From 0c1f459d4e4b92f3d0458e6bd89f6a82d2d70b46 Mon Sep 17 00:00:00 2001
From: miteruzo <miteruzo@naver.com>
Date: Sun, 18 Oct 2026 01:09:31 +0900
Subject: [PATCH] #428

---
 frontend/src/lib/help.ts                    | 12 ++-
 frontend/src/lib/prefetchers.ts             |  4 +
 frontend/src/locales/ain-Kana/common.json   |  2 +-
 frontend/src/locales/ain-Kana/errors.json   | 25 ++++--
 frontend/src/locales/ain-Kana/help.json     | 13 ++--
 frontend/src/locales/ain-Kana/imports.json  | 14 ++--
 frontend/src/locales/ain-Kana/shared.json   | 86 ++++++++++++++-------
 frontend/src/locales/ain-Kana/tags.json     | 22 +++---
 frontend/src/locales/ain-Kana/wiki.json     | 17 ++--
 frontend/src/pages/help/HelpChangesPage.tsx |  1 +
 frontend/src/pages/help/HelpDetailPage.tsx  | 11 +--
 frontend/src/pages/help/HelpDiffPage.tsx    | 14 ++--
 frontend/src/pages/help/HelpListPage.tsx    |  1 +
 13 files changed, 133 insertions(+), 89 deletions(-)

diff --git a/frontend/src/lib/help.ts b/frontend/src/lib/help.ts
index affd2b2..65b0c3a 100644
--- a/frontend/src/lib/help.ts
+++ b/frontend/src/lib/help.ts
@@ -87,10 +87,10 @@ export const getHelpArticle = async (identifier: string): Promise<ArticleMeta |
 export const resolveHelpLanguage = (
     article: ArticleMeta | null | undefined,
     requestedLanguage: string,
-): string =>
+): string | null =>
     article?.languages[requestedLanguage] != null
     ? requestedLanguage
-    : article?.canonicalLanguage ?? 'ja'
+    : null
 
 
 export const getHelpEditions = async (
@@ -155,8 +155,7 @@ export const getHelpSearchEntries = async (
     language: string,
 ): Promise<HelpSearchEntry[]> => {
   const { default: search } = await import ('virtual:help/search')
-  const contentLanguage = search[language] != null ? language : 'ja'
-  return (search[contentLanguage] ?? []).map (entry => ({ ...entry, language: contentLanguage }))
+  return (search[language] ?? []).map (entry => ({ ...entry, language }))
 }
 
 
@@ -175,14 +174,13 @@ export const getHelpEditionContent = async (
 
 export const getHelpChanges = async (language: string): Promise<HelpChange[]> => {
   const { default: changes } = await import ('virtual:help/changes')
-  const contentLanguage = changes[language] != null ? language : 'ja'
-  return (changes[contentLanguage] ?? []).map (entry => ({ ...entry, language: contentLanguage }))
+  return (changes[language] ?? []).map (entry => ({ ...entry, language }))
 }
 
 
 export const getHelpTitleIndex = async (language: string): Promise<HelpTitleIndex> => {
   const { default: titles } = await import ('virtual:help/titles')
-  return titles[language] ?? titles.ja ?? { }
+  return titles[language] ?? { }
 }
 
