ€Π°Ρ‚ΠΈΠ²Π½Ρ‹Π΅ ΠΏΠ°Ρ‚Ρ‚Π΅Ρ€Π½Ρ‹ проСктирования

🎯 ΠŸΡ€Π΅ΠΈΠΌΡƒΡ‰Π΅ΡΡ‚Π²Π° Π°Ρ€Ρ…ΠΈΡ‚Π΅ΠΊΡ‚ΡƒΡ€Ρ‹, спСцифичныС для .NET

ΠšΠΎΡ€ΠΏΠΎΡ€Π°Ρ‚ΠΈΠ²Π½Ρ‹Π΅ особСнности

ΠŸΠ°Ρ‚Ρ‚Π΅Ρ€Π½Ρ‹, Π³ΠΎΡ‚ΠΎΠ²Ρ‹Π΅ ΠΊ ΠΏΡ€ΠΎΠ΄Π°ΠΊΡˆΠ΅Π½Ρƒ

πŸ”§ ВСхничСская Π°Ρ€Ρ…ΠΈΡ‚Π΅ΠΊΡ‚ΡƒΡ€Π°

ΠžΡΠ½ΠΎΠ²Π½Ρ‹Π΅ ΠΊΠΎΠΌΠΏΠΎΠ½Π΅Π½Ρ‚Ρ‹ .NET

РСализация ΠΏΠ°Ρ‚Ρ‚Π΅Ρ€Π½ΠΎΠ² проСктирования

graph LR
    A[IServiceCollection] --> B[ΠšΠΎΠ½ΡΡ‚Ρ€ΡƒΠΊΡ‚ΠΎΡ€ Π°Π³Π΅Π½Ρ‚Π°]
    B --> C[ΠšΠΎΠ½Ρ„ΠΈΠ³ΡƒΡ€Π°Ρ†ΠΈΡ]
    C --> D[РССстр инструмСнтов]
    D --> E[ИИ Π°Π³Π΅Π½Ρ‚]

πŸ—οΈ ДСмонстрация ΠΊΠΎΡ€ΠΏΠΎΡ€Π°Ρ‚ΠΈΠ²Π½Ρ‹Ρ… ΠΏΠ°Ρ‚Ρ‚Π΅Ρ€Π½ΠΎΠ²

1. ΠŸΠΎΡ€ΠΎΠΆΠ΄Π°ΡŽΡ‰ΠΈΠ΅ ΠΏΠ°Ρ‚Ρ‚Π΅Ρ€Π½Ρ‹

2. ΠŸΠΎΠ²Π΅Π΄Π΅Π½Ρ‡Π΅ΡΠΊΠΈΠ΅ ΠΏΠ°Ρ‚Ρ‚Π΅Ρ€Π½Ρ‹

3. Π‘Ρ‚Ρ€ΡƒΠΊΡ‚ΡƒΡ€Π½Ρ‹Π΅ ΠΏΠ°Ρ‚Ρ‚Π΅Ρ€Π½Ρ‹

πŸ“š ΠŸΡ€ΠΈΠ½Ρ†ΠΈΠΏΡ‹ проСктирования Π² .NET

ΠŸΡ€ΠΈΠ½Ρ†ΠΈΠΏΡ‹ SOLID

Чистая Π°Ρ€Ρ…ΠΈΡ‚Π΅ΠΊΡ‚ΡƒΡ€Π°

πŸ”’ ΠšΠΎΡ€ΠΏΠΎΡ€Π°Ρ‚ΠΈΠ²Π½Ρ‹Π΅ аспСкты

Π‘Π΅Π·ΠΎΠΏΠ°ΡΠ½ΠΎΡΡ‚ΡŒ

ΠŸΡ€ΠΎΠΈΠ·Π²ΠΎΠ΄ΠΈΡ‚Π΅Π»ΡŒΠ½ΠΎΡΡ‚ΡŒ

ΠœΠ°ΡΡˆΡ‚Π°Π±ΠΈΡ€ΡƒΠ΅ΠΌΠΎΡΡ‚ΡŒ

πŸš€ Π Π°Π·Π²Π΅Ρ€Ρ‚Ρ‹Π²Π°Π½ΠΈΠ΅ Π² производствС

Π“ΠΎΡ‚ΠΎΠ²Ρ‹ ΡΠΎΠ·Π΄Π°Π²Π°Ρ‚ΡŒ ΠΊΠΎΡ€ΠΏΠΎΡ€Π°Ρ‚ΠΈΠ²Π½Ρ‹Π΅ ΠΈΠ½Ρ‚Π΅Π»Π»Π΅ΠΊΡ‚ΡƒΠ°Π»ΡŒΠ½Ρ‹Π΅ Π°Π³Π΅Π½Ρ‚Ρ‹ Π½Π° .NET? Π”Π°Π²Π°ΠΉΡ‚Π΅ спроСктируСм Ρ‡Ρ‚ΠΎ-Ρ‚ΠΎ Π½Π°Π΄Ρ‘ΠΆΠ½ΠΎΠ΅! 🏒✨

