Description

The Trezor dev dashboard gives native developers a place to test and troubleshoot Trezor hardware flows before user-facing Trezor features ship.

This PR:

1. Adds USB and Bluetooth Trezor transport support.
2. Adds the dev-only Trezor dashboard at Settings -> Advanced -> Dev Settings -> Trezor.
3. Adds optional official Trezor Bridge transport behind TREZOR_BRIDGE=true, so the dashboard can be tested through the official Trezor User Env emulator without a physical device.

Preview

QA Notes

Latest bitkit-core bindings with Trezor hardware support: https://github.com/synonymdev/bitkit-core/releases/tag/v0.1.58

Official emulator setup:

1. Clone the official Trezor User Env: git clone https://github.com/trezor/trezor-user-env ~/repos/github/trezor-user-env.
2. Start it from that folder with ./run.sh --no-regtest.
3. If the Apple Silicon container cannot load SDL3, install the missing runtime packages once with docker exec trezor-user-env.mac sh -lc 'apt-get update && apt-get install -y libsdl3-0 libsdl3-image0'.
4. Start Bridge and a deterministic T2T1 emulator through the User Env controller:

python3 - <<'PY'
import asyncio, json, websockets

async def send(payload):
    async with websockets.connect('ws://localhost:9001') as ws:
        await ws.recv()
        await ws.send(json.dumps(payload))
        print(await ws.recv())

async def main():
    await send({'type': 'bridge-start', 'version': 'node-bridge', 'id': 1})
    await send({'type': 'emulator-start', 'model': 'T2T1', 'version': '2-main', 'wipe': True, 'id': 2})
    await send({
        'type': 'emulator-setup',
        'mnemonic': 'all all all all all all all all all all all all',
        'pin': '',
        'passphrase_protection': False,
        'label': 'Bitkit Test Trezor',
        'needs_backup': False,
        'id': 3,
    })
    await send({'type': 'background-check', 'id': 4})

asyncio.run(main())
PY

Android emulator install:

• TREZOR_BRIDGE=true TREZOR_BRIDGE_URL=http://10.0.2.2:21325 ./gradlew installDevDebug

Physical phone install:

• adb reverse tcp:21325 tcp:21325
• TREZOR_BRIDGE=true TREZOR_BRIDGE_URL=http://127.0.0.1:21325 ./gradlew installDevDebug

Validation done:

• Official Trezor User Env cloned at ~/repos/github/trezor-user-env and started with ./run.sh --no-regtest.
• Host Python websockets installed for controller commands.
• User Env controller ping passed.
• bridge-start with node-bridge passed.
• T2T1 2-main emulator starts after installing libsdl3-0 and libsdl3-image0 in the container.
• emulator-setup passed with the deterministic all all ... seed and label Bitkit Test Trezor.
• curl -X POST http://localhost:21325/enumerate returns the official Bridge device: path=1, id=127.0.0.1:21324, apiType=usb.
• adb reverse tcp:21325 tcp:21325 passed on the Pixel 10 Pro test phone.
• Bridge-enabled dev APK built and installed on the Pixel 10 Pro from commit 280c4e7.
• ./gradlew compileDevDebugKotlin testDevDebugUnitTest detekt --rerun-tasks passed.

Manual dashboard tap-through checklist:

• Scan shows Trezor Bridge Emulator / Bridge device.
• Connect succeeds and shows Trezor features.
• Get address succeeds.
• Get public key succeeds.
• Sign and verify message succeed.
• Send/compose path handles the expected no-funds result: xpub lookup returns NATIVE_SEGWIT, 0 sats, 0 UTXOs, and no send form is shown for the unfunded emulator account.
• Disconnect, reconnect, and forget-device flows clean up state.