feat(stamp): new Image Stamp tool - #57
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Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Composite a rubber-stamp status mark (CONFIDENTIAL, PAID, DRAFT, …) onto an image. Ten presets (fill text + default color), free text, font family (Sans/Serif/Mono/Condensed), Bold/Italic, color, optional bordered box, 5 placements (center-diagonal + 4 corners), Scale and Opacity sliders. Pure, tested logic in stamp.lib.ts (fontStackFor, stampFontScale, STAMP_PRESETS, stampGeometry); canvas draw in stampImage reuses keepFormat/encodeCanvas from canvas.lib. Thin island + registry entry. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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New Image Stamp tool (
/tools/image-stamp) — composite a rubber-stamp status mark onto an image.Pure tested logic (
stamp.lib.ts: fontStackFor, stampFontScale, STAMP_PRESETS, stampGeometry). Canvas draw reuses keepFormat/encodeCanvas.Spec:
docs/superpowers/specs/2026-07-31-image-stamp-design.md491 tests pass · lint 0 errors · build green (
/tools/image-stampbuilt).🤖 Generated with Claude Code