 
diff --git a/frontend/src/lib/prefetchers.ts b/frontend/src/lib/prefetchers.ts
index fabb319..64827ce 100644
--- a/frontend/src/lib/prefetchers.ts
+++ b/frontend/src/lib/prefetchers.ts
@@ -50,6 +50,8 @@ const prefetchHelpShow: Prefetcher = async (qc, url, locale) => {
       queryFn: () => getHelpArticle (identifier),
       staleTime: Infinity })
   const language = resolveHelpLanguage (article, localeLanguage (locale))
+  if (language == null)
+    return
   const edition = url.searchParams.get ('edition') ?? article?.languages[language]?.currentEdition
   if (edition == null)
     return
@@ -84,6 +86,8 @@ const prefetchHelpDiff: Prefetcher = async (qc, url, locale) => {
       queryFn: () => getHelpArticle (identifier),
       staleTime: Infinity })
   const language = resolveHelpLanguage (article, localeLanguage (locale))
+  if (language == null)
+    return
   await qc.prefetchQuery ({
       queryKey: helpKeys.diff (identifier, language, from, to),
       queryFn: () => getHelpDiff (identifier, language, from, to),
diff --git a/frontend/src/locales/ain-Kana/common.json b/frontend/src/locales/ain-Kana/common.json
index a8a508b..8fdb166 100644
--- a/frontend/src/locales/ain-Kana/common.json
+++ b/frontend/src/locales/ain-Kana/common.json
@@ -10,7 +10,7 @@
 		  "meme": "MEME",
 		  "character": "イノカ",
 		  "general": "ウサ　オルㇱペ",
-		  "material": "チカㇻペ",
+		  "material": "アカㇻペ",
 		  "meta": "タㇰ　オルㇱペ　タㇰ",
 		  "nico": "ニコニコ　タㇰ" },
   "pagination": { "label": "ソㇱ",
diff --git a/frontend/src/locales/ain-Kana/errors.json b/frontend/src/locales/ain-Kana/errors.json
index db3c030..6c27cac 100644
--- a/frontend/src/locales/ain-Kana/errors.json
+++ b/frontend/src/locales/ain-Kana/errors.json
@@ -1,8 +1,17 @@
-{
-  "_untranslated": ["*"],
-  "403": { "message": "権限ないよ（笑）", "right": "帰れ！", "left": "帰れ！" },
-  "404": { "message": "ページないよ（笑）", "right": "帰れ！", "left": "帰れ！" },
-  "500": { "message": "鯖でエラー出たって（嘲笑）", "right": "管理人に", "left": "聯絡を！" },
-  "503": { "message": "鯖死んでるよ（泣）", "right": "管理人に", "left": "聯絡を！" },
-  "imageAlt": "逃げたギター"
-}
+{ "403": {
+      "message": "エエイワンケ　エアイカㇷ゚",
+      "right": "ホㇱピ　ヤン！",
+      "left": "ホㇱピ　ヤン！" },
+  "404": {
+      "message": "タン　ソㇱ　イサㇺ",
+      "right": "ホㇱピ　ヤン！",
+      "left": "ホㇱピ　ヤン！" },
+  "500": {
+      "message": "サーバー　オㇿ　ハイタ　アン",
+      "right": "カンリニン　ウン",
+      "left": "エイェ　ヤン！" },
+  "503": {
+      "message": "サーバー　アㇱカイ　ソモ　キ",
