Pagos

Los endpoints de pago listan cobros, registran recibos, actualizan conciliación y adjuntan evidencias.

Endpoint	Cuerpo/parámetros	Permiso
`GET /payments`	`tab, page, pageSize, contractId, subjectId, includeDeleted`	`payment_entry view`
`GET /payments/stats`	`subject scope`	`payment_entry view`
`PATCH /payments/:paymentId/receipt`	`receivedAmount, receivedDate, method, proof, reconciliation fields`	`payment_entry edit`
`PATCH /payments/:paymentId/invoice`	`invoiceAmount, invoiceDate, invoiceNo, invoiceAttachment`	`invoice edit`