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Update Copilot SDK model selection #211

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Merged
Redth merged 1 commit into from
Jul 20, 2026
Merged

Update Copilot SDK model selection #211

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12 changes: 12 additions & 0 deletions src/MauiSherpa.Core/Interfaces.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -2510,6 +2510,8 @@ Task<MultiOperationResult> RunAsync(
event Action? OnModalClosed;
}

public sealed record CopilotModelOption(string Id, string Name);

/// <summary>
/// Service for interacting with GitHub Copilot
/// </summary>
Expand Down Expand Up @@ -2550,6 +2552,16 @@ public interface ICopilotService
/// </summary>
/// <param name="model">Optional model to use</param>
Task StartSessionAsync(string? model = null, string? systemPrompt = null);

/// <summary>
/// Get the models available to the authenticated user.
/// </summary>
Task<IReadOnlyList<CopilotModelOption>> ListModelsAsync();

/// <summary>
/// Change the model for the active chat session.
/// </summary>
Task SetModelAsync(string model);

/// <summary>
/// End the current chat session
Expand Down
2 changes: 1 addition & 1 deletion src/MauiSherpa.Core/MauiSherpa.Core.csproj
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Expand Up @@ -38,7 +38,7 @@
<PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="10.0.9" />
<PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="10.0.9" />
<PackageReference Include="FluentValidation" Version="12.1.1" />
<PackageReference Include="GitHub.Copilot.SDK" Version="1.0.3" />
<PackageReference Include="GitHub.Copilot.SDK" Version="1.0.7" />
<PackageReference Include="Microsoft.TeamFoundation.DistributedTask.WebApi" Version="19.225.2" />
<PackageReference Include="Microsoft.TeamFoundationServer.Client" Version="19.225.2" />
<PackageReference Include="Microsoft.VisualStudio.Services.Client" Version="19.225.2" />
Expand Down
29 changes: 27 additions & 2 deletions src/MauiSherpa.Core/Services/CopilotService.cs
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Expand Up @@ -598,7 +598,8 @@ public async Task StartSessionAsync(string? model = null, string? systemPrompt =

try
{
_logger.LogInformation($"Starting Copilot session with model: {model ?? "default"}");
var selectedModel = string.IsNullOrWhiteSpace(model) ? "auto" : model;
_logger.LogInformation($"Starting Copilot session with model: {selectedModel}");

// Get tools from tools service
var tools = _toolsService.GetTools();
Expand All @@ -609,7 +610,7 @@ public async Task StartSessionAsync(string? model = null, string? systemPrompt =

var config = new SessionConfig
{
Model = model ?? "claude-opus-4.5", // Use Claude Opus 4.5 as default
Model = selectedModel,
Streaming = true,
Tools = tools.Cast<AIFunctionDeclaration>().ToList(),
OnPermissionRequest = HandleSdkPermissionRequest,
Expand Down Expand Up @@ -657,6 +658,30 @@ public async Task StartSessionAsync(string? model = null, string? systemPrompt =
throw;
}
}

public async Task<IReadOnlyList<CopilotModelOption>> ListModelsAsync()
{
if (_client == null)
{
throw new InvalidOperationException("Not connected to Copilot. Call ConnectAsync first.");
}

var models = await _client.ListModelsAsync();
return models
.Select(model => new CopilotModelOption(model.Id, model.Name ?? model.Id))
.ToList();
}

public async Task SetModelAsync(string model)
{
if (_session == null)
{
throw new InvalidOperationException("No active Copilot session. Call StartSessionAsync first.");
}

await _session.SetModelAsync(model);
_logger.LogInformation($"Copilot session model changed to: {model}");
}

