Function writeMigrationLog

apps/desktop/main/utils/pathUtils.ts:184–195

(logDir: string, message: string, ensureDir: (dirPath: string) => void)

 * 写入迁移日志到 app.log
 */
export function writeMigrationLog(logDir: string, message: string, ensureDir: (dirPath: string) => void): void {
  try {
    ensureDir(logDir)
    const logPath = path.join(logDir, 'app.log')
    const now = new Date()
    const timestamp = `${now.getFullYear()}-${String(now.getMonth() + 1).padStart(2, '0')}-${String(now.getDate()).padStart(2, '0')} ${String(now.getHours()).padStart(2, '0')}:${String(now.getMinutes()).padStart(2, '0')}:${String(now.getSeconds()).padStart(2, '0')}`
    const logLine = `[${timestamp}] [MIGRATION] ${message}\n`
    fs.appendFileSync(logPath, logLine, 'utf-8')
  } catch {
    // 日志写入失败时静默处理
  }
}

function hasChatLabStructure(entries: string[], markerFile: string, requiredDirs: string[]): boolean {
  const hasMarker = entries.includes(markerFile)