wehub-resource-sync
101 lines
4.0 KiB
C#
101 lines
4.0 KiB
C#
// Copyright (c) Microsoft. All rights reserved.
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using Microsoft.SemanticKernel;
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using Microsoft.SemanticKernel.Agents;
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using Microsoft.SemanticKernel.Agents.Chat;
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using Microsoft.SemanticKernel.ChatCompletion;
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namespace GettingStarted;
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/// <summary>
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/// Demonstrate creation of <see cref="AgentChat"/> with <see cref="AgentGroupChatSettings"/>
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/// that inform how chat proceeds with regards to: Agent selection, chat continuation, and maximum
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/// number of agent interactions.
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/// </summary>
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public class Step03_Chat(ITestOutputHelper output) : BaseAgentsTest(output)
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{
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private const string ReviewerName = "ArtDirector";
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private const string ReviewerInstructions =
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"""
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You are an art director who has opinions about copywriting born of a love for David Ogilvy.
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The goal is to determine if the given copy is acceptable to print.
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If so, state that it is approved.
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If not, provide insight on how to refine suggested copy without example.
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""";
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private const string CopyWriterName = "CopyWriter";
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private const string CopyWriterInstructions =
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"""
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You are a copywriter with ten years of experience and are known for brevity and a dry humor.
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The goal is to refine and decide on the single best copy as an expert in the field.
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Only provide a single proposal per response.
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You're laser focused on the goal at hand.
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Don't waste time with chit chat.
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Consider suggestions when refining an idea.
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""";
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[Theory]
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[InlineData(true)]
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[InlineData(false)]
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public async Task UseAgentGroupChatWithTwoAgents(bool useChatClient)
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{
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// Define the agents
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ChatCompletionAgent agentReviewer =
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new()
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{
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Instructions = ReviewerInstructions,
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Name = ReviewerName,
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Kernel = this.CreateKernelWithChatCompletion(useChatClient, out var chatClient1),
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};
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ChatCompletionAgent agentWriter =
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new()
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{
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Instructions = CopyWriterInstructions,
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Name = CopyWriterName,
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Kernel = this.CreateKernelWithChatCompletion(useChatClient, out var chatClient2),
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};
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// Create a chat for agent interaction.
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AgentGroupChat chat =
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new(agentWriter, agentReviewer)
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{
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ExecutionSettings =
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new()
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{
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// Here a TerminationStrategy subclass is used that will terminate when
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// an assistant message contains the term "approve".
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TerminationStrategy =
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new ApprovalTerminationStrategy()
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{
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// Only the art-director may approve.
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Agents = [agentReviewer],
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// Limit total number of turns
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MaximumIterations = 10,
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}
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}
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};
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// Invoke chat and display messages.
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ChatMessageContent input = new(AuthorRole.User, "concept: maps made out of egg cartons.");
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chat.AddChatMessage(input);
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this.WriteAgentChatMessage(input);
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await foreach (ChatMessageContent response in chat.InvokeAsync())
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{
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this.WriteAgentChatMessage(response);
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}
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Console.WriteLine($"\n[IS COMPLETED: {chat.IsComplete}]");
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chatClient1?.Dispose();
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chatClient2?.Dispose();
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}
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private sealed class ApprovalTerminationStrategy : TerminationStrategy
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{
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// Terminate when the final message contains the term "approve"
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protected override Task<bool> ShouldAgentTerminateAsync(Agent agent, IReadOnlyList<ChatMessageContent> history, CancellationToken cancellationToken)
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=> Task.FromResult(history[history.Count - 1].Content?.Contains("approve", StringComparison.OrdinalIgnoreCase) ?? false);
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}
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}
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