@earendil-works/pi-coding-agent/dist/bundle/chunks/anthropic-messages-CA3HHOL3.js

Coding agent CLI with read, bash, edit, write tools and session management

import { createRequire as __piCreateRequire } from "node:module"; const require = __piCreateRequire(import.meta.url);
import{ANTHROPIC_FEDERATION_RULE_ID_ENV,ANTHROPIC_IDENTITY_TOKEN_FILE_ENV,ANTHROPIC_ORGANIZATION_ID_ENV,ANTHROPIC_SERVICE_ACCOUNT_ID_ENV,ANTHROPIC_WORKSPACE_ID_ENV}from"./chunk-GFUN2N5K.js";import{registerSessionResourceCleanup}from"./chunk-ZG74NES2.js";import{applyOpenRouterReportedCost,isOpenRouterModel}from"./chunk-P7FPUEYA.js";import{buildCopilotDynamicHeaders,hasCopilotVisionInput}from"./chunk-PGXDEOVV.js";import{Anthropic}from"./chunk-7CBJINYJ.js";import{shortHash}from"./chunk-PJACZCIR.js";import{adjustMaxTokensForThinking,buildBaseOptions,clampMaxTokensToContext,getJsonSchemaToolParameters,prefersJsonSchemaStrictSampling,resolveJsonSchemaStrictSampling,splitErrorToolResultImages,transformMessages}from"./chunk-ZGYS4UTC.js";import{sanitizeSurrogates}from"./chunk-L2ZPNLYD.js";import{retryProviderRequest}from"./chunk-PMRZO46Y.js";import{withCauseDetail}from"./chunk-RKNK4Y6L.js";import{headersToRecord}from"./chunk-UTB4DTYQ.js";import{ToolCallArgumentsStream,parseJsonWithRepair}from"./chunk-FFMDRXC4.js";import{getProviderEnvValue}from"./chunk-7DDKXS2Q.js";import{calculateCost,getCurrentTools,getInitialSystemMessage,resolveTranscript}from"./chunk-AUUCDC7R.js";import{AssistantMessageEventStream,appendAssistantMessageDiagnostic}from"./chunk-LPXNMA2W.js";import{getIdentityHeaders,getSystemMessageText,renderSystemMessageUpdate}from"./chunk-BAC3QPNW.js";import"./chunk-JXWJOIH4.js";var STRICT_TOOL_LIMIT_ERROR_MESSAGES=["The compiled grammar is too large","Too many strict tools (","Schemas contains too many parameters with union types ("];function isStrictToolLimitErrorMessage(message){return STRICT_TOOL_LIMIT_ERROR_MESSAGES.some(limitMessage=>message.includes(limitMessage))}var sessionsOverStrictToolLimits=new Set,MAX_SESSIONS_OVER_STRICT_TOOL_LIMITS=1e4;function markStrictToolLimitsExceeded(sessionId){if(sessionId!==void 0&&(sessionsOverStrictToolLimits.add(sessionId),sessionsOverStrictToolLimits.size>MAX_SESSIONS_OVER_STRICT_TOOL_LIMITS)){let oldest=sessionsOverStrictToolLimits.values().next().value;oldest!==void 0&&sessionsOverStrictToolLimits.delete(oldest)}}function hasExceededStrictToolLimits(sessionId){return sessionId!==void 0&&sessionsOverStrictToolLimits.has(sessionId)}registerSessionResourceCleanup(sessionId=>{sessionId?sessionsOverStrictToolLimits.delete(sessionId):sessionsOverStrictToolLimits.clear()});function resolveCacheRetention(cacheRetention,env){return cacheRetention||(getProviderEnvValue("PI_CACHE_RETENTION",env)==="long"?"long":"short")}function getCacheControl(model,cacheRetention,env){let retention=resolveCacheRetention(cacheRetention,env);if(retention==="none")return{retention};let ttl=retention==="long"&&getAnthropicCompat(model).supportsLongCacheRetention?"1h":void 0;return{retention,cacheControl:{type:"ephemeral",...ttl&&{ttl}}}}var claudeCodeVersion="2.1.322",claudeCodeTools=["Read","Write","Edit","Bash","Grep","Glob","AskUserQuestion","EnterPlanMode","ExitPlanMode","KillShell","NotebookEdit","Skill","Task","TaskOutput","TodoWrite","WebFetch","WebSearch"],ccToolLookup=new Map(claudeCodeTools.map(t=>[t.toLowerCase(),t])),toClaudeCodeName=name=>ccToolLookup.get(name.toLowerCase())??name,fromClaudeCodeName=(name,tools)=>{if(tools&&tools.length>0){let lowerName=name.toLowerCase(),matchedTool=tools.find(tool=>tool.name.toLowerCase()===lowerName);if(matchedTool)return matchedTool.name}return name};function convertImageBlock(image){return{type:"image",source:{type:"base64",media_type:image.mimeType,data:image.data}}}function convertContentBlocks(content){if(!content.some(c=>c.type==="image"))return sanitizeSurrogates(content.map(c=>c.text).join(`
`));let blocks=content.map(block=>block.type==="text"?{type:"text",text:sanitizeSurrogates(block.text)}:convertImageBlock(block));return blocks.some(b=>b.type==="text")||blocks.unshift({type:"text",text:"(see attached image)"}),blocks}var FINE_GRAINED_TOOL_STREAMING_BETA="fine-grained-tool-streaming-2025-05-14",INTERLEAVED_THINKING_BETA="interleaved-thinking-2025-05-14",SERVER_SIDE_FALLBACK_BETA="server-side-fallback-2026-07-01",MID_CONVERSATION_OUTPUT_CONFIG_BETA="mid-conversation-output-config-2026-07-01",THINKING_BINDING_CONTROLS_BETA="thinking-binding-controls-2026-08-01",INLINE_TOOLS_BETA="inline-tools-2026-09-15",MESSAGE_THREADS_BETA="message-threads-2026-08-12",DEFERRED_TOOL_PLACEHOLDER={name:"__pi_deferred_placeholder__",description:"Reserved placeholder. Never available. Never call this.",input_schema:{type:"object",properties:{},required:[]},defer_loading:!0};function shouldUseServerSideFallbackBeta(model){return(model.compat?.allowedFallbackModels?.length??0)>0}function getAnthropicCompat(model){let isOpenRouter=model.provider==="openrouter"||model.baseUrl.includes("openrouter.ai");return{supportsEagerToolInputStreaming:model.compat?.supportsEagerToolInputStreaming??!0,supportsLongCacheRetention:model.compat?.supportsLongCacheRetention??!0,sendSessionAffinityHeaders:model.compat?.sendSessionAffinityHeaders??isOpenRouter,sessionAffinityFormat:model.compat?.sessionAffinityFormat??