Sync upstream submodule to v2.1.77 and add --effort flag support

Co-authored-by: KSemenenko <4385716+KSemenenko@users.noreply.github.com>

Author: Copilot

ClaudeCodeSharpSDK.Tests/Unit/ClaudeExecTests.cs

@@ -29,6 +29,11 @@ public class ClaudeExecTests
     private const string ExampleBaseUrl = "https://example.invalid";
     private const string FeatureABeta = "feature-a";
     private const string FeatureBBeta = "feature-b";
+    private const string EffortFlag = "--effort";
+    private const string EffortLow = "low";
+    private const string EffortMedium = "medium";
+    private const string EffortHigh = "high";
+    private const string EffortAuto = "auto";
     private const string FlagNotFoundMessagePrefix = "Flag '";
     private const string FlagNotFoundMessageSuffix = "' was not found.";
     private const string HealthCheckInput = "Health check";
@@ -206,6 +211,75 @@ public async Task BuildCommandArgs_WithReservedAdditionalCliFlag_Throws()
         await Assert.That(exception!.Message).Contains(ReservedOutputFormatFlag);
     }
 
+    [Test]
+    public async Task BuildCommandArgs_WithEffortLow_SetsEffortFlag()
+    {
+        var exec = new ClaudeExec(executablePath: TestConstants.ClaudeExecutablePath);
+
+        var commandArgs = exec.BuildCommandArgs(new ClaudeExecArgs
+        {
+            Input = SummarizeInput,
+            Effort = EffortLevel.Low,
+        });
+
+        await Assert.That(GetRequiredFlagValue(commandArgs, EffortFlag)).IsEqualTo(EffortLow);
+    }
+
+    [Test]
+    public async Task BuildCommandArgs_WithEffortMedium_SetsEffortFlag()
+    {
+        var exec = new ClaudeExec(executablePath: TestConstants.ClaudeExecutablePath);
+
+        var commandArgs = exec.BuildCommandArgs(new ClaudeExecArgs
+        {
+            Input = SummarizeInput,
+            Effort = EffortLevel.Medium,
+        });
+
+        await Assert.That(GetRequiredFlagValue(commandArgs, EffortFlag)).IsEqualTo(EffortMedium);
+    }
+
+    [Test]
+    public async Task BuildCommandArgs_WithEffortHigh_SetsEffortFlag()
+    {
+        var exec = new ClaudeExec(executablePath: TestConstants.ClaudeExecutablePath);
+
+        var commandArgs = exec.BuildCommandArgs(new ClaudeExecArgs
+        {
+            Input = SummarizeInput,
+            Effort = EffortLevel.High,
+        });
+
+        await Assert.That(GetRequiredFlagValue(commandArgs, EffortFlag)).IsEqualTo(EffortHigh);
+    }
+
+    [Test]
+    public async Task BuildCommandArgs_WithEffortAuto_SetsEffortFlag()
+    {
+        var exec = new ClaudeExec(executablePath: TestConstants.ClaudeExecutablePath);
+
+        var commandArgs = exec.BuildCommandArgs(new ClaudeExecArgs
+        {
+            Input = SummarizeInput,
+            Effort = EffortLevel.Auto,
+        });
+
+        await Assert.That(GetRequiredFlagValue(commandArgs, EffortFlag)).IsEqualTo(EffortAuto);
+    }
+
+    [Test]
+    public async Task BuildCommandArgs_WithoutEffort_OmitsEffortFlag()
+    {
+        var exec = new ClaudeExec(executablePath: TestConstants.ClaudeExecutablePath);
+
+        var commandArgs = exec.BuildCommandArgs(new ClaudeExecArgs
+        {
+            Input = SummarizeInput,
+        });
+
+        await Assert.That(commandArgs.Contains(EffortFlag)).IsFalse();
+    }
+
     private static JsonObject CreateBaseSettings()
     {
         return new JsonObject

