eve
Version:
Filesystem-first framework for durable backend AI agents that run anywhere.
5 lines (3 loc) • 3.23 kB
JavaScript
function createCompactionConfig(e={}){let t=e.thresholdPercent??.9,n={recentWindowSize:10,threshold:e.contextWindowTokens===void 0?1e5:Math.max(1,Math.floor(e.contextWindowTokens*t))};return e.lastKnownInputTokens===void 0?n:{...n,lastKnownInputTokens:e.lastKnownInputTokens,lastKnownPromptMessageCount:e.lastKnownPromptMessageCount}}function createSession(e){let{turnAgent:t}=e,n=createSessionToolDefinitions(t),r={agent:{compactionModelReference:t.compactionModel,modelReference:t.model,system:t.instructions.join(`
`),tools:n},compaction:createCompactionConfig({contextWindowTokens:t.model.contextWindowTokens,thresholdPercent:e.compactionOverrides?.thresholdPercent}),continuationToken:e.continuationToken,history:[],sessionId:e.sessionId};return e.rootSessionId!==void 0&&(r.rootSessionId=e.rootSessionId),e.outputSchema!==void 0&&(r.outputSchema=e.outputSchema),r}function refreshSessionFromTurnAgent(e){return{...e.session,agent:{compactionModelReference:e.turnAgent.compactionModel,modelReference:e.turnAgent.model,system:e.refreshSystemPrompt===!0?e.turnAgent.instructions.join(`
`):e.session.agent.system,tools:createSessionToolDefinitions(e.turnAgent)},compaction:createCompactionConfig({contextWindowTokens:e.turnAgent.model.contextWindowTokens,lastKnownInputTokens:e.session.compaction.lastKnownInputTokens,lastKnownPromptMessageCount:e.session.compaction.lastKnownPromptMessageCount,thresholdPercent:e.compactionOverrides?.thresholdPercent})}}function mintSubagentContinuationToken(e){return`subagent:${e??crypto.randomUUID()}`}function projectToDurableSession(e){let t={agent:{system:e.agent.system},continuationToken:e.continuationToken,history:e.history,sessionId:e.sessionId};return(e.compaction.lastKnownInputTokens!==void 0||e.compaction.lastKnownPromptMessageCount!==void 0)&&(t.compaction={lastKnownInputTokens:e.compaction.lastKnownInputTokens,lastKnownPromptMessageCount:e.compaction.lastKnownPromptMessageCount}),e.rootSessionId!==void 0&&(t.rootSessionId=e.rootSessionId),e.outputSchema!==void 0&&(t.outputSchema=e.outputSchema),e.sandboxState!==void 0&&(t.sandboxState=e.sandboxState),e.state!==void 0&&(t.state=e.state),t}function hydrateDurableSession(e){let{durable:t,turnAgent:n}=e,r=createSessionToolDefinitions(n),i={agent:{compactionModelReference:n.compactionModel,modelReference:n.model,system:t.agent.system,tools:r},compaction:createCompactionConfig({contextWindowTokens:n.model.contextWindowTokens,lastKnownInputTokens:t.compaction?.lastKnownInputTokens,lastKnownPromptMessageCount:t.compaction?.lastKnownPromptMessageCount,thresholdPercent:e.compactionOverrides?.thresholdPercent}),continuationToken:t.continuationToken,history:t.history,sessionId:t.sessionId};return t.rootSessionId!==void 0&&(i.rootSessionId=t.rootSessionId),t.outputSchema!==void 0&&(i.outputSchema=t.outputSchema),t.sandboxState!==void 0&&(i.sandboxState=t.sandboxState),t.state!==void 0&&(i.state=t.state),i}function createSessionToolDefinitions(e){return e.tools.map(e=>({description:e.description??``,inputSchema:e.inputSchema,name:e.name,outputSchema:e.outputSchema}))}export{createCompactionConfig,createSession,hydrateDurableSession,mintSubagentContinuationToken,projectToDurableSession,refreshSessionFromTurnAgent};