- Add IP address DTO, handler, service, and repository layers in Go backend
- Implement IP address bulk delete endpoint at /ip-addresses/bulk-delete/
- Add IP address export endpoint with optional IP filtering by target
- Simplify IP address hosts column display using ExpandableCell component
- Update IP address export to support filtering selected IPs for download
- Add error handling and toast notifications for export operations
- Internationalize IP address column labels and tooltips in Chinese
- Update IP address service to support filtered exports with comma-separated IPs
- Add host-port mapping seeding for test data generation
- Refactor scope filter and repository queries to support IP address operations
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