Two defects in the same few lines, both from `enterComp` hand-building a media
slot after the deal instead of reaching the shape a comp-first render serves.
A code-led card carrying catalog art shows that art as its face. Flipping to
comp inserted a fresh shimmer slot above the body and left the face alone, so
the card rendered the inspiration full-bleed with the rendering comp stacked
under it: two images of equal weight, which is the one thing the corner
treatment exists to prevent. The flip now converts that slot in place, moving
the art into the `figure.pip` and dropping the face label, and flipping back
restores it, so a round-trip leaves the card as it was dealt.
The slot it built also carried no chips, and the zoom handlers were bound per
element at load, so a comp that streamed in after a flip could not be opened at
all: no expand affordance, and no click handler on the art. The three lightbox
handlers are now delegated, which is what makes any later-built slot work, and
a converted slot keeps the chips it already had. Polling learned to stop on a
slot that stays in the DOM but loses its pending state, which only happens now
that a flip back can restore rather than remove.
The existing toggle test covered a wireframe card, where the schematic is
hidden and a fresh slot inserted; that branch was fine, which is why this went
unseen. The new test drives the art-carrying card and fails on the stacking
assertion without this change.
Written with AI assistance (Claude Code).
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Paul BakausandClaude Opus 5
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