blur_check 0.1.0

Offline image blur and sharpness detection for Flutter using classical image processing. No ML Kit, no network — on-device quality checks for camera and document capture flows.

0.1.0

• Initial release as blur_check (offline blur/sharpness detection for Flutter).
• Classical pipeline: decode, EXIF orientation, resize, grayscale, Variance of Laplacian.
• Metrics: edge density, contrast, mean brightness; warnings tooDark / tooBright / lowTexture.
• Composite normalized score (Laplacian 75% / edge 15% / contrast 10%).
• Optional background isolate for async APIs; benchmark harness included.
• Example Flutter app, fixture regression tests, and CI workflow.