eve
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Filesystem-first framework for durable backend AI agents that run anywhere.
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JavaScript
import{resolveTextToResponses}from"#channel/resolve-text.js";import{parseJsonObject}from"#shared/json.js";import{coalesceTurnInputs}from"#harness/messages.js";import{isSessionLimitContinuationRequest,resolveSessionLimitContinuation}from"#harness/session-limit-continuation.js";const PENDING_INPUT_BATCH_KEY=`eve.runtime.pendingInputBatch`,APPROVED_TOOLS_KEY=`eve.runtime.hitl.approvedTools`,DEFERRED_STEP_INPUT_KEY=`eve.runtime.deferredStepInput`,TOOL_EXECUTION_DENIED_MESSAGE=`Tool execution was denied.`;function hasStepInput(e){return e===void 0?!1:e.message!==void 0||(e.inputResponses?.length??0)>0}function consumeDeferredStepInput(e){let t=getDeferredStepInput(e.session);if(t===void 0)return e;let r=clearDeferredStepInput(e.session);return e.input===void 0?{input:t,session:r}:{input:coalesceTurnInputs(t,e.input),session:r}}function hasDeferredStepInput(e){return getDeferredStepInput(e)!==void 0}function resolvePendingInput(e){let{stepInput:t}=e,n=e.session,r=[...e.history??n.history],a=getPendingInputBatch(n.state);if(a===void 0)return{outcome:`continue`,messages:r,session:n};let o=resolveTextMessageInput(a,t),s=o?.inputResponses??[],c=a.requests.some(e=>isApprovalRequest(e));if(s.length===0&&o?.message===void 0)return{outcome:`unresolved`,messages:r,session:n};if(c&&hasUnansweredApproval({pendingBatch:a,responses:s}))return n=queueDeferredStepInput(n,compactStepInput(o)),{deferredMessage:!0,outcome:`unresolved`,messages:r,session:n};if(s.length===0&&o?.message!==void 0){let e=buildToolResponseParts(a,[]),t=[...r,...a.responseMessages];e.length>0&&t.push({content:e,role:`tool`});let i=buildRejectedActionBatch(a,[]);return n=clearPendingInputBatch(n),{consumedMessage:o?.messageConsumed,outcome:`resolved`,messages:t,rejectedActions:i,session:n}}let l=resolveSessionLimitContinuation({requests:a.requests,responses:s});n=recordApprovedTools({pendingBatch:a,resolveApprovalKey:e.resolveApprovalKey,responses:s,session:n});let u=buildToolResponseParts(a,s),d=[...r,...a.responseMessages];u.length>0&&d.push({content:u,role:`tool`});let f=buildRejectedActionBatch(a,s);if(n=clearPendingInputBatch(n),c){let e={};if((o?.context?.length??0)>0&&(e.context=o?.context),o?.message!==void 0&&(e.message=o.message),e.context!==void 0||e.message!==void 0)return n=queueDeferredStepInput(n,e),{consumedMessage:o?.messageConsumed,deferredContext:e.context===void 0?void 0:!0,deferredMessage:e.message===void 0?void 0:!0,limitContinuation:l,outcome:`resolved`,messages:d,rejectedActions:f,session:n}}return{consumedMessage:o?.messageConsumed,limitContinuation:l,outcome:`resolved`,messages:d,rejectedActions:f,session:n}}function resolveTextMessageInput(t,n){if(typeof n?.message!=`string`||(n.inputResponses?.length??0)>0)return n;let r=resolveTextToResponses(n.message,t.requests);return r.length===0?n:compactStepInput({...n,inputResponses:r,messageConsumed:!0,message:void 0})}function compactStepInput(e){if(e===void 0)return{};let t={};return(e.context?.length??0)>0&&(t.context=e.context),(e.inputResponses?.length??0)>0&&(t.inputResponses=e.inputResponses),e.message!==void 0&&(t.message=e.message),e.messageConsumed===!0&&(t.messageConsumed=!0),e.outputSchema!==void 0&&(t.outputSchema=e.outputSchema),t}function hasUnansweredApproval(e){let t=new Set(e.responses.map(e=>e.requestId));return e.pendingBatch.requests.some(e=>isApprovalRequest(e)&&!t.has(e.requestId))}function hasPendingInputBatch(e){return getPendingInputBatch(e)!