[Logitech G600]: not detected

### Pre-flight checklist

- [x] I quit **Logi Options+** before testing.
- [x] I searched existing issues for my device.

### Device model

Logitech G600

### Connection

Wired (USB cable)

### What's the problem?

Device is not detected at all

### `openlogi list` output

```text
(inventory read from the running agent)
G513 RGB MECHANICAL GAMING KEYBOARD (—, vid=046d pid=c33c)
└─ slot 255 ● G513 RGB MECHANICAL GAMING KEYBOARD (keyboard, wpid=?, battery=—)
model_ids=[c33c,0000,0000] ext=05 serial=— unit_id=30304718 transports=usb

Cameras (1 Logitech UVC)
└─ ● HD Pro Webcam C920 (camera, vid=046d pid=082d, id=\\?\usb#vid_046d&pid_082d&mi_00#9&1f3ce9af&0&0000#{65e8773d-8f56-11d0-a3b9-00a0c9223196}\global)
```

### `openlogi diag features` output

```text

```

### Details

Logitech G600 mouse not detected by OpenLogi. It is an old mouse, which was originally supported by the Logitech Gaming Software (LGS), but it is currently supported in G HUB as well.

Reproduce the report with the wired Logitech G600 connected, then run `openlogi list` and `openlogi diag features` as shown in the issue. Trace the device-discovery and HID support path for this model; done means the G600 appears in `openlogi list` and its features are reported.

Written by the indexing model from the issue text.