(isOpenRouter?"openrouter":void 0),supportsCacheControlOnTools:model.compat?.supportsCacheControlOnTools??!0,supportsTemperature:model.compat?.supportsTemperature??!0,allowEmptySignature:model.compat?.allowEmptySignature??!1,supportsStrictTools:model.compat?.supportsStrictTools??!1,supportsMidConvoSystemMessages:model.compat?.supportsMidConvoSystemMessages??!1,supportsMidConvoToolChanges:model.compat?.supportsMidConvoToolChanges??!1,supportsMessageThreads:model.compat?.supportsMessageThreads??(model.provider==="anthropic"&&model.baseUrl.includes("api.anthropic.com"))}}var threadState=new Map,MAX_THREAD_STATE_ENTRIES=1e4,NEW_THREAD_ERRORS=new Set(["thread_not_found","thread_already_continued","thread_continue_in_flight","thread_fingerprint_mismatch"]);function setThreadState(sessionId,value){if(threadState.delete(sessionId),threadState.set(sessionId,value),threadState.size>MAX_THREAD_STATE_ENTRIES){let oldest=threadState.keys().next().value;oldest!==void 0&&threadState.delete(oldest)}}registerSessionResourceCleanup(sessionId=>{sessionId?threadState.delete(sessionId):threadState.clear()});function hashThreadPrefix(model,params,messages){let{system,tools,thinking,output_config,tool_choice,betas,fallbacks}=params,settings=JSON.stringify([model.provider,model.baseUrl,params.model,system,tools,thinking,output_config,tool_choice,betas,fallbacks]),conversation=JSON.stringify(messages,(key,value)=>{if(key!=="cache_control")return key==="content"&&typeof value=="string"?[{type:"text",text:value}]:value});return shortHash(settings+conversation)}function createThreadRequest(sessionId,params){return{sessionId,body:{...params,thread:{type:"create"}}}}function prepareThreadRequest(model,sessionId,params){let state=threadState.get(sessionId);if(state!=="off"){if(state!==void 0&&params.messages.length>state.prefixCount&&hashThreadPrefix(model,params,params.messages.slice(0,state.prefixCount))===state.prefixHash){threadState.delete(sessionId);let{system:_system,tools:_tools,...rest}=params;return{body:{...rest,messages:params.messages.slice(state.prefixCount),thread:{type:"continue",previous_message_id:state.replyId}},sessionId}}return createThreadRequest(sessionId,params)}}function getThreadErrorCode(error){let code=error.error?.error?.details?.error_code;return typeof code=="string"?code:void 0}async function sendThreadRequest(thread,params,send,output,signal){try{return{response:await send(thread.body),thread}}catch(error){if(signal?.aborted||!(error instanceof Anthropic.APIError))throw error;let errorCode=getThreadErrorCode(error),startNewThread=errorCode!==void 0&&NEW_THREAD_ERRORS.has(errorCode),threadsUnsupported=errorCode==="thread_unsupported_request"||errorCode===void 0&&error.status===400&&error.message.includes("thread");if(!startNewThread&&!threadsUnsupported)throw error;if(appendAssistantMessageDiagnostic(output,{type:"anthropic_thread_fallback",timestamp:Date.now(),error:{message:error.message},details:{reason:errorCode??String(error.status)}}),startNewThread){let created=createThreadRequest(thread.sessionId,params);return{response:await send(created.body),thread:created}}let response=await send(params);return setThreadState(thread.sessionId,"off"),{response,thread:void 0}}}function recordThreadReply(model,thread,params,output,isOAuth,allowEmptySignature){if(output.responseId===void 0||output.responseModel!==void 0)return;let reply=convertMessages(transformMessages([output],model,normalizeToolCallId),isOAuth,void 0,allowEmptySignature).messages.filter(message=>message.role==="assistant"),prefix=[...params.messages,...reply];setThreadState(thread.sessionId,{prefixCount:prefix.length,prefixHash:hashThreadPrefix(model,params,prefix),replyId:output.responseId})}function mergeHeaders(...headerSources){let merged={};for(let headers of headerSources)headers&&Object.assign(merged,headers);return merged}function hasHeader(headers,name){if(!headers)return!1;let expected=name.toLowerCase();for(let[key,value]of Object.entries(headers))if(key.toLowerCase()===expected&&value!==null&&value.trim().length>0)return!0;return!1}function hasRequestAuth(apiKey,headers){return!!apiKey||hasHeader(headers,"authorization")||hasHeader(headers,"x-api-key")||hasHeader(headers,"cf-aig-authorization")}function assertRequestAuth(provider,apiKey,headers){if(!hasRequestAuth(apiKey,headers))throw new Error(`No API key for provider: ${provider}`)}var PiAnthropic=class extends Anthropic{_shouldResolveDefaultCredentials(){return!1}};function getAnthropicFederation(model,apiKey,headers,env){if(model.provider!