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Add i18n support, language toggle UI, and translate Settings dialog (#334)

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* i18n support added

* fix: align i18n implementation with Next.js 16 guide

- Rename middleware.ts to proxy.ts (Next.js 16 convention)
- Fix params type to Promise<{lang: string}> for layout/metadata
- Add 'server-only' directive and dynamic imports to dictionaries.ts
- Add hasLocale type guard and notFound() for invalid locales
- Wrap LanguageToggle in Suspense for useSearchParams
- Fix dictionary key mismatch (learnmore -> learnMore)
- Improve Chinese translations per Gemini review:
  - loading ellipsis, new -> 新建, styledMode -> 精致
  - goodResponse/badResponse -> 有帮助/无帮助
  - closeProtection -> 关闭确认, fileExceeds phrasing
- Improve Japanese translations per Gemini review:
  - closeProtection -> ページ離脱確認
  - invalidAccessCode phrasing, appendDiagram -> に追加
  - styledMode -> スタイル付き

---------

Co-authored-by: dayuan.jiang <jdy.toh@gmail.com>
This commit is contained in:
Biki Kalita
2025-12-20 20:18:54 +05:30
committed by GitHub
parent f087b54ee4
commit 378bef435e
26 changed files with 1235 additions and 307 deletions
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{
"common": {
"save": "Save",
"cancel": "Cancel",
"close": "Close",
"confirm": "Confirm",
"clear": "Clear",
"edit": "Edit",
"delete": "Delete",
"loading": "Loading..",
"new": "NEW"
},
"nav": {
"about": "About",
"editor": "Editor",
"newChat": "Start fresh chat",
"settings": "Settings",
"hidePanel": "Hide chat panel (Ctrl+B)",
"showPanel": "Show chat panel (Ctrl+B)",
"aiChat": "AI Chat"
},
"providers": {
"useServerDefault": "Use Server Default",
"openai": "OpenAI",
"anthropic": "Anthropic",
"google": "Google",
"azure": "Azure OpenAI",
"openrouter": "OpenRouter",
"deepseek": "DeepSeek",
"siliconflow": "SiliconFlow"
},
"chat": {
"placeholder": "Describe your diagram or upload a file...",
"send": "Send",
"sending": "Sending...",
"sendMessage": "Send message",
"clearConversation": "Clear conversation",
"diagramHistory": "Diagram history",
"saveDiagram": "Save diagram",
"uploadFile": "Upload file (image, PDF, text)",
"minimalStyle": "Minimal",
"styledMode": "Styled",
"minimalTooltip": "Use minimal for faster generation (no colors)",
"regenerate": "Regenerate response",
"copyResponse": "Copy response",
"copied": "Copied!",
"failedToCopy": "Failed to copy",
"goodResponse": "Good response",
"badResponse": "Bad response",
"clickToEdit": "Click to edit",
"editMessage": "Edit message",
"saveAndSubmit": "Save & Submit"
},
"examples": {
"title": "Create diagrams with AI",
"subtitle": "Describe what you want to create or upload an image to replicate",
"quickExamples": "Quick Examples",
"paperToDiagram": "Paper to Diagram",
"paperDescription": "Upload .pdf, .txt, .md, .json, .csv, .py, .js, .ts and more",
"animatedDiagram": "Animated Diagram",
"animatedDescription": "Draw a transformer architecture with animated connectors",
"awsArchitecture": "AWS Architecture",
"awsDescription": "Create a cloud architecture diagram with AWS icons",
"replicateFlowchart": "Replicate Flowchart",
"replicateDescription": "Upload and replicate an existing flowchart",
"creativeDrawing": "Creative Drawing",
"creativeDescription": "Draw something fun and creative",
"cachedNote": "Examples are cached for instant response",
"mcpServer": "MCP Server",
"mcpDescription": "Use in Claude Desktop, VS Code & Cursor",
"preview": "PREVIEW"
},
"settings": {
"title": "Settings",
"description": "Configure your application settings.",
"accessCode": "Access Code",
"accessCodePlaceholder": "Enter access code",
"accessCodeDescription": "Required to use this application.",
"aiProvider": "AI Provider Settings",
"aiProviderDescription": "Use your own API key to bypass usage limits. Your key is stored locally in your browser and is never stored on the server.",
"provider": "Provider",
"modelId": "Model ID",
"apiKey": "API Key",
"apiKeyPlaceholder": "Your API key",
"baseUrl": "Base URL (optional)",
"customEndpoint": "Custom endpoint URL",
"overrides": "Overrides",
"clearSettings": "Clear Settings",
"useServerDefault": "Use Server Default",
"theme": "Theme",
"themeDescription": "Dark/Light mode for interface and DrawIO canvas.",
"drawioStyle": "DrawIO Style",
"drawioStyleDescription": "Canvas style:",
"switchTo": "Switch to",
"minimal": "Minimal",
"sketch": "Sketch",
"closeProtection": "Close Protection",
"closeProtectionDescription": "Show confirmation when leaving the page."
