* Add complete Italian UI localization
Translate all 1509 English catalog entries originally, register Italiano, guard complete coverage and exercise Italian labels and UI rendering.
Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
* i18n: Italian is a partial catalog
it.json lacks 19 messages main has gained since this branch began, so as a
complete catalog it would fail every_complete_catalog_carries_every_english_message.
Like the other community languages, Italian is now partial: its gaps fall
back to English and new labels don't require an Italian string. The docs
line goes back to main's wording, with Italian among the partial catalogs.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LGeCa5jWWdroMWvXxN3LLM
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Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
Co-authored-by: Ben Herbruck <bherbruck@herbrucks.com>
Co-authored-by: bherbruck <brennen.herbruck@gmail.com>
Co-authored-by: jyviko <2501648+jyviko@users.noreply.github.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