+      "right": "カンリニン　ウン",
+      "left": "エイェ　ヤン！" },
+  "imageAlt": "キタ　イクヨ" }
diff --git a/frontend/src/locales/ain-Kana/help.json b/frontend/src/locales/ain-Kana/help.json
index 7499260..27aebee 100644
--- a/frontend/src/locales/ain-Kana/help.json
+++ b/frontend/src/locales/ain-Kana/help.json
@@ -1,6 +1,7 @@
-{
-  "_untranslated": ["*"],
-  "title": "ヘルプ", "search": "ヘルプ検索", "history": "ヘルプ改定履歴",
-  "effectiveSince": "有効開始年月日", "empty": "該当する記事がありません．",
-  "diffTitle": "ヘルプ 差分: {{title}}", "articleTitle": "{{title}} ヘルプ"
-}
+{ "title": "ヤイカオパㇱ",
+  "search": "ヤイカオパㇱ　イフナラ",
+  "history": "ヤイカオパㇱ　アシㇼ　カㇻ　フㇱコアンペ",
+  "effectiveSince": "アㇱカイ　ヘㇻパ　ト",
+  "empty": "イフナラ　ワ　ネ　ペ　イサㇺ。",
+  "diffTitle": "ヤイカオパㇱ　ウシンナイペ：{{title}}",
+  "articleTitle": "{{title}}　ヤイカオパㇱ" }
diff --git a/frontend/src/locales/ain-Kana/imports.json b/frontend/src/locales/ain-Kana/imports.json
index 9b0cc54..3156ef9 100644
--- a/frontend/src/locales/ain-Kana/imports.json
+++ b/frontend/src/locales/ain-Kana/imports.json
@@ -1,7 +1,7 @@
-{
-  "_untranslated": ["*"],
-  "status": {
-    "ready": "登録可能", "error": "登録不可", "warning": "警告",
-    "skipped": "スキップ", "created": "登録済み", "failed": "登録失敗"
-  }
-}
+{ "status": {
+      "ready": "アオ　エアㇱカイ",
+      "error": "アオ　エアイカㇷ゚",
+      "warning": "イパㇰカㇱヌ",
+      "skipped": "スキップ",
+      "created": "アオ　オケレ",
+      "failed": "アオ　カ　エアイカㇷ゚" } }
diff --git a/frontend/src/locales/ain-Kana/shared.json b/frontend/src/locales/ain-Kana/shared.json
index ea952fc..1528b9a 100644
--- a/frontend/src/locales/ain-Kana/shared.json
+++ b/frontend/src/locales/ain-Kana/shared.json
@@ -1,30 +1,60 @@
-{
-  "_untranslated": ["*"],
-  "labels": {
-    "title": "タイトル", "content": "内容", "body": "本文",
-    "lastUpdated": "最終更新", "thumbnail": "サムネール",
-    "noThumbnail": "サムネイルなし", "thumbnailMissing": "サムネールなし",
-    "parentPosts": "親投稿", "duration": "動画時間", "platform": "プラットフォーム",
-    "code": "コード", "information": "情報", "relations": "関聯",
-    "uploadedBy": "耕作者: ", "uploadedAt": "耕作日時: ", "link": "リンク: ",
-    "originalPostedAt": "オリジナルの投稿日時: ", "originalCreatedAt": "オリジナルの作成日時",
-    "brand": "ぼざクリ タグ広場", "since": "以降", "before": "より前",
-    "tagSearch": "タグ検索...", "hideTags": "▲▲▲ タグ一覧を閉じる ▲▲▲",
-    "showTags": "▼▼▼ タグ一覧を表示 ▼▼▼",
-    "resultsCount": "{{count}} 件", "menu": "メニュー", "anonymous": "名もなきニジラー",
-    "bot": "bot操作", "deprecatedSuffix": "（廃止）", "development": "開発モード"
