diff --git a/docutranslate/app.py b/docutranslate/app.py
index 6289217..3719ce2 100644
--- a/docutranslate/app.py
+++ b/docutranslate/app.py
@@ -49,8 +49,8 @@ httpx_client: httpx.AsyncClient
 
 # --- [NEW] 工作流到 Manager 的映射 ---
 WORKFLOW_TO_MANAGER: Dict[str, type[BaseManager]] = {
-    "markdown": MarkdownBasedManager,
-    "text": TXTManager,
+    "markdown_based": MarkdownBasedManager,
+    "txt": TXTManager,
 }
 
 
@@ -190,7 +190,7 @@ class BaseWorkflowParams(BaseModel):
 
 # 2. 为每个工作流创建独立的参数模型
 class MarkdownWorkflowParams(BaseWorkflowParams):
-    workflow_type: Literal['markdown'] = Field(..., description="指定使用基于Markdown的翻译工作流。")
+    workflow_type: Literal['markdown_based'] = Field(..., description="指定使用基于Markdown的翻译工作流。")
 
     # --- Markdown-specific Converter Params ---
     convert_engin: Optional[Literal["mineru", "docling"]] = Field(
@@ -204,7 +204,7 @@ class MarkdownWorkflowParams(BaseWorkflowParams):
 
 
 class TextWorkflowParams(BaseWorkflowParams):
-    workflow_type: Literal['text'] = Field(..., description="指定使用纯文本的翻译工作流。")
+    workflow_type: Literal['txt'] = Field(..., description="指定使用纯文本的翻译工作流。")
     # TXT 工作流没有额外的参数
 
 
@@ -227,7 +227,7 @@ class TranslateServiceRequest(BaseModel):
                 "file_name": "annual_report_2023.pdf",
                 "file_content": "JVBERi0xLjcKJeLjz9MKMSAwIG9iago8PC9...",
                 "payload": {
-                    "workflow_type": "markdown",
+                    "workflow_type": "markdown_based",
                     "base_url": "https://api.openai.com/v1",
                     "apikey": "sk-your-api-key-here",
                     "model_id": "gpt-4o",
@@ -1106,7 +1106,7 @@ def run_app(port: int | None = None):
         print(f"正在启动 DocuTranslate WebUI 版本号：{__version__}\n")
         print(f"服务接口文档: http://127.0.0.1:{port_to_use}/docs\n")
         print(f"请用浏览器访问 http://127.0.0.1:{port_to_use}\n")
-        uvicorn.run(app, host="0.0.0.0", port=port_to_use, workers=1)
+        uvicorn.run(app, host=None, port=port_to_use, workers=1)
     except Exception as e:
         print(f"启动失败: {e}")
 
diff --git a/docutranslate/static/index.html b/docutranslate/static/index.html
index 800788c..17c0fe1 100644
--- a/docutranslate/static/index.html
+++ b/docutranslate/static/index.html
@@ -1 +1 @@
-<!DOCTYPE html><html lang="zh-CN" data-bs-theme="auto"><head>    <meta charset="UTF-8">    <meta name="viewport" content="width=device-width, initial-scale=1.0">    <title>DocuTranslate - 交互式文档翻译</title>    <link rel="icon" href="/static/favicon.ico" type="image/x-icon">    <!-- Bootstrap CSS -->    <link href="/static/bootstrap.css" rel="stylesheet" crossorigin="anonymous">    <!-- Bootstrap Icons -->    <link rel="stylesheet" href="/static/bootstrap-icons.css">    <style>        body {            background-color: var(--bs-body-bg);        }        .main-container {            display: flex;            flex-direction: column;            height: 100vh;            padding-top: 1rem;            padding-bottom: 1rem;        }        .settings-panel {            height: calc(100vh - 2rem);            overflow-y: auto;            padding-right: 15px; /* for scrollbar */        }        .task-area {            height: calc(100vh - 2rem);            overflow-y: auto;        }        .task-card {            transition: all 0.3s ease-in-out;        }        .task-id-placeholder {            color: var(--bs-secondary-color);            font-style: italic;        }        .log-area {            height: 150px;            background-color: var(--bs-tertiary-bg);            border: 1px solid var(--bs-border-color);            border-radius: .375rem;            font-family: monospace;            font-size: 0.8rem;            padding: 10px;            overflow-y: auto;            white-space: pre-wrap;            word-break: break-all;        }        .file-drop-area {            border: 2px dashed var(--bs-secondary-bg);            border-radius: .375rem;            padding: 2rem;            text-align: center;            cursor: pointer;            transition: all 0.2s ease-in-out;            background-color: var(--bs-body-bg);        }        .file-drop-area.drag-over {            border-color: var(--bs-primary);            background-color: var(--bs-secondary-bg);        }        .file-drop-area.file-selected {            border-style: solid;            border-color: var(--bs-success);            background-color: var(--bs-success-bg-subtle);        }        .file-drop-area.input-error {            border-color: var(--bs-danger);        }        .file-name-display.input-error-text {            color: var(--bs-danger);            font-weight: bold;        }        #printFrame, #translatedPreviewFrame {            border: none;            width: 100%;        }        #previewOffcanvas {            --bs-offcanvas-width: 95vw;            max-width: 1600px;        }        .preview-split-container {            display: flex;            flex-direction: row;            height: 100%;        }        .preview-pane-wrapper {            display: flex;            flex-direction: column;            overflow: hidden; /* Important for split.js */        }        .preview-pane-wrapper h6 {            flex-shrink: 0;            padding: 0.25rem;        }        .preview-pane-wrapper .preview-pane {            flex-grow: 1; /* Make the inner pane grow */            border: 1px solid var(--bs-border-color);            border-radius: .375rem;            overflow: auto;        }        .gutter {            background-color: var(--bs-tertiary-bg);            background-repeat: no-repeat;            background-position: 50%;        }        .gutter.gutter-horizontal {            cursor: col-resize;            border-left: 1px solid var(--bs-border-color);            border-right: 1px solid var(--bs-border-color);        }        .gutter.gutter-vertical {            cursor: row-resize;            border-top: 1px solid var(--bs-border-color);            border-bottom: 1px solid var(--bs-border-color);        }        .preview-pane iframe, .preview-pane pre {            width: 100%;            height: 95%;            border: none;            margin: 0;            padding: 0;            overflow: auto;            background-color: var(--bs-body-bg);        }        .slider-reset-btn {            visibility: hidden;        }        .theme-switch {            position: fixed;            bottom: 1rem;            left: 1rem;            z-index: 1050;        }        @media (max-width: 991.98px) {            .main-container {                height: auto;                padding-bottom: 6rem;            }            .settings-panel, .task-area {                height: auto;                overflow-y: visible;            }            .settings-panel {                padding-right: 0;                margin-bottom: 2rem;            }        }        @media (max-width: 767.98px) {            .task-card .col-md-7 {                margin-top: 1.5rem;            }            #previewOffcanvas {                --bs-offcanvas-width: 100vw;            }        }    </style></head><body><div class="container-fluid main-container">    <div class="row gx-4">        <!-- Left: Settings Panel -->        <div class="col-lg-4">            <div class="settings-panel">                <div class="d-flex justify-content-between align-items-center mb-3">                    <div class="d-flex align-items-center">                        <h4 class="mb-0 me-3"><i class="bi"></i>DocuTranslate</h4>                        <span id="versionDisplay" class="badge bg-success me-4"></span>                        <div class="btn-group">                            <button type="button" class="btn btn-sm btn-outline-info" data-bs-toggle="modal"                                    data-bs-target="#tutorialModal">                                <i class="bi bi-question-circle-fill me-1"></i>教程                            </button>                            <button type="button" class="btn btn-sm btn-outline-warning" data-bs-toggle="modal"                                    data-bs-target="#contributorsModal">                                <i class="bi bi-people-fill me-1"></i>项目协作                            </button>                        </div>                    </div>                </div>                <form id="translateForm">                    <!-- [NEW] Workflow Selection -->                    <div class="card mb-3 border-primary">                        <div class="card-header bg-primary-subtle border-primary">                            <label for="workflowTypeSelect" class="form-label fw-bold mb-0">1. 选择工作流</label>                        </div>                        <div class="card-body">                             <select class="form-select" id="workflowTypeSelect">                                <option value="markdown">转Markdown再翻译 (PDF, Word, PPT等多数格式)</option>                                <option value="text">txt翻译 (.txt)</option>                            </select>                        </div>                    </div>                    <div class="accordion" id="settingsAccordion">                        <!-- [MODIFIED] Parsing Engine Settings Container -->                        <div class="accordion-item" id="parsingSettingsContainer">                            <h2 class="accordion-header" id="headingOne">                                <button class="accordion-button collapsed" type="button" data-bs-toggle="collapse"                                        data-bs-target="#collapseOne" aria-expanded="false" aria-controls="collapseOne">                                    <strong><i class="bi bi-file-earmark-binary me-2"></i>2. 解析配置</strong>                                </button>                            </h2>                            <div id="collapseOne" class="accordion-collapse collapse" aria-labelledby="headingOne">                                <div class="accordion-body">                                    <div class="mb-3">                                        <label for="convert_engin" class="form-label">解析引擎</label>                                        <select class="form-select" id="convert_engin" name="convert_engin">                                            <!-- Options will be populated by JS -->                                        </select>                                        <div class="form-text">如果上传的文件本身是.md格式，此项可不选。</div>                                    </div>                                    <div class="mb-3" id="mineruTokenGroup">                                        <label for="mineru_token" class="form-label">                                            Mineru Token                                            <a href="https://mineru.net/apiManage/token" target="_blank" class="ms-1"                                               title="获取Mineru Token"><i class="bi bi-box-arrow-up-right"></i></a>                                        </label>                                        <div class="input-group">                                            <input type="password" class="form-control" id="mineru_token"                                                   name="mineru_token" placeholder="使用Mineru引擎时需要">                                            <button class="btn btn-outline-secondary toggle-password" type="button"                                                    data-target="mineru_token">                                                <i class="bi bi-eye-slash"></i>                                            </button>                                        </div>                                    </div>                                    <div class="form-check form-switch mb-2">                                        <input class="form-check-input" type="checkbox" role="switch"                                               id="formula_ocr"                                               name="formula_ocr" checked>                                        <label class="form-check-label" for="formula_ocr">公式识别</label>                                    </div>                                    <div class="form-check form-switch mb-2">                                        <input class="form-check-input" type="checkbox" role="switch" id="code_ocr"                                               name="code_ocr" checked>                                        <label class="form-check-label" for="code_ocr">代码识别</label>                                    </div>                                </div>                            </div>                        </div>                        <!-- [MODIFIED] AI Settings -->                        <div class="accordion-item">                            <h2 class="accordion-header" id="headingTwo">                                <button class="accordion-button collapsed" type="button" data-bs-toggle="collapse"                                        data-bs-target="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo">                                    <strong id="aiSettingsTitle"><i class="bi bi-robot me-2"></i>3. 翻译模型</strong>                                </button>                            </h2>                            <div id="collapseTwo" class="accordion-collapse collapse" aria-labelledby="headingTwo">                                <div class="accordion-body">                                    <div class="mb-3">                                        <label for="platform_select" class="form-label">选择平台</label>                                        <select class="form-select" id="platform_select">                                            <option value="custom">自定义接口</option>                                            <option value="https://api.openai.com/v1">OpenAI</option>                                            <option value="https://open.bigmodel.cn/api/paas/v4">智谱AI</option>                                            <option value="https://api.deepseek.com/v1">DeepSeek</option>                                            <option value="https://dashscope.aliyuncs.com/compatible-mode/v1">                                                阿里云百炼                                            </option>                                            <option value="https://www.dmxapi.cn/v1">DMXAPI</option>                                            <option value="https://openrouter.ai/api/v1">OpenRouter</option>                                            <option value="https://ark.cn-beijing.volces.com/api/v3">火山引擎</option>                                            <option value="https://api.siliconflow.cn/v1">硅基流动</option>                                        </select>                                    </div>                                    <div class="mb-3" id="baseUrlGroup">                                        <label for="base_url" class="form-label">API 地址 (Base URL)</label>                                        <input type="url" class="form-control" id="base_url" name="base_url" required>                                    </div>                                    <div class="mb-3">                                        <label for="apikey" class="form-label">                                            API Key                                            <a href="#" target="_blank" class="ms-1" id="api_href"                                               title="获取API Key"><i class="bi bi-box-arrow-up-right"></i></a>                                        </label>                                        <div class="input-group">                                            <input type="password" class="form-control" id="apikey" name="apikey"                                                   required                                                   placeholder="请输入您的API Key">                                            <button class="btn btn-outline-secondary toggle-password" type="button"                                                    data-target="apikey">                                                <i class="bi bi-eye-slash"></i>                                            </button>                                        </div>                                    </div>                                    <div class="mb-3">                                        <label for="model_id" class="form-label">模型 ID</label>                                        <input type="text" class="form-control" id="model_id" name="model_id" required                                               placeholder="例如: gpt-4o, glm-4">                                    </div>                                </div>                            </div>                        </div>                        <!