Add Bluetooth phone pairing and Bonjour Discovery

[dirwin31]

Changes

• Adds Bluetooth device discovery, pairing, connection management, and phone support

• Adds Bonjour/mDNS discovery.

• Adds Bluetooth status and pairing controls to the settings UI.

• Adds pairing flows, live Bluetooth state handling, and frontend integration.

• Adds coverage for Bluetooth behavior, Bonjour discovery, navigation APIs, and UI layout.

• No Params artifacts were generated.

Testing

Branch-focused tests:

• Bluetooth, Bluetooth UI, Bonjour, and frontend module tests: 99 passed
• Navigation/Params API tests, including Bluetooth endpoints: 42 passed
• Personal on device testing.

[dirwin31]

Adds authenticated GATT characteristics for status, commands, responses, and live
telemetry.

Maintains stable GATT handles across restarts.

Improves LE pairing, bonding, encryption, advertising, and reconnection.

Adds a bounded pairing window and companion-device management.

Publishes versioned 10 Hz telemetry with on-demand metadata.

Adds pairing controls and connection status to the Galaxy and on-device interfaces.

Updates Bluetooth connection indicators.

Documents Bluetooth Info API and Live Frame Format.