imagecli's pipeline operation (Carve::apply in src/image_ops.rs) only asserts , never validating that the ratio is positive. A negative ratio (e.g. -5) causes the computed target width to saturate to…

摘要

imagecli's pipeline operation (Carve::apply in src/image_ops.rs) only asserts , never validating that the ratio is positive. A negative ratio (e.g. -5) causes the computed target width to saturate to 0 via Rust's defined float-to-uint cast, which is then passed to imageproc::seam_carving::shrink_width — a function that panics when given a width below 2, crashing the process.

中文摘要建设中，暂以英文摘要呈现（DR-003 v2）。