-- [MODIFIED] Translation Settings -->                        <div class="accordion-item">                            <h2 class="accordion-header" id="headingThree">                                <button class="accordion-button collapsed" type="button" data-bs-toggle="collapse"                                        data-bs-target="#collapseThree" aria-expanded="false"                                        aria-controls="collapseThree">                                    <strong id="translationSettingsTitle"><i class="bi bi-translate me-2"></i>4. 翻译配置</strong>                                </button>                            </h2>                            <div id="collapseThree" class="accordion-collapse collapse" aria-labelledby="headingThree">                                <div class="accordion-body">                                    <div class="mb-3">                                        <label for="to_lang" class="form-label">目标语言</label>                                        <select class="form-select" id="to_lang" name="to_lang">                                            <option value="中文">中文(简体中文)</option>                                            <option value="英文">英文(English)</option>                                            <option value="西班牙文">西班牙文(Español)</option>                                            <option value="法文">法文(Français)</option>                                            <option value="德文">德文(Deutsch)</option>                                            <option value="日文">日文(日本語)</option>                                            <option value="韩文">韩文(한국어)</option>                                            <option value="俄文">俄文(Русский)</option>                                            <option value="葡萄牙文">葡萄牙文(Português)</option>                                            <option value="阿拉伯文">العربية(阿拉伯文)</option>                                        </select>                                    </div>                                    <div class="mb-3">                                        <label for="custom_prompt_translate" class="form-label">自定义Prompt</label>                                        <textarea class="form-control" id="custom_prompt_translate"                                                  name="custom_prompt_translate" rows="3"                                                  placeholder="可选，如“人名保持原文不翻译”"></textarea>                                    </div>                                </div>                            </div>                        </div>                        <!-- [MODIFIED] Other Settings -->                        <div class="accordion-item">                            <h2 class="accordion-header" id="headingFour">                                <button class="accordion-button collapsed" type="button" data-bs-toggle="collapse"                                        data-bs-target="#collapseFour" aria-expanded="false"                                        aria-controls="collapseFour">                                    <strong id="advancedSettingsTitle"><i class="bi bi-sliders me-2"></i>5. 高级参数</strong>                                </button>                            </h2>                            <div id="collapseFour" class="accordion-collapse collapse" aria-labelledby="headingFour">                                <div class="accordion-body">                                    <div class="mb-3">                                        <label for="chunk-size-slider"                                               class="form-label d-flex justify-content-between">                                            <span>分块大小: <span id="chunk-size-display"></span></span>                                            <button type="button"                                                    class="btn btn-sm btn-outline-secondary py-0 px-1 slider-reset-btn"                                                    id="chunk-size-reset">重置                                            </button>                                        </label>                                        <input type="range" class="form-range" min="1000" max="6000" step="100"                                               id="chunk-size-slider" name="chunk_size">                                    </div>                                    <div class="mb-3">                                        <label for="concurrent-slider"                                               class="form-label d-flex justify-content-between">                                            <span>并发数: <span id="concurrent-display"></span></span>                                            <button type="button"                                                    class="btn btn-sm btn-outline-secondary py-0 px-1 slider-reset-btn"                                                    id="concurrent-reset">重置                                            </button>                                        </label>                                        <input type="range" class="form-range" min="1" max="60" step="1"                                               id="concurrent-slider" name="concurrent">                                    </div>                                    <div class="mb-3">                                        <label for="temperature-slider"                                               class="form-label d-flex justify-content-between">                                            <span>Temperature: <span id="temperature-display"></span></span>                                            <button type="button"                                                    class="btn btn-sm btn-outline-secondary py-0 px-1 slider-reset-btn"                                                    id="temperature-reset">重置                                            </button>                                        </label>                                        <input type="range" class="form-range" min="0" max="2" step="0.1"                                               id="temperature-slider" name="temperature">                                    </div>                                </div>                            </div>                        </div>                    </div>                </form>                <!-- 项目信息 -->                <div class="mt-4 text-left text-muted small">                    <p class="bi bi-github mb-1">                        GitHub主页(欢迎star❤): <br/>                        <a href="https://github.com/xunbu/docutranslate" target="_blank" rel="noopener noreferrer">https://github.com/xunbu/docutranslate</a>                    </p>                    <p class="bi bi-tencent-qq mb-0">                        交流QQ群: 1047781902                    </p>                </div>            </div>        </div>        <!-- Right: Task Area -->        <div class="col-lg-8">            <div class="task-area" id="task-area-container">                <div class="d-flex justify-content-between align-items-center mb-3">                    <h4 class="mb-0"><i class="bi bi-list-task me-2"></i>任务列表</h4>                    <button class="btn btn-primary" id="addNewTaskBtn"><i class="bi bi-plus-circle-fill me-2"></i>新建任务                    </button>                </div>                <div id="task-container">                    <!-- Task cards will be injected here -->                </div>                <div id="no-task-placeholder" class="text-center text-muted mt-5">                    <i class="bi bi-journal-plus" style="font-size: 4rem;"></i>                    <p class="mt-3">当前没有任务，点击“新建任务”开始吧！</p>                </div>            </div>        </div>    </div></div><!-- Task Card Template --><template id="taskCardTemplate">    <div class="card mb-3 task-card">        <div class="card-header d-flex justify-content-between align-items-center">            <span class="fw-bold">任务 ID: <code class="task-id-display"><span                    class="task-id-placeholder">等待提交...</span></code></span>            <button type="button" class="btn-close remove-task-btn" aria-label="Close"></button>        </div>        <div class="card-body">            <div class="row">                <div class="col-md-5">                    <input type="file" class="d-none file-input">                    <div class="file-drop-area">                        <div class="file-drop-default">                            <i class="bi bi-cloud-arrow-up fs-1"></i>                            <p class="file-drop-prompt mb-0">点击或拖拽文件到此处</p>                        </div>                        <div class="file-drop-selected" style="display: none;">                            <i class="bi bi-check-circle-fill fs-1 text-success"></i>                            <p class="mb-0 mt-2 fw-bold text-success">文件已选择</p>                        </div>                    </div>                    <div class="file-name-display-wrapper mt-2" style="display: none;">                        <span class="fw-bold">文件名: </span>                        <span class="file-name-display text-success"></span>                    </div>                </div>                <div class="col-md-7">                    <h6><i class="bi bi-terminal me-2"></i>日志</h6>                    <div class="log-area"></div>                    <div class="mt-2">                        <div class="status-message-container">                            <span class="status-message small text-muted">等待上传文件...</span>                        </div>                        <div class="progress mt-1" role="progressbar" style="height: 5px; display: none;">                            <div class="progress-bar progress-bar-striped progress-bar-animated"                                 style="width: 100%"></div>                        </div>                    </div>                </div>            </div>        </div>        <div class="card-footer d-flex justify-content-between align-items-center">            <div class="download-buttons" style="display: none;">                <button class="btn btn-sm btn-success preview-html-btn" style="display: none;"><i class="bi bi-eye-fill me-1"></i>预览</button>                <button class="btn btn-sm btn-info download-pdf-btn" style="display: none;"><i class="bi bi-file-earmark-pdf-fill me-1"></i>下载 PDF</button>                <div class="btn-group">                    <button type="button" class="btn btn-sm btn-secondary dropdown-toggle" data-bs-toggle="dropdown"                            aria-expanded="false">                        <i class="bi bi-download me-1"></i>下载其他格式                    </button>                    <ul class="dropdown-menu">                        <li style="display: none;"><a class="dropdown-item download-html-link" href="#"><i                                class="bi bi-filetype-html me-2"></i>HTML</a></li>                        <li style="display: none;"><a class="dropdown-item download-markdown-link" href="#"><i                                class="bi bi-markdown-fill me-2"></i>Markdown(嵌图)</a></li>                        <li style="display: none;"><a class="dropdown-item download-markdown-zip-link" href="#"><i                                class="bi bi-file-zip-fill me-2"></i>Markdown压缩包</a></li>                        <li style="display: none;"><a class="dropdown-item download-txt-link" href="#"><i                                class="bi bi-filetype-txt me-2"></i>TXT</a></li>                    </ul>                </div>            </div>            <button class="btn btn-primary start-translate-btn ms-auto"><i class="bi bi-play-fill me-1"></i>开始翻译            </button>        </div>    </div></template><!-- Preview Offcanvas with Resizable Panes --><div class="offcanvas offcanvas-end" data-bs-scroll="true" tabindex="-1" id="previewOffcanvas"     aria-labelledby="previewOffcanvasLabel">    <div class="offcanvas-header border-bottom">        <h5 class="offcanvas-title" id="previewOffcanvasLabel">预览</h5>        <div class="btn-group me-auto ms-4" role="group">            <button type="button" class="btn btn-sm btn-primary" id="setBilingualViewBtn">双语</button>            <button type="button" class="btn btn-sm btn-outline-primary" id="setTranslatedOnlyViewBtn">仅译文</button>        </div>        <button type="button" class="btn-close" data-bs-dismiss="offcanvas" aria-label="Close"></button>    </div>    <div class="offcanvas-body d-flex flex-column p-2">        <div class="preview-split-container flex-grow-1">            <div id="originalPreviewContainer" class="preview-pane-wrapper">                <h6 class="text-center text-muted small">原文</h6>                <div class="preview-pane" id="originalPreviewPane"></div>            </div>            <div id="translatedPreviewContainer" class="preview-pane-wrapper">                <h6 class="text-center text-muted small">译文</h6>                <div class="preview-pane">                    <iframe id="translatedPreviewFrame" src="about:blank"></iframe>                </div>            </div>        </div>        <div class="offcanvas-footer mt-2 pt-3 border-top d-flex justify-content-end align-items-center">            <button type="button" class="btn btn-secondary" data-bs-dismiss="offcanvas">关闭</button>            <button type="button" class="btn btn-primary ms-2" id="printFromPreview">                <i class="bi bi-printer-fill me-2"></i>打印/保存为PDF            </button>        </div>    </div></div><!-- Hidden iframe for direct PDF printing --><iframe id="printFrame" style="display: none;"></iframe><!