Consume the card:'search' result view (matches grouped by file for grep, a
path list for glob) the search backend PR added. SearchBlock (ui-primitives)
draws both kinds via the kind discriminant with a per-file collapse, a
truncation pill, a height cap matching TerminalBlock, and a copy control;
search-card-model is the single resultView derivation; a keyed SearchRow
registers under grep and glob with the card resident under its summary. The
generic fallback and the details panel are search-aware. Fixture gains grep and
glob turns for the built-boot snapshot.
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