feat(app.js, i18n, index.html): refactor model filtering to chart line selections

- Replaced the model filter dropdown with multiple chart line selectors for improved data visualization.
- Updated event handling to manage changes in chart line selections and refresh chart data accordingly.
- Enhanced internationalization strings for chart line labels in both English and Chinese.
- Adjusted the HTML structure to accommodate the new chart line selection UI.

i18n.js

@@ -46,6 +46,8 @@ const i18n = {
             'common.custom_headers_add': '添加请求头',
             'common.custom_headers_key_placeholder': 'Header 名称，例如 X-Custom-Header',
             'common.custom_headers_value_placeholder': 'Header 值',
+            'common.model_name_placeholder': '模型名称，例如 claude-3-5-sonnet-20241022',
+            'common.model_alias_placeholder': '模型别名 (可选)',
 
             // 页面标题
             'title.main': 'CLI Proxy API Management Center',
@@ -113,6 +115,9 @@ const i18n = {
             'basic_settings.usage_statistics_enable': '启用使用统计',
             'basic_settings.logging_title': '日志记录',
             'basic_settings.logging_to_file_enable': '启用日志记录到文件',
+            'basic_settings.request_log_enable': '启用请求日志',
+            'basic_settings.ws_auth_title': 'WebSocket 鉴权',
+            'basic_settings.ws_auth_enable': '启用 /ws/* 鉴权',
 
             // API 密钥管理
             'api_keys.title': 'API 密钥管理',
@@ -136,14 +141,13 @@ const i18n = {
             'ai_providers.gemini_empty_desc': '点击上方按钮添加第一个密钥',
             'ai_providers.gemini_item_title': 'Gemini密钥',
             'ai_providers.gemini_add_modal_title': '添加Gemini API密钥',
-            'ai_providers.gemini_add_modal_key_label': 'API密钥列表:',
-            'ai_providers.gemini_add_modal_key_placeholder': '请输入Gemini API密钥（每行一个）',
-            'ai_providers.gemini_add_modal_key_hint': '可一次粘贴多个密钥，每行一个。',
-            'ai_providers.gemini_add_modal_url_label': 'Base URL (可选):',
-            'ai_providers.gemini_add_modal_url_placeholder': '例如: https://generativelanguage.googleapis.com',
+            'ai_providers.gemini_add_modal_key_label': 'API密钥',
+            'ai_providers.gemini_add_modal_key_placeholder': '输入 Gemini API 密钥',
+            'ai_providers.gemini_add_modal_key_hint': '逐条输入密钥，可同时指定可选 Base URL。',
+            'ai_providers.gemini_keys_add_btn': '添加密钥',
+            'ai_providers.gemini_base_url_placeholder': '可选 Base URL，如 https://generativelanguage.googleapis.com',
             'ai_providers.gemini_edit_modal_title': '编辑Gemini API密钥',
             'ai_providers.gemini_edit_modal_key_label': 'API密钥:',
-            'ai_providers.gemini_edit_modal_url_label': 'Base URL (可选):',
             'ai_providers.gemini_delete_confirm': '确定要删除这个Gemini密钥吗？',
 
             'ai_providers.codex_title': 'Codex API 配置',
@@ -181,6 +185,10 @@ const i18n = {
             'ai_providers.claude_edit_modal_url_label': 'Base URL (可选):',
             'ai_providers.claude_edit_modal_proxy_label': '代理 URL (可选):',
             'ai_providers.claude_delete_confirm': '确定要删除这个Claude配置吗？',
+            'ai_providers.claude_models_label': '自定义模型 (可选):',
+            'ai_providers.claude_models_hint': '为空表示使用全部模型；可填写 name[, alias] 以限制或重命名模型。',
+            'ai_providers.claude_models_add_btn': '添加模型',
+            'ai_providers.claude_models_count': '模型数量',
 
