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/*---------------------------------------------------------------------------------------------
copilotAgent.ts
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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import { CopilotClient, RuntimeConnection, type CopilotClientOptions, type GitHubTelemetryNotification } from '@github/copilot-sdk';
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import * as fs from 'fs/promises';
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import * as os from 'os';
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import { pathToFileURL } from 'url';
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import { CancelablePromise, createCancelablePromise, DeferredPromise, Delayer, disposableTimeout, Limiter, SequencerByKey } from '../../../../base/common/async.js';
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import { type CancellationToken } from '../../../../base/common/cancellation.js';
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import { CancellationError } from '../../../../base/common/errors.js';
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import { Emitter, Event } from '../../../../base/common/event.js';
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import { combinedDisposable, Disposable, DisposableMap, MutableDisposable } from '../../../../base/common/lifecycle.js';
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import { ResourceMap } from '../../../../base/common/map.js';
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import { FileAccess } from '../../../../base/common/network.js';
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import { formatTokenCount } from '../../../../base/common/numbers.js';
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import { equals } from '../../../../base/common/objects.js';
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import { autorun, observableValue, type ISettableObservable } from '../../../../base/common/observable.js';
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import { delimiter, dirname, join } from '../../../../base/common/path.js';
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import { basename as resourceBasename, isEqual, isEqualOrParent, joinPath as resourceJoinPath, relativePath } from '../../../../base/common/resources.js';
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import { URI } from '../../../../base/common/uri.js';
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import { generateUuid } from '../../../../base/common/uuid.js';
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import { rgDiskPath } from '../../../../base/node/ripgrep.js';
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import { localize } from '../../../../nls.js';
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import { IParsedAgent, IParsedPlugin, IParsedRule, IParsedSkill, parseAgentFile, parsePlugin, parseRuleFile, parseSkillFile, PluginFormat } from '../../../agentPlugins/common/pluginParsers.js';
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import { AiAgentEnvValue, AiAgentEnvVar } from '../../../chat/common/aiAgentEnv.js';
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import { IFileService } from '../../../files/common/files.js';
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import { IInstantiationService } from '../../../instantiation/common/instantiation.js';
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import { ILogService, LogLevel } from '../../../log/common/log.js';
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import { ITelemetryService } from '../../../telemetry/common/telemetry.js';
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import { INativeEnvironmentService } from '../../../../platform/environment/common/environment.js';
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import { workspacelessScratchDir } from '../workspacelessScratchDir.js';
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import { IAgentHostCheckpointService } from '../../common/agentHostCheckpointService.js';
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import { IAgentHostReviewService } from '../../common/agentHostReviewService.js';
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import { createPricingMetaFromBilling, hasLongContextSurcharge, normalizeCAPIBilling, type ICAPIModelBilling } from '../../common/agentModelPricing.js';
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import { createAgentModelByokMeta } from '../../common/agentModelByokMeta.js';
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import { AgentHostConfigKey, agentHostCustomizationConfigSchema, DEFAULT_SESSION_CUSTOMIZATION_DISCOVERY_MODE, toContainerCustomization } from '../../common/agentHostCustomizationConfig.js';
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import { CopilotCliConfigKey, copilotCliConfigSchema, type CopilotSdkLogLevelSetting } from '../../common/copilotCliConfig.js';
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import { AgentHostMcpServersConfigKey, AgentHostPreferLongContextEnabledConfigKey, AgentHostSessionSyncEnabledConfigKey, AgentHostSystemProxyEnabledConfigKey, AutoApproveLevel, SessionMode, migrateLegacyAutopilotConfig, platformRootSchema, platformSessionSchema, type AgentHostMcpServers } from '../../common/agentHostSchema.js';
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import { IAgentPluginManager, ISyncedCustomization } from '../../common/agentPluginManager.js';
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import { AgentSessionEntry, decodeProviderData, encodeProviderData, prepareSideChatPrompt, stripSideChatContext, type IPersistedChat } from '../agentPeerChats.js';
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import { AgentSession, AgentSignal, AuthenticateParams, IActiveClient, IAgent, IAgentChatDataChange, IAgentChats, IAgentLegacyChat, IAgentCreateChatForkSource, IAgentCreateChatOptions, IAgentCreateChatResult, IAgentCreateSessionConfig, IAgentCreateSessionResult, IAgentDescriptor, IAgentHostManagedSettingsSnapshot, IAgentHostNetworkEndpoint, IAgentMaterializeSessionEvent, IAgentModelInfo, IAgentResolveSessionConfigParams, IAgentSessionConfigCompletionsParams, IAgentSessionMetadata, IAgentSessionProjectInfo, IAgentSpawnChatEvent, IMcpNotification, IRestoredSubagentSession, SubagentChatSignal } from '../../common/agentService.js';
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import { getReasoningEffortDescription, getReasoningEffortLabel } from '../../common/reasoningEffort.js';
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import type { IAgentServerToolHost } from '../../common/agentServerTools.js';
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import { IAgentHostOTelService } from '../../common/otel/agentHostOTelService.js';
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import { SessionConfigKey } from '../../common/sessionConfigKeys.js';
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import { ICopilotConfigSlashCommandState } from '../../common/copilotConfigSlashCommands.js';
