Hardcode includeCoAuthoredBy: false instead of adding a user setting

Agent-Logs-Url: https://github.com/microsoft/vscode-copilot-chat/sessions/b52d23f0-a148-444e-82e9-0e9e736ab8e5

Co-authored-by: pierceboggan <1091304+pierceboggan@users.noreply.github.com>

Author: Copilot

package.json

@@ -3125,11 +3125,6 @@
 						"default": false,
 						"markdownDescription": "%github.copilot.config.claudeAgent.allowDangerouslySkipPermissions%"
 					},
-					"github.copilot.chat.claudeAgent.includeCoAuthoredBy": {
-						"type": "boolean",
-						"default": true,
-						"markdownDescription": "%github.copilot.config.claudeAgent.includeCoAuthoredBy%"
-					},
 					"github.copilot.chat.reviewAgent.enabled": {
 						"type": "boolean",
 						"default": true,

package.nls.json

@@ -402,7 +402,6 @@
 	"github.copilot.config.tools.defaultToolsGrouped": "Group default tools in prompts.",
 	"github.copilot.config.claudeAgent.enabled": "Enable Claude Agent sessions in VS Code. Start and resume agentic coding sessions powered by Anthropic's Claude Agent SDK directly in the editor. Uses your existing Copilot subscription.",
 	"github.copilot.config.claudeAgent.allowDangerouslySkipPermissions": "Allow bypass permissions mode. Recommended only for sandboxes with no internet access.",
-	"github.copilot.config.claudeAgent.includeCoAuthoredBy": "Include the 'Co-authored-by: Claude' attribution in git commits and pull requests created by the Claude Agent. Set to false to disable this attribution.",
 	"github.copilot.config.cli.mcp.enabled": "Enable Model Context Protocol (MCP) server for Background Agents.",
 	"github.copilot.config.cli.branchSupport.enabled": "Enable branch support for Background Agents.",
 	"github.copilot.config.cli.forkSessions.enabled": "Enable forking sessions in Copilot CLI.",

src/extension/chatSessions/claude/node/claudeCodeAgent.ts

@@ -8,7 +8,6 @@ import Anthropic from '@anthropic-ai/sdk';
 import * as l10n from '@vscode/l10n';
 import type * as vscode from 'vscode';
 import { IChatDebugFileLoggerService } from '../../../../platform/chat/common/chatDebugFileLoggerService';
-import { IConfigurationService, ConfigKey } from '../../../../platform/configuration/common/configurationService';
 import { INativeEnvService } from '../../../../platform/env/common/envService';
 import { ILogService } from '../../../../platform/log/common/logService';
 import { IMcpService } from '../../../../platform/mcp/common/mcpService';
@@ -215,7 +214,6 @@ export class ClaudeCodeSession extends Disposable {
 		@IMcpService private readonly mcpService: IMcpService,
 		@IOTelService private readonly _otelService: IOTelService,
 		@IChatDebugFileLoggerService private readonly _debugFileLogger: IChatDebugFileLoggerService,
-		@IConfigurationService private readonly configurationService: IConfigurationService,
 	) {
 		super();
 		this._currentModelId = initialModelId;
@@ -450,7 +448,7 @@ export class ClaudeCodeSession extends Disposable {
 					USE_BUILTIN_RIPGREP: '0',
 					PATH: `${this.envService.appRoot}/node_modules/@vscode/ripgrep/bin${pathSep}${process.env.PATH}`
 				},
-				includeCoAuthoredBy: this.configurationService.getConfig(ConfigKey.ClaudeAgentIncludeCoAuthoredBy),
+				includeCoAuthoredBy: false,
 			},
 			canUseTool: async (name, input) => {
 				if (!this._currentRequest) {

src/platform/configuration/common/configurationService.ts

@@ -938,7 +938,6 @@ export namespace ConfigKey {
 	export const CodeSearchAgentEnabled = defineSetting<boolean>('chat.codesearch.enabled', ConfigType.Simple, false);
 	export const ClaudeAgentEnabled = defineSetting<boolean>('chat.claudeAgent.enabled', ConfigType.Simple, true);
 	export const ClaudeAgentAllowDangerouslySkipPermissions = defineSetting<boolean>('chat.claudeAgent.allowDangerouslySkipPermissions', ConfigType.Simple, false);
-	export const ClaudeAgentIncludeCoAuthoredBy = defineSetting<boolean>('chat.claudeAgent.includeCoAuthoredBy', ConfigType.Simple, true);
 	export const InlineEditsEnabled = defineSetting<boolean>('nextEditSuggestions.enabled', ConfigType.ExperimentBased, true);
 	export const InlineEditsEnableDiagnosticsProvider = defineSetting<boolean>('nextEditSuggestions.fixes', ConfigType.ExperimentBased, true);
 	export const InlineEditsAllowWhitespaceOnlyChanges = defineSetting<boolean>('nextEditSuggestions.allowWhitespaceOnlyChanges', ConfigType.ExperimentBased, true);