Function needsUnifiedDirMigration

apps/desktop/main/paths.ts:587–602

()

 * Electron 启动并写入了默认值 ~/.chatlab/data，导致迁移被跳过。
 */
export function needsUnifiedDirMigration(): boolean {
  const config = loadConfig()
  if (config.data.electron_migration_done) return false

  const oldDataDir = resolveOldElectronDataDir()
  const oldDbDir = path.join(oldDataDir, 'databases')
  if (!fs.existsSync(oldDbDir)) return false

  const hasDb = fs.readdirSync(oldDbDir).some((f) => f.endsWith('.db'))
  if (!hasDb) return false

  const currentUserDataDir = config.data.user_data_dir || getDefaultUserDataDir()
  if (path.resolve(currentUserDataDir) === path.resolve(oldDataDir)) return false

  return true
}

/**
 * 解析 Electron 旧数据目录（考虑 storage.json 自定义路径）