fix: correct 'GithubToken' casing to 'GitHubToken' in .NET and Go

dotnet/README.md

@@ -77,8 +77,8 @@ new CopilotClient(CopilotClientOptions? options = null)
 - `Cwd` - Working directory for the CLI process
 - `Environment` - Environment variables to pass to the CLI process
 - `Logger` - `ILogger` instance for SDK logging
-- `GithubToken` - GitHub token for authentication. When provided, takes priority over other auth methods.
-- `UseLoggedInUser` - Whether to use logged-in user for authentication (default: true, but false when `GithubToken` is provided). Cannot be used with `CliUrl`.
+- `GitHubToken` - GitHub token for authentication. When provided, takes priority over other auth methods.
+- `UseLoggedInUser` - Whether to use logged-in user for authentication (default: true, but false when `GitHubToken` is provided). Cannot be used with `CliUrl`.
 
 #### Methods
 

dotnet/src/Client.cs

@@ -117,9 +117,9 @@ public CopilotClient(CopilotClientOptions? options = null)
         }
 
         // Validate auth options with external server
-        if (!string.IsNullOrEmpty(_options.CliUrl) && (!string.IsNullOrEmpty(_options.GithubToken) || _options.UseLoggedInUser != null))
+        if (!string.IsNullOrEmpty(_options.CliUrl) && (!string.IsNullOrEmpty(_options.GitHubToken) || _options.UseLoggedInUser != null))
         {
-            throw new ArgumentException("GithubToken and UseLoggedInUser cannot be used with CliUrl (external server manages its own auth)");
+            throw new ArgumentException("GitHubToken and UseLoggedInUser cannot be used with CliUrl (external server manages its own auth)");
         }
 
         _logger = _options.Logger ?? NullLogger.Instance;
@@ -944,13 +944,13 @@ private async Task VerifyProtocolVersionAsync(Connection connection, Cancellatio
         }
 
         // Add auth-related flags
-        if (!string.IsNullOrEmpty(options.GithubToken))
+        if (!string.IsNullOrEmpty(options.GitHubToken))
         {
             args.AddRange(["--auth-token-env", "COPILOT_SDK_AUTH_TOKEN"]);
         }
 
-        // Default UseLoggedInUser to false when GithubToken is provided
-        var useLoggedInUser = options.UseLoggedInUser ?? string.IsNullOrEmpty(options.GithubToken);
+        // Default UseLoggedInUser to false when GitHubToken is provided
+        var useLoggedInUser = options.UseLoggedInUser ?? string.IsNullOrEmpty(options.GitHubToken);
         if (!useLoggedInUser)
         {
             args.Add("--no-auto-login");
@@ -982,9 +982,9 @@ private async Task VerifyProtocolVersionAsync(Connection connection, Cancellatio
         startInfo.Environment.Remove("NODE_DEBUG");
 
         // Set auth token in environment if provided
-        if (!string.IsNullOrEmpty(options.GithubToken))
+        if (!string.IsNullOrEmpty(options.GitHubToken))
         {
-            startInfo.Environment["COPILOT_SDK_AUTH_TOKEN"] = options.GithubToken;
+            startInfo.Environment["COPILOT_SDK_AUTH_TOKEN"] = options.GitHubToken;
         }
 
         var cliProcess = new Process { StartInfo = startInfo };

dotnet/src/Types.cs

@@ -44,7 +44,7 @@ protected CopilotClientOptions(CopilotClientOptions? other)
         CliUrl = other.CliUrl;
         Cwd = other.Cwd;
         Environment = other.Environment;
-        GithubToken = other.GithubToken;
+        GitHubToken = other.GitHubToken;
         Logger = other.Logger;
         LogLevel = other.LogLevel;
         Port = other.Port;
@@ -72,13 +72,23 @@ protected CopilotClientOptions(CopilotClientOptions? other)
     /// When provided, the token is passed to the CLI server via environment variable.
     /// This takes priority over other authentication methods.
     /// </summary>
-    public string? GithubToken { get; set; }
+    public string? GitHubToken { get; set; }
+
+    /// <summary>
+    /// Obsolete. Use <see cref="GitHubToken"/> instead.
+    /// </summary>
+    [Obsolete("Use GitHubToken instead.", error: false)]
+    public string? GithubToken
+    {
+        get => GitHubToken;
+        set => GitHubToken = value;
+    }
 
