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Vance Ingalls
91ddf9e196
Adds attachSync(comp) to PreviewAdapter/IframePreviewAdapter — does an
immediate full sync via the existing applyOverrideSet, then subscribes to
comp.on('patch', ...) and replays every future patch (forward or inverse —
undo/redo included) via the existing applyPatchesToDocument, pointed at the
iframe's live document instead of the offscreen linkedom one. No new
mutation logic; both functions already work against any
{document, wrapped, stamped}-shaped object.
Also adds a no-op attachSync stub to HeadlessPreviewAdapter, required to
keep it satisfying the widened PreviewAdapter interface.
Closes the gap that made pacific's canvas-react hand-roll its own
override-application code (applyOverrideToIframe.ts) with two separate
mechanisms (diffing for normal edits, verbatim op-replay for undo/redo) —
subscribing to the patch stream directly needs only one.