# Configuration

## LiveKit

```yaml
livekit_url: "wss://your-livekit-server.com"
livekit_auth_token: "eyJ..."  # JWT token (see generate_token.py)
livekit_room: "robot-room"
livekit_identity: "asimov-robot"  # Optional, auto-generated from hostname
livekit_name: "Asimov Robot"      # Optional, auto-generated from hostname
```

| Field | Required | Description |
|-------|----------|-------------|
| `livekit_url` | Yes | LiveKit server WebSocket URL |
| `livekit_auth_token` | Yes | Pre-generated JWT token |
| `livekit_room` | Yes | Room name to join |
| `livekit_identity` | No | Participant ID (default: `asimov-{hostname}`) |
| `livekit_name` | No | Display name (default: `Asimov {hostname}`) |

## Cameras

```yaml
camera_count: 1  # Number of cameras (1-3)

camera_0_device: "/dev/video0"
camera_0_name: "head"
camera_0_width: 1920
camera_0_height: 1200
camera_0_fps: 50
```

| Field | Description |
|-------|-------------|
| `camera_count` | Number of cameras to use (max 3) |
| `camera_N_device` | V4L2 device path |
| `camera_N_name` | Track name in LiveKit |
| `camera_N_width` | Capture width |
| `camera_N_height` | Capture height |
| `camera_N_fps` | Capture frame rate |

Arducam AR0234 supported resolutions:

| Resolution | FPS (USB 3.0) |
|------------|---------------|
| 1920x1200 | 50 |
| 960x600 | 80 |

## Audio

```yaml
mic_device: "hw:0,0"
speaker_device: "plughw:0,0"
```

Use `arecord -l` and `aplay -l` to find device names.

## Process Loop

```yaml
process_interval_us: 10000  # 100 Hz main loop
```

## Telemetry

```yaml
prometheus_port: 8080
```

Prometheus metrics available at `http://localhost:8080/metrics`.