     /// <summary>
     /// Whether to use the logged-in user for authentication.
     /// When true, the CLI server will attempt to use stored OAuth tokens or gh CLI auth.
-    /// When false, only explicit tokens (GithubToken or environment variables) are used.
-    /// Default: true (but defaults to false when GithubToken is provided).
+    /// When false, only explicit tokens (GitHubToken or environment variables) are used.
+    /// Default: true (but defaults to false when GitHubToken is provided).
     /// </summary>
     public bool? UseLoggedInUser { get; set; }
 

dotnet/test/ClientTests.cs

@@ -149,14 +149,14 @@ public async Task Should_List_Models_When_Authenticated()
     }
 
     [Fact]
-    public void Should_Accept_GithubToken_Option()
+    public void Should_Accept_GitHubToken_Option()
     {
         var options = new CopilotClientOptions
         {
-            GithubToken = "gho_test_token"
+            GitHubToken = "gho_test_token"
         };
 
-        Assert.Equal("gho_test_token", options.GithubToken);
+        Assert.Equal("gho_test_token", options.GitHubToken);
     }
 
     [Fact]
@@ -179,26 +179,26 @@ public void Should_Allow_Explicit_UseLoggedInUser_False()
     }
 
     [Fact]
-    public void Should_Allow_Explicit_UseLoggedInUser_True_With_GithubToken()
+    public void Should_Allow_Explicit_UseLoggedInUser_True_With_GitHubToken()
     {
         var options = new CopilotClientOptions
         {
-            GithubToken = "gho_test_token",
+            GitHubToken = "gho_test_token",
             UseLoggedInUser = true
         };
 
         Assert.True(options.UseLoggedInUser);
     }
 
     [Fact]
-    public void Should_Throw_When_GithubToken_Used_With_CliUrl()
+    public void Should_Throw_When_GitHubToken_Used_With_CliUrl()
     {
         Assert.Throws<ArgumentException>(() =>
         {
             _ = new CopilotClient(new CopilotClientOptions
             {
                 CliUrl = "localhost:8080",
-                GithubToken = "gho_test_token"
+                GitHubToken = "gho_test_token"
             });
         });
     }

dotnet/test/CloneTests.cs

@@ -24,7 +24,7 @@ public void CopilotClientOptions_Clone_CopiesAllProperties()
             AutoStart = false,
             AutoRestart = false,
             Environment = new Dictionary<string, string> { ["KEY"] = "value" },
-            GithubToken = "ghp_test",
+            GitHubToken = "ghp_test",
             UseLoggedInUser = false,
         };
 
@@ -40,7 +40,7 @@ public void CopilotClientOptions_Clone_CopiesAllProperties()
         Assert.Equal(original.AutoStart, clone.AutoStart);
         Assert.Equal(original.AutoRestart, clone.AutoRestart);
         Assert.Equal(original.Environment, clone.Environment);
-        Assert.Equal(original.GithubToken, clone.GithubToken);
+        Assert.Equal(original.GitHubToken, clone.GitHubToken);
         Assert.Equal(original.UseLoggedInUser, clone.UseLoggedInUser);
     }
 

dotnet/test/Harness/E2ETestContext.cs

@@ -94,7 +94,7 @@ public IReadOnlyDictionary<string, string> GetEnvironment()
         Cwd = WorkDir,
         CliPath = GetCliPath(_repoRoot),
         Environment = GetEnvironment(),
-        GithubToken = !string.IsNullOrEmpty(Environment.GetEnvironmentVariable("CI")) ? "fake-token-for-e2e-tests" : null,
+        GitHubToken = !string.IsNullOrEmpty(Environment.GetEnvironmentVariable("CI")) ? "fake-token-for-e2e-tests" : null,
     });
 
