增强多语言支持，网页默认加载示例

.gitignore

@@ -36,3 +36,4 @@ notes/*
 *.swp
 *.log
 .specstory
+scripts/log.py

client/src/content/home.en.html

@@ -23,8 +23,8 @@
     <div class="intro-block">
         <h4>Intuitive Understanding of Information</h4>
         <p>From a linguistic perspective, information represents the novelty/surprise/importance of a word. Words that
-            are harder to predict from context typically carry more information. A simple example: "Today I saw a 'UFO'"
-            vs "Today I saw a 'plane'" — clearly "UFO" carries more information.</p>
+            are harder to predict from context typically carry more information. A simple example: “This morning I opened the door and saw a 'UFO'.”
+            vs “This morning I opened the door and saw a 'cat'.” — clearly "UFO" carries more information.</p>
     </div>
 
     <!-- 技术定义 -->
@@ -63,6 +63,15 @@
             improve reading speed.</p>
     </div>
 
+    <!-- Tribute -->
+    <div class="intro-block">
+        <h4>Tribute</h4>
+        <p>InfoRadar is built on the classic project <a href="http://gltr.io" target="_blank" rel="noopener">GLTR.io</a>,
+            developed by Hendrik Strobelt et al. in 2019. GLTR was a web demo that pioneered using GPT-2 prediction
+            probabilities to detect generated text.</p>
+        <p>However, this project's goal is not to detect AI text, but to evaluate the "information quality" of text.</p>
+    </div>
+
     <!-- FAQ -->
     <div class="intro-block intro-faq">
         <h4>FAQ</h4>

client/src/content/home.zh.html

@@ -15,8 +15,8 @@
     <!-- 原理直觉 -->
     <div class="intro-block">
         <h4>信息量的直观理解</h4>
-        <p>从语言学角度看，信息量代表一个词所包含的新意/意外性/关键程度。越难从上下文中预测出来的词，通常携带的信息就越多。一个简单的例子："今天我在天上看见了'飞碟'" 和
-            "今天我在天上看见了'飞机'"：在这里显然"飞碟"的信息量更大。</p>
+        <p>从语言学角度看，信息量代表一个词所包含的新意/意外性/关键程度。越难从上下文中预测出来的词，通常携带的信息就越多。一个简单的例子："今天早上我打开门看见了一只'飞碟'" 和
+            "今天早上我打开门看见了一只'猫'"：在这里显然"飞碟"的信息量更大。</p>
     </div>
 
     <!-- 技术定义 -->
@@ -43,6 +43,13 @@
         <p>好消息是，大模型进步实在太快了：目前的分析结果已经在一定程度上反映了主流阅读者的主观感受，可以用来评估文章的信息含量，还可以提高阅读速度。</p>
     </div>
 
+    <!-- 致谢 -->
+    <div class="intro-block">
+        <h4>致谢</h4>
+        <p>InfoRadar 基于 2019 年 Hendrik Strobelt 等人开发的经典项目 <a href="http://gltr.io" target="_blank" rel="noopener">GLTR.io</a>。GLTR 是一个网页演示，率先用 GPT-2 的预测概率来检测生成文本。</p>
+        <p>不过本项目的目标不是检测 AI 文本，而是评估文本的“信息质量”。</p>
+    </div>
+
     <!-- FAQ -->
     <div class="intro-block intro-faq">
         <h4>常见问题</h4>

client/src/index.html

@@ -19,7 +19,7 @@
                     <div class="dark-mode-toggle-wrapper">
                     <h1 class="home-toolbar-title"><span data-i18n>InfoRadar</span> <span class="title-formula" data-i18n>LLM × Linguistics × Information Theory</span></h1>
                     <div class="home-toolbar-actions">
-                        <a href="compare.html" target="_blank" class="compare-link" title="Compare analysis results" data-i18n="text,title">Compare results</a>
+                        <a href="compare.html?showTextRender=1&demos=/quick-start-1.json,/quick-start-2.json" target="_blank" class="compare-link" title="Compare analysis results" data-i18n="text,title">Compare results</a>
                         <div class="settings-menu-wrapper">
                             <button id="settings_btn" class="settings-btn" title="Settings" data-i18n="title">
                                 <span class="settings-icon">⚙️</span>
@@ -86,7 +86,7 @@
                         </div>
                     </div>
                     <div class="textarea-wrapper">
-                        <textarea id="test_text">The cat was playing in the garden.</textarea>
+                        <textarea id="test_text">“I opened the door and saw a bird.”</textarea>
                         <div class="button-group">
                             <div class="button-left">
                                 <button id="submit_text_btn" class="primary-btn" data-i18n>Analyze</button>

client/src/ts/compare.ts

@@ -149,12 +149,8 @@ window.onload = () => {
     let demoPaths: string[] = [];
 
     if (demosParam) {
-        if (typeof demosParam === 'string') {
-            // 逗号分隔的字符串
-            demoPaths = demosParam.split(',').map(p => p.trim()).filter(p => p.length > 0);
-        } else if (Array.isArray(demosParam)) {
-            demoPaths = demosParam.map(p => String(p).trim()).filter(p => p.length > 0);
-        }
+        const raw = String(demosParam).trim();
+        demoPaths = raw.split(',').map(p => p.trim()).filter(p => p.length > 0);
     }
 
     // 解析显示文本渲染和模型差分模式参数
@@ -515,7 +511,7 @@ window.onload = () => {
                 const result = await demoResourceLoader.load(columnData.demoPath);
                 
                 if (!result.success || !result.data) {
-                    columnData.error = result.message || tr('Load failed');
+                    columnData.error = tr(result.message || 'Load failed');
                     showErrorForColumn(id, columnData.error);
                     updateModelDiffModeAvailability();
                     return;
@@ -1015,8 +1011,8 @@ window.onload = () => {
             
             if (!result.success) {
                 // 用户取消不提示错误
-                if (result.message !== tr('User cancelled file selection')) {
-                    showAlertDialog(tr('Error'), result.message || tr('Import failed'));
+                if (!result.cancelled && result.message) {
+                    showAlertDialog(tr('Error'), tr(result.message || 'Import failed'));
                 }
                 return;
             }
@@ -1047,7 +1043,7 @@ window.onload = () => {
                     });
                     
                     if (!saveResult.success || !saveResult.hash) {
-                        errors.push(`${file.filename}: ${saveResult.message || tr('Failed to save to cache')}`);
+                        errors.push(`${file.filename}: ${tr(saveResult.message || 'Failed to save to cache')}`);
                         continue;
                     }
                     
