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/*---------------------------------------------------------------------------------------------
claudeAgent.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 type { CCAModel } from '@vscode/copilot-api';
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import type { ModelInfo, OnElicitation, Options, SDKSessionInfo, SDKUserMessage } from '@anthropic-ai/claude-agent-sdk';
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import type { CallToolResult } from '@modelcontextprotocol/sdk/types.js';
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import { SequencerByKey } from '../../../../base/common/async.js';
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import { 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 { Disposable, DisposableMap } from '../../../../base/common/lifecycle.js';
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import { IObservable, observableValue } from '../../../../base/common/observable.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 { localize } from '../../../../nls.js';
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import { IInstantiationService } from '../../../instantiation/common/instantiation.js';
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import { INativeEnvironmentService } from '../../../environment/common/environment.js';
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import { ILogService } from '../../../log/common/log.js';
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import { IProductService } from '../../../product/common/productService.js';
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import { IAgentPluginManager, ISyncedCustomization } from '../../common/agentPluginManager.js';
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import { AgentSessionEntry, buildSideChatSourceContext, decodeProviderData, encodeProviderData, prepareSideChatPrompt, stripSideChatContext, type IPersistedChat } from '../agentPeerChats.js';
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import { AgentHostConfigKey, agentHostCustomizationConfigSchema } from '../../common/agentHostCustomizationConfig.js';
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import { createSchema, platformSessionSchema, schemaProperty } from '../../common/agentHostSchema.js';
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import { ClaudePermissionMode, ClaudeSessionConfigKey, narrowClaudePermissionMode } from '../../common/claudeSessionConfigKeys.js';
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import { createClaudeThinkingLevelSchema, isClaudeEffortLevel } from '../../common/claudeModelConfig.js';
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import { SessionConfigKey } from '../../common/sessionConfigKeys.js';
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import { AgentProvider, AgentSession, AgentSignal, CLAUDE_AGENT_PROVIDER_ID, IActiveClient, IAgent, IAgentChatDataChange, IAgentChats, IAgentCreateChatForkSource, IAgentCreateChatOptions, IAgentCreateChatResult, IAgentCreateSessionConfig, IAgentCreateSessionResult, IAgentDescriptor, IAgentMaterializeSessionEvent, IAgentModelInfo, IAgentResolveSessionConfigParams, IAgentSessionConfigCompletionsParams, IAgentSessionMetadata, IAgentSessionProjectInfo, IAgentSpawnChatEvent, SubagentChatSignal } from '../../common/agentService.js';
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import { ensureWorkspacelessScratchDir } from '../workspacelessScratchDir.js';
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import { ActionType, AuthRequiredReason, type AuthRequiredParams } from '../../common/state/sessionActions.js';
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import type { ResolveSessionConfigResult, SessionConfigCompletionsResult } from '../../common/state/protocol/commands.js';
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import { AHP_AUTH_REQUIRED, ProtocolError } from '../../common/state/sessionProtocol.js';
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import { PolicyState, ProtectedResourceMetadata, type AgentSelection, type ModelSelection, type ToolDefinition } from '../../common/state/protocol/state.js';
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import { isSubagentSession, parseSubagentSessionUri, buildDefaultChatUri, parseChatUri, parseRequiredSessionUriFromChatUri, isDefaultChatUri, ChatInputResponseKind, type ChatState, type ClientPluginCustomization, type Customization, type MessageAttachment, type PendingMessage, type ChatInputAnswer, type ToolCallResult, type Turn } from '../../common/state/sessionState.js';
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import { IAgentConfigurationService } from '../agentConfigurationService.js';
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import { IAgentHostGitHubEndpointService } from '../agentHostGitHubEndpointService.js';
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import { IAgentHostGitService } from '../../common/agentHostGitService.js';
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import { PendingRequestRegistry } from '../../common/pendingRequestRegistry.js';
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import { projectFromCopilotContext } from '../copilot/copilotGitProject.js';
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import { ICopilotApiService } from '../shared/copilotApiService.js';
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import { IClaudeAgentSdkService } from './claudeAgentSdkService.js';
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import { buildModelEnumerationOptions } from './claudeSdkOptions.js';
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import { mapSessionMessagesToTurns, resolveForkAnchorUuid } from './claudeReplayMapper.js';
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import { getSubagentTranscript } from './claudeSubagentResolver.js';
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import { ClaudeAgentSession } from './claudeAgentSession.js';
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import { handleCanUseTool } from './claudeCanUseTool.js';
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import { handleElicitation } from './claudeElicitationBridge.js';
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import type { IAgentServerToolHost } from '../../common/agentServerTools.js';
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import { createPricingMetaFromBilling, normalizeCAPIBilling } from '../../common/agentModelPricing.js';
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import { tryParseClaudeModelId } from './claudeModelId.js';
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import { resolvePromptToContentBlocks } from './claudePromptResolver.js';
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import { IClaudeProxyHandle, IClaudeProxyService, type ClaudeTransport } from './claudeProxyService.js';
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import { readClaudePermissionMode } from './claudeSessionPermissionMode.js';
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import { ClaudeSessionMetadataStore, IClaudeSessionOverlay } from './claudeSessionMetadataStore.js';
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import { AgentHostStateManager, IAgentHostStateManager } from '../agentHostStateManager.js';
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const USER_AGENT_PREFIX = 'vscode_claude_code';
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/**
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* Returns true if `m` is a Claude-family model that should be advertised
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* to clients picking a model for the Claude provider.
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*
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* Combines the same surface checks the extension uses (vendor, picker
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* eligibility, tool-call support, `/v1/messages` endpoint) with a parse
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* of the model id via {@link tryParseClaudeModelId}, which excludes
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* synthetic ids like `auto` that aren't real Claude endpoints.
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*/
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function isClaudeModel(m: CCAModel): boolean {
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return (