     public async ValueTask DisposeAsync()

go/README.md

@@ -138,8 +138,8 @@ Event types: `SessionLifecycleCreated`, `SessionLifecycleDeleted`, `SessionLifec
 - `AutoStart` (\*bool): Auto-start server on first use (default: true). Use `Bool(false)` to disable.
 - `AutoRestart` (\*bool): Auto-restart on crash (default: true). Use `Bool(false)` to disable.
 - `Env` ([]string): Environment variables for CLI process (default: inherits from current process)
-- `GithubToken` (string): GitHub token for authentication. When provided, takes priority over other auth methods.
-- `UseLoggedInUser` (\*bool): Whether to use logged-in user for authentication (default: true, but false when `GithubToken` is provided). Cannot be used with `CLIUrl`.
+- `GitHubToken` (string): GitHub token for authentication. When provided, takes priority over other auth methods.
+- `UseLoggedInUser` (\*bool): Whether to use logged-in user for authentication (default: true, but false when `GitHubToken` is provided). Cannot be used with `CLIUrl`.
 
 **SessionConfig:**
 

go/client.go

@@ -134,8 +134,8 @@ func NewClient(options *ClientOptions) *Client {
 		}
 
 		// Validate auth options with external server
-		if options.CLIUrl != "" && (options.GithubToken != "" || options.UseLoggedInUser != nil) {
-			panic("GithubToken and UseLoggedInUser cannot be used with CLIUrl (external server manages its own auth)")
+		if options.CLIUrl != "" && (options.GitHubToken != "" || options.UseLoggedInUser != nil) {
+			panic("GitHubToken and UseLoggedInUser cannot be used with CLIUrl (external server manages its own auth)")
 		}
 
 		// Parse CLIUrl if provided
@@ -177,8 +177,8 @@ func NewClient(options *ClientOptions) *Client {
 		if options.AutoRestart != nil {
 			client.autoRestart = *options.AutoRestart
 		}
-		if options.GithubToken != "" {
-			opts.GithubToken = options.GithubToken
+		if options.GitHubToken != "" {
+			opts.GitHubToken = options.GitHubToken
 		}
 		if options.UseLoggedInUser != nil {
 			opts.UseLoggedInUser = options.UseLoggedInUser
@@ -1040,14 +1040,14 @@ func (c *Client) startCLIServer(ctx context.Context) error {
 	}
 
 	// Add auth-related flags
-	if c.options.GithubToken != "" {
+	if c.options.GitHubToken != "" {
 		args = append(args, "--auth-token-env", "COPILOT_SDK_AUTH_TOKEN")
 	}
-	// Default useLoggedInUser to false when GithubToken is provided
+	// Default useLoggedInUser to false when GitHubToken is provided
 	useLoggedInUser := true
 	if c.options.UseLoggedInUser != nil {
 		useLoggedInUser = *c.options.UseLoggedInUser
-	} else if c.options.GithubToken != "" {
+	} else if c.options.GitHubToken != "" {
 		useLoggedInUser = false
 	}
 	if !useLoggedInUser {
@@ -1074,8 +1074,8 @@ func (c *Client) startCLIServer(ctx context.Context) error {
 
 	// Add auth token if needed.
 	c.process.Env = c.options.Env
-	if c.options.GithubToken != "" {
-		c.process.Env = append(c.process.Env, "COPILOT_SDK_AUTH_TOKEN="+c.options.GithubToken)
+	if c.options.GitHubToken != "" {
+		c.process.Env = append(c.process.Env, "COPILOT_SDK_AUTH_TOKEN="+c.options.GitHubToken)
 	}
 
 	if c.useStdio {

go/client_test.go

@@ -255,17 +255,17 @@ func TestClient_URLParsing(t *testing.T) {
 }
 
 func TestClient_AuthOptions(t *testing.T) {
-	t.Run("should accept GithubToken option", func(t *testing.T) {
+	t.Run("should accept GitHubToken option", func(t *testing.T) {
 		client := NewClient(&ClientOptions{
-			GithubToken: "gho_test_token",
+			GitHubToken: "gho_test_token",
 		})
 
