eve
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Filesystem-first framework for durable backend AI agents that run anywhere.
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JavaScript
import{normalizeChannelAudience}from"#shared/channel-audience.js";import{isInstrumentationPrincipalType}from"#instrumentation/lifecycle.js";import{boundedPrincipalId}from"#tracing/telemetry-budget.js";import{readInstrumentationDecision}from"#shared/instrumentation-decision.js";import{boundedTraceError}from"#tracing/bounded-error.js";const AGENT_TRACE_CONTEXT_KEY=`eve.harness.agentTrace`;function emptyAgentTraceContextState(){return{actionAnchors:{},actions:{},invocations:{},sessions:{},turns:{}}}function serializeAgentTraceContextState(e){return{actionAnchors:e.actionAnchors,actions:e.actions,invocations:Object.fromEntries(Object.entries(e.invocations).map(([e,t])=>[e,{...t,terminal:t.terminal===void 0?void 0:{...t.terminal,error:t.recordOutputs===!0?serializeError(t.terminal.error):void 0}}])),sessions:Object.fromEntries(Object.entries(e.sessions).map(([e,t])=>[e,{...t,context:serializeSpanContext(t.context)}])),turns:Object.fromEntries(Object.entries(e.turns).map(([e,t])=>[e,{...t,caller:t.caller===void 0?void 0:serializeSpanContext(t.caller),channelDelivery:t.channelDelivery===void 0?void 0:{...t.channelDelivery,requestTraceContext:t.channelDelivery.requestTraceContext===void 0?void 0:serializeSpanContext(t.channelDelivery.requestTraceContext)},context:serializeSpanContext(t.context),terminal:t.terminal===void 0?void 0:t.terminal.type===`turn.failed`?{error:serializeError(t.terminal.error),type:t.terminal.type}:{type:t.terminal.type}}]))}}function deserializeAgentTraceContextState(e){return isRecord(e)?{actionAnchors:deserializeRecord(e.actionAnchors,deserializeAction),actions:deserializeRecord(e.actions,deserializeAction),invocations:deserializeRecord(e.invocations,deserializeInvocation),sessions:deserializeRecord(e.sessions,deserializeSession),turns:deserializeRecord(e.turns,deserializeTurn)}:emptyAgentTraceContextState()}function deserializeSession(e){if(isRecord(e)&&isSpanContext(e.context))return{agentName:typeof e.agentName==`string`?e.agentName:void 0,channelAudience:normalizeChannelAudience(e.channelAudience),channelKind:typeof e.channelKind==`string`?e.channelKind:void 0,context:e.context,decision:readInstrumentationDecision(e.decision),parentLineage:deserializeParentLineage(e.parentLineage),rootSessionId:typeof e.rootSessionId==`string`?e.rootSessionId:``}}function deserializeTurn(e){if(isRecord(e)&&isSpanContext(e.context)&&typeof e.startTimeMs==`number`)return{caller:isSpanContext(e.caller)?e.caller:void 0,channelDelivery:deserializeTurnChannelDelivery(e.channelDelivery),context:e.context,currentPrincipal:deserializePrincipalSummary(e.currentPrincipal),initiatorPrincipal:deserializePrincipalSummary(e.initiatorPrincipal),modelUsage:deserializeModelUsage(e.modelUsage),parentLineage:deserializeParentLineage(e.parentLineage),rootSessionId:typeof e.rootSessionId==`string`?e.rootSessionId:``,sequence:typeof e.sequence==`number`?e.sequence:0,startTimeMs:e.startTimeMs,subagentName:typeof e.subagentName==`string`?e.subagentName:void 0,terminal:deserializeTurnTerminal(e.terminal)}}function deserializeTurnChannelDelivery(e){if(isRecord(e)&&typeof e.channelKind==`string`&&typeof e.channelName==`string`&&typeof e.deliveryId==`string`)return{channelKind:e.channelKind,channelName:e.channelName,deliveryId:e.deliveryId,inputAttribute:typeof e.inputAttribute==`string`?e.inputAttribute:void 0,requestId:typeof e.requestId==`string`?e.requestId:void 0,requestTraceContext:isSpanContext(e.requestTraceContext)?e.requestTraceContext:void 0}}function deserializePrincipalSummary(e){if(!isRecord(e)||!isInstrumentationPrincipalType(e.type))return;let t=e.type===`none`?void 0:boundedPrincipalId(e.id);return t===void 0?