Added rain, wind and night vehicle lighting

I connected field rain and plant wind to the shared native weather system. The moving rain and per-instance plant response now use the same environmental state instead of disconnected presentation effects.

Night driving also has bounded vehicle lighting: the cabin and rear track lighting stay local to the vehicle, and the dust treatment avoids washing out the dark field. The scene remains dark rather than becoming a floodlit landscape.

“Rain and wind join bounded vehicle lights, lit tracks and reduced deep-night dust.”

The clips show moving native rain in an initialized daylight field, followed by a deliberately paused night inspection of the Jeep’s local lights. These are two controlled environmental states, not an accelerated day-night cycle or an editorial weather overlay.