=="anthropic"||hasRequestAuth(apiKey,headers))return;let federationRuleId=getProviderEnvValue(ANTHROPIC_FEDERATION_RULE_ID_ENV,env),organizationId=getProviderEnvValue(ANTHROPIC_ORGANIZATION_ID_ENV,env),identityTokenFile=getProviderEnvValue(ANTHROPIC_IDENTITY_TOKEN_FILE_ENV,env);if(!(!federationRuleId||!organizationId||!identityTokenFile))return{organization_id:organizationId,workspace_id:getProviderEnvValue(ANTHROPIC_WORKSPACE_ID_ENV,env),authentication:{type:"oidc_federation",federation_rule_id:federationRuleId,service_account_id:getProviderEnvValue(ANTHROPIC_SERVICE_ACCOUNT_ID_ENV,env),identity_token:{source:"file",path:identityTokenFile}}}}var federationClient,ANTHROPIC_MESSAGE_EVENTS=new Set(["message_start","message_delta","message_stop","content_block_start","content_block_delta","content_block_stop"]);function flushSseEvent(state){if(!state.event&&state.data.length===0)return null;let event={event:state.event,data:state.data.join(`
`),raw:[...state.raw]};return state.event=null,state.data=[],state.raw=[],event}function decodeSseLine(line,state){if(line==="")return flushSseEvent(state);if(state.raw.push(line),line.startsWith(":"))return null;let delimiterIndex=line.indexOf(":"),fieldName=delimiterIndex===-1?line:line.slice(0,delimiterIndex),value=delimiterIndex===-1?"":line.slice(delimiterIndex+1);return value.startsWith(" ")&&(value=value.slice(1)),fieldName==="event"?state.event=value:fieldName==="data"&&state.data.push(value),null}function nextLineBreakIndex(text){let carriageReturnIndex=text.indexOf("\r"),newlineIndex=text.indexOf(`
`);return carriageReturnIndex===-1?newlineIndex:newlineIndex===-1?carriageReturnIndex:Math.min(carriageReturnIndex,newlineIndex)}function consumeLine(text){let lineBreakIndex=nextLineBreakIndex(text);if(lineBreakIndex===-1)return null;let nextIndex=lineBreakIndex+1;return text[lineBreakIndex]==="\r"&&text[nextIndex]===`
`&&(nextIndex+=1),{line:text.slice(0,lineBreakIndex),rest:text.slice(nextIndex)}}async function*iterateSseMessages(body,signal){let reader=body.getReader(),decoder=new TextDecoder,state={event:null,data:[],raw:[]},buffer="";try{for(;;){if(signal?.aborted)throw new Error("Request was aborted");let{value,done}=await reader.read();if(done)break;buffer+=decoder.decode(value,{stream:!0});let consumed2=consumeLine(buffer);for(;consumed2;){buffer=consumed2.rest;let event=decodeSseLine(consumed2.line,state);event&&(yield event),consumed2=consumeLine(buffer)}}buffer+=decoder.decode();let consumed=consumeLine(buffer);for(;consumed;){buffer=consumed.rest;let event=decodeSseLine(consumed.line,state);event&&(yield event),consumed=consumeLine(buffer)}if(buffer.length>0){let event=decodeSseLine(buffer,state);event&&(yield event)}let trailingEvent=flushSseEvent(state);trailingEvent&&(yield trailingEvent)}finally{reader.releaseLock()}}async function*iterateAnthropicEvents(response,signal){if(!response.body)throw new Error("Attempted to iterate over an Anthropic response with no body");let sawMessageStart=!1,sawMessageEnd=!1;for await(let sse of iterateSseMessages(response.body,signal)){if(sse.event==="error")throw new Error(sse.data);if(ANTHROPIC_MESSAGE_EVENTS.has(sse.event??""))try{let event=parseJsonWithRepair(sse.data);event.type==="message_start"?sawMessageStart=!0:event.type==="message_stop"&&(sawMessageEnd=!0),yield event}catch(error){let message=error instanceof Error?error.message:String(error);throw new Error(`Could not parse Anthropic SSE event ${sse.event}: ${message}; data=${sse.data}; raw=${sse.raw.join("\\n")}`)}}if(sawMessageStart&&!sawMessageEnd)throw new Error("Anthropic stream ended before message_stop")}var stream=(model,context,options)=>{let stream2=new AssistantMessageEventStream,compat=getAnthropicCompat(model),normalizedContext=resolveTranscript(context,compat.supportsMidConvoSystemMessages),currentTools=getCurrentTools(normalizedContext.messages);return(async()=>{let output={role:"assistant",content:[],api:model.api,provider:model.provider,model:model.id,usage:{input:0,output:0,cacheRead:0,cacheWrite:0,totalTokens:0,cost:{input:0,output:0,cacheRead:0,cacheWrite:0,total:0}},stopReason:"pending",timestamp:Date.now()};try{let client,isOAuth,usageModel=model,inputTransformations,cacheSessionId=resolveCacheRetention(options?.cacheRetention,options?.env)==="none"?void 0:options?.sessionId,threadSessionId=compat.supportsMessageThreads?cacheSessionId:void 0;if(options?.client)client=options.client,isOAuth=!1;else{let apiKey=options?.apiKey,federation=getAnthropicFederation(model,apiKey,options?.headers,options?.env);federation||assertRequestAuth(model.provider,apiKey,options?.headers);let copilotDynamicHeaders;if(model.provider==="github-copilot"){let hasImages=hasCopilotVisionInput(normalizedContext.messages);copilotDynamicHeaders=buildCopilotDynamicHeaders({messages:normalizedContext.messages,hasImages})}let created=createClient(model,apiKey,options?.headers,options?.fetch,copilotDynamicHeaders,cacheSessionId,federation,options?.identity);client=created.client,isOAuth=created.isOAuthToken}let requestOptions={...options?.signal?