πŸš€ Начало Ρ€Π°Π±ΠΎΡ‚Ρ‹

ВрСбования

ΠžΠ±ΡΠ·Π°Ρ‚Π΅Π»ΡŒΠ½Ρ‹Π΅ ΠΏΠ΅Ρ€Π΅ΠΌΠ΅Π½Π½Ρ‹Π΅ окруТСния

# zsh/bash
export AZURE_OPENAI_ENDPOINT=https://<your-resource>.openai.azure.com
export AZURE_OPENAI_DEPLOYMENT=gpt-4.1-mini
# Π—Π°Ρ‚Π΅ΠΌ Π²ΠΎΠΉΠ΄ΠΈΡ‚Π΅ Π² систСму, Ρ‡Ρ‚ΠΎΠ±Ρ‹ AzureCliCredential ΠΌΠΎΠ³ ΠΏΠΎΠ»ΡƒΡ‡ΠΈΡ‚ΡŒ Ρ‚ΠΎΠΊΠ΅Π½
az login
# PowerShell
$env:AZURE_OPENAI_ENDPOINT = "https://<your-resource>.openai.azure.com"
$env:AZURE_OPENAI_DEPLOYMENT = "gpt-4.1-mini"
# Π—Π°Ρ‚Π΅ΠΌ Π²ΠΎΠΉΠ΄ΠΈΡ‚Π΅ Π² систСму, Ρ‡Ρ‚ΠΎΠ±Ρ‹ AzureCliCredential ΠΌΠΎΠ³ ΠΏΠΎΠ»ΡƒΡ‡ΠΈΡ‚ΡŒ Ρ‚ΠΎΠΊΠ΅Π½
az login

ΠŸΡ€ΠΈΠΌΠ΅Ρ€ ΠΊΠΎΠ΄Π°

Π§Ρ‚ΠΎΠ±Ρ‹ Π·Π°ΠΏΡƒΡΡ‚ΠΈΡ‚ΡŒ ΠΏΡ€ΠΈΠΌΠ΅Ρ€ ΠΊΠΎΠ΄Π°,

# zsh/bash
chmod +x ./03-dotnet-agent-framework.cs
./03-dotnet-agent-framework.cs

Или ΠΈΡΠΏΠΎΠ»ΡŒΠ·ΡƒΡ dotnet CLI:

dotnet run ./03-dotnet-agent-framework.cs

Π‘ΠΌΠΎΡ‚Ρ€ΠΈΡ‚Π΅ 03-dotnet-agent-framework.cs для ΠΏΠΎΠ»Π½ΠΎΠ³ΠΎ ΠΊΠΎΠ΄Π°.

#!/usr/bin/dotnet run

#:package Microsoft.Extensions.AI@10.*
#:package Microsoft.Agents.AI.OpenAI@1.*-*
#:package Azure.AI.OpenAI@2.1.0
#:package Azure.Identity@1.13.1

using System.ComponentModel;

using Microsoft.Agents.AI;
using Microsoft.Extensions.AI;

using Azure.AI.OpenAI;
using Azure.Identity;

// Tool Function: Random Destination Generator
// This static method will be available to the agent as a callable tool
// The [Description] attribute helps the AI understand when to use this function
// This demonstrates how to create custom tools for AI agents
[Description("Provides a random vacation destination.")]
static string GetRandomDestination()
{
    // List of popular vacation destinations around the world
    // The agent will randomly select from these options
    var destinations = new List<string>
    {
        "Paris, France",
        "Tokyo, Japan",
        "New York City, USA",
        "Sydney, Australia",
        "Rome, Italy",
        "Barcelona, Spain",
        "Cape Town, South Africa",
        "Rio de Janeiro, Brazil",
        "Bangkok, Thailand",
        "Vancouver, Canada"
    };

    // Generate random index and return selected destination
    // Uses System.Random for simple random selection
    var random = new Random();
    int index = random.Next(destinations.Count);
    return destinations[index];
}

// Azure OpenAI with the Responses API (stable v1 endpoint). Sign in with `az login`.
var azureEndpoint = Environment.GetEnvironmentVariable("AZURE_OPENAI_ENDPOINT")
    ?? throw new InvalidOperationException("AZURE_OPENAI_ENDPOINT is not set.");
var deployment = Environment.GetEnvironmentVariable("AZURE_OPENAI_DEPLOYMENT") ?? "gpt-4.1-mini";

var azureClient = new AzureOpenAIClient(new Uri(azureEndpoint), new AzureCliCredential());

// Define Agent Identity and Comprehensive Instructions
// Agent name for identification and logging purposes
var AGENT_NAME = "TravelAgent";

// Detailed instructions that define the agent's personality, capabilities, and behavior
// This system prompt shapes how the agent responds and interacts with users
var AGENT_INSTRUCTIONS = """
You are a helpful AI Agent that can help plan vacations for customers.

