The #119975 display-name lookup called get_live_catalog_entry() inside
the per-plugin loop of _plugin_rows, paying a full catalog resolution
(load_catalog_live: fetch or cache read + parse of every in-tree catalog
yaml, no memoization) once per installed plugin. plugins.manage list went
from O(1) to O(installed plugins) catalog resolutions, and a dead
catalog host cost one request timeout per plugin — the exact per-candidate
cost resolved_removed_entries() exists to eliminate.
Hoist the resolution next to pins/versions: catalog_titles() builds
{catalog_name: title} in one resolution and _plugin_server_rows reads
from the pre-resolved map, mirroring catalog_pins/catalog_versions.
Regression test counts load_catalog_live calls across a 3-plugin
listing: 3 before, 1 after.
31a68e9235