{signal:options.signal}:{},...options?.timeoutMs!==void 0?{timeout:options.timeoutMs}:{},maxRetries:0},send=body=>retryProviderRequest(()=>client.beta.messages.create(body,requestOptions).asResponse(),{maxRetries:options?.maxRetries,maxRetryDelayMs:options?.maxRetryDelayMs,signal:options?.signal}),disablePreferredStrictTools=hasExceededStrictToolLimits(options?.sessionId),response,params,thread;for(;;){options?.signal?.throwIfAborted();let built=buildParams(model,normalizedContext,isOAuth,options,{disablePreferredStrictTools,messageThreads:threadSessionId!==void 0});built.providerThinkingLevel&&(output.providerThinkingLevel=built.providerThinkingLevel),params=built.params;let nextParams=await options?.onPayload?.(params,model);nextParams!==void 0&&(params={...nextParams,stream:!0});let prepared=threadSessionId!==void 0&&options?.disableContinuation!==!0?prepareThreadRequest(model,threadSessionId,params):void 0;try{let sent=prepared?await sendThreadRequest(prepared,params,send,output,options?.signal):{response:await send(params),thread:void 0};response=sent.response,thread=sent.thread;break}catch(error){if(options?.signal?.aborted||disablePreferredStrictTools||!built.hasPreferredStrictTools||!(error instanceof Anthropic.APIError)||error.status!==400||error.type!=="invalid_request_error"||!isStrictToolLimitErrorMessage(error.message))throw error;disablePreferredStrictTools=!0,markStrictToolLimitsExceeded(options?.sessionId),appendAssistantMessageDiagnostic(output,{type:"anthropic_strict_tools_fallback",timestamp:Date.now(),error:{message:error.message},details:{reason:"strict_tool_limits_exceeded"}})}}await options?.onResponse?.({status:response.status,headers:headersToRecord(response.headers)},model),stream2.push({type:"start",partial:output});let openBlocks=new Map,openBlock=anthropicIndex=>{let open=openBlocks.get(anthropicIndex);return open===void 0?void 0:{...open,block:output.content[open.contentIndex]}};for await(let event of iterateAnthropicEvents(response,options?.signal))if(await options?.onProviderStreamEvent?.(event,model),event.type==="message_start"){output.responseId=event.message.id;let transformations=event.message.input_transformations;Array.isArray(transformations)&&(inputTransformations=transformations);let responseModel=event.message.model;responseModel!==model.id&&(output.responseModel=responseModel);let fallbackCost=responseModel===model.id?void 0:model.compat?.allowedFallbackModels?.find(fallback=>fallback.provider===model.provider&&fallback.model===responseModel)?.cost;usageModel=fallbackCost?{...model,id:responseModel,cost:fallbackCost}:model,output.usage.input=event.message.usage.input_tokens||0,output.usage.output=event.message.usage.output_tokens||0,output.usage.cacheRead=event.message.usage.cache_read_input_tokens||0,output.usage.cacheWrite=event.message.usage.cache_creation_input_tokens||0,output.usage.cacheWrite1h=event.message.usage.cache_creation?.ephemeral_1h_input_tokens||0,output.usage.totalTokens=output.usage.input+output.usage.output+output.usage.cacheRead+output.usage.cacheWrite,calculateCost(usageModel,output.usage)}else if(event.type==="content_block_start"){if(event.content_block.type==="fallback"){if(output.content.length>0)throw new Error("Anthropic performed an unsupported mid-output model fallback");continue}event.content_block.type==="text"?(output.content.push({type:"text",text:event.content_block.text??""}),openBlocks.set(event.index,{contentIndex:output.content.length-1}),stream2.push({type:"text_start",contentIndex:output.content.length-1,partial:output})):event.content_block.type==="thinking"?(output.content.push({type:"thinking",thinking:event.content_block.thinking??"",thinkingSignature:event.content_block.signature??""}),openBlocks.set(event.index,{contentIndex:output.content.length-1}),stream2.push({type:"thinking_start",contentIndex:output.content.length-1,partial:output})):event.content_block.type==="redacted_thinking"?(output.content.push({type:"thinking",thinking:"[Reasoning redacted]",thinkingSignature:event.content_block.data,redacted:!0}),openBlocks.set(event.index,{contentIndex:output.content.length-1}),stream2.push({type:"thinking_start",contentIndex:output.content.length-1,partial:output})):event.content_block.type==="tool_use"&&(output.content.push({type:"toolCall",id:event.content_block.id,name:isOAuth?fromClaudeCodeName(event.content_block.name,currentTools):event.content_block.name,arguments:event.content_block.input??