-  },
+{ "labels": {
+      "title": "レ",
+      "content": "オルㇱペ",
+      "body": "ヌイェㇷ゚",
+      "lastUpdated": "イヨッタ　アシㇼ　アカㇻ　ト",
+      "thumbnail": "ポン　ノカ",
+      "noThumbnail": "ポン　ノカ　イサㇺ",
+      "thumbnailMissing": "ポン　ノカ　イサㇺ",
+      "parentPosts": "オナ　アオ　ペ",
+      "duration": "チモイェノカ　トキ",
+      "platform": "プラットフォーム",
+      "code": "コード",
+      "information": "アスㇽソㇱ",
+      "relations": "ウコテㇷ゚",
+      "uploadedBy": "カㇻ　クㇽ：",
+      "uploadedAt": "アカㇻ　ト：",
+      "link": "ウコテㇷ゚：",
+      "originalPostedAt": "ホㇱキ　アオ　ト：",
+      "originalCreatedAt": "ホㇱキ　アカㇻ　ト：",
+      "brand": "ポチ　チャ　ロㇰ　シクヌㇷ゚　イキㇼ　チセ",
+      "since": "オㇿ　ワノ",
+      "before": "エトコ　ウン",
+      "tagSearch": "タㇰ　イフナラ…",
+      "hideTags": "▲▲▲　タㇰ　ソモ　ヌカㇻ　▲▲▲",
+      "showTags": "▼▼▼　タㇰ　ヌカㇻ　▼▼▼",
+      "resultsCount": "{{count}}　ペ",
+      "menu": "メニュー",
+      "anonymous": "レサㇰ　ユㇰ　ニチカ　ウタㇻ",
+      "bot": "bot　カㇻ",
+      "deprecatedSuffix": "（エイワンケ　ソモ　エアㇱカイ）",
+      "development": "カㇻ　コㇿ　アン　シㇼキ" },
   "actions": {
-    "update": "更新", "edit": "編輯", "add": "追加", "reset": "リセット",
-    "cancel": "取消", "retry": "再試行", "skip": "スキップ", "random": "ランダム",
-    "old": "< 古", "new": "新 >", "oldest": "(最古)", "latest": "(最新)",
-    "diff": "差分", "restore": "復元", "show": "表示"
-  },
+      "update": "アシㇼ　カㇻ",
+      "edit": "イヌイェㇷ゚",
+      "add": "アオ",
+      "reset": "ホㇱキ　シㇼ　ウン　ホㇱピ",
+      "cancel": "ソモ　キ",
+      "retry": "スイ　キ",
+      "skip": "スキップ",
+      "random": "ランダム",
+      "old": "< フㇱコ",
+      "new": "アシㇼ >",
+      "oldest": "（イヨッタ　フㇱコ）",
+      "latest": "（イヨッタ　アシㇼ）",
+      "diff": "ウシンナイペ",
+      "restore": "ホㇱピ",
+      "show": "ヌカㇻ" },
   "messages": {
-    "loading": "読み込み中...", "loadingEllipsis": "読込中……",
-    "updated": "更新しました．", "updateFailed": "更新失敗", "failed": "失敗……",
-    "checkInput": "入力を確認してください．", "checkInputModern": "入力を確認してください。",
-    "checkInputContent": "入力内容を確認してください．", "reviewInput": "入力を見直してください．",
-    "postSuccess": "投稿成功!", "postFailed": "投稿失敗", "resetChanges": "変更をリセットしますか?"
-  }
-}
+      "loading": "アウㇰ　コㇿ　アン…",
+      "loadingEllipsis": "アウㇰ　コㇿ　アン……",
+      "updated": "アシㇼ　アカㇻ！",
+      "updateFailed": "アシㇼ　カㇻ　カ　エアイカㇷ゚",
+      "failed": "エアイカㇷ゚……",
+      "checkInput": "エヌイェㇷ゚　エヌカㇻ　ヤン！",
+      "checkInputModern": "エヌイェㇷ゚　エヌカㇻ　ヤン。",
+      "checkInputContent": "エヌイェ　オルㇱペ　エヌカㇻ　ヤン！",
+      "reviewInput": "エヌイェㇷ゚　スイ　エヌカㇻ　ヤン！",
+      "postSuccess": "アオ　オケレ！",
