/**
 * 全局状态管理
 *
 * 所有模块通过 App 对象共享状态，避免全局变量污染。
 */
export const App = {
  sessionId: null,
  allFiles: [],
  sessionConfig: {},
  invoiceData: [],
  csvFilename: '',
  lastDownloadUrls: {},
  isProcessing: false,
  pendingConfigKey: null,
  fieldsCache: [],
  syncTimer: null,
  fileMessageMap: new Map(),
  processState: 'idle',
  newFilenames: [],
  lastProcessedFileCount: 0,
  forceStart: false,
  agentEventSource: null,
  forceSubmitting: false,
};