eve
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Filesystem-first framework for durable backend AI agents that run anywhere.
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JavaScript
import{createActionResultEvent}from"#protocol/message.js";import{parseJsonObject}from"#shared/json.js";import{clearProxyInputRequestsForChild}from"#harness/proxy-input-requests.js";import{getRuntimeActionRequestKey,getRuntimeActionResultKey}from"#runtime/actions/keys.js";const PENDING_RUNTIME_ACTION_BATCH_KEY=`eve.runtime.pendingActionBatch`;function getPendingRuntimeActionBatch(e){let t=e?.[PENDING_RUNTIME_ACTION_BATCH_KEY];if(typeof t!=`object`||!t)return;let n=t;if(!(!Array.isArray(n.actions)||!Array.isArray(n.responseMessages)||typeof n.event!=`object`||n.event===null))return n}function hasPendingRuntimeActionBatch(e){return getPendingRuntimeActionBatch(e)!==void 0}function clearPendingRuntimeActionBatch(e){if(e.state?.[PENDING_RUNTIME_ACTION_BATCH_KEY]===void 0)return e;let t={...e.state};return delete t[PENDING_RUNTIME_ACTION_BATCH_KEY],{...e,state:Object.keys(t).length>0?t:void 0}}function setPendingRuntimeActionBatch(e){let t={...e.session.state};return t[PENDING_RUNTIME_ACTION_BATCH_KEY]={actions:[...e.actions],event:e.event,responseMessages:[...e.responseMessages]},{...e.session,state:t}}function recordPendingSubagentChildToken(e){let t=getPendingRuntimeActionBatch(e.session.state);if(t===void 0)return e.session;let n={...e.session.state};return n[PENDING_RUNTIME_ACTION_BATCH_KEY]={...t,childContinuationTokens:{...t.childContinuationTokens,[e.callId]:e.childContinuationToken}},{...e.session,state:n}}async function accumulateRuntimeActionResults(e){let t=e.pendingActionKeys,n=[...e.initialResults??[]];if(t!==void 0&&n.length>0){let e=resolveRuntimeActionResultsForKeys({pendingKeys:t,results:n});if(e!==void 0)return e}for(;;){let r=await e.getNext();if(r===null)return null;if(r.kind===`deliver`){e.bufferedDeliveries.push(r.value);continue}if(n.push(...r.results),t===void 0)continue;let i=resolveRuntimeActionResultsForKeys({pendingKeys:t,results:n});if(i!==void 0)return i}}function resolveReadyRuntimeActionResults(e){let t=getPendingRuntimeActionBatch(e.session.state);if(t!==void 0)return resolveRuntimeActionResultsForBatch({batch:t,results:e.results})}function resolveRuntimeActionResultsForBatch(e){return resolveRuntimeActionResultsForKeys({pendingKeys:e.batch.actions.map(e=>getRuntimeActionRequestKey(e)),results:e.results})}function resolveRuntimeActionResultsForKeys(e){let t=new Set(e.pendingKeys),n=new Map;for(let r of e.results){let e=getRuntimeActionResultKey(r);t.has(e)&&n.set(e,r)}let r=[];for(let t of e.pendingKeys){let e=n.get(t);if(e===void 0)return;r.push(e)}return r}async function resolvePendingRuntimeActions(t){let r=getPendingRuntimeActionBatch(t.session.state);if(r===void 0)return{messages:[...t.session.history],outcome:`continue`,session:t.session};let i=resolveReadyRuntimeActionResults({results:t.stepInput?.runtimeActionResults??[],session:t.session});if(i===void 0)return{messages:[...t.session.history],outcome:`unresolved`,session:t.session};if(t.emit!==void 0)for(let n of i)n.kind===`subagent-result`&&n.isError!==!0&&await t.emit({data:{callId:n.callId,output:typeof n.output==`string`?n.output:JSON.stringify(n.output),subagentName:n.subagentName},type:`subagent.completed`}),await t.emit(createActionResultEvent({result:n,sequence:r.event.sequence,stepIndex:r.event.stepIndex,turnId:r.event.turnId}));let a={...t.session.state};delete a[PENDING_RUNTIME_ACTION_BATCH_KEY];let o={...t.session,state:Object.keys(a).length>0?a:void 0},s=r.childContinuationTokens;if(s!==void 0)for(let e of i){if(e.kind!==`subagent-result`)continue;let t=s[e.callId];t!==void 0&&(o=clearProxyInputRequestsForChild(o,t))}let c=i.map(e=>{switch(e.kind){case`load-skill-result`:return{output:toToolResultOutput(e),toolCallId:e.callId,toolName:`load_skill`,type:`tool-result`};case`subagent-result`:return{output:toToolResultOutput(e),toolCallId:e.callId,toolName:e.subagentName,type:`tool-result`};case`tool-result`:return{output:toToolResultOutput(e),toolCallId:e.callId,toolName:e.toolName,type:`tool-result`}}throw Error(`Unsupported runtime action result kind "${String(e)}".`)}),l=[...o.history,...r.responseMessages];return c.length>0&&l.push({content:c,role:`tool`}),{messages:l,outcome:`resolved`,session:o}}function createRuntimeActionRequestFromToolCall(e){let t=e.tools.get(e.toolCall.toolName);return t?.runtimeAction?.kind===`subagent-call`?{callId:e.toolCall.toolCallId,description:t.description,input:resolveToolCallInputObject(e.toolCall.input,{callId:e.toolCall.toolCallId,toolName:e.toolCall.toolName}),kind:`subagent-call`,name:t.name,nodeId:t.runtimeAction.nodeId,subagentName:t.runtimeAction.subagentName}:t?.runtimeAction?.kind===`remote-agent-call`?{callId:e.toolCall.toolCallId,description:t.description,input:resolveToolCallInputObject(e.toolCall.input,{callId:e.toolCall.toolCallId,toolName:e.toolCall.toolName}),kind:`remote-agent-call`,name:t.name,nodeId:t.runtimeAction.nodeId,remoteAgentName:t.runtimeAction.remoteAgentName??t.name}:{callId:e.toolCall.toolCallId,input:resolveToolCallInputObject(e.toolCall.input,{callId:e.toolCall.toolCallId,toolName:e.toolCall.toolName}),kind:`tool-call`,toolName:e.toolCall.toolName}}function resolveToolCallInputObject(e,n){if(e==null)return{};try{return parseJsonObject(e)}catch(e){let t=e instanceof Error?e.message:String(e);throw TypeError(`Failed to parse tool-call arguments for "${n.toolName}" (${n.callId}): ${t}`,{cause:e})}}function toToolResultOutput(e){return typeof e.output==`string`?e.isError===!0?{type:`error-text`,value:e.output}:{type:`text`,value:e.output}:e.isError===!0?{type:`error-json`,value:toMutableJsonValue(e.output)}:{type:`json`,value:toMutableJsonValue(e.output)}}function toMutableJsonValue(e){if(e===null||typeof e==`string`||typeof e==`number`||typeof e==`boolean`)return e;if(Array.isArray(e))return e.map(e=>toMutableJsonValue(e));let t={};for(let[n,r]of Object.entries(e))t[n]=toMutableJsonValue(r);return t}export{accumulateRuntimeActionResults,clearPendingRuntimeActionBatch,createRuntimeActionRequestFromToolCall,getPendingRuntimeActionBatch,hasPendingRuntimeActionBatch,recordPendingSubagentChildToken,resolvePendingRuntimeActions,resolveToolCallInputObject,setPendingRuntimeActionBatch};