==void 0}function getPendingInputRequestIds(e){return new Set(getPendingInputBatch(e)?.requests.map(e=>e.requestId))}function getPendingInputBatch(e){let t=e?.[PENDING_INPUT_BATCH_KEY];if(typeof t!=`object`||!t)return;let n=t;if(!(!Array.isArray(n.requests)||!Array.isArray(n.responseMessages)))return n}function setPendingInputBatch(e){let t={...e.session.state};return t[PENDING_INPUT_BATCH_KEY]={event:e.event,requests:[...e.requests],responseMessages:[...e.responseMessages]},{...e.session,state:t}}function clearPendingInputBatch(e){if(e.state?.[PENDING_INPUT_BATCH_KEY]===void 0)return e;let t={...e.state};return delete t[PENDING_INPUT_BATCH_KEY],{...e,state:Object.keys(t).length>0?t:void 0}}function getDeferredStepInput(e){return e.state?.[DEFERRED_STEP_INPUT_KEY]}function queueDeferredStepInput(e,t){let r=getDeferredStepInput(e),i=r===void 0?t:coalesceTurnInputs(r,t),a={...e.state};return a[DEFERRED_STEP_INPUT_KEY]=i,{...e,state:a}}function clearDeferredStepInput(e){if(e.state?.[DEFERRED_STEP_INPUT_KEY]===void 0)return e;let t={...e.state};return delete t[DEFERRED_STEP_INPUT_KEY],{...e,state:Object.keys(t).length>0?t:void 0}}function getApprovedTools(e){let t=e.state?.[APPROVED_TOOLS_KEY];return Array.isArray(t)?new Set(t):new Set}function recordApprovedTools(e){let t=new Set(e.responses.filter(e=>e.optionId===`approve`).map(e=>e.requestId)),n=e.pendingBatch.requests.filter(e=>t.has(e.requestId)).map(t=>e.resolveApprovalKey?.(t)??t.action.toolName);if(n.length===0)return e.session;let r=getApprovedTools(e.session),i=[...new Set([...r,...n])],a={...e.session.state};return a[APPROVED_TOOLS_KEY]=i,{...e.session,state:a}}function resolveApprovalOutcome(e){return e===void 0?{approved:!1,reason:`Ignored because the user continued without responding.`,status:`ignored`}:e.optionId===`approve`?{approved:!0,reason:void 0,status:`approved`}:e.optionId===`deny`?{approved:!1,reason:TOOL_EXECUTION_DENIED_MESSAGE,status:`denied`}:{approved:!1,reason:`Invalid approval response.`,status:`invalid`}}function buildRejectedActionBatch(e,t){if(e.event===void 0)return;let n=new Map(t.map(e=>[e.requestId,e])),r=[];for(let t of e.requests){if(!isApprovalRequest(t))continue;let{approved:e,reason:i,status:a}=resolveApprovalOutcome(n.get(t.requestId));e||r.push({callId:t.action.callId,isError:!0,kind:`tool-result`,output:{approval:{requestId:t.requestId,status:a},code:`TOOL_EXECUTION_DENIED`,message:i??TOOL_EXECUTION_DENIED_MESSAGE,tool:{result:`not_run`}},toolName:t.action.toolName})}return r.length>0?{event:e.event,results:r}:void 0}function buildToolResponseParts(e,t){let n=new Map(t.map(e=>[e.requestId,e])),r=[];for(let t of e.requests)r.push(...buildToolResponsePartsForRequest(t,n.get(t.requestId)));return r}function buildToolResponsePartsForRequest(e,t){if(isSessionLimitContinuationRequest(e))return[];if(isApprovalRequest(e)){let{approved:n,reason:r}=resolveApprovalOutcome(t),i=[{approvalId:e.requestId,approved:n,reason:r,type:`tool-approval-response`}];return n||i.push({output:{type:`execution-denied`,reason:r},toolCallId:e.action.callId,toolName:e.action.toolName,type:`tool-result`}),i}return[{output:{type:`json`,value:t===void 0?{status:`ignored`}:{optionId:t.optionId,text:t.text,status:`answered`}},toolCallId:e.action.callId,toolName:e.action.toolName,type:`tool-result`}]}function isApprovalRequest(e){return e.options?.length===2&&e.options[0]?.id===`approve`&&e.options[1]?.id===`deny`}function createRuntimeToolCallActionFromToolCall(e){return{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})}}export{consumeDeferredStepInput,createRuntimeToolCallActionFromToolCall,getApprovedTools,getPendingInputRequestIds,hasDeferredStepInput,hasPendingInputBatch,hasStepInput,isApprovalRequest,resolvePendingInput,setPendingInputBatch};