@@ -1117,7 +1113,7 @@ window.onload = () => {
                 const result = await demoResourceLoader.load(resourceIdentifier);
                 
                 if (!result.success || !result.data) {
-                    showAlertDialog(tr('Error'), result.message || tr('Load failed'));
+                    showAlertDialog(tr('Error'), tr(result.message || 'Load failed'));
                     return;
                 }
                 
@@ -1233,7 +1229,8 @@ window.onload = () => {
         }
         
         if (demoPaths.length > 0) {
-            currentParams['demos'] = demoPaths;
+            // demos 始终按数组语义：写入为逗号拼接字符串，避免 URL 出现数组前缀 ".."
+            currentParams['demos'] = demoPaths.join(',');
         }
         
         URLHandler.updateUrl(currentParams, false);

client/src/ts/controllers/demoStorageController.ts

@@ -5,6 +5,7 @@
 import type { AnalysisData } from '../api/GLTR_API';
 import type { IDemoStorage, SaveOptions, SaveResult } from '../storage/demoStorage';
 import { showConfirmDialog, showAlertDialog } from '../ui/dialog';
+import { tr, trf } from '../lang/i18n-lite';
 
 export interface StorageCallbacks {
     onStart?: () => void;
@@ -46,7 +47,7 @@ export class DemoStorageController {
                 onSuccess?.(options.name, result);
                 // 成功提示：根据 showSuccessToast 决定是否显示
                 if (showSuccessToast) {
-                    const hint = this.storage.type === 'local' ? '已下载到本地' : '上传成功';
+                    const hint = this.storage.type === 'local' ? tr('Downloaded to local') : tr('Upload successful');
                     showToast?.(`Demo "${options.name}" ${hint}！`, 'success');
                 }
             }
@@ -58,7 +59,7 @@ export class DemoStorageController {
             onError?.(err);
             
             // 错误提示：统一使用 alert
-            showAlertDialog('错误', `保存失败: ${err.message}`);
+            showAlertDialog(tr('Error'), trf('Save failed: {message}', { message: err.message }));
             return null;
         }
     }
@@ -78,25 +79,25 @@ export class DemoStorageController {
             return new Promise((resolve) => {
                 this.callbacks.setLoading?.(false);
                 showConfirmDialog(
-                    '文件已存在',
-                    `文件 "${options.name}.json" 已存在，是否覆盖？`,
+                    tr('File already exists'),
+                    trf('File "{name}.json" already exists, overwrite?', { name: options.name }),
                     async () => {
                         this.callbacks.setLoading?.(true);
                         const saved = await this._doSave(data, options, true);
                         resolve(saved);
                     },
                     () => {
-                        this.callbacks.onError?.(new Error('用户取消保存'));
+                        this.callbacks.onError?.(new Error(tr('User cancelled save')));
                         resolve(null);
                     },
-                    '覆盖',
-                    '取消'
+                    tr('Overwrite'),
+                    tr('Cancel')
                 );
             });
         }
         
         if (!result.success) {
-            throw new Error(result.message || '保存失败');
+            throw new Error(result.message || 'Save failed');
         }
         
         return result;
@@ -119,11 +120,11 @@ export class DemoStorageController {
                 onSuccess?.();
                 return result.data;
             } else {
-                // 用户取消不提示错误
-                if (result.message !== '用户取消了文件选择') {
-                    const err = new Error(result.message || '加载失败');
+                // 显示错误（这里不涉及用户取消操作）
+                if (result.message) {
+                    const err = new Error(result.message || 'Load failed');
                     onError?.(err);
-                    showAlertDialog('错误', err.message);
+                    showAlertDialog(tr('Error'), tr(err.message));
                 }
                 return null;
             }
@@ -131,7 +132,7 @@ export class DemoStorageController {
             setLoading?.(false);
             const err = error instanceof Error ? error : new Error(String(error));
             onError?.(err);
-            showAlertDialog('错误', `加载失败: ${err.message}`);
+            showAlertDialog(tr('Error'), trf('Load failed: {message}', { message: err.message }));
             return null;
         }
     }

client/src/ts/controllers/serverDemoController.ts

@@ -11,6 +11,7 @@ import {
     getDefaultDemoName,
     buildFolderOptions
 } from '../utils/demoPathUtils';
+import { tr, trf } from '../lang/i18n-lite';
 
 /**
  * 从保存结果中提取文件名，如果不存在则根据名称生成
@@ -46,11 +47,11 @@ export const showDemoNameInput = (
 
                 // 显示弹框
                 showDialog({
-                    title: '请输入demo名称：',
+                    title: tr('Please enter demo name:'),
                     content: createCombinedContent(
-                        'Demo名称：',
+                        tr('Demo name:'),
                         defaultName,
-                        '保存目录：',
+                        tr('Save directory:'),
                         selectOptions,
                         defaultPath
                     ),
@@ -67,13 +68,13 @@ export const showDemoNameInput = (
                     onCancel: () => {
                         resolve(null);
                     },
-                    cancelText: '取消'
+                    cancelText: tr('Cancel')
                 });
             })
             .catch((error) => {
                 console.error('加载文件夹列表失败:', error);
                 const errorMessage = error instanceof Error ? error.message : String(error);
-                showAlertDialog('错误', `加载文件夹列表失败: ${errorMessage}`);
+                showAlertDialog(tr('Error'), trf('Failed to load folder list: {message}', { message: errorMessage }));
                 resolve(null);
             });
     });
@@ -142,7 +143,7 @@ export const handleServerDemoSave = async (options: ServerDemoSaveOptions): Prom
     } = options;
 
     if (!currentData || !rawApiResponse) {
-        showAlertDialog('提示', '没有可保存的分析结果');
+        showAlertDialog(tr('Info'), tr('No data to save, please analyze text first'));
         return;
     }
 

client/src/ts/controllers/textInputController.ts

@@ -4,6 +4,7 @@ import { calculateTextStats } from '../utils/textStatistics';
 import { countTokenCharacters } from '../utils/Util';
 import type { FrontendAnalyzeResult } from '../api/GLTR_API';
 import { updateBasicMetrics, updateTotalSurprisal, updateModel, validateMetricsElements } from '../utils/textMetricsUpdater';
+import { tr } from '../lang/i18n-lite';
 
