Plan step 32. The chip set's scroll buttons (plan step 24) moved
`x-data="materialChipSet"` from the row to a wrapper around the row and
its buttons, so `[data-chip-set][x-data]` found the first wrapping set on
the page, which never overflows.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Qwx5USif3wFFmxtHg5U1g9