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xiaoju b9b804eac5 feat(core): sense trigger supports arbitrary shell commands
Extend SenseComputeReturn to support shell triggers in addition to workflow
triggers via a discriminated union (kind: 'shell' | 'workflow').

Shell triggers execute a command string in the sense worker subprocess
(spawned detached). The kernel logs 'shell-launch' events without involving
the workflow manager.

Breaking change: WorkflowTrigger now requires kind: 'workflow'.
New ShellTrigger type: { kind: 'shell', command: string }.
SenseTrigger = WorkflowTrigger | ShellTrigger.

Closes #315
2026-05-02 10:00:23 +00:00
..

@uncaged/nerve-core

Shared types and configuration parser for the nerve observation engine.

What's Inside

  • Type definitionsSenseConfig, SenseInfo, SenseComputeFn, SenseModule, WorkflowConfig, NerveConfig, WorkflowTrigger, and related types
  • Config parserparseNerveConfig(yaml) validates and parses nerve.yaml into NerveConfig (top-level reflexes is rejected; use interval / on on each sense)
  • Workflow triggersparseWorkflowTrigger validates structured workflow launch objects from Sense compute results or IPC
  • Daemon IPC protocol — request/response types (DaemonIpcRequest, DaemonIpcResponse, …) and parseDaemonIpcRequest for newline-delimited JSON on the CLI ↔ daemon socket
  • Workflow automaton typesSTART / END sentinel constants, WorkflowMessage, StartStep, RoleStep, ModeratorContext (start + steps; empty steps on first moderator call), Moderator (single context argument), WorkflowDefinition, Role, RoleResult, plus DEFAULT_ENGINE_MAX_ROUNDS
  • Result typeResult<T> with ok() / err() helpers for explicit error handling (no thrown exceptions for parse paths)

Usage

import { parseNerveConfig, ok, err } from "@uncaged/nerve-core";
import type { NerveConfig, Result } from "@uncaged/nerve-core";

const result: Result<NerveConfig> = parseNerveConfig(yamlString);
if (result.ok) {
  console.log(result.value.senses);
}

Workflow trigger validation

import { parseWorkflowTrigger } from "@uncaged/nerve-core";

const directive = parseWorkflowTrigger({
  name: "my-workflow",
  maxRounds: 8,
  prompt: "Hello from sense",
  dryRun: false,
});
if (directive.ok) {
  console.log(directive.value.name, directive.value.maxRounds, directive.value.prompt);
}

Sense modules return { state, workflow } from compute(state); when workflow is non-null it must satisfy the shape validated by parseWorkflowTrigger (the daemon validates before starting a run).

Duration Format

Config fields like throttle, timeout, and interval accept human-readable durations:

  • 5s — 5 seconds
  • 10m — 10 minutes
  • 1h — 1 hour

Install

pnpm add @uncaged/nerve-core

License

MIT