{}}),openBlocks.set(event.index,{contentIndex:output.content.length-1,arguments:new ToolCallArgumentsStream}),stream2.push({type:"toolcall_start",contentIndex:output.content.length-1,partial:output}))}else if(event.type==="content_block_delta"){let open=openBlock(event.index);event.delta.type==="text_delta"?open?.block.type==="text"&&(open.block.text+=event.delta.text,stream2.push({type:"text_delta",contentIndex:open.contentIndex,delta:event.delta.text,partial:output})):event.delta.type==="thinking_delta"?open?.block.type==="thinking"&&(open.block.thinking+=event.delta.thinking,stream2.push({type:"thinking_delta",contentIndex:open.contentIndex,delta:event.delta.thinking,partial:output})):event.delta.type==="input_json_delta"?open?.block.type==="toolCall"&&open.arguments!==void 0&&(open.block.arguments=open.arguments.append(event.delta.partial_json),stream2.push({type:"toolcall_delta",contentIndex:open.contentIndex,delta:event.delta.partial_json,partial:output})):event.delta.type==="signature_delta"&&open?.block.type==="thinking"&&(open.block.thinkingSignature=open.block.thinkingSignature||"",open.block.thinkingSignature+=event.delta.signature)}else if(event.type==="content_block_stop"){let open=openBlock(event.index);if(openBlocks.delete(event.index),open){let{block,contentIndex:index}=open;block.type==="text"?stream2.push({type:"text_end",contentIndex:index,content:block.text,partial:output}):block.type==="thinking"?stream2.push({type:"thinking_end",contentIndex:index,content:block.thinking,partial:output}):block.type==="toolCall"&&open.arguments!==void 0&&(Object.assign(block,open.arguments.finish()),stream2.push({type:"toolcall_end",contentIndex:index,toolCall:block,partial:output}))}}else if(event.type==="message_delta"){let transformations=event.input_transformations;if(Array.isArray(transformations)&&(inputTransformations=transformations),event.delta.stop_reason){output.rawStopReason=event.delta.stop_reason;let stopReasonResult=mapStopReason(event.delta.stop_reason,event.delta.stop_details);output.stopReason=stopReasonResult.stopReason,stopReasonResult.errorMessage&&(output.errorMessage=stopReasonResult.errorMessage)}if(event.usage){event.usage.input_tokens!=null&&(output.usage.input=event.usage.input_tokens),event.usage.output_tokens!=null&&(output.usage.output=event.usage.output_tokens),event.usage.cache_read_input_tokens!=null&&(output.usage.cacheRead=event.usage.cache_read_input_tokens),event.usage.cache_creation_input_tokens!=null&&(output.usage.cacheWrite=event.usage.cache_creation_input_tokens);let cacheCreation=event.usage.cache_creation;cacheCreation?.ephemeral_1h_input_tokens!=null&&(output.usage.cacheWrite1h=cacheCreation.ephemeral_1h_input_tokens);let thinkingTokens=event.usage.output_tokens_details?.thinking_tokens;thinkingTokens!=null&&(output.usage.reasoning=thinkingTokens)}output.usage.totalTokens=output.usage.input+output.usage.output+output.usage.cacheRead+output.usage.cacheWrite,calculateCost(usageModel,output.usage),isOpenRouterModel(model)&&event.usage&&applyOpenRouterReportedCost(output.usage,event.usage)}if(options?.signal?.aborted)throw new Error("Request was aborted");if(output.stopReason==="pending")throw new Error("Anthropic stream ended without a stop reason");if(output.stopReason==="aborted"||output.stopReason==="error")throw new Error(output.errorMessage||"An unknown error occurred");thread&&recordThreadReply(model,thread,params,output,isOAuth,compat.allowEmptySignature),inputTransformations&&inputTransformations.length>0&&appendAssistantMessageDiagnostic(output,{type:"anthropic_input_transformations",timestamp:Date.now(),details:{transformations:inputTransformations.map(transformation=>({type:transformation.type??void 0,path:transformation.path??void 0,reason:transformation.reason??void 0}))}}),stream2.push({type:"done",reason:output.stopReason,message:output}),stream2.end()}catch(error){output.stopReason=options?.signal?.aborted?"aborted":"error",output.errorMessage=error instanceof Error?withCauseDetail(error):JSON.stringify(error),stream2.push({type:"error",reason:output.stopReason,error:output}),stream2.end()}})(),stream2};function mapThinkingLevelToEffort(model,level){let mapped=level?model.thinkingLevelMap?.