ui.rs gets a Japanese table with the same 396 rows as the Simplified and
Traditional Chinese ones, so Japanese now translates the interface below
the menu bar too (it covered the menus only). The shape test keeps the
three tables listing the same source strings; a new test checks that
Japanese reads its own rows and fills values in order. The existing
"no rows yet" check uses Ukrainian instead.
ROADMAP.md and docs/preferences.md say which catalogs have panel rows.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
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