4069491c2f
- Replace placeholder with OpenCV.js WASM perspective correction: pick highest-confidence rectangle, compute homography, fold weighted scale corrections from secondary datums, single warpPerspective - All units now mm throughout (no cm conversion) - Simplified datum creation: two buttons (+ Rectangle / + Line) with preset chips, auto-numbered labels (Line 1, Rectangle 2, etc.) - Dimensions default to 0, user must input manually; Next button disabled until all datums have valid dimensions with tooltip hint - Fix image preview (keep object URL alive), fix canvas disappearing on breakpoint switch (single instance + ResizeObserver re-fit) - Mobile responsive: bottom sheet for datum panel, full-width canvas - Spinner on result screen during processing - Stricter ESLint config, updated Prettier to 4-space/no-semicolons Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>