-- Theme Switcher --><div class="dropdown theme-switch">    <button class="btn btn-secondary dropdown-toggle" type="button" id="theme-switcher" data-bs-toggle="dropdown"            aria-expanded="false">        <i class="bi 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class="modal-header">                <h5 class="modal-title" id="tutorialModalLabel"><i class="bi bi-book-half me-2"></i>使用教程</h5>                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>            </div>            <div class="modal-body">                <p><i class="bi bi-camera-video me-2"></i>视频教程可以在b站搜索 <a                        href="https://search.bilibili.com/all?keyword=docutranslate" target="_blank">docutranslate</a>                    获取</p>                <p>欢迎使用 DocuTranslate！请按照以下步骤完成文档翻译：</p>                <ol>                    <li>                        <strong><i class="bi-diagram-3-fill me-2"></i>选择工作流</strong>                        <p class="mt-2">首先，在配置面板顶部选择您需要的翻译流程。例如，如果您要翻译PDF或Word文档，请选择“文档转Markdown”。如果要翻译一个.txt文件，请选择“纯文本翻译”。</p>                    </li>                    <li>                        <strong><i class="bi bi-gear-fill me-2"></i>配置参数</strong>                        <p class="mt-2">根据您选择的工作流，完成相应的配置：</p>                        <ul>                            <li><strong>解析配置</strong> (仅在“文档转Markdown”工作流下显示):                                <ul>                                    <li>选择一个解析引擎。推荐使用 <code>minerU</code> 进行云端解析（支持PDF/Word/PPT/jpg等），如果需要本地解析，可以选择 <code>Docling</code>。</li>                                    <li>如果使用 <code>minerU</code>，请填入您的 <a                                            href="https://mineru.net/apiManage/token">Mineru Token</a>。                                    </li>                                    <li>如果输入文件是markdown文件，该部分可以不进行设置</li>                                </ul>                            </li>                            <li><strong>翻译模型</strong>:                                <ul>                                    <li>选择您的AI服务提供商平台，或选择 <code>自定义接口</code>。</li>                                    <li>填入您的 <code>API Key</code> 和 <code>模型 ID</code>（例如                                        glm-4-flash、deepseek-chat）。                                    </li>                                    <li>API-KEY和模型ID参见对应平台文档。</li>                                    <li>建议使用非推理模型进行翻译。</li>                                </ul>                            </li>                            <li><strong>翻译配置</strong>:                                <ul>                                    <li>选择您希望翻译的 <strong>目标语言</strong>。</li>                                    <li>可以填写自定义Prompt，指导AI进行特定翻译，例如“人名保持原文不翻译”。</li>                                </ul>                            </li>                            <li><strong>高级参数</strong>:                                <ul>                                    <li>通常保持默认即可。</li>                                    <li>并发数指的是每个任务允许多少个并发AI翻译请求，需参照平台模型速率限制进行设置</li>                                </ul>                            </li>                        </ul>                    </li>                    <li>                        <strong><i class="bi bi-file-earmark-arrow-up-fill me-2"></i>上传文件</strong>                        <p class="mt-2">在右侧的任务列表中，点击或拖拽您的文档到文件上传区域。</p>                    </li>                    <li>                        <strong><i class="bi bi-play-circle-fill me-2"></i>开始翻译</strong>                        <p class="mt-2">文件选择成功后，点击任务卡片右下角的 <span                                class="badge bg-primary">开始翻译</span> 按钮。系统将开始处理任务，您可以在日志区域查看实时进度。                        </p>                    </li>                    <li>                        <strong><i class="bi bi-check-circle-fill me-2"></i>查看与下载</strong>                        <p class="mt-2">翻译完成后，任务卡片下方会出现操作按钮（根据文件类型动态显示）：</p>                        <ul>                            <li><span class="badge bg-success"><i class="bi bi-eye-fill me-1"></i>预览</span>:                                在右侧滑出的面板中进行原文和译文的对照预览。                            </li>                            <li><span class="badge bg-info"><i                                    class="bi bi-file-earmark-pdf-fill me-1"></i>下载 PDF</span>: 将译文直接保存为PDF格式。                            </li>                            <li><span class="badge bg-secondary"><i class="bi bi-download me-1"></i>下载其他格式</span>:                                下载HTML、Markdown或TXT等格式的译文。                            </li>                        </ul>                    </li>                </ol>                <div class="alert alert-info mt-3" role="alert">                    <i class="bi bi-info-circle-fill me-2"></i><strong>提示</strong>: 所有配置都会自动保存在您的浏览器本地，方便下次使用。                </div>            </div>            <div class="modal-footer">                <button type="button" class="btn btn-primary" data-bs-dismiss="modal">我明白了</button>            </div>        </div>    </div></div><!-- Contributors Modal --><div class="modal fade" id="contributorsModal" tabindex="-1" aria-labelledby="contributorsModalLabel"     aria-hidden="true">    <div class="modal-dialog modal-dialog-centered">        <div class="modal-content">            <div class="modal-header">                <h5 class="modal-title" id="contributorsModalLabel"><i class="bi bi-heart-fill me-2 text-danger"></i>感谢贡献                </h5>                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>            </div>            <div class="modal-body">                <p>DocuTranslate是一个开源项目！大家的需求与使用是项目进步的动力。</p>                <p>感谢所有资助项目、提交代码与宝贵建议及给项目star的朋友们！</p>                <div class="alert alert-success mt-4" role="alert">                    <p>欢迎通过以下方式参与贡献：</p>                    <hr>                    <p class="mb-0">                        <a href="https://github.com/xunbu/docutranslate" target="_blank"                           class="btn btn-info btn-sm ms-2">                            <i class="bi bi-github me-1"></i>github 主页                        </a>                        <a href="https://github.com/xunbu/docutranslate/pulls" target="_blank"                           class="btn btn-success btn-sm ms-2">                            <i class="bi bi-git me-1"></i>提交 Pull Request                        </a>                        <a href="https://github.com/xunbu/docutranslate/issues" target="_blank"                           class="btn btn-warning btn-sm ms-2">                            <i class="bi bi-bug-fill me-1"></i>报告 Issue                        </a>                    </p>                    <hr>                    <p>或者通过QQ群联系作者：<span>1047781902</span></p>                </div>            </div>            <div class="modal-footer">                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">关闭</button>            </div>        </div>    </div></div><!-- Bootstrap JS --><script src="/static/bootstrap.bundle.min.js" crossorigin="anonymous"></script><!-- Split.js for resizable panes --><script 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convertEnginSelect.value || null,                    mineru_token: mineruTokenInput.value || null,                    formula_ocr: formulaCheckbox.checked,                    code_ocr: codeCheckbox.checked,                };                break;            case 'text':                // No specific validation for text workflow                workflowPayload = {                    ...basePayload,                    workflow_type: 'text'                };                break;            default:                elements.statusMessage.textContent = '无效的工作流类型。';                elements.statusMessage.className = 'status-message small text-danger';                return;        }        if (!isValid) {            elements.statusMessage.textContent = '请填写所有必填的设置项。';            elements.statusMessage.className = 'status-message small text-danger';            return;        }        // --- Release old task and start new one ---        const oldBackendTaskId = state.backendTaskId;        if (oldBackendTaskId) {            console.log(`[${oldBackendTaskId}] Re-translating. Releasing resources for the old task.`);            await releaseTask(oldBackendTaskId);            state.backendTaskId = null;        }        state.isTranslating = true;        elements.startBtn.disabled = true;        elements.startBtn.innerHTML = `<span class="spinner-border spinner-border-sm" role="status" aria-hidden="true"></span> 初始化...`;        elements.logArea.innerHTML = '';        elements.statusMessage.textContent = '正在编码文件并提交任务...';        elements.statusMessage.className = 'status-message small text-muted';        elements.downloadButtons.style.display = 'none';        elements.progress.style.display = 'block';        try {            const fileContentBase64 = await fileToBase64(state.file);            const finalRequest = {                file_name: state.file.name,                file_content: fileContentBase64,                payload: workflowPayload            };            const response = await fetch('/service/translate', {                method: 'POST',                headers: {'Content-Type': 'application/json'},                body: JSON.stringify(finalRequest)            });            const result = await response.json();            if (response.ok && result.task_started) {                const backendTaskId = result.task_id;                state.backendTaskId = backendTaskId;                state.isSubmitted = true;                elements.taskIdDisplay.innerHTML = `<code>${backendTaskId}</code>`;                elements.taskIdDisplay.classList.remove('task-id-placeholder');                saveTaskIds();                elements.statusMessage.textContent = result.message || '任务已开始，正在处理...';                elements.statusMessage.className = 'status-message small text-info';                elements.startBtn.innerHTML = `<i class="bi bi-stop-circle-fill me-1"></i>取消翻译`;                elements.startBtn.classList.replace('btn-primary', 'btn-danger');                elements.startBtn.disabled = false;                startPolling(backendTaskId);            } else {                let errorMessage = result.detail || result.message || `请求失败 (${response.status})`;                if (typeof errorMessage === 'object') {                    errorMessage = JSON.stringify(errorMessage);                }                throw new Error(errorMessage);            }        } catch (error) {            state.isSubmitted = false;            console.error('请求失败:', error);            elements.statusMessage.textContent = `启动失败: ${error.message}`;            elements.statusMessage.className = 'status-message small text-danger';            elements.startBtn.innerHTML = `<i class="bi bi-play-fill me-1"></i>开始翻译`;            elements.startBtn.classList.replace('btn-danger', 'btn-primary');            elements.startBtn.disabled = false;            elements.progress.style.display = 'none';            state.isTranslating = false;        }    }    async function cancelTranslation(cardId) {        const task = tasks[cardId];        if (!task || !task.state.backendTaskId) return;        const {elements} = task;        const backendTaskId = task.state.backendTaskId;        elements.startBtn.disabled = true;        elements.startBtn.innerHTML = `<span class="spinner-border spinner-border-sm" role="status" aria-hidden="true"></span> 正在取消...`;        try {            const response = await fetch(`/service/cancel/${backendTaskId}`, {method: 'POST'});            const result = await response.json();            if (response.ok && result.cancelled) {                elements.statusMessage.textContent = result.message || '取消请求已发送。';                elements.statusMessage.className = 'status-message small text-warning';            } else {                throw new Error(result.message || '取消失败');            }        } catch (error) {            elements.statusMessage.textContent = `取消请求失败: ${error.message}`;            elements.statusMessage.className = 'status-message small text-danger';            elements.startBtn.disabled = false;            elements.startBtn.innerHTML = `<i class="bi bi-stop-circle-fill me-1"></i>取消翻译`;        }    }    // --- Polling ---    function startPolling(backendTaskId) {        stopPolling(backendTaskId);        const card = Object.values(tasks).find(t => t.state.backendTaskId === backendTaskId);        if (!card) return;        card.intervals.log = setInterval(() => pollLogs(backendTaskId), 2000);        card.intervals.status = setInterval(() => pollStatus(backendTaskId), 1500);        pollLogs(backendTaskId);        pollStatus(backendTaskId);    }    function stopPolling(backendTaskId) {        const card = Object.values(tasks).find(t => t.state.backendTaskId === backendTaskId);        if (!card) return;        const {intervals} = card;        if (intervals.log) clearInterval(intervals.log);        if (intervals.status) clearInterval(intervals.status);        intervals.log = null;        intervals.status = null;    }    async function pollLogs(backendTaskId) {        const card = Object.values(tasks).find(t => t.state.backendTaskId === backendTaskId);        if (!card) return;        const {elements} = card;        try {            const response = await fetch(`/service/logs/${backendTaskId}`);            if (!response.ok) return;            const data = await response.json();            if (data.logs && data.logs.length > 0) {                elements.logArea.innerHTML += data.logs.map(log => log.replace(/</g, "<").replace(/>/g, ">") + '<br>').join('');                elements.logArea.scrollTop = elements.logArea.scrollHeight;            }        } catch (error) {            console.warn(`[${backendTaskId}] Error polling logs:`, error);        }    }    async function pollStatus(backendTaskId, isRestore = false) {        const card = Object.values(tasks).find(t => t.state.backendTaskId === backendTaskId);        if (!card) {            if (isRestore) {                console.warn(`Restored task ${backendTaskId} not found in UI, removing from storage.`);                const savedTaskIds = JSON.parse(getFromStorage('active_task_ids', '[]'));                const newIds = savedTaskIds.filter(id => id !== backendTaskId);                saveToStorage('active_task_ids', JSON.stringify(newIds));            }            return;        }        const {elements, state} = card;        const cardId = elements.card.dataset.cardId;        try {            const response = await fetch(`/service/status/${backendTaskId}`);            if (!response.ok) {                if (response.status === 404 && isRestore) {                    console.warn(`Task ${backendTaskId} not found on server (404). Removing from UI.`);                    await removeTask(cardId);                }                return;            }            const status = await response.json();            if (status.original_filename && (!state.file || isRestore)) {                elements.fileNameDisplay.textContent = status.original_filename;                elements.fileNameDisplayWrapper.style.display = 'block';            }            elements.statusMessage.textContent = status.status_message || '正在获取状态...';            elements.statusMessage.className = `status-message small ${status.error_flag ? 