eve/dist/src/execution/session/entry.js

Filesystem-first framework for durable backend AI agents that run anywhere.

import{attachClientContext,readClientContext}from"#internal/client-context.js";import{SESSION_INBOX_CONTEXT_KEY,sessionCommandHookToken}from"#execution/session-inbox/address.js";import{getWorkflowMetadata,getWritable}from"#compiled/@workflow/core/index.js";import{isHookConflictError}from"#execution/hook-ownership.js";import{DEFAULT_SESSION_TIMEOUT_MS,sessionTimeoutDeadline}from"#execution/session/timeout.js";import{sessionHookTokens}from"#execution/session/hook-tokens.js";import{createSessionInbox}from"#execution/session-inbox/inbox.js";import{failSession,runPreparedSession}from"#execution/session/program.js";import{readChannelRequestId,readRootSessionId}from"#execution/eve-workflow-attributes.js";import{resolveInitialTurnCallerStep}from"#subagents/parent-notification.js";import{normalizeSerializableError}from"#execution/workflow-errors.js";import{createSessionStep}from"#execution/create-session-step.js";import{settleContinuationConflictStep}from"#execution/continuation-conflict-step.js";import{signalSessionOwnerActivationStep,validateSessionCheckpointStep}from"#execution/session/handoff-steps.js";async function workflowEntry(e){"use workflow";let t=e.kind===`initial`?await bootInitialOwner(e,getWorkflowMetadata().workflowRunId):await bootHandoffOwner(e);return t===void 0?{output:``}:{output:(await runPreparedSession(t.session,t.inbox)).output}}function stampSessionIdentity(e,t){return{...e,"eve.sessionId":t,[SESSION_INBOX_CONTEXT_KEY]:{sessionId:t}}}async function bootInitialOwner(e,t){let n=stampSessionIdentity(e.serializedContext,t),r=getWritable(),i=n[`eve.mode`],a=createSessionInbox(t),{workflowStartedAt:o}=getWorkflowMetadata(),s=e.sessionTimeoutMs??DEFAULT_SESSION_TIMEOUT_MS,c=n[`eve.continuationToken`]||``,l=n[`eve.bundle`];try{if(e.input.message===void 0&&i!==`conversation`)throw Error(`A message-free session must use conversation mode.`);let[u,d,f]=await Promise.allSettled([createSessionStep({compiledArtifactsSource:l.source,continuationToken:c,dynamicSubagentAgentConfig:n[`eve.dynamicSubagentAgentConfig`],inheritedLimits:e.limits,nodeId:l.nodeId,outputSchema:e.input.outputSchema,rootSessionId:readRootSessionId(n),sessionId:t,taskId:e.taskId}),a.claimSessionHook(sessionCommandHookToken(t)),c===``?Promise.resolve():a.claimSessionHook(c)]);if(u.status===`rejected`)throw u.reason;if(d.status===`rejected`)throw d.reason;if(f.status===`rejected`){if(!isHookConflictError(f.reason))throw f.reason;(e.activityCollectorRunId!==void 0||e.continuationConflictCommand!==void 0)&&await settleContinuationConflictStep({activityCollectorRunId:e.activityCollectorRunId,command:e.continuationConflictCommand,continuationToken:c}),await a.dispose();return}return{inbox:a,session:{anchor:{kind:`self`},caller:hasDelegatedCallerContext(n)?await resolveInitialTurnCallerStep({serializedContext:n}):void 0,capabilities:n[`eve.capabilities`],deploymentId:e.ownerDeploymentId,initialInput:createInitialDelivery(e,n),awaitFirstMessage:e.input.message===void 0,mode:i,retention:e.retention,serializedContext:n,sessionId:t,sessionState:u.value.state,sessionTimeoutMs:s,sessionTimeoutDeadline:sessionTimeoutDeadline(s,o.getTime()),sessionWritable:r}}}catch(e){return await a.dispose(),await failSession({error:e,mode:i,serializedContext:n,sessionId:t,sessionState:void 0,sessionWritable:r})}}async function bootHandoffOwner(e){let{checkpoint:t,sessionId:n}=e,r=stampSessionIdentity(t.serializedContext,n),i=createSessionInbox(n);try{await validateSessionCheckpointStep({checkpoint:t}),await i.claimSessionHooks(sessionHookTokens({serializedContext:r,sessionState:t.sessionState})),await signalSessionOwnerActivationStep({activation:{kind:`active`},token:e.activationToken})}catch(t){let n=await i.release();await signalSessionOwnerActivationStep({activation:{error:normalizeSerializableError(t),kind:`failed`,payloads:n},token:e.activationToken});return}return{inbox:i,session:{anchor:{kind:`successor`},caller:e.delivery.caller,capabilities:t.capabilities,deploymentId:e.ownerDeploymentId,initialInput:e.delivery,awaitFirstMessage:!1,mode:t.mode,retention:t.retention,serializedContext:r,sessionId:n,sessionState:t.sessionState,sessionTimeoutMs:t.sessionTimeoutMs,sessionTimeoutDeadline:sessionTimeoutDeadline(t.sessionTimeoutMs,Date.now()),sessionWritable:e.sessionWritable}}}function hasDelegatedCallerContext(e){if(e[`eve.sessionCallback`]!==void 0)return!0;let t=e[`eve.channel`];return typeof t==`object`&&!!t&&Reflect.get(t,`kind`)===`subagent`}function createInitialDelivery(e,t){if(e.input.message!==void 0)return{deliveryMetadata:t[`eve.channelDelivery`]===void 0?void 0:[{...t[`eve.channelDelivery`],payloadIndex:0}],kind:`deliver`,payloads:[attachClientContext({message:e.input.message,context:e.input.context,outputSchema:e.input.outputSchema},readClientContext(e.input))],requestId:readChannelRequestId(t)}}workflowEntry.workflowId=`workflow//eve//workflowEntry`;export{workflowEntry};