* Bump version to 0.2.1 and add saturation/spatial weight parameters
Add saturation_factor and spatial_weight as configurable parameters
exposed through both the Rust core and Python bindings. Bump version
to 0.2.1 in both crates.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
* Fix compiler warnings across both crates
Remove unused imports (Context, HashSet, E, Args, DynamicImage, named_palette),
dead code (Coords struct, add_pixel/clear_pixels methods), unnecessary mut, and
update deprecated pyo3 APIs to Bound variants.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
---------
Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>