 /**
  * 扩展的 Input 事件接口
@@ -153,7 +154,7 @@ export class TextInputController {
         } catch (error) {
             console.error('粘贴失败:', error);
             // 如果clipboard API不可用，提示用户手动粘贴
-            this.options.showAlertDialog('提示', '无法读取剪贴板，请手动粘贴');
+            this.options.showAlertDialog(tr('Info'), tr('Failed to read clipboard, please paste manually'));
         }
     }
 

client/src/ts/lang/translations.ts

@@ -40,6 +40,7 @@ export const translations: Translations = {
         'Finish editing': '完成编辑',
         'Move': '移动',
         'OK': '确定',
+        'Overwrite': '覆盖',
         'Paste': '粘贴',
         'Save': '保存',
         'Upload': '上传',
@@ -47,6 +48,7 @@ export const translations: Translations = {
         // ========== 对话框和表单 ==========
         'Demo name:': 'Demo名称：',
         'Enter folder name': '请输入文件夹名称',
+        'Please enter demo name:': '请输入demo名称：',
         'Folder name:': '文件夹名称：',
         'New name:': '新名称：',
         'Save directory:': '保存目录：',
@@ -55,12 +57,31 @@ export const translations: Translations = {
         'URL address:': 'URL 地址：',
 
         // ========== 状态和提示信息 ==========
+        'Downloaded to local': '已下载到本地',
+        'File already exists': '文件已存在',
+        'File "{name}.json" already exists, overwrite?': '文件 "{name}.json" 已存在，是否覆盖？',
         'Info': '提示',
         'Loading...': '加载中...',
         'No file selected': '未选择文件',
         'Queuing...': '排队中...',
         'Refreshing...': '正在刷新...',
         'Success': '成功',
+        'Upload successful': '上传成功',
+        'User cancelled save': '用户取消保存',
+        'Demo path is missing': '缺少demo路径',
+        'Saved to local cache': '已保存到本地缓存',
+        'Storage quota exceeded, please clear cache and try again': '存储空间不足，请清理缓存后重试',
+        'Key is missing': '缺少key',
+        'File not found in local cache, please open again': '本地缓存中未找到该文件，请重新打开',
+        'Failed to read from cache': '从缓存读取失败',
+        'Request failed, please try again later.': '请求失败，请稍后重试。',
+        'File name cannot be empty': '文件名不能为空',
+        'File name too long (max 255 characters)': '文件名过长（最多255个字符）',
+        'File name contains invalid characters (cannot contain < > : " | ? * or control characters)': '文件名包含非法字符（不能包含 < > : " | ? * 或控制字符）',
+        'File name cannot be a system reserved name': '文件名不能使用系统保留名称',
+        'File name cannot start or end with a dot': '文件名不能以点开头或结尾',
+        'File name cannot contain path separators': '文件名不能包含路径分隔符',
+        'Chinese': '中文',
 
         // ========== 浏览器兼容性提示 ==========
         'Browser does not support IndexedDB, the following features will not be available:': 
@@ -202,23 +223,37 @@ export const translations: Translations = {
         'Error': '错误',
         'Error loading demos, please check console for details.': '加载 demos 时出错，请检查控制台获取详细信息。',
         'Failed items:': '失败项：',
+        'All files failed to read:': '所有文件读取失败：',
         'Failed to add local file': '添加本地文件失败',
         'Failed to create folder': '创建文件夹失败',
+        'Failed to read file': '文件读取失败',
+        'Partial files failed:': '部分文件失败：',
+        'Read failed': '读取失败',
         'Failed to create folder, please check console for details.': '创建文件夹失败，请检查控制台获取详细信息。',
         'Failed to get folder list, please check console for details.': '获取文件夹列表失败，请检查控制台获取详细信息。',
         'Failed to load folder list': '加载文件夹列表失败',
+        'Failed to load folder list: {message}': '加载文件夹列表失败: {message}',
         'Failed to open file': '打开文件失败',
+        'Failed to open IndexedDB': '无法打开 IndexedDB',
+        'Failed to read clipboard, please paste manually': '无法读取剪贴板，请手动粘贴',
         'Failed to refresh demo list, please check console for details.': '刷新demo列表失败，请检查控制台获取详细信息。',
         'Failed to restore': '恢复失败',
         'Failed to save to cache': '保存到缓存失败',
+        'File content is not a valid JSON object': '文件内容不是有效的JSON对象',
         'File download failed': '文件下载失败',
         'File is not a valid JSON format': '文件不是有效的JSON格式',
+        'Invalid hash format: "{hash}", expected 4 hexadecimal characters': '无效的哈希值格式: "{hash}"，应为4位十六进制字符',
         'File opened, but cannot be saved to local cache due to browser security policy restrictions.': 
             '文件已打开，但由于浏览器安全策略限制，无法保存到本地缓存。',
         'Hash value missing': '哈希值缺失',
         'Import failed': '导入失败',
         'Invalid URL format': 'URL格式无效',
         'Load failed': '加载失败',
+        'Load failed: {message}': '加载失败: {message}',
+        'Local resource identifier missing hash: "{identifier}", format should be local://filename.json~hash': '本地资源标识符缺少哈希值: "{identifier}"，格式应为 local://filename.json~hash',
+        'Missing required "request" field': '缺少必需的"request"字段',
+        'Missing required "result" field': '缺少必需的"result"字段',
+        'Unable to extract local resource info: "{identifier}"': '无法提取本地资源信息: "{identifier}"',
         'Move failed': '移动失败',
         'Move failed, please check console for details.': '移动失败，请检查控制台获取详细信息。',
         'No data to save, please analyze text first': '没有可保存的数据，请先分析文本',
@@ -229,7 +264,9 @@ export const translations: Translations = {
         'Rename failed': '重命名失败',
         'Rename failed, please check console for details.': '重命名失败，请检查控制台获取详细信息。',
         'Returned JSON missing valid bpe_strings array': '返回 JSON 缺少合法的 bpe_strings 数组',
+        'Returned JSON missing valid bpe_strings array, processing cancelled.': '返回 JSON 缺少合法的 bpe_strings 数组，已取消本次处理。',
         'Save failed': '保存失败',
+        'Save failed: {message}': '保存失败: {message}',
         'Some demos failed to load': '部分 Demo 加载失败',
         'Some files import failed': '部分文件导入失败',
         'Unable to extract text from URL': '无法从 URL 提取文本',

