fix: lazy-load Pi device package manager

electron/coding-packages/device-package-manager.ts

@@ -2,7 +2,6 @@ import { execFile } from 'node:child_process';
 import { randomUUID } from 'node:crypto';
 import { cp, mkdir, readFile, rename, rm, stat } from 'node:fs/promises';
 import path from 'node:path';
-import { DefaultPackageManager, SettingsManager } from '@earendil-works/pi-coding-agent';
 import { atomicWriteJson } from '../coding-projects/atomic-json';
 import {
   devicePackageKind,
@@ -280,6 +279,9 @@ export class DevicePackageManager {
           cwd,
           env: installEnvironment(agentDir),
         });
+        const { DefaultPackageManager, SettingsManager } = await import(
+          '@earendil-works/pi-coding-agent'
+        );
         const manager = new DefaultPackageManager({
           cwd,
           agentDir,