Important: When users specify a destination, always plan for that location. Only suggest random destinations when the user hasn't specified a preference.

When the conversation begins, introduce yourself with this message:
"Hello! I'm your TravelAgent assistant. I can help plan vacations and suggest interesting destinations for you. Here are some things you can ask me:
1. Plan a day trip to a specific location
2. Suggest a random vacation destination
3. Find destinations with specific features (beaches, mountains, historical sites, etc.)
4. Plan an alternative trip if you don't like my first suggestion

What kind of trip would you like me to help you plan today?"

Always prioritize user preferences. If they mention a specific destination like "Bali" or "Paris," focus your planning on that location rather than suggesting alternatives.
""";

// Create AI Agent with Advanced Travel Planning Capabilities
// Get the Responses client for the deployment and create the AI agent
// Configure agent with name, detailed instructions, and available tools
// This demonstrates the .NET agent creation pattern with full configuration
AIAgent agent = azureClient
    .GetChatClient(deployment)
    .AsAIAgent(
        name: AGENT_NAME,
        instructions: AGENT_INSTRUCTIONS,
        tools: [AIFunctionFactory.Create(GetRandomDestination)]
    );

// Create New Conversation 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
var 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 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);
}

Console.WriteLine();

// 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 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);
}

ΠžΡ‚ΠΊΠ°Π· ΠΎΡ‚ отвСтствСнности: Π­Ρ‚ΠΎΡ‚ Π΄ΠΎΠΊΡƒΠΌΠ΅Π½Ρ‚ Π±Ρ‹Π» ΠΏΠ΅Ρ€Π΅Π²Π΅Π΄Π΅Π½ с использованиСм сСрвиса машинного ΠΏΠ΅Ρ€Π΅Π²ΠΎΠ΄Π° Co-op Translator. НСсмотря Π½Π° наши усилия ΠΏΠΎ ΠΎΠ±Π΅ΡΠΏΠ΅Ρ‡Π΅Π½ΠΈΡŽ точности, ΠΈΠΌΠ΅ΠΉΡ‚Π΅ Π² Π²ΠΈΠ΄Ρƒ, Ρ‡Ρ‚ΠΎ автоматичСский ΠΏΠ΅Ρ€Π΅Π²ΠΎΠ΄ ΠΌΠΎΠΆΠ΅Ρ‚ ΡΠΎΠ΄Π΅Ρ€ΠΆΠ°Ρ‚ΡŒ ошибки ΠΈΠ»ΠΈ нСточности. ΠžΡ€ΠΈΠ³ΠΈΠ½Π°Π»ΡŒΠ½Ρ‹ΠΉ Π΄ΠΎΠΊΡƒΠΌΠ΅Π½Ρ‚ Π½Π° Π΅Π³ΠΎ исходном языкС слСдуСт ΡΡ‡ΠΈΡ‚Π°Ρ‚ΡŒ Π°Π²Ρ‚ΠΎΡ€ΠΈΡ‚Π΅Ρ‚Π½Ρ‹ΠΌ источником. Для получСния критичСски Π²Π°ΠΆΠ½ΠΎΠΉ ΠΈΠ½Ρ„ΠΎΡ€ΠΌΠ°Ρ†ΠΈΠΈ рСкомСндуСтся ΠΎΠ±Ρ€Π°Ρ‚ΠΈΡ‚ΡŒΡΡ ΠΊ ΠΏΡ€ΠΎΡ„Π΅ΡΡΠΈΠΎΠ½Π°Π»ΡŒΠ½ΠΎΠΌΡƒ чСловСчСскому ΠΏΠ΅Ρ€Π΅Π²ΠΎΠ΄Ρƒ. ΠœΡ‹ Π½Π΅ нСсСм отвСтствСнности Π·Π° Π»ΡŽΠ±Ρ‹Π΅ нСдоразумСния ΠΈΠ»ΠΈ Π½Π΅ΠΏΡ€Π°Π²ΠΈΠ»ΡŒΠ½Ρ‹Π΅ толкования, возникшиС Π² Ρ€Π΅Π·ΡƒΠ»ΡŒΡ‚Π°Ρ‚Π΅ использования этого ΠΏΠ΅Ρ€Π΅Π²ΠΎΠ΄Π°.