eve/dist/src/execution/workflow-steps.js

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

import{createLogger,formatError}from"#internal/logging.js";import{callAdapterEventHandler,defaultDeliverResult}from"#channel/adapter.js";import{AuthKey,CapabilitiesKey,ContinuationTokenKey,ModeKey}from"#context/keys.js";import{createAuthorizationCompletedEvent,createSessionFailedEvent,encodeMessageStreamEvent,timestampHandleMessageStreamEvent}from"#protocol/message.js";import{BundleKey,ChannelKey}from"#runtime/sessions/runtime-context-keys.js";import{getHarnessEmissionState}from"#harness/emission.js";import{createDurableSessionState,readDurableSession}from"#execution/durable-session-store.js";import{hydrateDurableSession,refreshSessionFromTurnAgent}from"#execution/session.js";import{buildTurnAttributes,readRootSessionId}from"#execution/eve-workflow-attributes.js";import{setEveAttributes}from"#runtime/attributes/emit.js";import{deserializeContext,serializeContext}from"#context/serialize.js";import{getRuntimeActionKeyFromInterrupt,isCodeModeRuntimeActionInterrupt}from"#harness/code-mode-runtime-action-state.js";import{getPendingCodeModeInterrupt}from"#harness/code-mode-interrupt-state.js";import{getPendingRuntimeActionBatch}from"#harness/runtime-actions.js";import{buildAdapterContext}from"#channel/adapter-context.js";import{createWorkflowRuntime,startWorkflowPreferLatest}from"#execution/workflow-runtime.js";import{upsertProxyInputRequests}from"#harness/proxy-input-requests.js";import{setChannelContext}from"#execution/channel-context.js";import{CallbackBaseUrlKey,PendingAuthorizationResultKey,getPendingAuthorization}from"#harness/authorization.js";import{createTurnWorkflowInput}from"#execution/durable-session-migrations/turn-workflow.js";import{coalesceTurnInputs}from"#harness/messages.js";import{dispatchStreamEventHooks}from"#context/hook-lifecycle.js";import{dispatchDynamicInstructionEvent}from"#context/dynamic-instruction-lifecycle.js";import{dispatchDynamicSkillEvent}from"#context/dynamic-skill-lifecycle.js";import{dispatchDynamicToolEvent}from"#context/dynamic-tool-lifecycle.js";import{runStep,withContextScope}from"#context/run-step.js";import{hasPendingInputBatch}from"#harness/input-requests.js";import{getRuntimeActionRequestKey}from"#runtime/actions/keys.js";import{createExecutionNodeStep}from"#execution/node-step.js";import{emitProxiedInputRequest,routeDeliverPayload}from"#execution/subagent-hitl-proxy.js";import{turnWorkflow}from"#execution/turn-workflow.js";async function turnStep(e){"use step";let t=e;await setEveAttributes(buildTurnAttributes({parentSessionId:t.sessionState.sessionId,rootSessionId:readRootSessionId(t.serializedContext)??t.sessionState.sessionId}));let o=await readDurableSession(t.sessionState),l=await deserializeContext(t.serializedContext),f=l.require(ChannelKey),p=l.require(BundleKey),m=hydrateDurableSession({compactionOverrides:{thresholdPercent:p.resolvedAgent.config.compaction?.thresholdPercent},durable:o,turnAgent:p.turnAgent});try{let{getWorkflowMetadata:e}=await import(`#compiled/@workflow/core/index.js`),t=e();typeof t.url==`string`&&l.set(CallbackBaseUrlKey,t.url.replace(/\/$/,``))}catch{}let h=getPendingAuthorization(o.state),g;if(h&&t.input?.kind===`deliver`){let e=[],n=[],r=[];for(let i of t.input.payloads){let t=i.authorizationCallback;if(t){let r=h.challenges.find(e=>e.name===t.connectionName);r&&(e.push({name:r.name,resume:r.resume,callback:t.callback,hookUrl:r.hookUrl}),n.push({name:r.name,authorization:r.challenge}))}else r.push(i)}e.length>0&&(l.set(PendingAuthorizationResultKey,e),g=n,t=r.length>0?