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import { getCopilotHomePath } from '../../common/copilotHome.js';
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import { ISessionDataService, SESSION_DB_FILENAME } from '../../common/sessionDataService.js';
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import { IAgentHostProxyResolver } from '../agentHostProxyResolver.js';
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import type { ResolveSessionConfigResult, SessionConfigCompletionsResult } from '../../common/state/protocol/commands.js';
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import { ProtectedResourceMetadata, type AgentSelection, type ChildCustomizationType, type ConfigPropertySchema, type ConfigSchema, type ModelSelection, type ToolDefinition } from '../../common/state/protocol/state.js';
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import { ActionType, type SessionAction } from '../../common/state/sessionActions.js';
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import { AgentCustomization, CustomizationLoadStatus, CustomizationType, RuleCustomization, ChatInputResponseKind, SkillCustomization, customizationId, buildChatUri, buildDefaultChatUri, isDefaultChatUri, parseChatUri, parseRequiredSessionUriFromChatUri, parseSubagentSessionUri, AH_META_WORKSPACELESS_DB_KEY, type ChildCustomization, type ClientPluginCustomization, type Customization, type DirectoryCustomization, type HookCustomization, type MessageAttachment, type PendingMessage, type PluginCustomization, type PolicyState, type ChatInputAnswer, type ToolCallResult, type Turn } from '../../common/state/sessionState.js';
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import { ActiveClientToolSet } from '../activeClientState.js';
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import { IAgentConfigurationService } from '../agentConfigurationService.js';
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import { IAgentHostGitHubEndpointService } from '../agentHostGitHubEndpointService.js';
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import { IAgentHostCompletions } from '../agentHostCompletions.js';
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import { IAgentHostGitService } from '../../common/agentHostGitService.js';
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import { applyMcpServerEnablement, findMcpChildId, type IMcpServerRuntimeState } from '../shared/mcpCustomizationController.js';
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import { AgentHostStateManager, IAgentHostStateManager } from '../agentHostStateManager.js';
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interface ICopilotRuntimeManagedSettingsSdk {
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getManagedSettings(input?: { token?: string; host?: string }): Promise<{ account?: string; resolved: IAgentHostManagedSettingsSnapshot }>;
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}
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function isCopilotRuntimeManagedSettingsSdk(value: unknown): value is ICopilotRuntimeManagedSettingsSdk {
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return typeof value === 'object' && value !== null && 'getManagedSettings' in value
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&& typeof (value as { getManagedSettings?: unknown }).getManagedSettings === 'function';
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}
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import { SessionWorkingDirectoryMissingError } from '../shared/worktreeIsolation.js';
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import { buildSessionEventLogFromTurns } from './buildSessionEvents.js';
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import { CopilotAgentSession, type CopilotSdkMode } from './copilotAgentSession.js';
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import { ICopilotSessionContext, projectFromCopilotContext } from './copilotGitProject.js';
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import { parsedPluginsEqual, toChildCustomizations } from './copilotPluginConverters.js';
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import { CopilotGitHubTelemetryForwarder } from './copilotGitHubTelemetryForwarder.js';
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import { CopilotSessionLauncher, ContextSizeConfigKey, ThinkingLevelConfigKey, getCopilotContextTier, resolveCopilotReasoningEffort, type CopilotSessionLaunchPlan, type IActiveClientSnapshot } from './copilotSessionLauncher.js';
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import { ShellManager } from './copilotShellTools.js';
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import { isAgentHostTelemetryService } from '../agentHostTelemetryService.js';
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import { ICopilotApiService, type IRestrictedTelemetryContext } from '../shared/copilotApiService.js';
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import { AgentHostGitHubTelemetryRouter } from '../agentHostGitHubTelemetryRouter.js';
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import { CopilotSlashCommandCompletionProvider, ICopilotRuntimeSlashCommandQueryOptions } from './copilotSlashCommandCompletionProvider.js';
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import { DiscoveredType, SessionCustomizationDiscovery, areDiscoveredDirectoriesEqual, type IDiscoveredDirectory } from './sessionCustomizationDiscovery.js';
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import { COPILOT_INTEGRATION_ID } from '../../../endpoint/common/licenseAgreement.js';
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import { getAppNodeModulesPath } from '../appNodeModules.js';
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import { CopilotSlashCommandProvider } from './copilotSlashCommandProvider.js';
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const RUNTIME_SLASH_COMMAND_COMPLETION_WAIT_MS = 300;
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const COPILOT_CAPI_URL = 'https://api.githubcopilot.com';
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/**
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* Proxy env vars that indicate the environment already configures a proxy.
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*/
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const COPILOT_PROXY_ENV_KEYS = ['HTTPS_PROXY', 'https_proxy', 'HTTP_PROXY', 'http_proxy', 'ALL_PROXY', 'all_proxy'] as const;
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/**
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* Proxy env vars we set when injecting the resolved CAPI proxy.
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*/
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const COPILOT_PROXY_SET_ENV_KEYS = ['HTTP_PROXY', 'HTTPS_PROXY'] as const;
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async function fileExists(filePath: string): Promise<boolean> {
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try {