概览
把合約原件、發票、收款憑證和操作日志绑定到合約、付款和管理动作上。步骤
- 適用場景 the evidence gallery for invoice and receipt proof.
- 適用場景 the operations log for administrative and sensitive actions.
- Files remain subject to scan policy before download.
- Audit data is read-only from public APIs.