},
"save": {
"title": "Save Diagram",
"description": "Choose a format and filename to save your diagram.",
"format": "Format",
"filename": "Filename",
"filenamePlaceholder": "Enter filename",
"formats": {
"drawio": "Draw.io XML",
"png": "PNG Image",
"svg": "SVG Image"
}
},
"history": {
"title": "Diagram History",
"description": "Here saved each diagram before AI modification.\nClick on a diagram to restore it",
"noHistory": "No history available yet. Send messages to create diagram history.",
"version": "Version",
"restoreTo": "Restore to Version {version}?"
},
"dialogs": {
"clearTitle": "Clear Everything?",
"clearDescription": "This will clear the current conversation and reset the diagram. This action cannot be undone.",
"clearEverything": "Clear Everything",
"clearSuccess": "Started a fresh chat"
},
"errors": {
"maxFiles": "Too many files. Maximum {max} allowed.",
"onlyMoreAllowed": "Only {slots} more file(s) allowed",
"fileExceeds": "\"{name}\" is {size} (exceeds {max}MB)",
"unsupportedType": "\"{name}\" is not a supported file type",
"filesRejected": "{count} files rejected:",
"andMore": "...and {count} more",
"invalidAccessCode": "Invalid or missing access code. Please configure it in Settings.",
"networkError": "Network error. Please check your connection.",
"retryLimit": "Auto-retry limit reached ({max}). Please try again manually.",
"validationFailed": "Diagram validation failed. Please try regenerating.",
"malformedXml": "AI generated invalid diagram XML. Please try regenerating.",
"failedToProcess": "Failed to process diagram. Please try regenerating.",
"sessionCorrupted": "Session data was corrupted. Starting fresh.",
"failedToSave": "Failed to save messages to localStorage",
"failedToRestore": "Failed to restore from localStorage",
"failedToPersist": "Failed to persist state before unload",
"failedToExport": "Error fetching chart data",
"failedToLoadExample": "Error loading example image"
},
"quota": {
"dailyLimit": "Daily Quota Reached",
"tokenLimit": "Daily Token Limit Reached",
"tpmLimit": "Rate Limit",
"tpmMessage": "Too many requests. Please wait a moment.",
"messageApi": "Oops — you've reached the daily API limit for this demo! As an indie developer covering all the API costs myself, I have to set these limits to keep things sustainable.",
"messageToken": "Oops — you've reached the daily token limit for this demo! As an indie developer covering all the API costs myself, I have to set these limits to keep things sustainable.",
"tip": "<strong>Tip:</strong> You can use your own API key (click the Settings icon) or self-host the project to bypass these limits.",
"reset": "Your limit resets tomorrow. Thanks for understanding!",
"selfHost": "Self-host",
"sponsor": "Sponsor",
"learnMore": "Learn more →",
"usedOf": "{used}/{limit}"
},
"tools": {
"generateDiagram": "Generate Diagram",
"editDiagram": "Edit Diagram",
"appendDiagram": "Continue Diagram",
"complete": "Complete",
"error": "Error",
"truncated": "Truncated"
},
"file": {
"reading": "Reading...",
"chars": "chars",
"removeFile": "Remove file"
},
"reasoning": {
"thinking": "Thinking...",
"thoughtFor": "Thought for {duration} seconds",
"thoughtBrief": "Thought for a few seconds"
},
"about": {
"modelChange": "Model Change & Usage Limits",
"walletCrying": "(Or: Why My Wallet is Crying)",
"seekingSponsorship": "Call for Sponsorship",
"contactMe": "Contact Me",
"usageNotice": "Due to high usage, I have changed the model from Claude to minimax-m2 and added some usage limits. See About page for details."