client/src/ts/start.ts

@@ -331,7 +331,7 @@ window.onload = () => {
         if (urlDemoPath && DemoResourceLoader.isLocalResource(urlDemoPath)) {
             updateFileNameDisplay(null);
         }
-        showAlertDialog(tr('Error'), message);
+        showAlertDialog(tr('Error'), tr(message));
     };
 
     /**
@@ -411,7 +411,7 @@ window.onload = () => {
                         });
                         // 本地文件打开不需要toast提示
                     } else {
-                        throw new Error(loadResult.message || tr('Load failed'));
+                        throw new Error(loadResult.message || 'Load failed');
                     }
                 } catch (cacheError) {
                     // 如果是因为 crypto.subtle 不可用导致保存到缓存失败，跳过缓存，直接渲染文件
@@ -436,13 +436,13 @@ window.onload = () => {
                         throw cacheError;
                     }
                 }
-            } else if (result.message && result.message !== '用户取消了文件选择') {
+            } else if (result.message && !result.cancelled) {
                 // 只有在非取消的情况下才显示错误
-                showAlertDialog(tr('Error'), result.message);
+                showAlertDialog(tr('Error'), tr(result.message));
             }
         } catch (error) {
-            const message = error instanceof Error ? error.message : tr('Failed to open file');
-            showAlertDialog(tr('Error'), message);
+            const message = error instanceof Error ? error.message : 'Failed to open file';
+            showAlertDialog(tr('Error'), tr(message));
         } finally {
             appStateManager.setGlobalLoading(false);
         }
@@ -473,11 +473,12 @@ window.onload = () => {
             onRefreshEnd: async () => {
                 ensureSystemStarted();
                 
-                // 只在首次加载时检查URL参数中的demo参数
+                // 只在首次加载时检查URL参数中的demo参数；无参数时默认加载 quick-start-1.json
                 if (!hasProcessedUrlDemo) {
                     hasProcessedUrlDemo = true;
-                    const urlDemoPath = URLHandler.parameters['demo'];
-                    if (urlDemoPath && typeof urlDemoPath === 'string') {
+                    const paramDemo = URLHandler.parameters['demo'];
+                    const urlDemoPath = (paramDemo && typeof paramDemo === 'string') ? paramDemo : '/quick-start-1.json';
+                    if (urlDemoPath) {
                         appStateManager.setGlobalLoading(true);
                         try {
                             // 判断资源类型
@@ -491,6 +492,9 @@ window.onload = () => {
                                             disableAnimation: true, 
                                             isNewDemo: true 
                                         });
+                                        if (!paramDemo) {
+                                            URLHandler.updateURLParam('demo', '/quick-start-1.json', false);
+                                        }
                                     } catch (error) {
                                         const errorMessage = extractErrorMessage(error, tr('Invalid URL format'));
                                         console.error('解析本地资源标识符失败:', error);
@@ -507,6 +511,9 @@ window.onload = () => {
                                         disableAnimation: true, 
                                         isNewDemo: true 
                                     });
+                                    if (!paramDemo) {
+                                        URLHandler.updateURLParam('demo', '/quick-start-1.json', false);
+                                    }
                                     // 导航到demo所在文件夹并高亮
                                     if (demoManager) {
                                         await demoManager.navigateToDemoAndHighlight(urlDemoPath);
@@ -709,7 +716,7 @@ window.onload = () => {
                         // 加载完成后自动触发 Analyze 按钮点击
                         (submitBtn.node() as HTMLButtonElement)?.click();
                     } else {
-                        showAlertDialog(tr('Load failed'), result.message || tr('Unable to extract text from URL'));
+                        showAlertDialog(tr('Load failed'), tr(result.message || 'Unable to extract text from URL'));
                     }
                 } catch (error) {
                     const errorMessage = extractErrorMessage(error, tr('URL text extraction failed'));

client/src/ts/storage/demoResourceLoader.ts

@@ -14,6 +14,7 @@ import type { TextAnalysisAPI } from '../api/GLTR_API';
 import { ensureJsonExtension, validateDemoFormat } from '../utils/localFileUtils';
 import { extractErrorMessage } from '../utils/errorUtils';
 import { isValidHash } from '../utils/hashUtils';
+import { trf } from '../lang/i18n-lite';
 
 export type ResourceIdentifier = string; // "/path/file.json" 或 "local://file.json"
 
@@ -39,7 +40,7 @@ function parseResourceIdentifier(identifier: ResourceIdentifier): {
             
