- Added `DetailModal` for viewing detailed information of outsourcing purchase orders, including master, process, and material details.
- Created `RegistrationModal` for registering and editing outsourcing purchase orders with a tabbed interface for source selection and item mapping.
- Introduced `ReleaseRequestModal` for handling material release requests, grouping by subcontractor and allowing batch processing.
- Updated the main page to integrate these modals and provide a comprehensive management interface for outsourcing purchase orders.
(TASK:ERP-019)
