fix(translations): correct mistranslated and untranslated strings in ja locale

[meikocho1]

What?

Corrects 17 strings in the Japanese (ja) locale — six that were never translated and eleven that were mistranslated. Translation strings only; no keys added or removed, so no other locale and no code is affected.

Left in English

Key	Before	After	Other locales
general.field	Field	フィールド	zh: '字段', de: 'Feld'
general.noLabel	<No {{label}}>	<{{label}}なし>	ko: '<{{label}} 없음>', de: '<Kein {{label}}>'
general.notFound	Not Found	見つかりません	zh: '未找到'
general.nothingFound	Nothing found	該当する項目がありません	de: 'Keine Ergebnisse', ko: '찾을 수 없습니다'
general.untitled	Untitled	無題	zh: '无标题', de: 'Ohne Titel'
hierarchy.noResults	No results for "{{query}}"	「{{query}}」に一致する結果がありません	—

Mistranslated

Key	Before	After	Why it was wrong
authentication.resetPasswordExpiration	パスワードの有効期限をリセット	パスワードリセットの有効期限	Read as the imperative "reset the password expiry". It is the auth field holding the expiry of the reset token (packages/payload/src/auth/baseFields/auth.ts).
authentication.resetPasswordToken	パスワードのトークンをリセット	パスワードリセット用トークン	Same misparse — a field name, not a command.
fields.relatedDocument	リレーションデータ	関連ドキュメント	"Relation data", not "related document". Every other locale says related document (ko: '관련 문서', de: 'Verknüpftes Dokument').
general.checked	確認済み	チェックあり	確認済み means "verified/confirmed", not "ticked". Rendered opposite unchecked in the version diff view (ui/src/views/Version/RenderFieldsToDiff/fields/Checkbox), where the two did not read as a pair.
general.unchecked	未選択	チェックなし	"Not selected" — see above.
general.editedSince	から編集	最終編集:	Rendered as {label} <strong>{date}</strong> in ui/src/elements/DocumentLocked, producing "から編集 2026/08/18" — a dangling particle with nothing before it. Japanese needs the label to precede the date.
general.updateForEveryone	皆様への更新情報	全員に反映	"Update news for everyone" — a noun phrase. It labels the save button for a shared query preset (ui/src/elements/QueryPresets/QueryPresetBar), so it must be an action.
general.where	どこ	条件	The interrogative "where?" (a place). It is the join label in ui/src/elements/WhereBuilder/Condition, i.e. the query clause.
general.documentIsTrashed	この{{label}}は廃棄され…	この{{label}}はゴミ箱に移動されており…	廃棄 ("discarded") contradicts the rest of the file, which consistently renders trash as ゴミ箱 (trash, emptyTrash, titleTrashed, noTrashResults).
localization.localeToPublish	公開する場所	公開するロケール	場所 means a physical place. The file uses ロケール everywhere else (locale, locales, allLocales).
localization.selectLocaleToDuplicate	重複するロケールを選択してください	複製するロケールを選択してください	重複 means "overlapping/redundant", not "duplicate (copy)". Used in ui/src/elements/DuplicateDocument/SelectLocalesDrawer to pick which locales to copy.

Why?

These are the remaining correctness problems in the Japanese locale that are independent of style or tone. Each one either shows English in an otherwise translated admin panel, or states something different from the English source — most visibly general.where, which labelled the query builder's clause row with the interrogative "どこ" (where is it?), and general.checked / general.unchecked, which did not read as opposites in the version diff.

How?

Edited the values in packages/translations/src/languages/ja.ts. Every string was checked against its actual call site in packages/ui and against the other locales, rather than translating the English label in isolation.

Two known problems were deliberately left out of this PR:

• general.by — rendered as `${t('general:by')} ${collection}` in ui/src/elements/DefaultListViewTabs. Japanese needs this particle after the noun (投稿別), so it cannot be fixed by the string alone and would require a code change.
• general.true / general.false — still the literal true / false where other locales localise them (ko: '참'/'거짓', zh: '是'/'否'). Comprehensible as-is, so this is a preference rather than a defect.