[level]:void 0;if(typeof mapped=="string")return mapped;switch(level){case"minimal":case"low":return"low";case"medium":return"medium";case"high":return"high";default:return"high"}}var streamSimple=(model,context,options)=>{getAnthropicFederation(model,options?.apiKey,options?.headers,options?.env)||assertRequestAuth(model.provider,options?.apiKey,options?.headers);let base={...buildBaseOptions(model,context,options,options?.apiKey),toolChoice:options?.toolChoice};if(!options?.reasoning)return stream(model,context,{...base,thinkingEnabled:!1});if(model.compat?.forceAdaptiveThinking===!0){let effort=mapThinkingLevelToEffort(model,options.reasoning);return stream(model,context,{...base,thinkingEnabled:!0,effort})}let adjusted=adjustMaxTokensForThinking(base.maxTokens,model.maxTokens,options.reasoning,options.thinkingBudgets),maxTokens=clampMaxTokensToContext(model,context,adjusted.maxTokens);return stream(model,context,{...base,maxTokens,thinkingEnabled:!0,thinkingBudgetTokens:Math.min(adjusted.thinkingBudget,Math.max(0,maxTokens-1024))})};function isOAuthToken(apiKey){return apiKey.includes("sk-ant-oat")}function createClient(model,apiKey,optionsHeaders,fetch,dynamicHeaders,sessionId,federation,identity){if(model.provider==="github-copilot")return{client:new PiAnthropic({apiKey:null,authToken:apiKey??null,baseURL:model.baseUrl,dangerouslyAllowBrowser:!0,fetch,defaultHeaders:mergeHeaders(getIdentityHeaders(model,identity),{accept:"application/json","anthropic-dangerous-direct-browser-access":"true"},model.headers,dynamicHeaders,optionsHeaders)}),isOAuthToken:!1};if(apiKey&&isOAuthToken(apiKey))return{client:new PiAnthropic({apiKey:null,authToken:apiKey,baseURL:model.baseUrl,dangerouslyAllowBrowser:!0,fetch,defaultHeaders:mergeHeaders({accept:"application/json","anthropic-dangerous-direct-browser-access":"true","user-agent":`claude-cli/${claudeCodeVersion}`,"x-app":"cli"},model.headers,optionsHeaders)}),isOAuthToken:!0};let compat=getAnthropicCompat(model),sessionAffinityHeaders={};if(sessionId&&compat.sendSessionAffinityHeaders){let header=compat.sessionAffinityFormat==="openrouter"?"x-session-id":"x-session-affinity";sessionAffinityHeaders[header]=sessionId}let defaultHeaders=mergeHeaders(getIdentityHeaders(model,identity),{accept:"application/json","anthropic-dangerous-direct-browser-access":"true"},sessionAffinityHeaders,model.headers,optionsHeaders);if(federation){let key=JSON.stringify([model.baseUrl,federation]);if(federationClient?.key!==key||federationClient.fetch!==fetch){let client2=new PiAnthropic({apiKey:null,authToken:null,config:federation,baseURL:model.baseUrl,dangerouslyAllowBrowser:!0,fetch});federationClient={key,fetch,client:client2}}return{client:federationClient.client.withOptions({defaultHeaders}),isOAuthToken:!1}}return{client:new PiAnthropic({apiKey:apiKey??null,authToken:null,baseURL:model.baseUrl,dangerouslyAllowBrowser:!0,fetch,defaultHeaders}),isOAuthToken:!1}}function getBetaFeatures(model,context,options,{isOAuthToken:isOAuthToken2,nativeToolChanges,messageThreads}){let configuredFeatures;for(let headers of[model.headers,options?.headers])for(let[name,value]of Object.entries(headers??{}))name.toLowerCase()==="anthropic-beta"&&(configuredFeatures=value);if(configuredFeatures===null)return[];if(configuredFeatures!==void 0)return[...new Set(configuredFeatures.split(",").map(feature=>feature.trim()).filter(feature=>feature.length>0))];let features=[];return isOAuthToken2&&features.push("claude-code-20250219","oauth-2025-04-20"),shouldUseFineGrainedToolStreamingBeta(model,context)&&features.push(FINE_GRAINED_TOOL_STREAMING_BETA),model.reasoning&&options?.thinkingEnabled===!0&&(options.interleavedThinking??!0)&&model.compat?.forceAdaptiveThinking!==!0&&features.push(INTERLEAVED_THINKING_BETA),shouldUseServerSideFallbackBeta(model)&&features.push(SERVER_SIDE_FALLBACK_BETA),model.compat?.supportsMidConvoEffort===!0&&features.push(MID_CONVERSATION_OUTPUT_CONFIG_BETA,THINKING_BINDING_CONTROLS_BETA),nativeToolChanges&&features.push(INLINE_TOOLS_BETA),messageThreads&&features.push(MESSAGE_THREADS_BETA),[...new Set(features)]}function buildParams(model,context,isOAuthToken2,options,flags){let{cacheControl}=getCacheControl(model,options?.cacheRetention,options?.env),compat=getAnthropicCompat(model),initialSystemMessage=getInitialSystemMessage(context.messages),initialSystemText=initialSystemMessage?getSystemMessageText(initialSystemMessage):"",transformedMessages=transformMessages(context.messages,model,normalizeToolCallId),conversationMessages=initialSystemMessage?transformedMessages.slice(1):transformedMessages,hasPreferredStrictTools=!1,convertToolDefinitions=(tools,toolCacheControl2)=>{let definitions=convertTools(tools,isOAuthToken2,compat.supportsEagerToolInputStreaming,compat.supportsStrictTools,toolCacheControl2,flags.disablePreferredStrictTools);return definitions.some((definition,index)=>definition.strict===!0&&prefersJsonSchemaStrictSampling(tools[index]))&&(hasPreferredStrictTools=!0),definitions},initialTools=initialSystemMessage?.toolsAdded??[],nativeToolChanges=compat.supportsMidConvoSystemMessages&&compat.supportsMidConvoToolChanges&&initialTools.length>0,thinkingDisabled=model.reasoning&&options?.thinkingEnabled===!1&&model.thinkingLevelMap?.off!