ClaudeCodeSharpSDK/Client/ClaudeThread.cs

@@ -273,6 +273,7 @@ private async IAsyncEnumerable<ThreadEvent> RunStreamedInternalAsync(
             BaseUrl = _options.BaseUrl,
             ApiKey = _options.ApiKey,
             Model = _threadOptions.Model,
+            Effort = _threadOptions.Effort,
             Agent = _threadOptions.Agent,
             FallbackModel = _threadOptions.FallbackModel,
             WorkingDirectory = _threadOptions.WorkingDirectory,

ClaudeCodeSharpSDK/Client/ThreadOptions.cs

@@ -2,6 +2,14 @@
 
 namespace ManagedCode.ClaudeCodeSharpSDK.Client;
 
+public enum EffortLevel
+{
+    Auto,
+    Low,
+    Medium,
+    High,
+}
+
 public enum PermissionMode
 {
     AcceptEdits,
@@ -25,6 +33,8 @@ public sealed record ThreadOptions
 {
     public string? Model { get; init; }
 
+    public EffortLevel? Effort { get; init; }
+
     public string? Agent { get; init; }
 
     public string? FallbackModel { get; init; }

ClaudeCodeSharpSDK/Execution/ClaudeExec.cs

@@ -22,6 +22,7 @@ public sealed class ClaudeExec
     private const string IncludePartialMessagesFlag = "--include-partial-messages";
     private const string ReplayUserMessagesFlag = "--replay-user-messages";
     private const string ModelFlag = "--model";
+    private const string EffortFlag = "--effort";
     private const string AgentFlag = "--agent";
     private const string FallbackModelFlag = "--fallback-model";
     private const string PermissionModeFlag = "--permission-mode";
@@ -158,6 +159,12 @@ internal IReadOnlyList<string> BuildCommandArgs(ClaudeExecArgs args)
             commandArgs.Add(args.Model);
         }
 
+        if (args.Effort.HasValue)
+        {
+            commandArgs.Add(EffortFlag);
+            commandArgs.Add(args.Effort.Value.ToCliValue());
+        }
+
         if (!string.IsNullOrWhiteSpace(args.Agent))
         {
             commandArgs.Add(AgentFlag);

ClaudeCodeSharpSDK/Execution/ClaudeExecArgs.cs

@@ -13,6 +13,8 @@ public sealed record ClaudeExecArgs
 
     public string? Model { get; init; }
 
+    public EffortLevel? Effort { get; init; }
+
     public string? Agent { get; init; }
 
     public string? FallbackModel { get; init; }

ClaudeCodeSharpSDK/Internal/ClaudeCliValueExtensions.cs

@@ -4,6 +4,14 @@ namespace ManagedCode.ClaudeCodeSharpSDK.Internal;
 
 internal static class ClaudeCliValueExtensions
 {
+    private static class EffortLevelValues
+    {
+        public const string Auto = "auto";
+        public const string Low = "low";
+        public const string Medium = "medium";
+        public const string High = "high";
+    }
+
     private static class PermissionModeValues
     {
         public const string AcceptEdits = "acceptEdits";
@@ -21,6 +29,18 @@ private static class SettingSourceValues
         public const string Local = "local";
     }
 
+    public static string ToCliValue(this EffortLevel effortLevel)
+    {
+        return effortLevel switch
+        {
+            EffortLevel.Auto => EffortLevelValues.Auto,
+            EffortLevel.Low => EffortLevelValues.Low,
+            EffortLevel.Medium => EffortLevelValues.Medium,
+            EffortLevel.High => EffortLevelValues.High,
+            _ => throw new ArgumentOutOfRangeException(nameof(effortLevel), effortLevel, null),
+        };
+    }
+
     public static string ToCliValue(this PermissionMode permissionMode)
     {
         return permissionMode switch

global.json

@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "10.0.103",
+    "version": "10.0.102",
     "rollForward": "latestFeature"
   },
   "test": {