+      "postFailed": "アオ　カ　エアイカㇷ゚",
+      "resetChanges": "エヌイェㇷ゚　ホㇱキ　シㇼ　ウン　ホㇱピ　ヤ？" } }
diff --git a/frontend/src/locales/ain-Kana/tags.json b/frontend/src/locales/ain-Kana/tags.json
index 057f788..5d9b774 100644
--- a/frontend/src/locales/ain-Kana/tags.json
+++ b/frontend/src/locales/ain-Kana/tags.json
@@ -1,13 +1,11 @@
-{ "_untranslated": ["name", "postCount", "firstRecordedAt", "definitionUpdatedAt", "aliases",
-		    "parents", "firstRecordedColumn", "updatedAt", "empty"],
-  "title": "タㇰ",
-  "name": "名前",
-  "postCount": "広場の投稿数",
-  "firstRecordedAt": "はじめて記載された日時",
-  "definitionUpdatedAt": "定義の更新日時",
-  "aliases": "別名",
-  "parents": "上位タグ",
-  "firstRecordedColumn": "最初の記載日時",
-  "updatedAt": "更新日時",
+{ "title": "タㇰ",
+  "name": "レ",
+  "postCount": "ミンタㇻ　アオ　ペ　チピㇱキㇷ゚",
+  "firstRecordedAt": "ホㇱキ　アヌイェ　ト　ヘㇺ　トキ",
+  "definitionUpdatedAt": "イタㇰ　アシㇼ　アカㇻ　ト　ヘㇺ　トキ",
+  "aliases": "モㇱマ　レ",
+  "parents": "サパ　タㇰ",
+  "firstRecordedColumn": "ホㇱキ　アヌイェ　ト",
+  "updatedAt": "アシㇼ　アカㇻ　ト",
   "history": "フㇱコアンペ",
-  "empty": "結果ないよ（笑）" }
+  "empty": "イフナラ　ワ　ネ　ペ　イサㇺ" }
diff --git a/frontend/src/locales/ain-Kana/wiki.json b/frontend/src/locales/ain-Kana/wiki.json
index 1a3798c..7dc86ab 100644
--- a/frontend/src/locales/ain-Kana/wiki.json
+++ b/frontend/src/locales/ain-Kana/wiki.json
@@ -1,9 +1,8 @@
-{
-  "_untranslated": ["*"],
-  "newPage": "新規 Wiki ページ",
-  "editPage": "Wiki ページを編輯",
-  "history": "Wiki 変更履歴",
-  "historyHeading": "Wiki 履歴", "change": "変更", "dateTime": "日時",
-  "diffTitle": "Wiki 差分: {{title}}",
-  "missingPage": "このページは存在しません。[新規作成してください]({{url}})。"
-}
+{ "newPage": "アシㇼ　ウィキ　ソㇱ",
+  "editPage": "ウィキ　ソㇱ　イヌイェㇷ゚",
+  "history": "ウィキ　アシㇼ　カㇻ　フㇱコアンペ",
+  "historyHeading": "ウィキ　フㇱコアンペ",
+  "change": "アシㇼ　カㇻ",
+  "dateTime": "ト　ヘㇺ　トキ",
+  "diffTitle": "ウィキ　ウシンナイペ：{{title}}",
+  "missingPage": "タン　ソㇱ　イサㇺ。[アシㇼ　カㇻ　ヤン]({{url}})。" }
diff --git a/frontend/src/pages/help/HelpChangesPage.tsx b/frontend/src/pages/help/HelpChangesPage.tsx
index c06748f..df6092c 100644
--- a/frontend/src/pages/help/HelpChangesPage.tsx
+++ b/frontend/src/pages/help/HelpChangesPage.tsx
@@ -34,6 +34,7 @@ const HelpChangesPage: FC = () => {
   const { data: changes = [], isLoading, error } = useQuery ({
       queryKey: helpKeys.changes (language),
       queryFn: () => getHelpChanges (language),
+      select: entries => entries.filter (entry => entry.language === language),
       staleTime: Infinity })
 
