eve/dist/src/execution/node-step.js

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

import{createLogger}from"#internal/logging.js";import{resolveInstalledPackageInfo}from"#internal/application/package.js";import{jsonSchema}from"ai";import{createToolLoopHarness}from"#harness/tool-loop.js";import{resolveCodeModeEnabled}from"#shared/code-mode.js";import{resolveRuntimeModelReference}from"#runtime/agent/resolve-model.js";import{findRegisteredRuntimeTool}from"#runtime/tools/registry.js";import{SUBAGENT_TOOL_INPUT_SCHEMA}from"#runtime/subagents/registry.js";import{preserveFrameworkStateOnCompaction}from"#execution/compaction.js";import{createToolExecuteWithAuth}from"#execution/tool-auth.js";const log=createLogger(`execution.node-step`);function createExecutionNodeStep(e){let t=createRuntimeModelResolver(e.modelResolutionScope),n=createNodeHarnessTools({node:e.node});return createToolLoopHarness({capabilities:e.capabilities,codeMode:resolveCodeModeEnabled(e.node.agent.config?.experimental?.codeMode),workflow:e.node.agent.workflowEnabled===!0,handleEvent:e.handleEvent,mode:e.mode,onCompaction:preserveFrameworkStateOnCompaction,resolveModel:t,runtimeIdentity:buildRuntimeIdentity(e.node),tools:n})}function buildRuntimeIdentity(e){let n=resolveInstalledPackageInfo(),r={agentId:e.turnAgent.id,agentName:e.agent.config?.name,eveVersion:n.version,modelId:e.turnAgent.model.id},i=process.env.VERCEL_GIT_COMMIT_SHA?.trim(),a=process.env.VERCEL_GIT_COMMIT_REF?.trim(),o=process.env.VERCEL_DEPLOYMENT_CREATED_AT?.trim();return i||a||o?{...r,build:{deployedAt:o||void 0,gitBranch:a||void 0,gitSha:i||void 0}}:r}function createRuntimeModelResolver(e){return t=>resolveRuntimeModelReference(t,e)}function createNodeHarnessTools(e){let t=new Map;for(let n of e.node.turnAgent.tools){let r=resolveHarnessToolDefinition({node:e.node,tool:n});r!==null&&t.set(n.name,r)}return t.has(`agent`)||t.set(`agent`,{description:`Launch a new agent to handle a complex, multi-step subtask.`,inputSchema:jsonSchema(SUBAGENT_TOOL_INPUT_SCHEMA),name:`agent`,runtimeAction:{kind:`subagent-call`,nodeId:e.node.nodeId,subagentName:`agent`}}),t}function resolveHarnessToolDefinition(e){if(e.tool.kind===`subagent`)return{description:e.tool.description??``,inputSchema:jsonSchema(e.tool.inputSchema??{}),name:e.tool.name,outputSchema:e.tool.outputSchema===void 0?void 0:jsonSchema(e.tool.outputSchema),runtimeAction:{kind:`subagent-call`,nodeId:e.tool.nodeId,subagentName:e.tool.name}};if(e.tool.kind===`remote`)return{description:e.tool.description??``,inputSchema:jsonSchema(e.tool.inputSchema??{}),name:e.tool.name,outputSchema:e.tool.outputSchema===void 0?void 0:jsonSchema(e.tool.outputSchema),runtimeAction:{kind:`remote-agent-call`,nodeId:e.tool.nodeId,remoteAgentName:e.tool.name,subagentName:e.tool.name}};let t=findRegisteredRuntimeTool(e.node.toolRegistry,e.tool.name);if(t===null)return log.warn(`declared tool is not registered — omitting from toolset`,{toolName:e.tool.name,nodeId:e.node.nodeId}),null;let r=t.definition,i=r.sourceId.startsWith(`eve:`),a=r.execute;return{approvalKey:r.approvalKey,description:r.description,execute:resolveAuthoredExecute({auth:r.auth,isFrameworkTool:i,rawExecute:a,scope:r.name}),inputSchema:r.inputStandardSchema??jsonSchema(r.inputSchema??{}),name:r.name,needsApproval:r.needsApproval,outputSchema:r.outputStandardSchema??maybeJsonSchema(r.outputSchema),toModelOutput:r.toModelOutput}}function resolveAuthoredExecute(e){let{auth:t,isFrameworkTool:n,rawExecute:r,scope:i}=e;return r===void 0?void 0:n?r:createToolExecuteWithAuth({execute:r,scope:i,topLevelAuth:t})}function maybeJsonSchema(e){return e===void 0?void 0:jsonSchema(e)}export{createExecutionNodeStep,createNodeHarnessTools};