{type:e.type}:{id:t,type:e.type}}function deserializeAction(e){if(isRecord(e)&&typeof e.attemptIndex==`number`&&typeof e.callId==`string`&&isActionKind(e.kind)&&typeof e.name==`string`&&isSpanContext(e.parent)&&typeof e.rootSessionId==`string`&&typeof e.sessionId==`string`&&typeof e.spanId==`string`&&typeof e.startTimeMs==`number`&&typeof e.stepIndex==`number`&&typeof e.turnId==`string`)return{attemptIndex:e.attemptIndex,callId:e.callId,channelAudience:normalizeChannelAudience(e.channelAudience),inputAttribute:typeof e.inputAttribute==`string`?e.inputAttribute:void 0,isWorkflowTool:e.isWorkflowTool===!0||void 0,kind:e.kind,name:e.name,parent:e.parent,rootSessionId:e.rootSessionId,sessionId:e.sessionId,spanId:e.spanId,startTimeMs:e.startTimeMs,stepIndex:e.stepIndex,turnId:e.turnId,workflowName:typeof e.workflowName==`string`?e.workflowName:void 0}}function deserializeInvocation(e){let t=deserializeAction(e);if(!(t===void 0||t.kind!==`subagent-call`&&t.kind!==`remote-agent-call`||!isRecord(e)||typeof e.parentActionCallId!=`string`))return{attemptIndex:t.attemptIndex,callId:t.callId,channelAudience:t.channelAudience,kind:t.kind,name:t.name,parent:t.parent,parentActionCallId:e.parentActionCallId,recordOutputs:e.recordOutputs===!0,rootSessionId:t.rootSessionId,sessionId:t.sessionId,spanId:t.spanId,startTimeMs:t.startTimeMs,stepIndex:t.stepIndex,terminal:deserializeActionTerminal(e.terminal),turnId:t.turnId}}function deserializeActionTerminal(e){if(isRecord(e)&&isActionOutcome(e.outcome))return{acceptedAtMs:typeof e.acceptedAtMs==`number`?e.acceptedAtMs:void 0,error:deserializeError(e.error),outcome:e.outcome,usage:isRecord(e.usage)?e.usage:void 0}}function deserializeModelUsage(e){if(!isRecord(e))return;let t=typeof e.inputTokens==`number`?e.inputTokens:void 0,n=typeof e.outputTokens==`number`?e.outputTokens:void 0;return t===void 0&&n===void 0?void 0:{inputTokens:t,outputTokens:n}}function deserializeParentLineage(e){if(isRecord(e)&&typeof e.callId==`string`&&typeof e.sessionId==`string`&&typeof e.turnId==`string`)return{callId:e.callId,sessionId:e.sessionId,subagentName:typeof e.subagentName==`string`?e.subagentName:void 0,turnId:e.turnId}}function deserializeTurnTerminal(e){if(isRecord(e)&&isTurnTerminalType(e.type))return e.type===`turn.failed`?{error:deserializeError(e.error),type:e.type}:{type:e.type}}function deserializeRecord(e,t){if(!isRecord(e))return{};let n={};for(let[r,i]of Object.entries(e)){let e=t(i);e!==void 0&&(n[r]=e)}return n}function serializeSpanContext(e){return{isRemote:e.isRemote,spanId:e.spanId,traceFlags:e.traceFlags,traceId:e.traceId}}function serializeError(e){if(!(e instanceof Error))return;let t=boundedTraceError(e);return{message:t.message,name:t.name,stack:t.stack}}function deserializeError(e){if(!isRecord(e)||typeof e.message!=`string`)return;let t=Error(e.message);return typeof e.name==`string`&&(t.name=e.name),typeof e.stack==`string`&&(t.stack=e.stack),t}function isActionKind(e){return e===`load-skill`||e===`remote-agent-call`||e===`subagent-call`||e===`tool-call`}function isActionOutcome(e){return e===`abandoned`||e===`cancelled`||e===`completed`||e===`failed`||e===`rejected`}function isTurnTerminalType(e){return e===`turn.cancelled`||e===`turn.completed`||e===`turn.failed`}function isSpanContext(e){return isRecord(e)&&typeof e.spanId==`string`&&typeof e.traceFlags==`number`&&typeof e.traceId==`string`}function isRecord(e){return typeof e==`object`&&!!e&&!Array.isArray(e)}export{AGENT_TRACE_CONTEXT_KEY,deserializeAgentTraceContextState,emptyAgentTraceContextState,serializeAgentTraceContextState};