- Add option 2 to main menu: "Update IOM / Fabric Card Firmware"
- Add firmware_update_workflow() connecting to IOMs via network IP
- Add _redfish_upload_firmware() for multipart/form-data firmware upload
- Add _redfish_trigger_update() for Redfish SimpleUpdate action
- Add _redfish_poll_tasks() to monitor TaskService until completion
- Add _redfish_restart_iom() and _redfish_reset_fabric() for graceful restarts
- Add _get_iom_fw_version() and _get_fabric_fw_version() for validation
- Add host param to _redfish_request() (default 127.0.0.1, backward-compatible)
- Implements §12 of ES24N Product Service Guide v.26011
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