{...t,input:{...t.input,payloads:r}}:{...t,input:void 0})}t.input?.kind===`deliver`&&t.input.auth!==void 0&&l.set(AuthKey,t.input.auth??null);let _=buildAdapterContext(f,l),v;if(t.input?.kind===`deliver`){let e=[];for(let n of t.input.payloads){let t=f.deliver?await f.deliver(n,_):defaultDeliverResult(n);t!=null&&e.push(t)}v=e.length===0?void 0:e.reduce(coalesceTurnInputs)}else t.input?.kind===`runtime-action-result`&&(v={runtimeActionResults:t.input.results});if(t.input?.kind===`deliver`&&setChannelContext(l,{...f,state:{..._.state}}),t.input?.kind===`deliver`&&v===void 0){let e=reconcileSessionContinuationToken(l,m),n=serializeContext(l),r=e===m?t.sessionState:createDurableSessionState({session:e});return{action:`park`,...derivePendingState(e),serializedContext:n,sessionState:r}}let y=t.parentWritable.getWriter(),b=p.hookRegistry,x=p.resolvedAgent.dynamicInstructionsResolvers??[],S=p.resolvedAgent.dynamicSkillResolvers??[],C=p.resolvedAgent.dynamicToolResolvers??[],emit=async e=>{let t=await callAdapterEventHandler(f,e,_);return setChannelContext(l,{...f,state:{..._.state}}),await y.write(encodeMessageStreamEvent(timestampHandleMessageStreamEvent(t))),t},handleEvent=async(e,t)=>{let n=await emit(e);await dispatchStreamEventHooks({ctx:l,registry:b,event:n}),await dispatchDynamicToolEvent({ctx:l,resolvers:C,event:n,messages:t??[]}),await dispatchDynamicSkillEvent({ctx:l,resolvers:S,event:n,messages:t??[]}),await dispatchDynamicInstructionEvent({ctx:l,resolvers:x,event:n,messages:t??[]})},w=l.require(ModeKey),T=await runStep(l,m,async e=>{let t=resolveEffectiveOutputSchema({agentOutputSchema:p.turnAgent.outputSchema,input:v,mode:w,session:e});if(g){let e=getHarnessEmissionState(t.state);for(let{name:t,authorization:n}of g)await handleEvent(createAuthorizationCompletedEvent({authorization:n,name:t,outcome:`authorized`,sequence:e.sequence,stepIndex:e.stepIndex,turnId:e.turnId}))}let n=l.get(CapabilitiesKey);return(async(e,t)=>{let r=refreshSessionFromTurnAgent({compactionOverrides:{thresholdPercent:p.resolvedAgent.config.compaction?.thresholdPercent},refreshSystemPrompt:shouldRefreshSystemPromptFromTurnAgent(p.compiledArtifactsSource),session:e,turnAgent:p.turnAgent});return createExecutionNodeStep({capabilities:n,createRuntime:createWorkflowRuntime,handleEvent,mode:w,modelResolutionScope:{moduleMap:p.moduleMap,nodeId:p.nodeId},node:p.graph.root})(r,t)})(t,v)}),E=reconcileSessionContinuationToken(l,T.session),D=serializeContext(l);T={...T,session:E};let O=createDurableSessionState({session:T.session});if(T.next!==null&&typeof T.next==`object`&&`done`in T.next)return await y.close(),{action:`done`,output:T.next.output,isError:T.next.isError,serializedContext:D,sessionState:O};if(T.next===null){y.releaseLock();let e=getPendingCodeModeInterrupt(T.session.state);return e!==void 0&&isCodeModeRuntimeActionInterrupt(e.interrupt)?{action:`dispatch-code-mode-runtime-actions`,pendingRuntimeActionKeys:[getRuntimeActionKeyFromInterrupt(e.interrupt)],serializedContext:D,sessionState:O}:{action:`park`,...derivePendingState(T.session),serializedContext:D,sessionState:O}}return y.releaseLock(),{action:`continue`,serializedContext:D,sessionState:O}}function shouldRefreshSystemPromptFromTurnAgent(e){return e.kind===`disk`&&e.moduleMapLoaderPath!==void 0}function derivePendingState(e){let t=getPendingRuntimeActionBatch(e.state),n=getPendingAuthorization(e.state),r={authorizationNames:n?.challenges.map(e=>e.name),hasPendingAuthorization:n!