==null,effortMessages=model.compat?.supportsMidConvoEffort===!0&&!thinkingDisabled,converted=convertMessages(conversationMessages,isOAuthToken2,cacheControl,compat.allowEmptySignature,effortMessages?model.provider:void 0,nativeToolChanges?convertToolDefinitions:void 0),activeEffort=options?.effort??"high",betaFeatures=getBetaFeatures(model,context,options,{isOAuthToken:isOAuthToken2,nativeToolChanges,messageThreads:flags.messageThreads}),params={model:model.id,messages:effortMessages?insertThinkingLevelMessages(converted,activeEffort):converted.messages,max_tokens:options?.maxTokens??model.maxTokens,stream:!0,...betaFeatures.length>0?{betas:betaFeatures}:{}};isOAuthToken2?(params.system=[{type:"text",text:"You are Claude Code, Anthropic's official CLI for Claude.",...cacheControl?{cache_control:cacheControl}:{}}],initialSystemText&&params.system.push({type:"text",text:sanitizeSurrogates(initialSystemText),...cacheControl?{cache_control:cacheControl}:{}})):initialSystemText&&(params.system=[{type:"text",text:sanitizeSurrogates(initialSystemText),...cacheControl?{cache_control:cacheControl}:{}}]),options?.temperature!==void 0&&!options?.thinkingEnabled&&model.compat?.supportsMidConvoEffort!==!0&&compat.supportsTemperature&&(params.temperature=options.temperature);let toolCacheControl=compat.supportsCacheControlOnTools?cacheControl:void 0;if(nativeToolChanges)params.tools=[...convertToolDefinitions(initialTools,toolCacheControl),DEFERRED_TOOL_PLACEHOLDER];else{let tools=getCurrentTools(context.messages);tools.length>0&&(params.tools=convertToolDefinitions(tools,toolCacheControl))}if(thinkingDisabled)params.thinking={type:"disabled"};else if(effortMessages)params.thinking={type:"adaptive",display:options?.thinkingDisplay??"summarized",block_binding:{prefix_mismatch_behavior:"drop_block"}},params.output_config={effort:"low"};else if(model.reasoning&&options?.thinkingEnabled){let display=options.thinkingDisplay??"summarized";model.compat?.forceAdaptiveThinking===!0?(params.thinking={type:"adaptive",display},options.effort&&(params.output_config={effort:options.effort})):params.thinking={type:"enabled",budget_tokens:options.thinkingBudgetTokens||1024,display}}if(options?.metadata){let userId=options.metadata.user_id;typeof userId=="string"&&(params.metadata={user_id:userId})}options?.toolChoice&&(typeof options.toolChoice=="string"?params.tool_choice={type:options.toolChoice}:params.tool_choice=options.toolChoice);let allowedFallbackModels=model.compat?.allowedFallbackModels;return allowedFallbackModels&&allowedFallbackModels.length>0&&(params.fallbacks=allowedFallbackModels.map(fallback=>({model:fallback.model}))),{params,hasPreferredStrictTools,providerThinkingLevel:effortMessages?activeEffort:void 0}}function normalizeToolCallId(id){return id.replace(/[^a-zA-Z0-9_-]/g,"_").slice(0,64)}function convertToolResult(msg,content=msg.content){return{type:"tool_result",tool_use_id:msg.toolCallId,content:convertContentBlocks(content),is_error:msg.isError}}function convertMessages(transformedMessages,isOAuthToken2,cacheControl,allowEmptySignature=!1,managedProvider,convertToolDefinitions){let params=[],assistantLevels=new Map,pendingSystemMessages=[],flushPendingSystemMessages=()=>{params.push(...pendingSystemMessages),pendingSystemMessages.length=0};for(let i=0;i<transformedMessages.length;i++){let msg=transformedMessages[i];if(msg.role==="system"){let text=renderSystemMessageUpdate(msg),blocks=[];if(text.length>0&&blocks.push({type:"text",text:sanitizeSurrogates(text)}),convertToolDefinitions){let added=msg.toolsAdded??[],redefined=new Set(added.map(tool=>tool.name));for(let tool of msg.toolsRemoved??[])redefined.has(tool.name)||blocks.push({type:"tool_removal",tool:{type:"tool_reference",name:isOAuthToken2?toClaudeCodeName(tool.name):tool.name}});for(let definition of convertToolDefinitions(added))blocks.push({type:"tool_addition",tool:{type:"tool_definition",definition}})}blocks.length>0&&pendingSystemMessages.push({role:"system",content:blocks})}else if(msg.role==="user")if(typeof msg.content=="string")msg.content.trim().length>0&&params.push({role:"user",content:sanitizeSurrogates(msg.content)});else{let filteredBlocks=msg.content.map(item=>item.type==="text"?{type:"text",text:sanitizeSurrogates(item.text)}:convertImageBlock(item)).filter(b=>b.type==="text"?b.text.trim().length>0:!0);if(filteredBlocks.length===0)continue;params.push({role:"user",content:filteredBlocks})}else if(msg.role==="assistant"){let blocks=[];for(let block of msg.content)if(block.type==="text"){if(block.text.trim().length===0)continue;blocks.push({type:"text",text:sanitizeSurrogates(block.text)})}else if(block.type==="thinking"){if(block.redacted){blocks.push({type:"redacted_thinking",data:block.thinkingSignature});continue}let thinkingSignature=block.thinkingSignature,hasThinkingSignature=!!thinkingSignature&&thinkingSignature.trim().length>0;if(block.thinking.trim().length===0&&!hasThinkingSignature)continue;hasThinkingSignature?blocks.push({type:"thinking",thinking:sanitizeSurrogates(block.thinking),signature:thinkingSignature}):blocks.push(allowEmptySignature?