packages/runtime-host/src/process-diagnostics.ts

import { DiagnosticLogBuffer } from '@maka/core/diagnostic-log';
import { installConsoleDiagnosticLogCapture } from '@maka/core/node-diagnostic-log';
import {
  HOST_DIAGNOSTIC_LOG_MAX_ENTRIES,
  HOST_DIAGNOSTIC_LOG_MAX_ENTRY_BYTES,
} from './protocol/host-status.js';

export const RUNTIME_HOST_DIAGNOSTIC_LOG_MAX_BYTES = 64 * 1024;

export const runtimeHostLogBuffer = new DiagnosticLogBuffer({
  maxBytes: RUNTIME_HOST_DIAGNOSTIC_LOG_MAX_BYTES,
  maxEntries: HOST_DIAGNOSTIC_LOG_MAX_ENTRIES,
  maxEntryUtf8Bytes: HOST_DIAGNOSTIC_LOG_MAX_ENTRY_BYTES,
});

let logCaptureInstalled = false;

export function installRuntimeHostLogCapture(buffer = runtimeHostLogBuffer): void {
  if (logCaptureInstalled) return;
  logCaptureInstalled = true;
  installConsoleDiagnosticLogCapture(buffer);
}