Add optional network_name and passphrase fields to TCP interface
configuration, enabling Reticulum's Interface Access Code (IFAC)
cryptographic authentication.
Changes:
- Add networkName and passphrase fields to TCPClient data class
- Update InterfaceRepository JSON serialization/deserialization
- Add UI fields in Advanced Options with info text explaining IFAC
- Passphrase field hidden by default with visibility toggle
- Pass IFAC params from Kotlin to Python via JSON bridge
- Generate network_name and passphrase in config file
IFAC allows interfaces with matching network_name and passphrase to
communicate securely by signing and verifying packets using keys
derived from these shared credentials.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
