eve/dist/src/public/channels/slack/defaults.js

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

import{createLogger,extractErrorId,formatErrorHint,logError}from"#internal/logging.js";import{SLACK_MARKDOWN_TEXT_MAX_LENGTH,SLACK_MAX_BLOCKS_PER_MESSAGE,truncateMessageText,truncateTypingStatus}from"#public/channels/slack/limits.js";import{describeActionRequests}from"#public/channels/slack/action-status.js";import{buildSlackAuthContext,slackUserIdFromAuthContext}from"#public/channels/slack/auth.js";import{buildAuthCompletedText,buildAuthEphemeralBlocks,buildAuthRequiredPublicText,formatConnectionDisplayName}from"#public/channels/slack/connections.js";import{buildAnsweredBlocks,decodeHitlActionId,renderInputRequestPostParts}from"#public/channels/slack/hitl.js";import{deliverPrivateInputRequest}from"#public/channels/slack/private-approval-delivery.js";const log=createLogger(`slack.defaults`),LONG_RESPONSE_NOTICE=`Here's a snippet with the full response.`,reasoningByState=new WeakMap;function extractSemanticErrorSummary(e){if(typeof e.details!=`object`||e.details===null)return null;let t=e.details;if(typeof t.semanticErrorId!=`string`||t.semanticErrorId.length===0||typeof t.name!=`string`||t.name.length===0)return null;let n=typeof t.message==`string`&&t.message.trim().length>0?t.message.trim():e.message?.trim();if(!n)return null;let r=typeof t.hint==`string`&&t.hint.trim().length>0?t.hint.trim():void 0;return r===void 0?{message:n,name:t.name}:{hint:r,message:n,name:t.name}}function formatSemanticErrorBlock(e,t){return[`### ${e.name}`,``,e.message,...e.hint?[``,`**How to fix**`,e.hint]:[],...t?[``,`**Error id:**`,`\`${t}\``]:[]].flatMap(e=>e.split(`
`)).map(e=>e.length>0?`> ${e}`:`> `).join(`
`)}function formatSemanticErrorReply(e){return[`${e.introduction}.`,``,formatSemanticErrorBlock(e.summary,e.errorId),...e.summary.hint?[]:[``,e.nextStep],...e.summary.hint&&e.followUp?[``,e.followUp]:[]].join(`
`)}function blockContainsRequestAction(e,t){if(typeof e!=`object`||!e)return!1;let n=e;return[n.actions,n.elements].some(e=>Array.isArray(e)&&e.some(e=>{if(typeof e!=`object`||!e)return!1;let n=e.action_id;return typeof n==`string`&&decodeHitlActionId(n)?.requestId===t}))}function defaultSlackAuth(e,t){let n=e.author;return n?buildSlackAuthContext({channelId:t.slack.channelId,fullName:n.fullName,isBot:n.isBot,teamId:e.teamId,threadTs:t.slack.threadTs,userId:n.userId,userName:n.userName}):null}async function defaultOnAppMention(e,t){return await e.thread.startTyping(`Thinking...`),{auth:defaultSlackAuth(t,e)}}async function defaultOnDirectMessage(e,t){return await e.thread.startTyping(`Thinking...`),{auth:defaultSlackAuth(t,e)}}function firstNonEmptyLine(e){for(let t of e.split(/\r?\n/u)){let e=t.trim();if(e.length>0)return e}}function defaultInputRequestedHandler(e){return async(t,n,r)=>{let i=[],a=[];for(let n of t.requests)((e===void 0?`thread`:await e(n,r))===`direct-message`?i:a).push(n);await postPublicInputRequests(a,n);for(let e of i){let t=slackUserIdFromAuthContext(r.session.auth.current)??n.state.triggeringUserId;if(!t){log.warn(`direct-message input request not delivered because no reviewer was resolved`,{requestId:e.requestId,sessionId:r.session.id});continue}let i=await deliverPrivateInputRequest({previewMessageTs:n.state.triggeringMessageTs??n.slack.threadTs,request:e,reviewer:t,slack:n.slack});recordApprovalCards(n.state,[e],i);try{await n.thread.post(`Waiting on ${e.kind===`tool-approval`?