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hyperframes/packages
Vance IngallsandClaude Sonnet 4.6 1a23938bef feat(core): implement createPreviewAdapter (R7, Task 3) (#1291)
* test(core): data-hf-id survives id/selector patch (R1, T7)

Locks the preservation guarantee the write-back design depends on: a
Studio edit targeting by id or selector (it never sends hfId) must not strip
an existing data-hf-id, or the stable handle is destroyed by the next edit.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* fix(core): escape hfId in selector + warn on duplicate match (R1, T7 review)

Addresses review on #1272 (Miguel P3 + Rames): findTargetElement interpolated
target.hfId raw into a [data-hf-id="..."] selector. Escape it (CSS attr-value
injection guard) and warn when a hfId matches more than one element instead of
silently patching an arbitrary one. Adds an injection-guard test.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* feat(core): implement createPreviewAdapter — greens 20 T10 tests (R7, Task 3)

elementAtPoint: resolvePoint callback → walk ancestors for data-hf-id,
skip data-hf-root without data-hf-id (stage root), skip opacity-0 elements.

applyDraft: find element by hfId, record originalTranslate, set
--hf-studio-offset-x/y (move) or --hf-studio-width/height (resize),
mark data-hf-studio-manual-edit-gesture.

revertDraft: remove draft CSS props, clear gesture marker, restore
originalTranslate if one was recorded.

commitPreview: extract patch (move→moveElement, resize→resize with w/h
renamed to width/height), clear gesture marker, return patch or null.

getElementTimings: scan [data-hf-id] elements, parse data-start/data-end
as floats, return map with undefined fields for absent attributes.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* fix(core): remove explicit data-hf-id from htmlParser tests so ensureHfIds mints hf- ids

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

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Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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