}
}

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{
"common": {
"save": "保存",
"cancel": "キャンセル",
"close": "閉じる",
"confirm": "確認",
"clear": "クリア",
"edit": "編集",
"delete": "削除",
"loading": "読み込み中..",
"new": "新規"
},
"nav": {
"about": "概要",
"editor": "エディタ",
"newChat": "新しいチャットを開始",
"settings": "設定",
"hidePanel": "チャットパネルを非表示 (Ctrl+B)",
"showPanel": "チャットパネルを表示 (Ctrl+B)",
"aiChat": "AI チャット"
},
"providers": {
"useServerDefault": "サーバーデフォルトを使用",
"openai": "OpenAI",
"anthropic": "Anthropic",
"google": "Google",
"azure": "Azure OpenAI",
"openrouter": "OpenRouter",
"deepseek": "DeepSeek",
"siliconflow": "SiliconFlow"
},
"chat": {
"placeholder": "ダイアグラムを説明するか、ファイルをアップロード...",
"send": "送信",
"sending": "送信中...",
"sendMessage": "メッセージを送信",
"clearConversation": "会話をクリア",
"diagramHistory": "ダイアグラム履歴",
"saveDiagram": "ダイアグラムを保存",
"uploadFile": "ファイルをアップロード（画像、PDF、テキスト）",
"minimalStyle": "ミニマル",
"styledMode": "スタイル付き",
"minimalTooltip": "高速生成のためミニマルを使用（色なし）",
"regenerate": "応答を再生成",
"copyResponse": "応答をコピー",
"copied": "コピーしました！",
"failedToCopy": "コピーに失敗しました",
"goodResponse": "良い応答",
"badResponse": "悪い応答",
"clickToEdit": "クリックして編集",
"editMessage": "メッセージを編集",
"saveAndSubmit": "保存して送信"
},
"examples": {
"title": "AI でダイアグラムを作成",
"subtitle": "作成したいものを説明するか、画像をアップロードして複製",
"quickExamples": "クイック例",
"paperToDiagram": "論文からダイアグラムへ",
"paperDescription": ".pdf, .txt, .md, .json, .csv, .py, .js, .ts などをアップロード",
"animatedDiagram": "アニメーション図",
"animatedDescription": "アニメーションコネクタ付きの Transformer アーキテクチャを描画",
"awsArchitecture": "AWS アーキテクチャ",
"awsDescription": "AWS アイコンでクラウドアーキテクチャ図を作成",
"replicateFlowchart": "フローチャートを複製",
"replicateDescription": "既存のフローチャートをアップロードして複製",
"creativeDrawing": "クリエイティブな描画",
"creativeDescription": "楽しくてクリエイティブなものを描く",
"cachedNote": "例はキャッシュされ、即座に応答します",
"mcpServer": "MCP サーバー",
"mcpDescription": "Claude Desktop、VS Code、Cursor で使用",
"preview": "プレビュー"
},
"settings": {
"title": "設定",
"description": "アプリケーション設定を構成します。",
"accessCode": "アクセスコード",
"accessCodePlaceholder": "アクセスコードを入力",
"accessCodeDescription": "このアプリケーションを使用するために必要です。",
"aiProvider": "AI プロバイダー設定",
"aiProviderDescription": "独自の API キーを使用して使用制限を回避できます。キーはブラウザのローカルに保存され、サーバーには保存されません。",
"provider": "プロバイダー",
"modelId": "モデル ID",
"apiKey": "API キー",
"apiKeyPlaceholder": "あなたの API キー",
"baseUrl": "ベース URL（オプション）",
"customEndpoint": "カスタムエンドポイント URL",
"overrides": "上書き",
"clearSettings": "設定をクリア",
"useServerDefault": "サーバーデフォルトを使用",
"theme": "テーマ",
"themeDescription": "インターフェースと DrawIO キャンバスのダーク/ライトモード。",
