The provider had a "smart" rule in syncSelectionFromDom that kept the
atomic-block highlight (and therefore the Inspector's panel) sticky
while the caret moved to a different block AS LONG AS that next
block was inside the same TOP-LEVEL wrapper (the rationale: editing
the trailing paragraph after an image-in-column shouldn't kick the
user out of the image inspector).
In practice users got the opposite of what they expected: they clicked
on something new, the inspector didn't follow. They thought the
editor was broken.
Drop the smart rule. Every real selection change now also clears the
atomic-block highlight — the inspector follows the caret, period. If
the user wants the atomic's panel back they click the figure again
(which `handleAtomicClick` re-selects).
We still skip the clear when `sameWordsSelection` reports no-op so
the synthetic selectionchange echo that fires right after
`selectAtomicBlock` (which doesn't move the DOM caret) can't wipe
the highlight a tick after being set.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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