`approval`:`a response`} from <@${t}>…`)}catch(t){logError(log,`failed to announce private input request`,t,{requestId:e.requestId,sessionId:r.session.id})}}}}async function postPublicInputRequests(e,t){for(let n of buildInputRequestPosts(e)){let e=await t.thread.post({blocks:n.blocks,text:n.text});recordApprovalCards(t.state,n.requests,{messageBlocks:n.blocks,messageTs:e.id})}}function recordApprovalCards(e,t,n){if(!n.messageTs)return;let r={...e.pendingApprovalCards};for(let e of t)e.kind===`tool-approval`&&(r[e.requestId]=n);e.pendingApprovalCards=r}function buildInputRequestPosts(e){let t=[],n=[];for(let r of e){let e=renderInputRequestPostParts(r);e.details&&t.push({...e.details,request:r}),n.push({...e.controls,request:r})}return[...groupInputRequestPostParts(t),...groupInputRequestPostParts(n)]}function groupInputRequestPostParts(e){let t=[];for(let n of e){let e=t.at(-1);e&&e.blocks.length+n.blocks.length<=SLACK_MAX_BLOCKS_PER_MESSAGE?(e.blocks.push(...n.blocks),e.fallbacks.push(n.text),e.requests.push(n.request)):t.push({blocks:[...n.blocks],fallbacks:[n.text],requests:[n.request]})}return t.map(e=>({blocks:e.blocks,requests:e.requests,text:truncateMessageText(e.fallbacks.join(`
`))}))}async function postCompletedSlackReply(e,t){if(t.length<=SLACK_MARKDOWN_TEXT_MAX_LENGTH){await e.thread.post(t);return}let n={data:new Blob([t],{type:`text/markdown`}),filename:`eve-response.md`,mimeType:`text/markdown`},r=e.slack.threadTs.length>0;if(!r&&(!(await e.thread.post(LONG_RESPONSE_NOTICE)).id||e.slack.threadTs.length===0))throw Error(`Slack did not return a thread timestamp for the long response notice.`);await e.slack.uploadFiles([n],{initialComment:r?LONG_RESPONSE_NOTICE:void 0,snippetType:`markdown`})}const defaultEvents={async"approval.candidate"(e,t,n){let r=t.state.pendingApprovalCandidateUsers?.[e.candidateId];if(e.outcome===`pending`&&r!==void 0){await t.thread.postEphemeral(r,`Checking whether you can approve this action…`);return}r!==void 0&&(e.outcome===`rejected`||e.outcome===`failed`)&&await t.thread.postEphemeral(r,e.reason??`We couldn’t verify your approval. Please try again.`)},async"approval.settled"(e,t,n){let r=t.state.pendingApprovalCards??{},i=r[e.requestId];if(i===void 0)return;let a=i.messageChannelId??t.state.channelId;if(a===null)return;let o=e.outcome===`approved`?`Approve`:`Cancel`,s=t.state.approvalResponderUsers?.[e.responderPrincipalId],c=i.messageBlocks.flatMap(t=>{if(!blockContainsRequestAction(t,e.requestId))return[t];if(typeof t!=`object`||!t)return[];let n=t;if(n.type!==`card`)return buildAnsweredBlocks({answerLabel:o,promptBlocks:[],userId:s});let{actions:r,...i}=n;return buildAnsweredBlocks({answerLabel:o,promptBlocks:[i],userId:s})});await t.slack.request(`chat.update`,{blocks:c,channel:a,text:`Answered: ${o}`,ts:i.messageTs});let l={...r};delete l[e.requestId];for(let[e,t]of Object.entries(l))t.messageTs===i.messageTs&&(l[e]={...t,messageBlocks:c});t.state.pendingApprovalCards=l},async"turn.started"(e,t,n){t.state.pendingToolCallMessage=null,t.state.lastReasoningTypingAtMs=null,t.state.lastReasoningTypingStatus=null,reasoningByState.delete(t.state),await t.thread.startTyping(`Working...`)},async"reasoning.appended"(e,t,n){let r=reasoningByState.get(t.state),i=r?.turnId===e.turnId&&r.stepIndex===e.stepIndex;i||(t.state.lastReasoningTypingAtMs=null,t.state.lastReasoningTypingStatus=null);let a=(i?r.text:``)+e.reasoningDelta;reasoningByState.set(t.state,{stepIndex:e.stepIndex,text:a,turnId:e.turnId});let o=firstNonEmptyLine(a);if(o===void 0)return;let s=truncateTypingStatus(o),c=t.state.lastReasoningTypingStatus,l=c!=null&&s.startsWith(c)&&s.length>=c.length+4,u=Date.now(),d=t.state.lastReasoningTypingAtMs;if(!l&&d!