"drawioStyle": "DrawIO スタイル",
"drawioStyleDescription": "キャンバススタイル：",
"switchTo": "切り替え",
"minimal": "ミニマル",
"sketch": "スケッチ",
"closeProtection": "ページ離脱確認",
"closeProtectionDescription": "ページを離れる際に確認を表示します。"
},
"save": {
"title": "ダイアグラムを保存",
"description": "形式とファイル名を選択してダイアグラムを保存します。",
"format": "形式",
"filename": "ファイル名",
"filenamePlaceholder": "ファイル名を入力",
"formats": {
"drawio": "Draw.io XML",
"png": "PNG 画像",
"svg": "SVG 画像"
}
},
"history": {
"title": "ダイアグラム履歴",
"description": "AI 修正前に保存された各ダイアグラム。\nダイアグラムをクリックして復元",
"noHistory": "まだ履歴がありません。メッセージを送信してダイアグラム履歴を作成してください。",
"version": "バージョン",
"restoreTo": "バージョン {version} に復元しますか？"
},
"dialogs": {
"clearTitle": "すべてクリアしますか？",
"clearDescription": "現在の会話をクリアし、ダイアグラムをリセットします。この操作は元に戻せません。",
"clearEverything": "すべてクリア",
"clearSuccess": "新しいチャットを開始しました"
},
"errors": {
"maxFiles": "ファイルが多すぎます。最大 {max} 個まで許可されています。",
"onlyMoreAllowed": "あと {slots} 個のファイルのみ許可されています",
"fileExceeds": "「{name}」は {size} です（{max}MB を超えています）",
"unsupportedType": "「{name}」はサポートされていないファイルタイプです",
"filesRejected": "{count} 個のファイルが拒否されました：",
"andMore": "...およびさらに {count} 個",
"invalidAccessCode": "無効または欠落したアクセスコード。設定で入力してください。",
"networkError": "ネットワークエラー。接続を確認してください。",
"retryLimit": "自動再試行制限に達しました（{max}）。手動で再試行してください。",
"validationFailed": "ダイアグラムの検証に失敗しました。再生成してみてください。",
"malformedXml": "AI が無効なダイアグラム XML を生成しました。再生成してみてください。",
"failedToProcess": "ダイアグラムの処理に失敗しました。再生成してみてください。",
"sessionCorrupted": "セッションデータが破損しました。最初からやり直します。",
"failedToSave": "localStorage へのメッセージの保存に失敗しました",
"failedToRestore": "localStorage からの復元に失敗しました",
"failedToPersist": "アンロード前の状態の永続化に失敗しました",
"failedToExport": "チャートデータの取得エラー",
"failedToLoadExample": "例の画像の読み込みエラー"
},
"quota": {
"dailyLimit": "1日の割当量に達しました",
"tokenLimit": "1日のトークン制限に達しました",
"tpmLimit": "レート制限",
"tpmMessage": "リクエストが多すぎます。しばらくお待ちください。",
"messageApi": "おっと — このデモの1日の API 制限に達しました！個人開発者として API コストをすべて負担しているため、持続可能性を保つためにこれらの制限を設定する必要があります。",
"messageToken": "おっと — このデモの1日のトークン制限に達しました！個人開発者として API コストをすべて負担しているため、持続可能性を保つためにこれらの制限を設定する必要があります。",
"tip": "<strong>ヒント：</strong>独自の API キーを使用する（設定アイコンをクリック）か、プロジェクトをセルフホストしてこれらの制限を回避できます。",
"reset": "制限は明日リセットされます。ご理解ありがとうございます！",
"selfHost": "セルフホスト",
"sponsor": "スポンサー",
"learnMore": "詳細 →",
"usedOf": "{used}/{limit}"
},
"tools": {
"generateDiagram": "ダイアグラムを生成",
"editDiagram": "ダイアグラムを編集",
"appendDiagram": "ダイアグラムに追加",
"complete": "完了",
"error": "エラー",
"truncated": "切り捨て"
},
"file": {
"reading": "読み込み中...",
"chars": "文字",
"removeFile": "ファイルを削除"