             // 验证 hash 格式（4位十六进制）
             if (!isValidHash(hash)) {
-                throw new Error(`无效的哈希值格式: "${hash}"，应为4位十六进制字符`);
+                throw new Error(trf('Invalid hash format: "{hash}", expected 4 hexadecimal characters', { hash }));
             }
             
             return {
@@ -51,7 +52,7 @@ function parseResourceIdentifier(identifier: ResourceIdentifier): {
         }
         
         // 没有 hash，视为无效（不再兼容）
-        throw new Error(`本地资源标识符缺少哈希值: "${identifier}"，格式应为 local://filename.json~hash`);
+        throw new Error(trf('Local resource identifier missing hash: "{identifier}", format should be local://filename.json~hash', { identifier }));
     }
     
     return {
@@ -153,7 +154,7 @@ export class DemoResourceLoader {
                 hash: parsed.hash
             };
         }
-        throw new Error(`无法提取本地资源信息: "${identifier}"`);
+        throw new Error(trf('Unable to extract local resource info: "{identifier}"', { identifier }));
     }
 }
 

client/src/ts/storage/demoStorage.ts

@@ -79,7 +79,7 @@ export class ServerStorage implements IDemoStorage {
     
     async load(path: string): Promise<LoadResult> {
         if (!path) {
-            return { success: false, message: '缺少demo路径' };
+            return { success: false, message: 'Demo path is missing' };
         }
         
         try {

client/src/ts/storage/localDemoCache.ts

@@ -44,7 +44,7 @@ export class LocalDemoCache implements IDemoStorage {
             const request = indexedDB.open(DB_NAME, DB_VERSION);
 
             request.onerror = () => {
-                reject(new Error('无法打开 IndexedDB'));
+                reject(new Error('Failed to open IndexedDB'));
             };
 
             request.onsuccess = () => {
@@ -97,7 +97,7 @@ export class LocalDemoCache implements IDemoStorage {
                 request.onsuccess = () => {
                     resolve({
                         success: true,
-                        message: '已保存到本地缓存',
+                        message: 'Saved to local cache',
                         file: filename,
                         hash // 返回计算好的哈希值
                     });
@@ -108,12 +108,12 @@ export class LocalDemoCache implements IDemoStorage {
                     if (error && error.name === 'QuotaExceededError') {
                         resolve({
                             success: false,
-                            message: '存储空间不足，请清理缓存后重试'
+                            message: 'Storage quota exceeded, please clear cache and try again'
                         });
                     } else {
                         resolve({
                             success: false,
-                            message: '保存到缓存失败'
+                            message: 'Failed to save to cache'
                         });
                     }
                 };
@@ -126,12 +126,12 @@ export class LocalDemoCache implements IDemoStorage {
             if (error instanceof DOMException && error.name === 'QuotaExceededError') {
                 return {
                     success: false,
-                    message: '存储空间不足，请清理缓存后重试'
+                    message: 'Storage quota exceeded, please clear cache and try again'
                 };
             }
             return {
                 success: false,
-                message: extractErrorMessage(error, '保存失败')
+                message: extractErrorMessage(error, 'Save failed')
             };
         }
     }
@@ -142,7 +142,7 @@ export class LocalDemoCache implements IDemoStorage {
      */
     async load(key?: string): Promise<LoadResult> {
         if (!key) {
-            return { success: false, message: '缺少key' };
+            return { success: false, message: 'Key is missing' };
         }
 
         try {
@@ -159,7 +159,7 @@ export class LocalDemoCache implements IDemoStorage {
                     if (!record || !record.data) {
                         resolve({
                             success: false,
-                            message: '本地缓存中未找到该文件，请重新打开'
+                            message: 'File not found in local cache, please open again'
                         });
                         return;
                     }
@@ -175,7 +175,7 @@ export class LocalDemoCache implements IDemoStorage {
                     console.error('从缓存读取失败:', error);
                     resolve({
                         success: false,
-                        message: '从缓存读取失败'
+                        message: 'Failed to read from cache'
                     });
                 };
             });

client/src/ts/storage/localFileIO.ts

@@ -7,12 +7,14 @@
 import type { AnalysisData } from '../api/GLTR_API';
 import { validateDemoFormat, ensureJsonExtension } from '../utils/localFileUtils';
 import { extractErrorMessage } from '../utils/errorUtils';
+import { tr } from '../lang/i18n-lite';
 
 export interface ImportResult {
     success: boolean;
     data?: AnalysisData;
     filename?: string;
     message?: string;
+    cancelled?: boolean;  // 用户取消操作
     // 多选模式返回的文件列表
     files?: Array<{
         data: AnalysisData;
@@ -46,7 +48,7 @@ export class LocalFileIO {
                 const files = (e.target as HTMLInputElement).files;
                 if (!files || files.length === 0) {
                     cleanup();
-                    resolve({ success: false, message: '未选择文件' });
+                    resolve({ success: false, message: tr('No file selected') });
                     return;
                 }
 
@@ -68,7 +70,7 @@ export class LocalFileIO {
                                     filename: cleanFilename
                                 });
                             } catch (err) {
-                                const message = extractErrorMessage(err, '读取失败');
+                                const message = extractErrorMessage(err, tr('Read failed'));
                                 errors.push(`${file.name}: ${message}`);
                             }
                         }
@@ -79,14 +81,14 @@ export class LocalFileIO {
                         if (fileResults.length === 0) {
                             resolve({
                                 success: false,
-                                message: `所有文件读取失败：\n${errors.join('\n')}`
+                                message: `${tr('All files failed to read:')}\n${errors.join('\n')}`
                             });
                         } else {
                             // 部分或全部成功，返回成功结果（如果有错误信息，可以包含在message中）
                             resolve({
                                 success: true,
                                 files: fileResults,
-                                message: errors.length > 0 ? `部分文件失败：\n${errors.join('\n')}` : undefined
+                                message: errors.length > 0 ? `${tr('Partial files failed:')}\n${errors.join('\n')}` : undefined
                             });
                         }
                     } else {
@@ -106,14 +108,14 @@ export class LocalFileIO {
                     }
                 } catch (error) {
                     cleanup();
-                    const message = extractErrorMessage(error, '文件读取失败');
+                    const message = extractErrorMessage(error, tr('Failed to read file'));
                     resolve({ success: false, message });
                 }
             };
 