{type:"thinking",thinking:sanitizeSurrogates(block.thinking),signature:""}:{type:"text",text:sanitizeSurrogates(block.thinking)})}else block.type==="toolCall"&&blocks.push({type:"tool_use",id:block.id,name:isOAuthToken2?toClaudeCodeName(block.name):block.name,input:block.arguments??{}});if(blocks.length===0)continue;flushPendingSystemMessages();let messageIndex=params.length;params.push({role:"assistant",content:blocks}),managedProvider!==void 0&&msg.api==="anthropic-messages"&&msg.provider===managedProvider&&isAnthropicEffort(msg.providerThinkingLevel)&&assistantLevels.set(messageIndex,msg.providerThinkingLevel)}else if(msg.role==="toolResult"){let toolResults=[],errorImages=[],j=i;for(;j<transformedMessages.length&&transformedMessages[j].role==="toolResult";){let toolMsg=transformedMessages[j],split=splitErrorToolResultImages(toolMsg);toolResults.push(convertToolResult(toolMsg,split?.content)),split&&errorImages.push({type:"text",text:split.caption},...split.images.map(convertImageBlock)),j++}i=j-1,params.push({role:"user",content:[...toolResults,...errorImages]})}}if(flushPendingSystemMessages(),cacheControl&&params.length>0){let lastMessage=params[params.length-1];if(lastMessage.role==="user"||lastMessage.role==="system")if(Array.isArray(lastMessage.content)){let lastBlock=lastMessage.content[lastMessage.content.length-1];lastBlock&&(lastBlock.type==="text"||lastBlock.type==="image"||lastBlock.type==="tool_result"||lastBlock.type==="tool_addition"||lastBlock.type==="tool_removal")&&(lastBlock.cache_control=cacheControl)}else typeof lastMessage.content=="string"&&(lastMessage.content=[{type:"text",text:lastMessage.content,cache_control:cacheControl}])}return{messages:params,assistantLevels}}function isAnthropicEffort(value){return value==="low"||value==="medium"||value==="high"||value==="xhigh"||value==="max"}function insertThinkingLevelMessages(converted,activeEffort){let messages=[];for(let index=0;index<converted.messages.length;index++){let historicalEffort=converted.assistantLevels.get(index);historicalEffort!==void 0&&messages.push({role:"system",content:[],output_config:{effort:historicalEffort}}),messages.push(converted.messages[index])}return messages.push({role:"system",content:[],output_config:{effort:activeEffort}}),messages}function shouldUseFineGrainedToolStreamingBeta(model,context){return getCurrentTools(context.messages).length>0&&!getAnthropicCompat(model).supportsEagerToolInputStreaming}var ANTHROPIC_STRICT_UNSUPPORTED_KEYWORDS=new Set(["minimum","maximum","exclusiveMinimum","exclusiveMaximum","multipleOf","maxItems","uniqueItems","minContains","maxContains","minProperties","maxProperties"]),ANTHROPIC_STRICT_STRING_FORMATS=new Set(["date-time","time","date","duration","email","hostname","uri","ipv4","ipv6","uuid"]),isAnthropicStrictUnsupportedKeyword=(key,value)=>ANTHROPIC_STRICT_UNSUPPORTED_KEYWORDS.has(key)?!0:key==="minItems"?value!==0&&value!==1:key==="format"?typeof value!="string"||!ANTHROPIC_STRICT_STRING_FORMATS.has(value):!1;function convertTools(tools,isOAuthToken2,supportsEagerToolInputStreaming,supportsStrictTools,cacheControl,disablePreferredStrictTools=!1){return tools?tools.map((tool,index)=>{let strict=disablePreferredStrictTools&&prefersJsonSchemaStrictSampling(tool)?void 0:resolveJsonSchemaStrictSampling(tool,supportsStrictTools,isAnthropicStrictUnsupportedKeyword),parameters=getJsonSchemaToolParameters(tool,strict),schema=parameters,legacyInputSchema={type:"object",properties:schema.properties??{},required:schema.required??[],...schema.$defs===void 0?{}:{$defs:schema.$defs},...schema.definitions===void 0?{}:{definitions:schema.definitions}},inputSchema=strict===!0?{...parameters,...legacyInputSchema}:legacyInputSchema;return{name:isOAuthToken2?toClaudeCodeName(tool.name):tool.name,description:tool.description,...supportsEagerToolInputStreaming?{eager_input_streaming:!0}:{},...strict===!0?{strict:!0}:{},input_schema:inputSchema,...cacheControl&&index===tools.length-1?{cache_control:cacheControl}:{}}}):[]}function mapStopReason(reason,stopDetails){switch(reason){case"end_turn":return{stopReason:"stop"};case"max_tokens":return{stopReason:"length"};case"tool_use":return{stopReason:"toolUse"};case"refusal":return{stopReason:"error",errorMessage:stopDetails?.explanation||"The model refused to complete the request"};case"pause_turn":return{stopReason:"stop"};case"stop_sequence":return{stopReason:"stop"};case"sensitive":return{stopReason:"error",errorMessage:"Provider stopped with: sensitive"};default:throw new Error(`Unhandled stop reason: ${reason}`)}}export{stream,streamSimple};