},
"reasoning": {
"thinking": "考え中...",
"thoughtFor": "{duration} 秒考えました",
"thoughtBrief": "数秒考えました"
},
"about": {
"modelChange": "モデル変更と利用制限について",
"walletCrying": "（別名：お財布が悲鳴を上げています）",
"seekingSponsorship": "スポンサー募集",
"contactMe": "お問い合わせ",
"usageNotice": "利用量の増加に伴い、コスト削減のためモデルを Claude から minimax-m2 に変更し、いくつかの利用制限を設けました。詳細は概要ページをご覧ください。"
}
}

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{
"common": {
"save": "保存",
"cancel": "取消",
"close": "关闭",
"confirm": "确认",
"clear": "清除",
"edit": "编辑",
"delete": "删除",
"loading": "加载中...",
"new": "新建"
},
"nav": {
"about": "关于",
"editor": "编辑器",
"newChat": "开始新对话",
"settings": "设置",
"hidePanel": "隐藏聊天面板 (Ctrl+B)",
"showPanel": "显示聊天面板 (Ctrl+B)",
"aiChat": "AI 聊天"
},
"providers": {
"useServerDefault": "使用服务器默认值",
"openai": "OpenAI",
"anthropic": "Anthropic",
"google": "Google",
"azure": "Azure OpenAI",
"openrouter": "OpenRouter",
"deepseek": "DeepSeek",
"siliconflow": "SiliconFlow"
},
"chat": {
"placeholder": "描述您的图表或上传文件...",
"send": "发送",
"sending": "发送中...",
"sendMessage": "发送消息",
"clearConversation": "清除对话",
"diagramHistory": "图表历史",
"saveDiagram": "保存图表",
"uploadFile": "上传文件（图片、PDF、文本）",
"minimalStyle": "简约",
"styledMode": "精致",
"minimalTooltip": "使用简约模式以加快生成速度（无颜色）",
"regenerate": "重新生成响应",
"copyResponse": "复制响应",
"copied": "已复制！",
"failedToCopy": "复制失败",
"goodResponse": "有帮助",
"badResponse": "无帮助",
"clickToEdit": "点击编辑",
"editMessage": "编辑消息",
"saveAndSubmit": "保存并提交"
},
"examples": {
"title": "用 AI 创建图表",
"subtitle": "描述您想要创建的内容或上传图片进行复制",
"quickExamples": "快速示例",
"paperToDiagram": "文档转图表",
"paperDescription": "上传 .pdf, .txt, .md, .json, .csv, .py, .js, .ts 等文件",
"animatedDiagram": "动画图表",
"animatedDescription": "绘制带有动画连接器的 Transformer 架构",
"awsArchitecture": "AWS 架构",
"awsDescription": "使用 AWS 图标创建云架构图",
"replicateFlowchart": "复制流程图",
"replicateDescription": "上传并复制现有流程图",
"creativeDrawing": "创意绘图",
"creativeDescription": "绘制有趣且富有创意的内容",
"cachedNote": "示例已缓存，可即时响应",
"mcpServer": "MCP 服务器",
"mcpDescription": "在 Claude Desktop、VS Code 和 Cursor 中使用",
"preview": "预览"
},
"settings": {
"title": "设置",
"description": "配置您的应用程序设置。",
"accessCode": "访问码",
"accessCodePlaceholder": "输入访问码",
"accessCodeDescription": "使用此应用程序需要访问码。",
"aiProvider": "AI 提供商设置",
"aiProviderDescription": "使用您自己的 API 密钥来绕过使用限制。您的密钥仅存储在浏览器本地，不会存储在服务器上。",
"provider": "提供商",
"modelId": "模型 ID",
"apiKey": "API 密钥",
"apiKeyPlaceholder": "您的 API 密钥",
"baseUrl": "基础 URL（可选）",
"customEndpoint": "自定义端点 URL",
"overrides": "覆盖",