             input.oncancel = () => {
                 cleanup();
-                resolve({ success: false, message: '用户取消了文件选择' });
+                resolve({ success: false, message: tr('User cancelled file selection'), cancelled: true });
             };
 
             document.body.appendChild(input);

client/src/ts/ui/demoManager.ts

@@ -119,7 +119,7 @@ export function initDemoManager(options: DemoManagerOptions): DemoManager {
                         if (result.success) {
                             await fetchDemoList();
                         } else {
-                            showAlertDialog(tr('Error'), result.message || tr('Failed to create folder'));
+                            showAlertDialog(tr('Error'), tr(result.message || 'Failed to create folder'));
                         }
                     } catch (err) {
                         console.error('创建文件夹失败:', err);
@@ -350,7 +350,7 @@ export function initDemoManager(options: DemoManagerOptions): DemoManager {
                     if (result.success) {
                         await fetchDemoList();
                     } else {
-                        showAlertDialog(tr('Error'), result.message || tr('Move failed'));
+                        showAlertDialog(tr('Error'), tr(result.message || 'Move failed'));
                     }
                 } catch (err) {
                     console.error('移动失败:', err);
@@ -381,7 +381,7 @@ export function initDemoManager(options: DemoManagerOptions): DemoManager {
                 if (result.success) {
                     await fetchDemoList();
                 } else {
-                    showAlertDialog(tr('Error'), result.message || tr('Rename failed'));
+                    showAlertDialog(tr('Error'), tr(result.message || 'Rename failed'));
                 }
             } catch (err) {
                 console.error('重命名失败:', err);
@@ -406,7 +406,7 @@ export function initDemoManager(options: DemoManagerOptions): DemoManager {
                 if (result.success) {
                     await fetchDemoList();
                 } else {
-                    showAlertDialog(tr('Error'), result.message || tr('Delete failed'));
+                    showAlertDialog(tr('Error'), tr(result.message || 'Delete failed'));
                 }
             } catch (err) {
                 console.error('删除失败:', err);

client/src/ts/ui/demoMultiSelect.ts

@@ -159,12 +159,12 @@ export function createMultiSelect(options: MultiSelectOptions): MultiSelect {
             // 更新所有按钮的可用状态
             multiSelectBar.selectAll('.refresh-btn').each(function() {
                 const btn = d3.select(this);
-                const text = btn.text();
+                const action = btn.attr('data-action');
                 let isActive = false;
                 
-                if (text === tr('Select all')) {
+                if (action === 'select-all') {
                     isActive = hasUnselected; // 有未选中项时可用
-                } else if (text === tr('Clear') || text === tr('Delete') || text === tr('Move')) {
+                } else if (action === 'clear' || action === 'delete' || action === 'move') {
                     isActive = selectedCount > 0; // 有选中项时可用
                 }
                 
@@ -240,11 +240,11 @@ export function createMultiSelect(options: MultiSelectOptions): MultiSelect {
                         successCount++;
                     } else {
                         failCount++;
-                        errors.push(`${item.name}: ${result.message || tr('Delete failed')}`);
+                        errors.push(`${item.name}: ${tr(result.message || 'Delete failed')}`);
                     }
                 } catch (err) {
                     failCount++;
-                    errors.push(`${item.name}: ${err instanceof Error ? err.message : tr('Delete failed')}`);
+                    errors.push(`${item.name}: ${err instanceof Error ? tr(err.message) : tr('Delete failed')}`);
                 }
             }
 
@@ -332,11 +332,11 @@ export function createMultiSelect(options: MultiSelectOptions): MultiSelect {
                                 successCount++;
                             } else {
                                 failCount++;
-                                errors.push(`${item.name}: ${result.message || tr('Move failed')}`);
+                                errors.push(`${item.name}: ${tr(result.message || 'Move failed')}`);
                             }
                         } catch (err) {
                             failCount++;
-                            errors.push(`${item.name}: ${err instanceof Error ? err.message : tr('Move failed')}`);
+                            errors.push(`${item.name}: ${err instanceof Error ? tr(err.message) : tr('Move failed')}`);
                         }
                     }
 
@@ -429,6 +429,7 @@ export function createMultiSelect(options: MultiSelectOptions): MultiSelect {
             
             multiSelectBar.append('button')
                 .attr('class', 'refresh-btn')
+                .attr('data-action', 'select-all')
                 .attr('title', tr('Select all'))
                 .text(tr('Select all'))
                 .on('click', () => {
@@ -450,6 +451,7 @@ export function createMultiSelect(options: MultiSelectOptions): MultiSelect {
             
             multiSelectBar.append('button')
                 .attr('class', 'refresh-btn')
+                .attr('data-action', 'clear')
                 .attr('title', tr('Clear'))
                 .text(tr('Clear'))
                 .on('click', clearSelection);
@@ -458,12 +460,14 @@ export function createMultiSelect(options: MultiSelectOptions): MultiSelect {
             if (!disableModeToggle) {
                 multiSelectBar.append('button')
                     .attr('class', 'refresh-btn')
+                    .attr('data-action', 'delete')
                     .attr('title', tr('Delete'))
                     .text(tr('Delete'))
                     .on('click', handleBatchDelete);
                 
                 multiSelectBar.append('button')
                     .attr('class', 'refresh-btn')
+                    .attr('data-action', 'move')
                     .attr('title', tr('Move'))
                     .text(tr('Move'))
                     .on('click', handleBatchMove);

client/src/ts/ui/language.ts

@@ -1,5 +1,6 @@
 import * as d3 from 'd3';
 import { getCurrentLanguage, setLanguage, type Language } from '../lang/i18n-lite';
+import { tr } from '../lang/i18n-lite';
 import { createSettingsDropdown } from './settingsDropdown';
 
 export type LanguageManagerOptions = {
@@ -12,7 +13,7 @@ export type LanguageManager = {
 