=null){let e=u-d;if(e>=0&&e<5e3)return}await t.thread.startTyping(s),t.state.lastReasoningTypingAtMs=u,t.state.lastReasoningTypingStatus=s},async"reasoning.completed"(e,t,n){let r=reasoningByState.get(t.state);r?.turnId===e.turnId&&r.stepIndex===e.stepIndex&&(reasoningByState.delete(t.state),t.state.lastReasoningTypingAtMs=null,t.state.lastReasoningTypingStatus=null)},async"actions.requested"(e,t,n){let r=t.state.pendingToolCallMessage;if(t.state.pendingToolCallMessage=null,r){await t.thread.startTyping(truncateTypingStatus(r));return}await t.thread.startTyping(truncateTypingStatus(describeActionRequests(e.actions)))},async"message.completed"(e,t,n){if(e.finishReason===`tool-calls`){t.state.pendingToolCallMessage=e.message?firstNonEmptyLine(e.message)??null:null;return}if(t.state.pendingToolCallMessage=null,!e.message){await t.thread.startTyping();return}await postCompletedSlackReply(t,e.message)},async"turn.failed"(e,t,n){let r=extractErrorId(e.details),i=extractSemanticErrorSummary(e);if(i!==null){await t.thread.post(formatSemanticErrorReply({errorId:r,introduction:`I hit an error while handling your request`,nextStep:`Please try again, rephrase, or reach out if it keeps failing.`,summary:i}));return}let a=formatErrorHint(e);await t.thread.post([`I hit an error while handling your request${a}.`,``,`Please try again, rephrase, or reach out if it keeps failing.`,...r?[``,`_Error id: \`${r}\`_`]:[]].join(`
`))},async"session.failed"(e,t){let n=extractErrorId(e.details),r=extractSemanticErrorSummary(e);if(r!==null){await t.thread.post(formatSemanticErrorReply({errorId:n,followUp:`Start a new thread to continue — I can't pick this one back up.`,introduction:`This session couldn't recover from an error`,nextStep:`Resolve the issue, then start a new thread — I can't pick this one back up.`,summary:r}));return}let i=formatErrorHint(e);await t.thread.post([`This session couldn't recover from an error${i}.`,``,`Start a new thread to continue — I can't pick this one back up.`,...n?[``,`_Error id: \`${n}\`_`]:[]].join(`
`))},async"authorization.required"(e,t,n){let r=e.authorization?.displayName??formatConnectionDisplayName(e.name),i=e.candidateId===void 0?slackUserIdFromAuthContext(n.session.auth.current)??t.state.triggeringUserId??null:t.state.pendingApprovalCandidateUsers?.[e.candidateId]??null,a=e.authorization?.url,o=t.state.pendingAuthMessageTs??{};if(e.candidateId===void 0&&o[e.name]===void 0){let n=buildAuthRequiredPublicText({displayName:r,hasUser:i!==null});try{let r=await t.thread.post(n);r.id&&(t.state.pendingAuthMessageTs={...o,[e.name]:r.id})}catch(t){log.error(`Slack auth public message delivery failed`,{name:e.name,error:t})}}if(i&&a){let n=e.authorization?.userCode;try{await t.thread.postEphemeral(i,{blocks:buildAuthEphemeralBlocks({displayName:r,url:a,userCode:n}),text:n?`Sign in with ${r}: ${a} (code: ${n})`:`Sign in with ${r}: ${a}`})}catch(t){log.error(`Slack auth ephemeral delivery failed`,{name:e.name,error:t})}}},async"authorization.completed"(e,t,n){let r=e.authorization?.displayName??formatConnectionDisplayName(e.name);e.outcome===`authorized`&&e.candidateId===void 0&&await t.thread.startTyping(`Connected to ${r}. Resuming...`);let i=t.state.pendingAuthMessageTs??{},a=i[e.name];if(a===void 0)return;let o=buildAuthCompletedText({displayName:r,outcome:e.outcome,reason:e.reason});try{await t.slack.request(`chat.update`,{channel:t.slack.channelId,ts:a,text:o})}catch(t){log.error(`Slack auth status edit failed`,{name:e.name,error:t})}let s={...i};delete s[e.name],t.state.pendingAuthMessageTs=s}};export{defaultEvents,defaultInputRequestedHandler,defaultOnAppMention,defaultOnDirectMessage,defaultSlackAuth,postCompletedSlackReply};