'text-danger' : 'text-info'}`;            if (!status.is_processing) {                pollLogs(backendTaskId); // Get final logs                stopPolling(backendTaskId);                state.isTranslating = false;                elements.startBtn.disabled = false;                elements.startBtn.innerHTML = `<i class="bi bi-play-fill me-1"></i>重新翻译`;                elements.startBtn.classList.replace('btn-danger', 'btn-primary');                elements.progress.style.display = 'none';                if (status.download_ready && !status.error_flag) {                    elements.statusMessage.className = 'status-message small text-success';                    updateDownloadButtons(cardId, status);                } else {                    elements.downloadButtons.style.display = 'none';                }            } else {                state.isTranslating = true;                elements.startBtn.innerHTML = `<i class="bi bi-stop-circle-fill me-1"></i>取消翻译`;                elements.startBtn.classList.replace('btn-primary', 'btn-danger');                elements.startBtn.disabled = false;                elements.progress.style.display = 'block';                elements.downloadButtons.style.display = 'none';                if (isRestore && !card.intervals.status) {                    startPolling(backendTaskId);                }            }        } catch (error) {            console.error(`[${backendTaskId}] Error polling status:`, error);            elements.statusMessage.textContent = '状态更新出错。';            elements.statusMessage.className = 'status-message small text-danger';        }    }    // --- Download and Preview ---    function updateDownloadButtons(cardId, status) {        const { elements, state } = tasks[cardId];        const { downloads } = status;        const { previewBtn, pdfBtn, htmlLink, mdLink, mdZipLink, txtLink, downloadButtons } = elements;        // Reset visibility first        [previewBtn, pdfBtn].forEach(btn => btn.style.display = 'none');        [htmlLink, mdLink, mdZipLink, txtLink].forEach(link => link.parentElement.style.display = 'none');        downloadButtons.style.display = 'none';        let anyDownloadAvailable = false;        if (downloads.html) {            state.htmlUrl = downloads.html;            state.fileNameStem = status.original_filename_stem;            previewBtn.style.display = 'inline-block';            pdfBtn.style.display = 'inline-block';            htmlLink.href = downloads.html;            htmlLink.parentElement.style.display = 'block';            previewBtn.onclick = () => setupPreview(cardId);            pdfBtn.onclick = () => downloadPdf(cardId);            anyDownloadAvailable = true;        }        if (downloads.markdown) {            mdLink.href = downloads.markdown;            mdLink.parentElement.style.display = 'block';            anyDownloadAvailable = true;        }        if (downloads.markdown_zip) {            mdZipLink.href = downloads.markdown_zip;            mdZipLink.parentElement.style.display = 'block';            anyDownloadAvailable = true;        }        if (downloads.txt) {            txtLink.href = downloads.txt;            txtLink.parentElement.style.display = 'block';            anyDownloadAvailable = true;        }        if (anyDownloadAvailable) {            downloadButtons.style.display = 'flex';        }    }    function setupPreview(cardId) {        const {state} = tasks[cardId];        if (!state.htmlUrl) return;        const existingOriginalContent = originalPreviewPane.querySelector('iframe, pre, p');        if (existingOriginalContent) existingOriginalContent.remove();        translatedPreviewFrame.src = 'about:blank';        translatedPreviewFrame.srcdoc = '<h3><span class="spinner-border spinner-border-sm" role="status" aria-hidden="true"></span> 正在加载译文...</h3>';        setPreviewDisplayMode('bilingual');        previewOffcanvas.show();        if (state.file) {            const fileType = state.file.type;            const fileExtension = state.file.name.split('.').pop().toLowerCase();            const textLikeExtensions = ['md', 'json', 'xml', 'log', 'py', 'js', 'css', 'java', 'c', 'cpp', 'h', 'hpp', 'cs', 'rb', 'php', 'swift', 'kt', 'go', 'rs', 'ts', 'txt'];            if (fileType.startsWith('text/') || textLikeExtensions.includes(fileExtension)) {                const pre = document.createElement('pre');                state.file.text()                    .then(text => pre.textContent = text)                    .catch(() => pre.textContent = '无法读取原文内容。');                originalPreviewPane.appendChild(pre);            } else if (['application/pdf', 'text/html'].includes(fileType) || ['html', 'htm'].includes(fileExtension)) {                const iframe = document.createElement('iframe');                iframe.src = URL.createObjectURL(state.file);                originalPreviewPane.appendChild(iframe);            } else {                const p = document.createElement('p');                p.className = 'p-3 text-muted';                p.textContent = `无法直接预览此文件类型 (${fileType || '未知: ' + fileExtension})。`;                originalPreviewPane.appendChild(p);            }        } else {            const p = document.createElement('p');            p.className = 'p-3 text-muted';            p.textContent = '未找到原文文件缓存。';            originalPreviewPane.appendChild(p);        }        fetch(state.htmlUrl)            .then(resp => resp.ok ? resp.text() : Promise.reject(`HTTP error ${resp.status}`))            .then(html => {                translatedPreviewFrame.srcdoc = html;            })            .catch(err => {                console.error('Preview fetch failed:', err);                translatedPreviewFrame.srcdoc = `<h3>加载译文失败</h3><p>${err.message}</p>`;            });        printFromPreview.onclick = () => {            try {                translatedPreviewFrame.contentWindow.focus();                translatedPreviewFrame.contentWindow.print();            } catch (e) {                alert('打印失败，请使用浏览器打印功能。');            }        };    }    function downloadPdf(cardId) {        const {elements, state} = tasks[cardId];        if (!state.htmlUrl) return;        elements.pdfBtn.disabled = true;        elements.pdfBtn.innerHTML = `<span class="spinner-border spinner-border-sm"></span> 准备中...`;        fetch(state.htmlUrl)            .then(resp => resp.ok ? resp.text() : Promise.reject(`HTTP error ${resp.status}`))            .then(html => {                printFrameEl.onload = () => {                    setTimeout(() => {                        try {                            printFrameEl.contentWindow.focus();                            printFrameEl.contentWindow.print();                        } catch (err) {                            alert('自动打印失败，请在预览中手动打印。');                        } finally {                            elements.pdfBtn.disabled = false;                            elements.pdfBtn.innerHTML = `<i class="bi bi-file-earmark-pdf-fill me-1"></i>下载 PDF`;                            printFrameEl.onload = null;                        }                    }, 500);                };                printFrameEl.srcdoc = html;            })            .catch(err => {                alert('获取HTML内容失败，无法生成PDF。');                elements.pdfBtn.disabled = false;                elements.pdfBtn.innerHTML = `<i class="bi bi-file-earmark-pdf-fill me-1"></i>下载 PDF`;            });    }    function setPreviewDisplayMode(mode) {        if (previewSplitInstance) {            previewSplitInstance.destroy();            previewSplitInstance = null;        }        const isMobileView = window.innerWidth < 992;        const splitContainer = document.querySelector('.preview-split-container');        originalPreviewContainer.style.display = 'flex';        translatedPreviewContainer.style.display = 'flex';        [originalPreviewContainer, translatedPreviewContainer].forEach(el => {            el.style.width = '';            el.style.height = '';        });        splitContainer.style.flexDirection = isMobileView ? 'column' : 'row';        if (mode === 'bilingual') {            previewOffcanvasLabel.textContent = '双语预览';            if (isMobileView) {                previewSplitInstance = Split(['#originalPreviewContainer', '#translatedPreviewContainer'], {                    direction: 'vertical', sizes: [50, 50], minSize: 150, gutterSize: 10, cursor: 'row-resize',                });            } else {                previewSplitInstance = Split(['#originalPreviewContainer', '#translatedPreviewContainer'], {                    direction: 'horizontal', sizes: [50, 50], minSize: 200, gutterSize: 10, cursor: 'col-resize',                });            }            setBilingualViewBtn.classList.add('btn-primary');            setBilingualViewBtn.classList.remove('btn-outline-primary');            setTranslatedOnlyViewBtn.classList.remove('btn-primary');            setTranslatedOnlyViewBtn.classList.add('btn-outline-primary');        } else { // mode === 'translatedOnly'            previewOffcanvasLabel.textContent = '译文预览';            originalPreviewContainer.style.display = 'none';            if (isMobileView) {                translatedPreviewContainer.style.height = '100%';            } else {                translatedPreviewContainer.style.width = '100%';            }            setTranslatedOnlyViewBtn.classList.add('btn-primary');            setTranslatedOnlyViewBtn.classList.remove('btn-outline-primary');            setBilingualViewBtn.classList.remove('btn-primary');            setBilingualViewBtn.classList.add('btn-outline-primary');        }    }    // --- Password Toggle Functionality ---    function setupPasswordToggle(button) {        const targetId = button.dataset.target;        const passwordInput = document.getElementById(targetId);        const icon = button.querySelector('i');        button.addEventListener('click', () => {            if (passwordInput.type === 'password') {                passwordInput.type = 'text';                icon.classList.remove('bi-eye-slash');                icon.classList.add('bi-eye');            } else {                passwordInput.type = 'password';                icon.classList.remove('bi-eye');                icon.classList.add('bi-eye-slash');            }        });    }    // --- [MODIFIED] Initialization ---    async function init() {        isAdminMode = window.location.pathname === '/admin';        try {            const [metaRes, enginRes, paramsRes] = await Promise.all([                fetch("/service/meta"), fetch('/service/engin-list'), fetch("/service/default-params")            ]);            const meta = await metaRes.json();            versionDisplay.textContent = `v${meta.version}`;            const enginList = await enginRes.json();            // Populate convert engin select            convertEnginSelect.innerHTML = '<option value="">不使用引擎 (源文件为MD)</option>'; // Add a null option            enginList.forEach(engin => {                const option = document.createElement('option');                option.value = engin;                let text = engin;                if (engin === 'mineru') text = 'minerU (云端, 推荐)';                if (engin === 'docling') text = 'Docling (本地)';                option.textContent = text;                convertEnginSelect.appendChild(option);            });            defaultParams = await paramsRes.json();        } catch (error) {            console.error("Initialization failed:", error);            alert("页面初始化失败，请检查后端服务是否正常并刷新页面。");            return;        }        // Restore saved settings        workflowTypeSelect.value = getFromStorage('translator_last_workflow', 'markdown');        platformSelect.value = getFromStorage('translator_last_platform', 'https://api.openai.com/v1');        let storedEngin = getFromStorage('translator_convert_engin', 'mineru');        convertEnginSelect.value = storedEngin;        toLangSelect.value = getFromStorage('translator_to_lang', '中文');        formulaCheckbox.checked = getFromStorage('translator_formula_ocr', 'true') === 'true';        codeCheckbox.checked = getFromStorage('translator_code_ocr', 'true') === 'true';        customPromptTranslateArea.value = getFromStorage("custom_prompt_translate");        // Initial UI updates        updateWorkflowUI();        updatePlatformUI();        updateConvertEnginUI();        // Setup sliders        setupSlider(chunkSizeSlider, chunkSizeDisplay, chunkSizeReset, 'chunk_size', defaultParams);        setupSlider(concurrentSlider, concurrentDisplay, concurrentReset, 'concurrent', defaultParams);        setupSlider(temperatureSlider, temperatureDisplay, temperatureReset, 'temperature', defaultParams);        // Setup other UI elements        document.querySelectorAll('.toggle-password').forEach(button => {            setupPasswordToggle(button);        });        // Restore tasks        if (isAdminMode) {            document.title = "DocuTranslate - Admin Panel";            try {                const response = await fetch('/service/task-list');                if (!response.ok) throw new Error(`Failed to fetch task list: ${response.statusText}`);                const allTaskIds = await response.json();                if (allTaskIds && Array.isArray(allTaskIds) && allTaskIds.length > 0) {                    allTaskIds.reverse().forEach(taskId => createTaskCard(taskId, true));                }            } catch (error) {                console.error("Admin mode: Failed to load task list from server.", error);                alert("无法从服务器加载任务列表，请检查后台连接。");            }            updateTaskPlaceholderVisibility();        } else {            const savedTaskIds = JSON.parse(getFromStorage('active_task_ids', '[]'));            if (savedTaskIds.length > 0) {                savedTaskIds.forEach(taskId => createTaskCard(taskId, true));            } else {                createTaskCard();            }        }        // Add event listeners for saving settings        workflowTypeSelect.addEventListener('change', updateWorkflowUI);        platformSelect.addEventListener('change', updatePlatformUI);        apikeyInput.addEventListener('input', e => saveToStorage(`translator_platform_${platformSelect.value}_apikey`, e.target.value));        modelInput.addEventListener('input', e => saveToStorage(`translator_platform_${platformSelect.value}_model_id`, e.target.value));        baseUrlInput.addEventListener('input', e => {            if (platformSelect.value === 'custom') saveToStorage('translator_platform_custom_base_url', e.target.value);        });        convertEnginSelect.addEventListener('change', updateConvertEnginUI);        mineruTokenInput.addEventListener('input', e => saveToStorage('translator_mineru_token', e.target.value));        toLangSelect.addEventListener('change', e => saveToStorage('translator_to_lang', e.target.value));        formulaCheckbox.addEventListener('change', e => saveToStorage('translator_formula_ocr', e.target.checked));        codeCheckbox.addEventListener('change', e => saveToStorage('translator_code_ocr', e.target.checked));        customPromptTranslateArea.addEventListener('input', () => saveToStorage("custom_prompt_translate", customPromptTranslateArea.value));        // Add task button listener        addNewTaskBtn.addEventListener('click', () => createTaskCard());        // Add preview listeners        setBilingualViewBtn.addEventListener('click', () => setPreviewDisplayMode('bilingual'));        setTranslatedOnlyViewBtn.addEventListener('click', () => setPreviewDisplayMode('translatedOnly'));    }    // --- Theme switcher logic ---    const getPreferredTheme = () => {        const storedTheme = localStorage.getItem('theme');        if (storedTheme) {            return storedTheme;        }        return 'auto';    };    const setTheme = theme => {        if (theme === 'auto') {            document.documentElement.setAttribute('data-bs-theme', window.matchMedia('(prefers-color-scheme: dark)').matches ? 'dark' : 'light');        } else {            document.documentElement.setAttribute('data-bs-theme', theme);        }    };    const showActiveTheme = (theme) => {        document.querySelectorAll('[data-bs-theme-value]').forEach(element => {            element.classList.remove('active');        });        const activeButton = document.querySelector(`[data-bs-theme-value="${theme}"]`);        if (activeButton) {            activeButton.classList.add('active');        }    };    const preferredTheme = getPreferredTheme();    setTheme(preferredTheme);    showActiveTheme(preferredTheme);    window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', () => {        const storedTheme = localStorage.getItem('theme');        if (storedTheme === 'auto' || !storedTheme) {            setTheme('auto');        }    });    document.querySelectorAll('[data-bs-theme-value]').forEach(toggle => {        toggle.addEventListener('click', () => {            const theme = toggle.getAttribute('data-bs-theme-value');            localStorage.setItem('theme', theme);            setTheme(theme);            showActiveTheme(theme);        });    });    // --- Start the application ---    document.addEventListener('DOMContentLoaded', init);</script></body></html>
