Add full buffer support to the backends so that you can set led colours based on state:
| Colour |
Detected |
Position found |
State |
| 🟢 |
Yes |
Yes |
LED Good |
| 🔵 |
No |
Yes |
LED interpolated |
| 🟠 |
Yes |
No |
LED detected but can't localise |
| 🔴 |
No |
No |
LED not detected or localised |
Based on feedback here
Blocking falcon mode here
