- Added new SimFeaturesUpdateRequest interface to handle optional SIM feature updates.
- Implemented updateSimFeatures method in SimManagementService to process feature updates including voicemail, call waiting, international roaming, and network type.
- Expanded SubscriptionsController with a new endpoint for updating SIM features.
- Introduced SimFeatureToggles component for managing service options in the UI.
- Enhanced DataUsageChart and SimDetailsCard components to support embedded rendering and improved styling.
- Updated layout and design for better user experience in the SIM management section.
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