\ No newline at end of file
+<!DOCTYPE html><html lang="zh-CN" data-bs-theme="auto"><head>    <meta charset="UTF-8">    <meta name="viewport" content="width=device-width, initial-scale=1.0">    <title>DocuTranslate - 交互式文档翻译</title>    <link rel="icon" href="/static/favicon.ico" type="image/x-icon">    <!-- Bootstrap CSS -->    <link href="/static/bootstrap.css" rel="stylesheet" crossorigin="anonymous">    <!-- Bootstrap Icons -->    <link rel="stylesheet" href="/static/bootstrap-icons.css">    <style>        body {            background-color: var(--bs-body-bg);        }        .main-container {            display: flex;            flex-direction: column;            height: 100vh;            padding-top: 1rem;            padding-bottom: 1rem;        }        .settings-panel {            height: calc(100vh - 2rem);            overflow-y: auto;            padding-right: 15px; /* for scrollbar */        }        .task-area {            height: calc(100vh - 2rem);            overflow-y: auto;        }        .task-card {            transition: all 0.3s ease-in-out;        }        .task-id-placeholder {            color: var(--bs-secondary-color);            font-style: italic;        }        .log-area {            height: 150px;            background-color: var(--bs-tertiary-bg);            border: 1px solid var(--bs-border-color);            border-radius: .375rem;            font-family: monospace;            font-size: 0.8rem;            padding: 10px;            overflow-y: auto;            white-space: pre-wrap;            word-break: break-all;        }        .file-drop-area {            border: 2px dashed var(--bs-secondary-bg);            border-radius: .375rem;            padding: 2rem;            text-align: center;            cursor: pointer;            transition: all 0.2s ease-in-out;            background-color: var(--bs-body-bg);        }        .file-drop-area.drag-over {            border-color: var(--bs-primary);            background-color: var(--bs-secondary-bg);        }        .file-drop-area.file-selected {            border-style: solid;            border-color: var(--bs-success);            background-color: var(--bs-success-bg-subtle);        }        .file-drop-area.input-error {            border-color: var(--bs-danger);        }        .file-name-display.input-error-text {            color: var(--bs-danger);            font-weight: bold;        }        #printFrame, #translatedPreviewFrame {            border: none;            width: 100%;        }        #previewOffcanvas {            --bs-offcanvas-width: 95vw;            max-width: 1600px;        }        .preview-split-container {            display: flex;            flex-direction: row;            height: 100%;        }        .preview-pane-wrapper {            display: flex;            flex-direction: column;            overflow: hidden; /* Important for split.js */        }        .preview-pane-wrapper h6 {            flex-shrink: 0;            padding: 0.25rem;        }        .preview-pane-wrapper .preview-pane {            flex-grow: 1; /* Make the inner pane grow */            border: 1px solid var(--bs-border-color);            border-radius: .375rem;            overflow: auto;        }        .gutter {            background-color: var(--bs-tertiary-bg);            background-repeat: no-repeat;            background-position: 50%;        }        .gutter.gutter-horizontal {            cursor: col-resize;            border-left: 1px solid var(--bs-border-color);            border-right: 1px solid var(--bs-border-color);        }        .gutter.gutter-vertical {            cursor: row-resize;            border-top: 1px solid var(--bs-border-color);            border-bottom: 1px solid var(--bs-border-color);        }        .preview-pane iframe, .preview-pane pre {            width: 100%;            height: 95%;            border: none;            margin: 0;            padding: 0;            overflow: auto;            background-color: var(--bs-body-bg);        }        .slider-reset-btn {            visibility: hidden;        }        .theme-switch {            position: fixed;            bottom: 1rem;            left: 1rem;            z-index: 1050;        }        @media (max-width: 991.98px) {            .main-container {                height: auto;                padding-bottom: 6rem;            }            .settings-panel, .task-area {                height: auto;                overflow-y: visible;            }            .settings-panel {                padding-right: 0;                margin-bottom: 2rem;            }        }        @media (max-width: 767.98px) {            .task-card .col-md-7 {                margin-top: 1.5rem;            }            #previewOffcanvas {                --bs-offcanvas-width: 100vw;            }        }    </style></head><body><div class="container-fluid main-container">    <div class="row gx-4">        <!-- Left: Settings Panel -->        <div class="col-lg-4">            <div class="settings-panel">                <div class="d-flex justify-content-between align-items-center mb-3">                    <div class="d-flex align-items-center">                        <h4 class="mb-0 me-3"><i class="bi"></i>DocuTranslate</h4>                        <span id="versionDisplay" class="badge bg-success me-4"></span>                        <div class="btn-group">                            <button type="button" class="btn btn-sm btn-outline-info" data-bs-toggle="modal"                                    data-bs-target="#tutorialModal">                                <i class="bi bi-question-circle-fill me-1"></i>教程                            </button>                            <button type="button" class="btn btn-sm btn-outline-warning" data-bs-toggle="modal"                                    data-bs-target="#contributorsModal">                                <i class="bi bi-people-fill me-1"></i>项目协作                            </button>                        </div>                    </div>                </div>                <form id="translateForm">                    <div class="accordion" id="settingsAccordion">                        <!-- [MODIFIED] Workflow Selection -->                        <div class="accordion-item" id="workflowSettingsContainer">                            <h2 class="accordion-header" id="headingZero">                                <button class="accordion-button" type="button" data-bs-toggle="collapse"                                        data-bs-target="#collapseZero" aria-expanded="true" aria-controls="collapseZero">                                    <strong><i class="bi bi-diagram-3-fill me-2"></i>1. 选择工作流</strong>                                </button>                            </h2>                            <div id="collapseZero" class="accordion-collapse collapse show" aria-labelledby="headingZero">                                <div class="accordion-body">                                    <select class="form-select" id="workflowTypeSelect">                                        <option value="markdown_based">转Markdown再翻译 (.pdf/.md/.png等)</option>                                        <option value="txt">txt翻译 (.txt)</option>                                    </select>                                </div>                            </div>                        </div>                        <!-- [MODIFIED] Parsing Engine Settings Container -->                        <div class="accordion-item" id="parsingSettingsContainer">                            <h2 class="accordion-header" id="headingOne">                                <button class="accordion-button collapsed" type="button" data-bs-toggle="collapse"                                        data-bs-target="#collapseOne" aria-expanded="false" aria-controls="collapseOne">                                    <strong><i class="bi bi-file-earmark-binary me-2"></i>2. 解析配置</strong>                                </button>                            </h2>                            <div id="collapseOne" class="accordion-collapse collapse" aria-labelledby="headingOne">                                <div class="accordion-body">                                    <div class="mb-3">                                        <label for="convert_engin" class="form-label">解析引擎</label>                                        <select class="form-select" id="convert_engin" name="convert_engin">                                            <!-- Options will be populated by JS -->                                        </select>                                        <div class="form-text">如果上传的文件本身是.md格式，此项可不选。</div>                                    </div>                                    <div class="mb-3" id="mineruTokenGroup">                                        <label for="mineru_token" class="form-label">                                            Mineru Token                                            <a href="https://mineru.net/apiManage/token" target="_blank" class="ms-1"                                               title="获取Mineru Token"><i class="bi bi-box-arrow-up-right"></i></a>                                        </label>                                        <div class="input-group">                                            <input type="password" class="form-control" id="mineru_token"                                                   name="mineru_token" placeholder="使用Mineru引擎时需要">                                            <button class="btn btn-outline-secondary toggle-password" type="button"                                                    data-target="mineru_token">                                                <i class="bi bi-eye-slash"></i>                                            </button>                                        </div>                                    </div>                                    <div class="form-check form-switch mb-2">                                        <input class="form-check-input" type="checkbox" role="switch"                                               id="formula_ocr"                                               name="formula_ocr" checked>                                        <label class="form-check-label" for="formula_ocr">公式识别</label>                                    </div>                                    <div class="form-check form-switch mb-2">                                        <input class="form-check-input" type="checkbox" role="switch" id="code_ocr"                                               name="code_ocr" checked>                                        <label class="form-check-label" for="code_ocr">代码识别</label>                                    </div>                                </div>                            </div>                        </div>                        <!-- [MODIFIED] AI Settings -->                        <div class="accordion-item">                            <h2 class="accordion-header" id="headingTwo">                                <button class="accordion-button collapsed" type="button" data-bs-toggle="collapse"                                        data-bs-target="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo">                                    <strong id="aiSettingsTitle"><i class="bi bi-robot me-2"></i>3. 翻译模型</strong>                                </button>                            </h2>                            <div id="collapseTwo" class="accordion-collapse collapse" aria-labelledby="headingTwo">                                <div class="accordion-body">                                    <div class="mb-3">                                        <label for="platform_select" class="form-label">选择平台</label>                                        <select class="form-select" id="platform_select">                                            <option value="custom">自定义接口</option>                                            <option value="https://api.openai.com/v1">OpenAI</option>                                            <option value="https://open.bigmodel.cn/api/paas/v4">智谱AI</option>                                            <option value="https://api.deepseek.com/v1">DeepSeek</option>                                            <option value="https://dashscope.aliyuncs.com/compatible-mode/v1">                                                阿里云百炼                                            </option>                                            <option value="https://www.dmxapi.cn/v1">DMXAPI</option>                                            <option value="https://openrouter.ai/api/v1">OpenRouter</option>                                            <option value="https://ark.cn-beijing.volces.com/api/v3">火山引擎</option>                                            <option value="https://api.siliconflow.cn/v1">硅基流动</option>                                        </select>                                    </div>                                    <div class="mb-3" id="baseUrlGroup">                                        <label for="base_url" class="form-label">API 地址 (Base URL)</label>                                        <input type="url" class="form-control" id="base_url" name="base_url" required>                                    </div>                                    <div class="mb-3">                                        <label for="apikey" class="form-label">                                            API Key                                            <a href="#" target="_blank" class="ms-1" id="api_href"                                               title="获取API Key"><i class="bi bi-box-arrow-up-right"></i></a>                                        </label>                                        <div class="input-group">                                            <input type="password" class="form-control" id="apikey" name="apikey"                                                   required                                                   placeholder="请输入您的API Key">                                            <button class="btn btn-outline-secondary toggle-password" type="button"                                                    data-target="apikey">                                                <i class="bi bi-eye-slash"></i>                                            </button>                                        </div>                                    </div>                                    <div class="mb-3">                                        <label for="model_id" class="form-label">模型 ID</label>                                        <input type="text" class="form-control" id="model_id" name="model_id" required                                               placeholder="例如: gpt-4o, glm-4">                                    </div>                                </div>                            </div>                        </div>                        <!