#pragma warning disable GHCP001
private async Task<GitHub.Copilot.Rpc.PermissionDecision> HandleSdkPermissionRequest(PermissionRequest request, PermissionInvocation invocation)
Expand Down
2 changes: 1 addition & 1 deletion src/MauiSherpa.MacOS/MauiSherpa.MacOS.csproj
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Expand Up @@ -35,7 +35,7 @@
<PackageReference Include="Blazorise.Icons.FontAwesome" Version="1.7.2" />
<!-- Reference the SDK directly so its build targets run with the AppKit publish RID
instead of inheriting the build-host architecture from MauiSherpa.Core. -->
<PackageReference Include="GitHub.Copilot.SDK" Version="1.0.3" PrivateAssets="all" />
<PackageReference Include="GitHub.Copilot.SDK" Version="1.0.7" PrivateAssets="all" />
<PackageReference Include="Microsoft.AspNetCore.Components.QuickGrid" Version="10.0.1" />
<PackageReference Include="Markdig" Version="0.44.0" />
<PackageReference Include="Microsoft.AspNetCore.Components.WebView.Maui" Version="10.0.1" />
Expand Down
83 changes: 81 additions & 2 deletions src/MauiSherpa/Pages/Copilot.razor
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Expand Up @@ -191,6 +191,15 @@ else
<div class="chat-layout">
<!-- Chat Messages -->
<div class="chat-container">
<div class="model-selector">
<label for="copilot-model"><i class="fas fa-robot"></i> Model</label>
<select id="copilot-model" value="@selectedModel" @onchange="SelectModelAsync" disabled="@isBusy">
@foreach (var model in availableModels)
{
<option value="@model.Id">@model.Name</option>
}
</select>
</div>
<div class="chat-messages" @ref="chatMessagesRef" @onscroll="OnChatScroll">
@* Show suggestions as first item - collapsible *@
<div class="suggestions-bubble @(suggestionsCollapsed ? "collapsed" : "")">
Expand Down Expand Up @@ -806,6 +815,34 @@ else
gap: 1.25rem;
}

.model-selector {
display: flex;
align-items: center;
gap: 0.5rem;
padding: 0.5rem 0.75rem;
border-bottom: 1px solid var(--border-color);
color: var(--text-secondary);
font-size: 0.8rem;
}

.model-selector label {
display: flex;
align-items: center;
gap: 0.35rem;
font-weight: 600;
}

.model-selector select {
min-width: 10rem;
max-width: 16rem;
padding: 0.25rem 0.5rem;
border: 1px solid var(--border-color);
border-radius: 4px;
background: var(--bg-tertiary);
color: var(--text-primary);
font: inherit;
}

.suggestions-section {
background: var(--card-bg);
border-radius: 0.75rem;
Expand Down Expand Up @@ -2180,6 +2217,8 @@ else
private CopilotAvailability? availability;
private bool isConnecting = false;
private bool isBusy = false;
private string selectedModel = "auto";
private List<CopilotModelOption> availableModels = [new("auto", "Auto")];
private bool suggestionsCollapsed = false;
private string userInput = "";
private string currentResponse = "";
Expand Down Expand Up @@ -2448,7 +2487,8 @@ else
try
{
await CopilotService.ConnectAsync();
await CopilotService.StartSessionAsync(systemPrompt: _systemPrompt);
await CopilotService.StartSessionAsync(selectedModel, _systemPrompt);
await LoadModelsAsync();
availability = availability is null
? new CopilotAvailability(true, true, null, null, null)
: availability with { IsInstalled = true, IsAuthenticated = true, ErrorMessage = null };
Expand Down Expand Up @@ -2534,11 +2574,12 @@ else
if (!CopilotService.IsConnected)
{
await CopilotService.ConnectAsync();
await LoadModelsAsync();
}

if (CopilotService.CurrentSessionId == null)
{
await CopilotService.StartSessionAsync(systemPrompt: _systemPrompt);
await CopilotService.StartSessionAsync(selectedModel, _systemPrompt);
}

await CopilotService.SendMessageAsync(message);
Expand All @@ -2553,6 +2594,44 @@ else
}
}

private async Task LoadModelsAsync()
{
try
{
var models = await CopilotService.ListModelsAsync();
availableModels = [
new CopilotModelOption("auto", "Auto"),
.. models.Where(model => !string.Equals(model.Id, "auto", StringComparison.OrdinalIgnoreCase))
];
}
catch (Exception ex)
{
_logger.LogWarning($"Unable to load Copilot models: {ex.Message}");
}
}

private async Task SelectModelAsync(ChangeEventArgs args)
{
var model = args.Value?.ToString();
if (string.IsNullOrWhiteSpace(model) || string.Equals(model, selectedModel, StringComparison.Ordinal))
return;

var previousModel = selectedModel;
selectedModel = model;

try
{
await CopilotService.SetModelAsync(selectedModel);
currentUsageInfo = null;
}
catch (Exception ex)
{
selectedModel = previousModel;
_logger.LogError($"Unable to change Copilot model: {ex.Message}", ex);
await AlertService.ShowAlertAsync("Model Change Failed", ex.Message);
}
}

private void OnNativeMessageSubmitted(string message)
{
InvokeAsync(async () =>
Expand Down
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