"clearSettings": "清除设置",
"useServerDefault": "使用服务器默认值",
"theme": "主题",
"themeDescription": "界面和 DrawIO 画布的深色/浅色模式。",
"drawioStyle": "DrawIO 样式",
"drawioStyleDescription": "画布样式：",
"switchTo": "切换到",
"minimal": "简约",
"sketch": "草图",
"closeProtection": "关闭确认",
"closeProtectionDescription": "离开页面时显示确认。"
},
"save": {
"title": "保存图表",
"description": "选择格式和文件名以保存您的图表。",
"format": "格式",
"filename": "文件名",
"filenamePlaceholder": "输入文件名",
"formats": {
"drawio": "Draw.io XML",
"png": "PNG 图片",
"svg": "SVG 图片"
}
},
"history": {
"title": "图表历史",
"description": "在 AI 修改之前保存的每个图表。\n点击图表以恢复它",
"noHistory": "尚无历史记录。发送消息以创建图表历史。",
"version": "版本",
"restoreTo": "恢复到版本 {version}？"
},
"dialogs": {
"clearTitle": "清除所有内容？",
"clearDescription": "这将清除当前对话并重置图表。此操作无法撤消。",
"clearEverything": "清除所有内容",
"clearSuccess": "已开始新对话"
},
"errors": {
"maxFiles": "文件太多。最多允许 {max} 个。",
"onlyMoreAllowed": "只能再添加 {slots} 个文件",
"fileExceeds": "\"{name}\" 大小为 {size}（超过 {max}MB）",
"unsupportedType": "\"{name}\" 不是支持的文件类型",
"filesRejected": "{count} 个文件被拒绝：",
"andMore": "...还有 {count} 个",
"invalidAccessCode": "无效或缺少访问码。请在设置中配置。",
"networkError": "网络错误。请检查您的连接。",
"retryLimit": "已达到自动重试限制（{max}）。请手动重试。",
"validationFailed": "图表验证失败。请尝试重新生成。",
"malformedXml": "AI 生成的图表 XML 无效。请尝试重新生成。",
"failedToProcess": "无法处理图表。请尝试重新生成。",
"sessionCorrupted": "会话数据已损坏。重新开始。",
"failedToSave": "无法保存消息到 localStorage",
"failedToRestore": "无法从 localStorage 恢复",
"failedToPersist": "卸载前无法持久化状态",
"failedToExport": "获取图表数据时出错",
"failedToLoadExample": "加载示例图片时出错"
},
"quota": {
"dailyLimit": "已达每日配额",
"tokenLimit": "已达每日令牌限制",
"tpmLimit": "速率限制",
"tpmMessage": "请求过多。请稍等片刻。",
"messageApi": "糟糕 — 您已达到此演示的每日 API 限制！作为一名独立开发者，我自己承担所有 API 费用，因此必须设置这些限制以保持可持续性。",
"messageToken": "糟糕 — 您已达到此演示的每日令牌限制！作为一名独立开发者，我自己承担所有 API 费用，因此必须设置这些限制以保持可持续性。",
"tip": "<strong>提示：</strong>您可以使用自己的 API 密钥（点击设置图标）或自托管项目来绕过这些限制。",
"reset": "您的限制将在明天重置。感谢您的理解！",
"selfHost": "自托管",
"sponsor": "赞助",
"learnMore": "了解更多 →",
"usedOf": "{used}/{limit}"
},
"tools": {
"generateDiagram": "生成图表",
"editDiagram": "编辑图表",
"appendDiagram": "继续图表",
"complete": "完成",
"error": "错误",
"truncated": "已截断"
},
"file": {
"reading": "读取中...",
"chars": "字符",
"removeFile": "移除文件"
},
"reasoning": {
"thinking": "思考中...",
"thoughtFor": "思考了 {duration} 秒",
"thoughtBrief": "思考了几秒钟"
},
"about": {
"modelChange": "模型变更与用量限制",
"walletCrying": "（别名：我的钱包顶不住了）",
"seekingSponsorship": "寻求赞助（求大佬捞一把）",
"contactMe": "联系我",
"usageNotice": "由于使用量过高，我已将模型从 Claude 更换为 minimax-m2，并设置了一些用量限制。详情请查看关于页面。"
}
}