-- [MODIFIED] Translation Settings -->                        <div class="accordion-item">                            <h2 class="accordion-header" id="headingThree">                                <button class="accordion-button collapsed" type="button" data-bs-toggle="collapse"                                        data-bs-target="#collapseThree" aria-expanded="false"                                        aria-controls="collapseThree">                                    <strong id="translationSettingsTitle"><i class="bi bi-translate me-2"></i>4. 翻译配置</strong>                                </button>                            </h2>                            <div id="collapseThree" class="accordion-collapse collapse" aria-labelledby="headingThree">                                <div class="accordion-body">                                    <div class="mb-3">                                        <label for="to_lang" class="form-label">目标语言</label>                                        <select class="form-select" id="to_lang" name="to_lang">                                            <option value="中文">中文(简体中文)</option>                                            <option value="英文">英文(English)</option>                                            <option value="西班牙文">西班牙文(Español)</option>                                            <option value="法文">法文(Français)</option>                                            <option value="德文">德文(Deutsch)</option>                                            <option value="日文">日文(日本語)</option>                                            <option value="韩文">韩文(한국어)</option>                                            <option value="俄文">俄文(Русский)</option>                                            <option value="葡萄牙文">葡萄牙文(Português)</option>                                            <option value="阿拉伯文">العربية(阿拉伯文)</option>                                        </select>                                    </div>                                    <div class="mb-3">                                        <label for="custom_prompt_translate" class="form-label">自定义Prompt</label>                                        <textarea class="form-control" id="custom_prompt_translate"                                                  name="custom_prompt_translate" rows="3"                                                  placeholder="可选，如“人名保持原文不翻译”"></textarea>                                    </div>                                </div>                            </div>                        </div>                        <!-- [MODIFIED] Other Settings -->                        <div class="accordion-item">                            <h2 class="accordion-header" id="headingFour">                                <button class="accordion-button collapsed" type="button" data-bs-toggle="collapse"                                        data-bs-target="#collapseFour" aria-expanded="false"                                        aria-controls="collapseFour">                                    <strong id="advancedSettingsTitle"><i class="bi bi-sliders me-2"></i>5. 高级参数</strong>                                </button>                            </h2>                            <div id="collapseFour" class="accordion-collapse collapse" aria-labelledby="headingFour">                                <div class="accordion-body">                                    <div class="mb-3">                                        <label for="chunk-size-slider"                                               class="form-label d-flex justify-content-between">                                            <span>分块大小: <span id="chunk-size-display"></span></span>                                            <button type="button"                                                    class="btn btn-sm btn-outline-secondary py-0 px-1 slider-reset-btn"                                                    id="chunk-size-reset">重置                                            </button>                                        </label>                                        <input type="range" class="form-range" min="1000" max="6000" step="100"                                               id="chunk-size-slider" name="chunk_size">                                    </div>                                    <div class="mb-3">                                        <label for="concurrent-slider"                                               class="form-label d-flex justify-content-between">                                            <span>并发数: <span id="concurrent-display"></span></span>                                            <button type="button"                                                    class="btn btn-sm btn-outline-secondary py-0 px-1 slider-reset-btn"                                                    id="concurrent-reset">重置                                            </button>                                        </label>                                        <input type="range" class="form-range" min="1" max="60" step="1"                                               id="concurrent-slider" name="concurrent">                                    </div>                                    <div class="mb-3">                                        <label for="temperature-slider"                                               class="form-label d-flex justify-content-between">                                            <span>Temperature: <span id="temperature-display"></span></span>                                            <button type="button"                                                    class="btn btn-sm btn-outline-secondary py-0 px-1 slider-reset-btn"                                                    id="temperature-reset">重置                                            </button>                                        </label>                                        <input type="range" class="form-range" min="0" max="2" step="0.1"                                               id="temperature-slider" name="temperature">                                    </div>                                </div>                            </div>                        </div>                    </div>                </form>                <!-- 项目信息 -->                <div class="mt-4 text-left text-muted small">                    <p class="bi bi-github mb-1">                        GitHub主页(欢迎star❤): <br/>                        <a href="https://github.com/xunbu/docutranslate" target="_blank" rel="noopener noreferrer">https://github.com/xunbu/docutranslate</a>                    </p>                    <p class="bi bi-tencent-qq mb-0">                        交流QQ群: 1047781902                    </p>                </div>            </div>        </div>        <!-- Right: Task Area -->        <div class="col-lg-8">            <div class="task-area" id="task-area-container">                <div class="d-flex justify-content-between align-items-center mb-3">                    <h4 class="mb-0"><i class="bi bi-list-task me-2"></i>任务列表</h4>                    <button class="btn btn-primary" id="addNewTaskBtn"><i class="bi bi-plus-circle-fill me-2"></i>新建任务                    </button>                </div>                <div id="task-container">                    <!-- Task cards will be injected here -->                </div>                <div id="no-task-placeholder" class="text-center text-muted mt-5">                    <i class="bi bi-journal-plus" style="font-size: 4rem;"></i>                    <p class="mt-3">当前没有任务，点击“新建任务”开始吧！</p>                </div>            </div>        </div>    </div></div><!-- Task Card Template --><template id="taskCardTemplate">    <div class="card mb-3 task-card">        <div class="card-header d-flex justify-content-between align-items-center">            <span class="fw-bold">任务 ID: <code class="task-id-display"><span                    class="task-id-placeholder">等待提交...</span></code></span>            <button type="button" class="btn-close remove-task-btn" aria-label="Close"></button>        </div>        <div class="card-body">            <div class="row">                <div class="col-md-5">                    <input type="file" class="d-none file-input">                    <div class="file-drop-area">                        <div class="file-drop-default">                            <i class="bi bi-cloud-arrow-up fs-1"></i>                            <p class="file-drop-prompt mb-0">点击或拖拽文件到此处</p>                        </div>                        <div class="file-drop-selected" style="display: none;">                            <i class="bi bi-check-circle-fill fs-1 text-success"></i>                            <p class="mb-0 mt-2 fw-bold text-success">文件已选择</p>                        </div>                    </div>                    <div class="file-name-display-wrapper mt-2" style="display: none;">                        <span class="fw-bold">文件名: </span>                        <span class="file-name-display text-success"></span>                    </div>                </div>                <div class="col-md-7">                    <h6><i class="bi bi-terminal me-2"></i>日志</h6>                    <div class="log-area"></div>                    <div class="mt-2">                        <div class="status-message-container">                            <span class="status-message small text-muted">等待上传文件...</span>                        </div>                        <div class="progress mt-1" role="progressbar" style="height: 5px; display: none;">                            <div class="progress-bar progress-bar-striped progress-bar-animated"                                 style="width: 100%"></div>                        </div>                    </div>                </div>            </div>        </div>        <div class="card-footer d-flex justify-content-between align-items-center">            <div class="download-buttons" style="display: none;">                <button class="btn btn-sm btn-success preview-html-btn" style="display: none;"><i class="bi bi-eye-fill me-1"></i>预览</button>                <button class="btn btn-sm btn-info download-pdf-btn" style="display: none;"><i class="bi bi-file-earmark-pdf-fill me-1"></i>下载 PDF</button>                <div class="btn-group">                    <button type="button" class="btn btn-sm btn-secondary dropdown-toggle" data-bs-toggle="dropdown"                            aria-expanded="false">                        <i class="bi bi-download me-1"></i>下载其他格式                    </button>                    <ul class="dropdown-menu">                        <li style="display: none;"><a class="dropdown-item download-html-link" href="#"><i                                class="bi bi-filetype-html me-2"></i>HTML</a></li>                        <li style="display: none;"><a class="dropdown-item download-markdown-link" href="#"><i                                class="bi bi-markdown-fill me-2"></i>Markdown(嵌图)</a></li>                        <li style="display: none;"><a class="dropdown-item download-markdown-zip-link" href="#"><i                                class="bi bi-file-zip-fill me-2"></i>Markdown压缩包</a></li>                        <li style="display: none;"><a class="dropdown-item download-txt-link" href="#"><i                                class="bi bi-filetype-txt me-2"></i>TXT</a></li>                    </ul>                </div>            </div>            <button class="btn btn-primary start-translate-btn ms-auto"><i class="bi bi-play-fill me-1"></i>开始翻译            </button>        </div>    </div></template><!-- Preview Offcanvas with Resizable Panes --><div class="offcanvas offcanvas-end" data-bs-scroll="true" tabindex="-1" id="previewOffcanvas"     aria-labelledby="previewOffcanvasLabel">    <div class="offcanvas-header border-bottom">        <h5 class="offcanvas-title" id="previewOffcanvasLabel">预览</h5>        <div class="btn-group me-auto ms-4" role="group">            <button type="button" class="btn btn-sm btn-primary" id="setBilingualViewBtn">双语</button>            <button type="button" class="btn btn-sm btn-outline-primary" id="setTranslatedOnlyViewBtn">仅译文</button>        </div>        <button type="button" class="btn-close" data-bs-dismiss="offcanvas" aria-label="Close"></button>    </div>    <div class="offcanvas-body d-flex flex-column p-2">        <div class="preview-split-container flex-grow-1">            <div id="originalPreviewContainer" class="preview-pane-wrapper">                <h6 class="text-center text-muted small">原文</h6>                <div class="preview-pane" id="originalPreviewPane"></div>            </div>            <div id="translatedPreviewContainer" class="preview-pane-wrapper">                <h6 class="text-center text-muted small">译文</h6>                <div class="preview-pane">                    <iframe id="translatedPreviewFrame" src="about:blank"></iframe>                </div>            </div>        </div>        <div class="offcanvas-footer mt-2 pt-3 border-top d-flex justify-content-end align-items-center">            <button type="button" class="btn btn-secondary" data-bs-dismiss="offcanvas">关闭</button>            <button type="button" class="btn btn-primary ms-2" id="printFromPreview">                <i class="bi bi-printer-fill me-2"></i>打印/保存为PDF            </button>        </div>    </div></div><!-- Hidden iframe for direct PDF printing --><iframe id="printFrame" style="display: none;"></iframe><!