Apply spectral analysis to multispectral feeds to monitor crop productivity, stress and wildfire fuel load. Use this skill whenever the user mentions ndvi, vegetation health, multispectral, crop stress, agricultural monitoring, fuel load, spectral index, or is working with Sentinel-2, Planet, Rasterio, even if they never say "vegetation health indexing (ndvi)" explicitly. Routes live lookups through the Vegetation-Index-API endpoint. Do not use it for unrelated application feature work or general coding questions.