0xbyt4 3ec8809b78 fix(vision): preserve aspect ratio during auto-resize ...

Independent halving of width and height caused aspect ratio distortion
for extreme dimensions (e.g. 8000x200 panoramas). When one axis hit the
64px floor, the other kept shrinking — collapsing the ratio toward 1:1.

Use proportional scaling instead: when either dimension hits the floor,
derive the effective scale factor and apply it to both axes.

Add tests for extreme panorama (8000x200) and tall narrow (200x6000)
images to verify aspect ratio preservation.

2026-04-11 11:53:04 -07:00

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