 const languageOptions: Array<{ lang: Language; label: string }> = [
     { lang: 'en', label: 'English' },
-    { lang: 'zh', label: '中文' },
+    { lang: 'zh', label: 'Chinese' },
 ];
 
 export function initLanguageManager(options: LanguageManagerOptions = {}, containerSelector: string = '#language_toggle'): LanguageManager {
@@ -29,7 +30,7 @@ export function initLanguageManager(options: LanguageManagerOptions = {}, contai
     const dropdown = createSettingsDropdown<Language>({
         container,
         classPrefix: 'language',
-        options: languageOptions.map(({ lang, label }) => ({ value: lang, html: `<span>${label}</span>` })),
+        options: languageOptions.map(({ lang, label }) => ({ value: lang, html: `<span>${tr(label)}</span>` })),
         dataAttr: 'data-lang',
         bodyClickNamespace: 'language-dropdown',
         onSelect: selectLang,

client/src/ts/utils/URLHandler.ts

@@ -39,21 +39,9 @@ export default class URLHandler {
             if (v.length > 0) {
                 const splits = v.split('=');
                 const key = decodeURIComponent(splits[0]);
-                let raw_value = decodeURIComponent(splits[1]);
-
-                const isArray = raw_value.startsWith('..');
-                if (isArray) {
-                    raw_value = raw_value.slice(2);
-                }
-
-                if (raw_value.length < 1) {
-                    urlParameters[key] = isArray ? [] : '';
-                } else if (isArray) {
-                    urlParameters[key] = raw_value.split(',')
-                        .map(val => typeCast(val));
-                } else {
-                    urlParameters[key] = typeCast(raw_value);
-                }
+                const raw_value = decodeURIComponent(splits[1]);
+
+                urlParameters[key] = raw_value.length < 1 ? '' : typeCast(raw_value);
             }
         });
 
@@ -72,9 +60,7 @@ export default class URLHandler {
         Object.keys(urlParameters).forEach(k => {
             const v = urlParameters[k];
             if (v !== undefined) {
-                let value = v;
-                if (Array.isArray(v)) value = '..' + v.join(',');
-                attr.push(encodeURI(k + '=' + value))
+                attr.push(encodeURI(k + '=' + v))
             }
         });
 

client/src/ts/utils/adminManager.ts

@@ -87,7 +87,7 @@ export class AdminManager {
             // 网络等异常场景单独返回一条通用错误
             return {
                 success: false,
-                message: '请求失败，请稍后重试。'
+                message: 'Request failed, please try again later.'
             };
         }
     }

client/src/ts/utils/demoPathUtils.ts

@@ -58,36 +58,36 @@ export const composeDemoFullPath = (folderPath: string | null | undefined, fileN
  */
 export const validateFileName = (fileName: string): { valid: boolean; message?: string } => {
     if (!fileName || !fileName.trim()) {
-        return { valid: false, message: '文件名不能为空' };
+        return { valid: false, message: 'File name cannot be empty' };
     }
 
     const trimmed = fileName.trim();
     
     // 检查长度
     if (trimmed.length > 255) {
-        return { valid: false, message: '文件名过长（最多255个字符）' };
+        return { valid: false, message: 'File name too long (max 255 characters)' };
     }
 
     // Windows 和 Unix 系统都不允许的字符
     const illegalChars = /[<>:"|?*\x00-\x1f]/;
     if (illegalChars.test(trimmed)) {
-        return { valid: false, message: '文件名包含非法字符（不能包含 < > : " | ? * 或控制字符）' };
+        return { valid: false, message: 'File name contains invalid characters (cannot contain < > : " | ? * or control characters)' };
     }
 
     // 检查保留名称（Windows）
     const reservedNames = /^(CON|PRN|AUX|NUL|COM[1-9]|LPT[1-9])(\.|$)/i;
     if (reservedNames.test(trimmed)) {
-        return { valid: false, message: '文件名不能使用系统保留名称' };
+        return { valid: false, message: 'File name cannot be a system reserved name' };
     }
 
     // 检查不能以点或空格开头/结尾（某些系统）
     if (trimmed.startsWith('.') || trimmed.endsWith('.')) {
-        return { valid: false, message: '文件名不能以点开头或结尾' };
+        return { valid: false, message: 'File name cannot start or end with a dot' };
     }
 
     // 检查不能包含路径分隔符
     if (trimmed.includes('/') || trimmed.includes('\\')) {
-        return { valid: false, message: '文件名不能包含路径分隔符' };
+        return { valid: false, message: 'File name cannot contain path separators' };
     }
 
     return { valid: true };

client/src/ts/utils/localFileUtils.ts

@@ -8,6 +8,7 @@ import {
     validateTokenProbabilities,
     validateTokenConsistency
 } from './dataValidation';
+import { tr } from '../lang/i18n-lite';
 
 /**
  * Demo JSON格式验证错误类型
@@ -26,12 +27,12 @@ export class DemoFormatError extends Error {
 export function validateDemoFormat(data: any): data is AnalysisData {
     // 1. 检查基本结构：是否为有效的JSON对象
     if (!data || typeof data !== 'object') {
-        throw new DemoFormatError('文件内容不是有效的JSON对象');
+        throw new DemoFormatError(tr('File content is not a valid JSON object'));
     }
 
     // 2. 检查request字段：是否存在且为对象
     if (!data.request || typeof data.request !== 'object') {
-        throw new DemoFormatError('缺少必需的"request"字段');
+        throw new DemoFormatError(tr('Missing required "request" field'));
     }
 
     if (typeof data.request.text !== 'string') {
@@ -40,7 +41,7 @@ export function validateDemoFormat(data: any): data is AnalysisData {
 
     // 3. 检查result字段：是否存在且为对象
     if (!data.result || typeof data.result !== 'object') {
-        throw new DemoFormatError('缺少必需的"result"字段');
+        throw new DemoFormatError(tr('Missing required "result" field'));
     }
 