==void 0,hasPendingInputBatch:hasPendingInputBatch(e.state)};return t===void 0?r:{...r,pendingRuntimeActionKeys:t.actions.map(e=>getRuntimeActionRequestKey(e))}}function reconcileSessionContinuationToken(e,t){let n=e.get(ContinuationTokenKey);return n===void 0||n===t.continuationToken?t:{...t,continuationToken:n}}function resolveEffectiveOutputSchema(e){let{agentOutputSchema:t,input:n,mode:r,session:i}=e;return n?.outputSchema===void 0?r===`task`&&i.outputSchema===void 0&&t!==void 0?{...i,outputSchema:t}:i:{...i,outputSchema:n.outputSchema}}const log=createLogger(`execution.workflow-entry`);async function emitTerminalSessionFailureStep(e){"use step";let r=formatError(e.error),i=typeof r.name==`string`?r.name:`WORKFLOW_EXECUTION_FAILED`,a=typeof r.message==`string`?r.message:String(e.error),o=e.serializedContext[`eve.sessionId`]??``;log.error(`workflow loop threw — emitting terminal session.failed`,{sessionId:o,errorId:typeof r.errorId==`string`?r.errorId:void 0,code:i,message:a,detail:typeof r.detail==`string`?r.detail:void 0});let s=createSessionFailedEvent({code:i,details:r,message:a,sessionId:o});try{let t=await deserializeContext(e.serializedContext),r=t.get(ChannelKey);r!==void 0&&await callAdapterEventHandler(r,s,buildAdapterContext(r,t))}catch(e){log.error(`adapter failed to handle terminal session.failed event`,{errorId:typeof r.errorId==`string`?r.errorId:void 0,sessionId:o,error:e})}try{let t=e.parentWritable.getWriter();try{await t.write(encodeMessageStreamEvent(timestampHandleMessageStreamEvent(s)))}finally{t.releaseLock()}}catch(e){log.error(`failed to write terminal session.failed event to durable stream`,{errorId:typeof r.errorId==`string`?r.errorId:void 0,sessionId:o,error:e})}}async function runProxyInputRequestStep(e){"use step";let t=await readDurableSession(e.sessionState),r=await deserializeContext(e.serializedContext),i=r.require(ChannelKey),a=buildAdapterContext(i,r),o=r.require(ModeKey),c=r.require(BundleKey),l=hydrateDurableSession({compactionOverrides:{thresholdPercent:c.resolvedAgent.config.compaction?.thresholdPercent},durable:t,turnAgent:c.turnAgent}),u=e.parentWritable.getWriter(),d;try{let emit=async e=>{let t=await callAdapterEventHandler(i,e,a);await u.write(encodeMessageStreamEvent(timestampHandleMessageStreamEvent(t)))};d=await withContextScope(r,l,async t=>{let n=await emitProxiedInputRequest({emit,hookPayload:e.hookPayload,mode:o,session:t});return{result:n.entries,session:n.session}})}finally{u.releaseLock()}return setChannelContext(r,{...i,state:{...a.state}}),{serializedContext:serializeContext(r),sessionState:createDurableSessionState({session:reconcileSessionContinuationToken(r,upsertProxyInputRequests({entries:d.result,forChildContinuationToken:e.hookPayload.childContinuationToken,session:d.session}))})}}async function routeProxiedDeliverStep(e){"use step";let t=await readDurableSession(e.sessionState),n=routeDeliverPayload({payload:e.payload,state:t.state}),{resumeHook:r}=await import(`#compiled/@workflow/core/runtime.js`);process.env.WORKFLOW_QUEUE_NAMESPACE=`eve`;for(let t of n.forChildren)await r(t.childContinuationToken,{auth:e.auth,kind:`deliver`,payloads:[t.payload]});return{remainder:n.forSelf}}async function dispatchTurnStep(e){"use step";return{runId:(await startWorkflowPreferLatest(turnWorkflow,[createTurnWorkflowInput(e)])).runId}}export{dispatchTurnStep,emitTerminalSessionFailureStep,reconcileSessionContinuationToken,resolveEffectiveOutputSchema,routeProxiedDeliverStep,runProxyInputRequestStep,turnStep};