60 lines
2.4 KiB
C#
60 lines
2.4 KiB
C#
using Microsoft.Extensions.AI;
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namespace AnchorCli;
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internal sealed class ChatSession
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{
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private readonly IChatClient _agent;
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public ContextCompactor Compactor { get; }
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public List<ChatMessage> History { get; }
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public ChatSession(IChatClient innerClient)
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{
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Compactor = new ContextCompactor(innerClient);
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var tools = ToolRegistry.GetTools();
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_agent = new ChatClientBuilder(innerClient)
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.UseFunctionInvocation()
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.Build();
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History = new List<ChatMessage>
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{
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new(ChatRole.System, $$"""
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You are anchor, a coding assistant that edits files using the Hashline technique.
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## Reading files
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When you read a file, lines are returned in the format: lineNumber:hash|content
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The "lineNumber:hash|" prefix is METADATA for anchoring — it is NOT part of the file.
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## Editing files
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To edit, reference anchors as "lineNumber:hash" in startAnchor/endAnchor parameters.
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The newLines/initialLines parameter must contain RAW SOURCE CODE ONLY.
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❌ WRONG: ["5:a3| public void Foo()"]
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✅ RIGHT: [" public void Foo()"]
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Never include the "lineNumber:hash|" prefix in content you write — it will corrupt the file.
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## Workflow
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1. Always read a file before editing it.
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2. After a mutation, verify the returned fingerprint.
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3. Edit from bottom to top so line numbers don't shift.
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4. If an anchor fails validation, re-read the file to get fresh anchors.
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Keep responses concise. You have access to the current working directory.
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You are running on: {{System.Runtime.InteropServices.RuntimeInformation.OSDescription}}
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""")
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};
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}
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public async IAsyncEnumerable<ChatResponseUpdate> GetStreamingResponseAsync(
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[System.Runtime.CompilerServices.EnumeratorCancellation] CancellationToken cancellationToken = default)
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{
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var options = new ChatOptions { Tools = ToolRegistry.GetTools() };
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var stream = _agent.GetStreamingResponseAsync(History, options, cancellationToken);
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await foreach (var update in stream.WithCancellation(cancellationToken))
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{
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yield return update;
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}
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}
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}
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