-		if client.options.GithubToken != "gho_test_token" {
-			t.Errorf("Expected GithubToken to be 'gho_test_token', got %q", client.options.GithubToken)
+		if client.options.GitHubToken != "gho_test_token" {
+			t.Errorf("Expected GitHubToken to be 'gho_test_token', got %q", client.options.GitHubToken)
 		}
 	})
 
-	t.Run("should default UseLoggedInUser to nil when no GithubToken", func(t *testing.T) {
+	t.Run("should default UseLoggedInUser to nil when no GitHubToken", func(t *testing.T) {
 		client := NewClient(&ClientOptions{})
 
 		if client.options.UseLoggedInUser != nil {
@@ -283,9 +283,9 @@ func TestClient_AuthOptions(t *testing.T) {
 		}
 	})
 
-	t.Run("should allow explicit UseLoggedInUser true with GithubToken", func(t *testing.T) {
+	t.Run("should allow explicit UseLoggedInUser true with GitHubToken", func(t *testing.T) {
 		client := NewClient(&ClientOptions{
-			GithubToken:     "gho_test_token",
+			GitHubToken:     "gho_test_token",
 			UseLoggedInUser: Bool(true),
 		})
 
@@ -294,12 +294,12 @@ func TestClient_AuthOptions(t *testing.T) {
 		}
 	})
 
-	t.Run("should throw error when GithubToken is used with CLIUrl", func(t *testing.T) {
+	t.Run("should throw error when GitHubToken is used with CLIUrl", func(t *testing.T) {
 		defer func() {
 			if r := recover(); r == nil {
 				t.Error("Expected panic for auth options with CLIUrl")
 			} else {
-				matched, _ := regexp.MatchString("GithubToken and UseLoggedInUser cannot be used with CLIUrl", r.(string))
+				matched, _ := regexp.MatchString("GitHubToken and UseLoggedInUser cannot be used with CLIUrl", r.(string))
 				if !matched {
 					t.Errorf("Expected panic message about auth options, got: %v", r)
 				}
@@ -308,7 +308,7 @@ func TestClient_AuthOptions(t *testing.T) {
 
 		NewClient(&ClientOptions{
 			CLIUrl:      "localhost:8080",
-			GithubToken: "gho_test_token",
+			GitHubToken: "gho_test_token",
 		})
 	})
 
@@ -317,7 +317,7 @@ func TestClient_AuthOptions(t *testing.T) {
 			if r := recover(); r == nil {
 				t.Error("Expected panic for auth options with CLIUrl")
 			} else {
-				matched, _ := regexp.MatchString("GithubToken and UseLoggedInUser cannot be used with CLIUrl", r.(string))
+				matched, _ := regexp.MatchString("GitHubToken and UseLoggedInUser cannot be used with CLIUrl", r.(string))
 				if !matched {
 					t.Errorf("Expected panic message about auth options, got: %v", r)
 				}

go/internal/e2e/testharness/context.go

@@ -167,7 +167,7 @@ func (c *TestContext) NewClient() *copilot.Client {
 
 	// Use fake token in CI to allow cached responses without real auth
 	if os.Getenv("CI") == "true" {
-		options.GithubToken = "fake-token-for-e2e-tests"
+		options.GitHubToken = "fake-token-for-e2e-tests"
 	}
 
 	return copilot.NewClient(options)