   const results = useMemo (() => identifier
diff --git a/frontend/src/pages/help/HelpDetailPage.tsx b/frontend/src/pages/help/HelpDetailPage.tsx
index 256c1e9..038ae44 100644
--- a/frontend/src/pages/help/HelpDetailPage.tsx
+++ b/frontend/src/pages/help/HelpDetailPage.tsx
@@ -31,12 +31,13 @@ const HelpDetailPage: FC = () => {
       queryFn: () => getHelpArticle (identifier),
       staleTime: Infinity })
 
-  const language = resolveHelpLanguage (article, localeLanguage (locale))
+  const requestedLanguage = localeLanguage (locale)
+  const language = resolveHelpLanguage (article, requestedLanguage)
 
   const query = new URLSearchParams (location.search)
   const requestedEdition = query.get ('edition')
 
-  const languageMeta = article?.languages[language]
+  const languageMeta = language == null ? null : article?.languages[language]
 
   const edition = requestedEdition ?? languageMeta?.currentEdition
   const editionInfo = parseHelpEdition (edition ?? '')
@@ -53,8 +54,8 @@ const HelpDetailPage: FC = () => {
 
   const { data: current, isSuccess, isError } = useQuery ({
       enabled: edition != null && editionInfo != null && editions.includes (edition),
-      queryKey: helpKeys.edition (identifier, language, edition ?? ''),
-      queryFn: () => getHelpEditionContent (identifier, language, edition ?? ''),
+      queryKey: helpKeys.edition (identifier, requestedLanguage, edition ?? ''),
+      queryFn: () => getHelpEditionContent (identifier, requestedLanguage, edition ?? ''),
       staleTime: Infinity })
 
   if (!articleLoading
@@ -103,7 +104,7 @@ const HelpDetailPage: FC = () => {
 	       : label ('shared:actions.latest')}
 	    </div>)}
 
-	<article lang={language} className="prose dark:prose-invert mx-auto p-4">
+	<article lang={requestedLanguage} className="prose dark:prose-invert mx-auto p-4">
 	  {Content ? <Content/> : <div>{label ('common:loading')}</div>}
 	</article>
       </MainArea>)
diff --git a/frontend/src/pages/help/HelpDiffPage.tsx b/frontend/src/pages/help/HelpDiffPage.tsx
index 09ca2b5..d41f2fe 100644
--- a/frontend/src/pages/help/HelpDiffPage.tsx
+++ b/frontend/src/pages/help/HelpDiffPage.tsx
@@ -30,17 +30,19 @@ const HelpDiffPage: FC = () => {
       queryKey: helpKeys.article (identifier),
       queryFn: () => getHelpArticle (identifier),
       staleTime: Infinity })
-  const language = resolveHelpLanguage (article, localeLanguage (locale))
+  const requestedLanguage = localeLanguage (locale)
+  const language = resolveHelpLanguage (article, requestedLanguage)
   const validParams = Boolean (identifier && from && to)
       && searchParams.getAll ('from').length === 1
       && searchParams.getAll ('to').length === 1
   const { data: diff, isLoading, isError } = useQuery ({
-      enabled: validParams && article != null,
-      queryKey: helpKeys.diff (identifier, language, from, to),
-      queryFn: () => getHelpDiff (identifier, language, from, to),
+      enabled: validParams && language != null,
+      queryKey: helpKeys.diff (identifier, requestedLanguage, from, to),
+      queryFn: () => getHelpDiff (identifier, requestedLanguage, from, to),
       staleTime: Infinity })
 
-  if (!(validParams) || isError || (!(isLoading) && diff == null))
+  if (!(validParams) || (article != null && language == null)
+      || isError || (!(isLoading) && diff == null))
     return <NotFound/>
 
   const title = `${ diff?.to.title ?? identifier } (${ from } → ${ to })`
@@ -65,7 +67,7 @@ const HelpDiffPage: FC = () => {
 		  {diff.to.title} ({to})
 		</PrefetchLink>
 	      </div>
-	      <pre lang={language} className="mt-4 overflow-x-auto whitespace-pre">
+	      <pre lang={requestedLanguage} className="mt-4 overflow-x-auto whitespace-pre">
 		<code>
 		  {diff.lines.map ((line, index) => {
 		    const colour = cn (
diff --git a/frontend/src/pages/help/HelpListPage.tsx b/frontend/src/pages/help/HelpListPage.tsx
index 48a5a1c..52360e4 100644
--- a/frontend/src/pages/help/HelpListPage.tsx
+++ b/frontend/src/pages/help/HelpListPage.tsx
@@ -56,6 +56,7 @@ const HelpSearchPage: FC = () => {
   const { data: entries = [], isLoading: loading, error } = useQuery ({
       queryKey: helpKeys.index (language),
       queryFn: () => getHelpSearchEntries (language),
+      select: entries => entries.filter (entry => entry.language === language),
       staleTime: Infinity })
 
   useEffect (() => {