ACT Token Parser (parsers/act.ts)

Parses `<|ACT {...}|>` streaming-control tokens from LLM output, extracting JSON action data without side effects for built‑in performance actions.

// Source: https://github.com/moeru-ai/airi | License: MIT | Copyright 2024-PRESENT Neko Ayaka
// Provided via justclaw.it.com; keep this notice with the code.
import type { LlmStreamingControlParser, LlmStreamingControlTokenAct } from '../types'

const actTokenPrefix = '<|ACT '
const markerSuffix = '|>'

function isPlainObject(value: unknown): value is Record<string, unknown> {
  return typeof value === 'object' && value !== null && !Array.isArray(value)
}

/**
 * Creates the parser for `<|ACT {...}|>` streaming-control tokens.
 *
 * Use when:
 * - Loading the built-in performance action control
 *
 * Expects:
 * - The token body is a JSON object literal
 *
 * Returns:
 * - Parsed action data with no side effects
 */
export function tokenAct(): LlmStreamingControlParser<LlmStreamingContro

... (truncated -- full source via MCP)