随着越来越多的企业使用QuickBooks进行财务管理，用户对与其他系统的集成需求也在不断增加。许多用户希望能够将QuickBooks与他们的其他业务系统无缝连接，以便更高效地管理财务数据。我们建议开发一款QuickBooks在线会计集成工具，用户可以通过简单的设置，将QuickBooks与其他系统连接，实现数据的自动同步和管理。这将大大提升用户的财务工作效率，减少手动操作带来的错误。
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[BE-42] QuickBooks Online accounting integration ## Overview An alternative to Xero (BE-41) for hubs whose accountants use QuickBooks Online — North America and South Africa are common markets where QBO dominates. Provides the same auto-sync for invoices and payments. ## Context - Same architecture pattern as BE-41 (Xero) — OAuth 2.0, token storage, cron sync - Package: `node-quickbooks` or `quickbooks-js` npm package - `InvoicesModule` and `PaymentsModule` as data sources ## Tasks - [ ] Create `QuickBooksConnection` entity: `id`, `accessToken` (encrypted), `refreshToken` (encrypted), `realmId` (QuickBooks company ID), `connectedAt`, `expiresAt` - [ ] `GET /integrations/quickbooks/connect` — initiate QuickBooks OAuth 2.0 flow (admin only) - [ ] `GET /integrations/quickbooks/callback` — e
intent: QuickBooks Online accounting integration