Disable debug log aggregation by default

Author: pwang347

package.json

@@ -3182,6 +3182,15 @@
 							"preview",
 							"onExp"
 						]
+					},
+					"github.copilot.agentDebugLog.enabled": {
+						"type": "boolean",
+						"default": false,
+						"markdownDescription": "%github.copilot.config.agentDebugLog.enabled%",
+						"tags": [
+							"preview",
+							"onExp"
+						]
 					}
 				}
 			},

package.nls.json

@@ -381,6 +381,7 @@
 	"github.copilot.config.instantApply.shortContextLimit": "Token limit for short context instant apply.",
 	"github.copilot.config.summarizeAgentConversationHistoryThreshold": "Threshold for compacting agent conversation history.",
 	"github.copilot.config.agentHistorySummarizationMode": "Mode for agent history summarization.",
+	"github.copilot.config.agentDebugLog.enabled": "When enabled, collect agent request information (tool calls, LLM requests, token usage, and errors) for viewing and troubleshooting in VS Code. Requires window reload to take effect.",
 	"github.copilot.config.backgroundCompaction": "Enable background compaction of conversation history.",
 	"github.copilot.config.agentHistorySummarizationWithPromptCache": "Use prompt caching for agent history summarization.",
 	"github.copilot.config.agentHistorySummarizationForceGpt41": "Force GPT-4.1 for agent history summarization.",

src/extension/agentDebug/node/agentDebugEventCollector.ts

@@ -3,10 +3,12 @@
  *  Licensed under the MIT License. See License.txt in the project root for license information.
  *--------------------------------------------------------------------------------------------*/
 
+import { ConfigKey, IConfigurationService } from '../../../platform/configuration/common/configurationService';
 import { ICustomInstructionsService } from '../../../platform/customInstructions/common/customInstructionsService';
 import { INSTRUCTION_FILE_EXTENSION } from '../../../platform/customInstructions/common/promptTypes';
 import { CapturingToken } from '../../../platform/requestLogger/common/capturingToken';
 import { IRequestLogger, LoggedInfoKind, LoggedRequestKind } from '../../../platform/requestLogger/node/requestLogger';
+import { IExperimentationService } from '../../../platform/telemetry/common/nullExperimentationService';
 import { ITrajectoryLogger } from '../../../platform/trajectory/common/trajectoryLogger';
 import type { ITrajectoryStep } from '../../../platform/trajectory/common/trajectoryTypes';
 import { Disposable } from '../../../util/vs/base/common/lifecycle';
@@ -48,9 +50,15 @@ export class AgentDebugEventCollector extends Disposable {
 		@ITrajectoryLogger private readonly _trajectoryLogger: ITrajectoryLogger,
 		@ICustomInstructionsService private readonly _customInstructionsService: ICustomInstructionsService,
 		@IToolResultContentRenderer private readonly _toolResultRenderer: IToolResultContentRenderer,
+		@IConfigurationService private readonly _configurationService: IConfigurationService,
+		@IExperimentationService private readonly _experimentationService: IExperimentationService,
 	) {
 		super();
 
+		if (!this._configurationService.getExperimentBasedConfig(ConfigKey.AgentDebugLogEnabled, this._experimentationService)) {
+			return;
+		}
+
 		// --- IRequestLogger subscription ---
 		this._register(this._requestLogger.onDidChangeRequests(() => {
 			this._syncFromRequestLogger();

src/extension/trajectory/vscode-node/chatDebugLogProvider.ts

@@ -6,10 +6,12 @@
 import { Raw } from '@vscode/prompt-tsx';
 import * as vscode from 'vscode';
 import { ChatFetchResponseType } from '../../../platform/chat/common/commonTypes';
+import { ConfigKey, IConfigurationService } from '../../../platform/configuration/common/configurationService';
 import { ILogService } from '../../../platform/log/common/logService';
 import { messageToMarkdown } from '../../../platform/log/common/messageStringify';
 import { isOpenAiFunctionTool } from '../../../platform/networking/common/fetch';
 import { IRequestLogger, LoggedInfoKind, LoggedRequestKind, type LoggedRequest } from '../../../platform/requestLogger/node/requestLogger';
+import { IExperimentationService } from '../../../platform/telemetry/common/nullExperimentationService';
 import { ITrajectoryLogger, ITrajectoryStep } from '../../../platform/trajectory/common/trajectoryLogger';
 import { Disposable } from '../../../util/vs/base/common/lifecycle';
 import { generateUuid } from '../../../util/vs/base/common/uuid';
@@ -570,9 +572,15 @@ export class ChatDebugLogProviderContribution extends Disposable implements IExt
 		@IAgentDebugEventService private readonly _debugEventService: IAgentDebugEventService,
 		@ILogService private readonly _logService: ILogService,
 		@IRequestLogger private readonly _requestLogger: IRequestLogger,
+		@IConfigurationService private readonly _configurationService: IConfigurationService,
+		@IExperimentationService private readonly _experimentationService: IExperimentationService,
 	) {
 		super();
 
+		if (!this._configurationService.getExperimentBasedConfig(ConfigKey.AgentDebugLogEnabled, this._experimentationService)) {
+			return;
+		}
+
 		if (typeof vscode.chat?.registerChatDebugLogProvider !== 'function') {
 			this._logService.info('[ChatDebugLogProvider] Chat debug API not available, skipping registration');
 			return;

src/platform/configuration/common/configurationService.ts

@@ -981,6 +981,7 @@ export namespace ConfigKey {
 	export const AutomaticRenameSuggestions = defineSetting('renameSuggestions.triggerAutomatically', ConfigType.Simple, true);
 	export const TerminalToDebuggerEnabled = defineSetting('chat.copilotDebugCommand.enabled', ConfigType.Simple, true);
 	export const CodeSearchAgentEnabled = defineSetting<boolean>('chat.codesearch.enabled', ConfigType.Simple, false);
+	export const AgentDebugLogEnabled = defineSetting<boolean>('agentDebugLog.enabled', ConfigType.ExperimentBased, 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 InlineEditsEnabled = defineSetting<boolean>('nextEditSuggestions.enabled', ConfigType.ExperimentBased, true);