UAT round 1 feedback:
- Retire the `rows` layout — it barely differed from the table; keep Table + Cards.
- The card now shows the About cell (+ its hover overlay) and the priority stepper
in every layout, not just the table: ChannelLayoutGrid gains named slots
(lead / about / actions) and stops hiding the `hideInCard` columns, since the
roomy desktop card has space the cramped mobile fallback did not.
- Fix the table losing its centering with "Rows per page: All": a long-titled
channel stretched the uncapped Channel column (~289→429px) and overflowed the
centered table. Cap it with a max-w element inside the cell (table-layout:auto
ignores a cell max-width), the same trick AboutCell already uses. Gaps now 163/162.
peter
875c7ad741