-- Theme Switcher --><div class="dropdown theme-switch">    <button class="btn btn-secondary dropdown-toggle" type="button" id="theme-switcher" data-bs-toggle="dropdown"            aria-expanded="false">        <i class="bi bi-circle-half"></i>    </button>    <ul class="dropdown-menu" aria-labelledby="theme-switcher">        <li>            <button class="dropdown-item" type="button" data-bs-theme-value="light"><i class="bi bi-sun-fill me-2"></i>                Light            </button>        </li>        <li>            <button class="dropdown-item" type="button" data-bs-theme-value="dark"><i                    class="bi bi-moon-stars-fill me-2"></i> Dark            </button>        </li>        <li>            <button class="dropdown-item active" type="button" data-bs-theme-value="auto"><i                    class="bi bi-circle-half me-2"></i> Auto            </button>        </li>    </ul></div><!-- Tutorial Modal --><div class="modal fade" id="tutorialModal" tabindex="-1" aria-labelledby="tutorialModalLabel" aria-hidden="true">    <div class="modal-dialog modal-lg modal-dialog-centered modal-dialog-scrollable">        <div class="modal-content">            <div class="modal-header">                <h5 class="modal-title" id="tutorialModalLabel"><i class="bi bi-book-half me-2"></i>使用教程</h5>                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>            </div>            <div class="modal-body">                <p><i class="bi bi-camera-video me-2"></i>视频教程可以在b站搜索 <a                        href="https://search.bilibili.com/all?keyword=docutranslate" target="_blank">docutranslate</a>                    获取</p>                <p>欢迎使用 DocuTranslate！请按照以下步骤完成文档翻译：</p>                <ol>                    <li>                        <strong><i class="bi-diagram-3-fill me-2"></i>选择工作流</strong>                        <p class="mt-2">首先，在配置面板顶部选择您需要的翻译流程。例如，如果您要翻译PDF或Word文档，请选择“转Markdown再翻译”。如果要翻译一个.txt文件，请选择“纯文本翻译”。</p>                    </li>                    <li>                        <strong><i class="bi bi-gear-fill me-2"></i>配置参数</strong>                        <p class="mt-2">根据您选择的工作流，完成相应的配置：</p>                        <ul>                            <li><strong>解析配置</strong> (仅在“文档转Markdown”工作流下显示):                                <ul>                                    <li>选择一个解析引擎。推荐使用 <code>minerU</code> 进行云端解析（支持PDF/Word/PPT/jpg等），如果需要本地解析，可以选择 <code>Docling</code>。</li>                                    <li>如果使用 <code>minerU</code>，请填入您的 <a                                            href="https://mineru.net/apiManage/token">Mineru Token</a>。                                    </li>                                    <li>如果输入文件是markdown文件，该部分可以不进行设置</li>                                </ul>                            </li>                            <li><strong>翻译模型</strong>:                                <ul>                                    <li>选择您的AI服务提供商平台，或选择 <code>自定义接口</code>。</li>                                    <li>填入您的 <code>API Key</code> 和 <code>模型 ID</code>（例如                                        glm-4-flash、deepseek-chat）。                                    </li>                                    <li>API-KEY和模型ID参见对应平台文档。</li>                                    <li>建议使用非推理模型进行翻译。</li>                                </ul>                            </li>                            <li><strong>翻译配置</strong>:                                <ul>                                    <li>选择您希望翻译的 <strong>目标语言</strong>。</li>                                    <li>可以填写自定义Prompt，指导AI进行特定翻译，例如“人名保持原文不翻译”。</li>                                </ul>                            </li>                            <li><strong>高级参数</strong>:                                <ul>                                    <li>通常保持默认即可。</li>                                    <li>并发数指的是每个任务允许多少个并发AI翻译请求，需参照平台模型速率限制进行设置</li>                                </ul>                            </li>                        </ul>                    </li>                    <li>                        <strong><i class="bi bi-file-earmark-arrow-up-fill me-2"></i>上传文件</strong>                        <p class="mt-2">在右侧的任务列表中，点击或拖拽您的文档到文件上传区域。</p>                    </li>                    <li>                        <strong><i class="bi bi-play-circle-fill me-2"></i>开始翻译</strong>                        <p class="mt-2">文件选择成功后，点击任务卡片右下角的 <span                                class="badge bg-primary">开始翻译</span> 按钮。系统将开始处理任务，您可以在日志区域查看实时进度。                        </p>                    </li>                    <li>                        <strong><i class="bi bi-check-circle-fill me-2"></i>查看与下载</strong>                        <p class="mt-2">翻译完成后，任务卡片下方会出现操作按钮（根据文件类型动态显示）：</p>                        <ul>                            <li><span class="badge bg-success"><i class="bi bi-eye-fill me-1"></i>预览</span>:                                在右侧滑出的面板中进行原文和译文的对照预览。                            </li>                            <li><span class="badge bg-info"><i                                    class="bi bi-file-earmark-pdf-fill me-1"></i>下载 PDF</span>: 将译文直接保存为PDF格式。                            </li>                            <li><span class="badge bg-secondary"><i class="bi bi-download me-1"></i>下载其他格式</span>:                                下载HTML、Markdown或TXT等格式的译文。                            </li>                        </ul>                    </li>                </ol>                <div class="alert alert-info mt-3" role="alert">                    <i class="bi bi-info-circle-fill me-2"></i><strong>提示</strong>: 所有配置都会自动保存在您的浏览器本地，方便下次使用。                </div>            </div>            <div class="modal-footer">                <button type="button" class="btn btn-primary" data-bs-dismiss="modal">我明白了</button>            </div>        </div>    </div></div><!-- Contributors Modal --><div class="modal fade" id="contributorsModal" tabindex="-1" aria-labelledby="contributorsModalLabel"     aria-hidden="true">    <div class="modal-dialog modal-dialog-centered">        <div class="modal-content">            <div class="modal-header">                <h5 class="modal-title" id="contributorsModalLabel"><i class="bi bi-heart-fill me-2 text-danger"></i>感谢贡献                </h5>                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>            </div>            <div class="modal-body">                <p>DocuTranslate是一个开源项目！大家的需求与使用是项目进步的动力。</p>                <p>感谢所有资助项目、提交代码与宝贵建议及给项目star的朋友们！</p>                <div class="alert alert-success mt-4" role="alert">                    <p>欢迎通过以下方式参与贡献：</p>                    <hr>                    <p class="mb-0">                        <a href="https://github.com/xunbu/docutranslate" target="_blank"                           class="btn btn-info btn-sm ms-2">                            <i class="bi bi-github me-1"></i>github 主页                        </a>                        <a href="https://github.com/xunbu/docutranslate/pulls" target="_blank"                           class="btn btn-success btn-sm ms-2">                            <i class="bi bi-git me-1"></i>提交 Pull Request                        </a>                        <a href="https://github.com/xunbu/docutranslate/issues" target="_blank"                           class="btn btn-warning btn-sm ms-2">                            <i class="bi bi-bug-fill me-1"></i>报告 Issue                        </a>                    </p>                    <hr>                    <p>或者通过QQ群联系作者：<span>1047781902</span></p>                </div>            </div>            <div class="modal-footer">                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">关闭</button>            </div>        </div>    </div></div><!-- Bootstrap JS --><script src="/static/bootstrap.bundle.min.js" crossorigin="anonymous"></script><!-- Split.js for resizable panes --><script src="/static/split.min.js"></script><script type="module">    // --- [MODIFIED] DOM Elements ---    const settingsForm = document.getElementById('translateForm');    // Workflow elements    const workflowTypeSelect = document.getElementById('workflowTypeSelect');    const parsingSettingsContainer = document.getElementById('parsingSettingsContainer');    const aiSettingsTitle = document.getElementById('aiSettingsTitle');    const 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false;                startPolling(backendTaskId);            } else {                let errorMessage = result.detail || result.message || `请求失败 (${response.status})`;                if (typeof errorMessage === 'object') {                    errorMessage = JSON.stringify(errorMessage);                }                throw new Error(errorMessage);            }        } catch (error) {            state.isSubmitted = false;            console.error('请求失败:', error);            elements.statusMessage.textContent = `启动失败: ${error.message}`;            elements.statusMessage.className = 'status-message small text-danger';            elements.startBtn.innerHTML = `<i class="bi bi-play-fill me-1"></i>开始翻译`;            elements.startBtn.classList.replace('btn-danger', 'btn-primary');            elements.startBtn.disabled = false;            elements.progress.style.display = 'none';            state.isTranslating = false;        }    }    async function cancelTranslation(cardId) {        const task = tasks[cardId];        if (!task || !task.state.backendTaskId) return;        const {elements} = task;        const backendTaskId = task.state.backendTaskId;        elements.startBtn.disabled = true;        elements.startBtn.innerHTML = `<span class="spinner-border spinner-border-sm" role="status" aria-hidden="true"></span> 正在取消...`;        try {            const response = await fetch(`/service/cancel/${backendTaskId}`, {method: 'POST'});            const result = await response.json();            if (response.ok && result.cancelled) {                elements.statusMessage.textContent = result.message || '取消请求已发送。';                elements.statusMessage.className = 'status-message small text-warning';            } else {                throw new Error(result.message || '取消失败');            }        } catch (error) {            elements.statusMessage.textContent = `取消请求失败: ${error.message}`;            elements.statusMessage.className = 'status-message small text-danger';            elements.startBtn.disabled = false;            elements.startBtn.innerHTML = `<i class="bi bi-stop-circle-fill me-1"></i>取消翻译`;        }    }    // --- Polling ---    function startPolling(backendTaskId) {        stopPolling(backendTaskId);        const card = Object.values(tasks).find(t => t.state.backendTaskId === backendTaskId);        if (!card) return;        card.intervals.log = setInterval(() => pollLogs(backendTaskId), 2000);        card.intervals.status = setInterval(() => pollStatus(backendTaskId), 1500);        pollLogs(backendTaskId);        pollStatus(backendTaskId);    }    function stopPolling(backendTaskId) {        const card = Object.values(tasks).find(t => t.state.backendTaskId === backendTaskId);        if (!card) return;        const {intervals} = card;        if (intervals.log) clearInterval(intervals.log);        if (intervals.status) clearInterval(intervals.status);        intervals.log = null;        intervals.status = null;    }    async function pollLogs(backendTaskId) {        const card = Object.values(tasks).find(t => t.state.backendTaskId === backendTaskId);        if (!card) return;        const {elements} = card;        try {            const response = await fetch(`/service/logs/${backendTaskId}`);            if (!response.ok) return;            const data = await response.json();            if (data.logs && data.logs.length > 0) {                elements.logArea.innerHTML += data.logs.map(log => log.replace(/</g, "<").replace(/>/g, ">") + '<br>').join('');                elements.logArea.scrollTop = elements.logArea.scrollHeight;            }        } catch (error) {            console.warn(`[${backendTaskId}] Error polling logs:`, error);        }    }    async function pollStatus(backendTaskId, isRestore = false) {        const card = Object.values(tasks).find(t => t.state.backendTaskId === backendTaskId);        if (!card) {            if (isRestore) {                console.warn(`Restored task ${backendTaskId} not found in UI, removing from storage.`);                const savedTaskIds = JSON.parse(getFromStorage('active_task_ids', '[]'));                const newIds = savedTaskIds.filter(id => id !== backendTaskId);                saveToStorage('active_task_ids', JSON.stringify(newIds));            }            return;        }        const {elements, state} = card;        const cardId = elements.card.dataset.cardId;        try {            const response = await fetch(`/service/status/${backendTaskId}`);            if (!response.ok) {                if (response.status === 404 && isRestore) {                    console.warn(`Task ${backendTaskId} not found on server (404). Removing from UI.`);                    await removeTask(cardId);                }                return;            }            const status = await response.json();            if (status.original_filename && (!state.file || isRestore)) {                elements.fileNameDisplay.textContent = status.original_filename;                elements.fileNameDisplayWrapper.style.display = 'block';            }            elements.statusMessage.textContent = status.status_message || '正在获取状态...';            elements.statusMessage.className = `status-message small ${status.error_flag ? 'text-danger' : 'text-info'}`;            if (!status.is_processing) {                pollLogs(backendTaskId); // Get final logs                stopPolling(backendTaskId);                state.isTranslating = false;                elements.startBtn.disabled = false;                elements.startBtn.innerHTML = `<i class="bi bi-play-fill me-1"></i>重新翻译`;                elements.startBtn.classList.replace('btn-danger', 'btn-primary');                elements.progress.style.display = 'none';                if (status.download_ready && !status.error_flag) {                    elements.statusMessage.className = 'status-message small text-success';                    updateDownloadButtons(cardId, status);                } else {                    elements.downloadButtons.style.display = 'none';                }            } else {                state.isTranslating = true;                elements.startBtn.innerHTML = `<i class="bi bi-stop-circle-fill me-1"></i>取消翻译`;                elements.startBtn.classList.replace('btn-primary', 'btn-danger');                elements.startBtn.disabled = false;                elements.progress.style.display = 'block';                elements.downloadButtons.style.display = 'none';                if (isRestore && !card.intervals.status) {                    startPolling(backendTaskId);                }            }        } catch (error) {            console.error(`[${backendTaskId}] Error polling status:`, error);            elements.statusMessage.textContent = '状态更新出错。';            elements.statusMessage.className = 'status-message small text-danger';        }    }    // --- Download and Preview ---    function updateDownloadButtons(cardId, status) {        const { elements, state } = tasks[cardId];        const { downloads } = status;        const { previewBtn, pdfBtn, htmlLink, mdLink, mdZipLink, txtLink, downloadButtons } = elements;        // Reset visibility first        [previewBtn, pdfBtn].forEach(btn => btn.style.display = 'none');        [htmlLink, mdLink, mdZipLink, txtLink].forEach(link => link.parentElement.style.display = 'none');        downloadButtons.style.display = 'none';        let anyDownloadAvailable = false;        if (downloads.html) {            state.htmlUrl = downloads.html;            state.fileNameStem = status.original_filename_stem;            previewBtn.style.display = 'inline-block';            pdfBtn.style.display = 'inline-block';            htmlLink.href = downloads.html;            htmlLink.parentElement.style.display = 'block';            previewBtn.onclick = () => setupPreview(cardId);            pdfBtn.onclick = () => downloadPdf(cardId);            anyDownloadAvailable = true;        }        if (downloads.markdown) {            mdLink.href = downloads.markdown;            mdLink.parentElement.style.display = 'block';            anyDownloadAvailable = true;        }        if (downloads.markdown_zip) {            mdZipLink.href = downloads.markdown_zip;            mdZipLink.parentElement.style.display = 'block';            anyDownloadAvailable = true;        }        if (downloads.txt) {            txtLink.href = downloads.txt;            txtLink.parentElement.style.display = 'block';            anyDownloadAvailable = true;        }        if (anyDownloadAvailable) {            downloadButtons.style.display = 'flex';        }    }    function setupPreview(cardId) {        const {state} = tasks[cardId];        if (!state.htmlUrl) return;        const existingOriginalContent = originalPreviewPane.querySelector('iframe, pre, p');        if (existingOriginalContent) existingOriginalContent.remove();        translatedPreviewFrame.src = 'about:blank';        translatedPreviewFrame.srcdoc = '<h3><span class="spinner-border spinner-border-sm" role="status" aria-hidden="true"></span> 正在加载译文...