     // 4. 检查bpe_strings数组：是否存在且为非空数组

client/src/ts/utils/settingsMenuManager.ts

@@ -163,7 +163,7 @@ export class SettingsMenuManager {
                 const { success, message } = await this.adminManager.setAdminTokenAndNotify(token);
                 if (!success) {
                     // 直接使用后端返回的 message，不在前端自定义文案
-                    showAlertDialog(tr('Error'), message || tr('Admin token verification failed.'));
+                    showAlertDialog(tr('Error'), message ? tr(message) : tr('Admin token verification failed.'));
                     return;
                 }
 

client/src/ts/utils/visualizationUpdater.ts

@@ -27,6 +27,7 @@ import {
 } from './textStatistics';
 import { getTokenSurprisalHistogramConfig, getSurprisalProgressConfig } from "./visualizationConfigs";
 import { showAlertDialog } from '../ui/dialog';
+import { tr } from '../lang/i18n-lite';
 
 /**
  * 可视化更新依赖
@@ -177,7 +178,7 @@ export class VisualizationUpdater {
 
         const abortDueToInvalidResponse = (message: string) => {
             console.error(message);
-            showAlertDialog('错误', message);
+            showAlertDialog(tr('Error'), message);
             // 数据无效，清除数据标记（AppStateManager 会自动隐藏 TextMetrics，包括模型显示）
             this.deps.appStateManager.updateState({ hasValidData: false });
         };
@@ -205,7 +206,7 @@ export class VisualizationUpdater {
 
             // 确保所有必需的字段都存在且类型正确
             if (!Array.isArray(result.bpe_strings) || result.bpe_strings.length === 0) {
-                abortDueToInvalidResponse('返回 JSON 缺少合法的 bpe_strings 数组，已取消本次处理。');
+                abortDueToInvalidResponse(tr('Returned JSON missing valid bpe_strings array, processing cancelled.'));
                 return;
             }
             const predTopkError = validateTokenPredictions(result.bpe_strings as Array<{ pred_topk?: [string, number][] }>);
@@ -290,7 +291,7 @@ export class VisualizationUpdater {
             this.deps.appStateManager.setGlobalLoading(false);
             // analyze失败时，清除数据标记（AppStateManager 会自动隐藏 TextMetrics，包括模型显示）
             this.deps.appStateManager.updateState({ hasValidData: false });
-            showAlertDialog('错误', 'Error rendering visualization. Check console for details.');
+            showAlertDialog(tr('Error'), 'Error rendering visualization. Check console for details.');
             return;
         }
 

data/demo/public/human_ woodchuck_qwen2.5.json

@@ -1,964 +0,0 @@
-{
-  "request": {
-    "text": "How much wood would a woodchuck chuck if a woodchuck could chuck wood?"
-  },
-  "result": {
-    "model": "Qwen2.5-0.5B",
-    "bpe_strings": [
-      {
-        "offset": [
-          0,
-          3
-        ],
-        "raw": "How",
-        "real_topk": [
-          0,
-          0.0039215087890625
-        ],
-        "pred_topk": [
-          [
-            "Human",
-            0.390625
-          ],
-          [
-            "import",
-            0.05084228515625
-          ],
-          [
-            "#",
-            0.04150390625
-          ],
-          [
-            "def",
-            0.0163726806640625
-          ],
-          [
-            "The",
-            0.0136871337890625
-          ],
-          [
-            "class",
-            0.0130615234375
-          ],
-          [
-            "from",
-            0.01285552978515625
-          ],
-          [
-            "public",
-            0.01099395751953125
-          ],
-          [
-            "以下",
-            0.01099395751953125
-          ],
-          [
-            "I",
-            0.00732421875
-          ]
-        ]
-      },
-      {
-        "offset": [
-          3,
-          8
-        ],
-        "raw": " much",
-        "real_topk": [
-          0,
-          0.05035400390625
-        ],
-        "pred_topk": [
-          [
-            " to",
-            0.1600341796875
-          ],
-          [
-            " many",
-            0.1502685546875
-          ],
-          [
-            " can",
-            0.09857177734375
-          ],
-          [
-            " do",
-            0.0911865234375
-          ],
-          [
-            " does",
-            0.057037353515625
-          ],
-          [
-            " much",
-            0.05035400390625
-          ],
-          [
-            " long",
-            0.0257110595703125
-          ],
-          [
-            " did",
-            0.0255126953125
-          ],
-          [
-            " is",
-            0.0253143310546875
-          ],
-          [
-            " would",
-            0.0230560302734375
-          ]
-        ]
-      },
-      {
-        "offset": [
-          8,
-          13
-        ],
-        "raw": " wood",
-        "real_topk": [
-          0,
-          0.001251220703125
-        ],
-        "pred_topk": [
-          [
-            " does",
-            0.11895751953125
-          ],
-          [
-            " is",
-            0.0870361328125
-          ],
-          [
-            " do",
-            0.065673828125
-          ],
-          [
-            " money",
-            0.056182861328125
-          ],
-          [
-            " did",
-            0.051971435546875
-          ],
-          [
-            " of",
-            0.04620361328125
-          ],
-          [
-            " will",
-            0.045135498046875
-          ],
-          [
-            " would",
-            0.038330078125
-          ],
-          [
-            " time",
-            0.032257080078125
-          ],
-          [
-            " can",
-            0.030548095703125
-          ]
-        ]
-      },
-      {
-        "offset": [
-          13,
-          19
-        ],
-        "raw": " would",
-        "real_topk": [
-          0,
-          0.39453125
-        ],
-        "pred_topk": [
-          [
-            " could",
-            0.4833984375
-          ],
-          [
-            " would",
-            0.39453125
-          ],
-          [
-            " can",
-            0.0814208984375
-          ],
-          [
-            " did",
-            0.0083160400390625
-          ],
-          [
-            " was",
-            0.005245208740234375
-          ],
-          [
-            " do",
-            0.004119873046875
-          ],
-          [
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data/demo/public/quick-start-2.json

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