jack 506c2bc7cb Implement message retention, retry mechanism, and app updates ...

- Add KeychainManager for secure password storage
- Implement MessageRetentionService for encrypted local storage of favorite room messages
- Add MessageRetryService for automatic retry of failed messages
- Add /favorite command to toggle room retention
- Add /discover command to find active rooms
- Fix all force unwrapped optionals in BluetoothMeshService
- Update app info screen with new features
- Integrate all services with proper cleanup on panic

2025-07-05 19:35:37 +02:00

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ChatViewModel.swift

Implement message retention, retry mechanism, and app updates

2025-07-05 19:35:37 +02:00