</h3>';        setPreviewDisplayMode('bilingual');        previewOffcanvas.show();        if (state.file) {            const fileType = state.file.type;            const fileExtension = state.file.name.split('.').pop().toLowerCase();            const textLikeExtensions = ['md', 'json', 'xml', 'log', 'py', 'js', 'css', 'java', 'c', 'cpp', 'h', 'hpp', 'cs', 'rb', 'php', 'swift', 'kt', 'go', 'rs', 'ts', 'txt'];            if (fileType.startsWith('text/') || textLikeExtensions.includes(fileExtension)) {                const pre = document.createElement('pre');                state.file.text()                    .then(text => pre.textContent = text)                    .catch(() => pre.textContent = '无法读取原文内容。');                originalPreviewPane.appendChild(pre);            } else if (['application/pdf', 'text/html'].includes(fileType) || ['html', 'htm'].includes(fileExtension)) {                const iframe = document.createElement('iframe');                iframe.src = URL.createObjectURL(state.file);                originalPreviewPane.appendChild(iframe);            } else {                const p = document.createElement('p');                p.className = 'p-3 text-muted';                p.textContent = `无法直接预览此文件类型 (${fileType || '未知: ' + fileExtension})。`;                originalPreviewPane.appendChild(p);            }        } else {            const p = document.createElement('p');            p.className = 'p-3 text-muted';            p.textContent = '未找到原文文件缓存。';            originalPreviewPane.appendChild(p);        }        fetch(state.htmlUrl)            .then(resp => resp.ok ? resp.text() : Promise.reject(`HTTP error ${resp.status}`))            .then(html => {                translatedPreviewFrame.srcdoc = html;            })            .catch(err => {                console.error('Preview fetch failed:', err);                translatedPreviewFrame.srcdoc = `<h3>加载译文失败</h3><p>${err.message}</p>`;            });        printFromPreview.onclick = () => {            try {                translatedPreviewFrame.contentWindow.focus();                translatedPreviewFrame.contentWindow.print();            } catch (e) {                alert('打印失败，请使用浏览器打印功能。');            }        };    }    function downloadPdf(cardId) {        const {elements, state} = tasks[cardId];        if (!state.htmlUrl) return;        elements.pdfBtn.disabled = true;        elements.pdfBtn.innerHTML = `<span class="spinner-border spinner-border-sm"></span> 准备中...`;        fetch(state.htmlUrl)            .then(resp => resp.ok ? resp.text() : Promise.reject(`HTTP error ${resp.status}`))            .then(html => {                printFrameEl.onload = () => {                    setTimeout(() => {                        try {                            printFrameEl.contentWindow.focus();                            printFrameEl.contentWindow.print();                        } catch (err) {                            alert('自动打印失败，请在预览中手动打印。');                        } finally {                            elements.pdfBtn.disabled = false;                            elements.pdfBtn.innerHTML = `<i class="bi bi-file-earmark-pdf-fill me-1"></i>下载 PDF`;                            printFrameEl.onload = null;                        }                    }, 500);                };                printFrameEl.srcdoc = html;            })            .catch(err => {                alert('获取HTML内容失败，无法生成PDF。');                elements.pdfBtn.disabled = false;                elements.pdfBtn.innerHTML = `<i class="bi bi-file-earmark-pdf-fill me-1"></i>下载 PDF`;            });    }    function setPreviewDisplayMode(mode) {        if (previewSplitInstance) {            previewSplitInstance.destroy();            previewSplitInstance = null;        }        const isMobileView = window.innerWidth < 992;        const splitContainer = document.querySelector('.preview-split-container');        originalPreviewContainer.style.display = 'flex';        translatedPreviewContainer.style.display = 'flex';        [originalPreviewContainer, translatedPreviewContainer].forEach(el => {            el.style.width = '';            el.style.height = '';        });        splitContainer.style.flexDirection = isMobileView ? 'column' : 'row';        if (mode === 'bilingual') {            previewOffcanvasLabel.textContent = '双语预览';            if (isMobileView) {                previewSplitInstance = Split(['#originalPreviewContainer', '#translatedPreviewContainer'], {                    direction: 'vertical', sizes: [50, 50], minSize: 150, gutterSize: 10, cursor: 'row-resize',                });            } else {                previewSplitInstance = Split(['#originalPreviewContainer', '#translatedPreviewContainer'], {                    direction: 'horizontal', sizes: [50, 50], minSize: 200, gutterSize: 10, cursor: 'col-resize',                });            }            setBilingualViewBtn.classList.add('btn-primary');            setBilingualViewBtn.classList.remove('btn-outline-primary');            setTranslatedOnlyViewBtn.classList.remove('btn-primary');            setTranslatedOnlyViewBtn.classList.add('btn-outline-primary');        } else { // mode === 'translatedOnly'            previewOffcanvasLabel.textContent = '译文预览';            originalPreviewContainer.style.display = 'none';            if (isMobileView) {                translatedPreviewContainer.style.height = '100%';            } else {                translatedPreviewContainer.style.width = '100%';            }            setTranslatedOnlyViewBtn.classList.add('btn-primary');            setTranslatedOnlyViewBtn.classList.remove('btn-outline-primary');            setBilingualViewBtn.classList.remove('btn-primary');            setBilingualViewBtn.classList.add('btn-outline-primary');        }    }    // --- Password Toggle Functionality ---    function setupPasswordToggle(button) {        const targetId = button.dataset.target;        const passwordInput = document.getElementById(targetId);        const icon = button.querySelector('i');        button.addEventListener('click', () => {            if (passwordInput.type === 'password') {                passwordInput.type = 'text';                icon.classList.remove('bi-eye-slash');                icon.classList.add('bi-eye');            } else {                passwordInput.type = 'password';                icon.classList.remove('bi-eye');                icon.classList.add('bi-eye-slash');            }        });    }    // --- [MODIFIED] Initialization ---    async function init() {        isAdminMode = window.location.pathname === '/admin';        try {            const [metaRes, enginRes, paramsRes] = await Promise.all([                fetch("/service/meta"), fetch('/service/engin-list'), fetch("/service/default-params")            ]);            const meta = await metaRes.json();            versionDisplay.textContent = `v${meta.version}`;            const enginList = await enginRes.json();            // Populate convert engin select            convertEnginSelect.innerHTML = '<option value="">不使用引擎 (源文件为MD)</option>'; // Add a null option            enginList.forEach(engin => {                const option = document.createElement('option');                option.value = engin;                let text = engin;                if (engin === 'mineru') text = 'minerU (云端, 推荐)';                if (engin === 'docling') text = 'Docling (本地)';                option.textContent = text;                convertEnginSelect.appendChild(option);            });            defaultParams = await paramsRes.json();        } catch (error) {            console.error("Initialization failed:", error);            alert("页面初始化失败，请检查后端服务是否正常并刷新页面。");            return;        }        // Restore saved settings        workflowTypeSelect.value = getFromStorage('translator_last_workflow', 'markdown_based');        platformSelect.value = getFromStorage('translator_last_platform', 'https://api.openai.com/v1');        convertEnginSelect.value = getFromStorage('translator_convert_engin', 'mineru');        toLangSelect.value = getFromStorage('translator_to_lang', '中文');        formulaCheckbox.checked = getFromStorage('translator_formula_ocr', 'true') === 'true';        codeCheckbox.checked = getFromStorage('translator_code_ocr', 'true') === 'true';        customPromptTranslateArea.value = getFromStorage("custom_prompt_translate");        // Initial UI updates        updateWorkflowUI();        updatePlatformUI();        updateConvertEnginUI();        // Setup sliders        setupSlider(chunkSizeSlider, chunkSizeDisplay, chunkSizeReset, 'chunk_size', defaultParams);        setupSlider(concurrentSlider, concurrentDisplay, concurrentReset, 'concurrent', defaultParams);        setupSlider(temperatureSlider, temperatureDisplay, temperatureReset, 'temperature', defaultParams);        // Setup other UI elements        document.querySelectorAll('.toggle-password').forEach(button => {            setupPasswordToggle(button);        });        // Restore tasks        if (isAdminMode) {            document.title = "DocuTranslate - Admin Panel";            try {                const response = await fetch('/service/task-list');                if (!response.ok) throw new Error(`Failed to fetch task list: ${response.statusText}`);                const allTaskIds = await response.json();                if (allTaskIds && Array.isArray(allTaskIds) && allTaskIds.length > 0) {                    allTaskIds.reverse().forEach(taskId => createTaskCard(taskId, true));                }            } catch (error) {                console.error("Admin mode: Failed to load task list from server.", error);                alert("无法从服务器加载任务列表，请检查后台连接。");            }            updateTaskPlaceholderVisibility();        } else {            const savedTaskIds = JSON.parse(getFromStorage('active_task_ids', '[]'));            if (savedTaskIds.length > 0) {                savedTaskIds.forEach(taskId => createTaskCard(taskId, true));            } else {                createTaskCard();            }        }        // Add event listeners for saving settings        workflowTypeSelect.addEventListener('change', updateWorkflowUI);        platformSelect.addEventListener('change', updatePlatformUI);        apikeyInput.addEventListener('input', e => saveToStorage(`translator_platform_${platformSelect.value}_apikey`, e.target.value));        modelInput.addEventListener('input', e => saveToStorage(`translator_platform_${platformSelect.value}_model_id`, e.target.value));        baseUrlInput.addEventListener('input', e => {            if (platformSelect.value === 'custom') saveToStorage('translator_platform_custom_base_url', e.target.value);        });        convertEnginSelect.addEventListener('change', updateConvertEnginUI);        mineruTokenInput.addEventListener('input', e => saveToStorage('translator_mineru_token', e.target.value));        toLangSelect.addEventListener('change', e => saveToStorage('translator_to_lang', e.target.value));        formulaCheckbox.addEventListener('change', e => saveToStorage('translator_formula_ocr', e.target.checked));        codeCheckbox.addEventListener('change', e => saveToStorage('translator_code_ocr', e.target.checked));        customPromptTranslateArea.addEventListener('input', () => saveToStorage("custom_prompt_translate", customPromptTranslateArea.value));        // Add task button listener        addNewTaskBtn.addEventListener('click', () => createTaskCard());        // Add preview listeners        setBilingualViewBtn.addEventListener('click', () => setPreviewDisplayMode('bilingual'));        setTranslatedOnlyViewBtn.addEventListener('click', () => setPreviewDisplayMode('translatedOnly'));    }    // --- Theme switcher logic ---    const getPreferredTheme = () => {        const storedTheme = localStorage.getItem('theme');        if (storedTheme) {            return storedTheme;        }        return 'auto';    };    const setTheme = theme => {        if (theme === 'auto') {            document.documentElement.setAttribute('data-bs-theme', window.matchMedia('(prefers-color-scheme: dark)').matches ? 'dark' : 'light');        } else {            document.documentElement.setAttribute('data-bs-theme', theme);        }    };    const showActiveTheme = (theme) => {        document.querySelectorAll('[data-bs-theme-value]').forEach(element => {            element.classList.remove('active');        });        const activeButton = document.querySelector(`[data-bs-theme-value="${theme}"]`);        if (activeButton) {            activeButton.classList.add('active');        }    };    const preferredTheme = getPreferredTheme();    setTheme(preferredTheme);    showActiveTheme(preferredTheme);    window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', () => {        const storedTheme = localStorage.getItem('theme');        if (storedTheme === 'auto' || !storedTheme) {            setTheme('auto');        }    });    document.querySelectorAll('[data-bs-theme-value]').forEach(toggle => {        toggle.addEventListener('click', () => {            const theme = toggle.getAttribute('data-bs-theme-value');            localStorage.setItem('theme', theme);            setTheme(theme);            showActiveTheme(theme);        });    });    // --- Start the application ---    document.addEventListener('DOMContentLoaded', init);</script></body></html>
\ No newline at end of file
