{"name":"发票管理系统 API","version":"1.0.0","status":"running","endpoints":{"health":"GET /health","companies":{"list":"GET /api/companies","create":"POST /api/companies","update":"PUT /api/companies/:id","delete":"DELETE /api/companies/:id"},"invoices":{"scan":"POST /api/invoices/scan","list":"GET /api/invoices","detail":"GET /api/invoices/:id","delete":"DELETE /api/invoices/:id"}}}