feat(annotator): cross-device navigation — trackpad pan, pinch zoom, hand tool, touch gestures - #578

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JArmandoAnaya merged 7 commits into

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feat/annotator-navigation

Aug 14, 2026

Commits on Aug 13, 2026

feat(annotator): the wheel pans, the modifier zooms, and the hand is a mode
JArmandoAnaya
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858147b
feat(ui): the hand joins the tool strip, and the help sheet documents the gestures
JArmandoAnaya
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f6abeea
docs: the navigation model, in DESIGN.md and docs/annotations.md
JArmandoAnaya
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32aac7b
test(annotator): the pinch invariant asserts against a midpoint it computed
JArmandoAnaya
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cf53469
test: the browser contract for the new gestures, and two findings from breaking it
JArmandoAnaya
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d85718a
fix(annotator): the midpoint helper takes a pair, not the literal it was inferred from
JArmandoAnaya
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70e497b
test(e2e): the read-only strip assertions the first pass missed
JArmandoAnaya
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ee78c30