go/types.go

@@ -44,14 +44,14 @@ type ClientOptions struct {
 	// If Env contains duplicate environment keys, only the last value in the
 	// slice for each duplicate key is used.
 	Env []string
-	// GithubToken is the GitHub token to use for authentication.
+	// GitHubToken is the GitHub token to use for authentication.
 	// When provided, the token is passed to the CLI server via environment variable.
 	// This takes priority over other authentication methods.
-	GithubToken string
+	GitHubToken string
 	// UseLoggedInUser controls whether to use the logged-in user for authentication.
 	// When true, the CLI server will attempt to use stored OAuth tokens or gh CLI auth.
-	// When false, only explicit tokens (GithubToken or environment variables) are used.
-	// Default: true (but defaults to false when GithubToken is provided).
+	// When false, only explicit tokens (GitHubToken or environment variables) are used.
+	// Default: true (but defaults to false when GitHubToken is provided).
 	// Use Bool(false) to explicitly disable.
 	UseLoggedInUser *bool
 }

test/scenarios/auth/gh-app/csharp/Program.cs

@@ -61,7 +61,7 @@
 using var client = new CopilotClient(new CopilotClientOptions
 {
     CliPath = Environment.GetEnvironmentVariable("COPILOT_CLI_PATH"),
-    GithubToken = accessToken,
+    GitHubToken = accessToken,
 });
 
 await client.StartAsync();

test/scenarios/auth/gh-app/go/main.go

@@ -162,7 +162,7 @@ func main() {
 	}
 
 	client := copilot.NewClient(&copilot.ClientOptions{
-		GithubToken: token,
+		GitHubToken: token,
 	})
 
 	ctx := context.Background()

test/scenarios/bundling/fully-bundled/csharp/Program.cs

@@ -3,7 +3,7 @@
 using var client = new CopilotClient(new CopilotClientOptions
 {
     CliPath = Environment.GetEnvironmentVariable("COPILOT_CLI_PATH"),
-    GithubToken = Environment.GetEnvironmentVariable("GITHUB_TOKEN"),
+    GitHubToken = Environment.GetEnvironmentVariable("GITHUB_TOKEN"),
 });
 
 await client.StartAsync();

test/scenarios/bundling/fully-bundled/go/main.go

@@ -12,7 +12,7 @@ import (
 func main() {
 	// Go SDK auto-reads COPILOT_CLI_PATH from env
 	client := copilot.NewClient(&copilot.ClientOptions{
-		GithubToken: os.Getenv("GITHUB_TOKEN"),
+		GitHubToken: os.Getenv("GITHUB_TOKEN"),
 	})
 
 	ctx := context.Background()

test/scenarios/callbacks/hooks/csharp/Program.cs

@@ -5,7 +5,7 @@
 using var client = new CopilotClient(new CopilotClientOptions
 {
     CliPath = Environment.GetEnvironmentVariable("COPILOT_CLI_PATH"),
-    GithubToken = Environment.GetEnvironmentVariable("GITHUB_TOKEN"),
+    GitHubToken = Environment.GetEnvironmentVariable("GITHUB_TOKEN"),
 });
 
 await client.StartAsync();

test/scenarios/callbacks/hooks/go/main.go

@@ -23,7 +23,7 @@ func main() {
 	}
 
 	client := copilot.NewClient(&copilot.ClientOptions{
-		GithubToken: os.Getenv("GITHUB_TOKEN"),
+		GitHubToken: os.Getenv("GITHUB_TOKEN"),
 	})
 
 	ctx := context.Background()

test/scenarios/callbacks/permissions/csharp/Program.cs

@@ -5,7 +5,7 @@
 using var client = new CopilotClient(new CopilotClientOptions
 {
     CliPath = Environment.GetEnvironmentVariable("COPILOT_CLI_PATH"),
-    GithubToken = Environment.GetEnvironmentVariable("GITHUB_TOKEN"),
+    GitHubToken = Environment.GetEnvironmentVariable("GITHUB_TOKEN"),
 });
 
 await client.StartAsync();

test/scenarios/callbacks/permissions/go/main.go

@@ -17,7 +17,7 @@ func main() {
 	)
 
 	client := copilot.NewClient(&copilot.ClientOptions{
-		GithubToken: os.Getenv("GITHUB_TOKEN"),
+		GitHubToken: os.Getenv("GITHUB_TOKEN"),
 	})
 
 	ctx := context.Background()