             'ai_providers.openai_title': 'OpenAI 兼容提供商',
             'ai_providers.openai_add_button': '添加提供商',
@@ -191,10 +199,12 @@ const i18n = {
             'ai_providers.openai_add_modal_name_placeholder': '例如: openrouter',
             'ai_providers.openai_add_modal_url_label': 'Base URL:',
             'ai_providers.openai_add_modal_url_placeholder': '例如: https://openrouter.ai/api/v1',
-            'ai_providers.openai_add_modal_keys_label': 'API密钥 (每行一个):',
-            'ai_providers.openai_add_modal_keys_placeholder': 'sk-key1\nsk-key2',
-            'ai_providers.openai_add_modal_keys_proxy_label': '代理 URL (按行对应，可选):',
-            'ai_providers.openai_add_modal_keys_proxy_placeholder': 'socks5://proxy.example.com:1080\n',
+            'ai_providers.openai_add_modal_keys_label': 'API密钥',
+            'ai_providers.openai_edit_modal_keys_label': 'API密钥',
+            'ai_providers.openai_keys_hint': '每个密钥可搭配一个可选代理地址，更便于管理。',
+            'ai_providers.openai_keys_add_btn': '添加密钥',
+            'ai_providers.openai_key_placeholder': '输入 sk- 开头的密钥',
+            'ai_providers.openai_proxy_placeholder': '可选代理 URL (如 socks5://...)',
             'ai_providers.openai_add_modal_models_label': '模型列表 (name[, alias] 每行一个):',
             'ai_providers.openai_models_hint': '示例：gpt-4o-mini 或 moonshotai/kimi-k2:free, kimi-k2',
             'ai_providers.openai_model_name_placeholder': '模型名称，如 moonshotai/kimi-k2:free',
@@ -203,8 +213,7 @@ const i18n = {
             'ai_providers.openai_edit_modal_title': '编辑OpenAI兼容提供商',
             'ai_providers.openai_edit_modal_name_label': '提供商名称:',
             'ai_providers.openai_edit_modal_url_label': 'Base URL:',
-            'ai_providers.openai_edit_modal_keys_label': 'API密钥 (每行一个):',
-            'ai_providers.openai_edit_modal_keys_proxy_label': '代理 URL (按行对应，可选):',
+            'ai_providers.openai_edit_modal_keys_label': 'API密钥',
             'ai_providers.openai_edit_modal_models_label': '模型列表 (name[, alias] 每行一个):',
             'ai_providers.openai_delete_confirm': '确定要删除这个OpenAI提供商吗？',
             'ai_providers.openai_keys_count': '密钥数量',
@@ -214,11 +223,13 @@ const i18n = {
             // 认证文件管理
             'auth_files.title': '认证文件管理',
             'auth_files.title_section': '认证文件',
-            'auth_files.description': '这里管理 Qwen 和 Gemini 的认证配置文件。上传 JSON 格式的认证文件以启用相应的 AI 服务。',
+            'auth_files.description': '这里集中管理 CLI Proxy 支持的所有 JSON 认证文件（如 Qwen、Gemini、Vertex 等），上传后即可在运行时启用相应的 AI 服务。',
             'auth_files.upload_button': '上传文件',
             'auth_files.delete_all_button': '删除全部',
             'auth_files.empty_title': '暂无认证文件',
             'auth_files.empty_desc': '点击上方按钮上传第一个文件',
+            'auth_files.search_empty_title': '没有匹配的配置文件',
+            'auth_files.search_empty_desc': '请调整筛选条件或清空搜索关键字再试一次。',
             'auth_files.file_size': '大小',
             'auth_files.file_modified': '修改时间',
             'auth_files.download_button': '下载',
@@ -235,6 +246,13 @@ const i18n = {
             'auth_files.delete_filtered_partial': '{type} 认证文件删除完成，成功 {success} 个，失败 {failed} 个',
             'auth_files.delete_filtered_none': '当前筛选类型 ({type}) 下没有可删除的认证文件',
             'auth_files.files_count': '个文件',
+            'auth_files.pagination_prev': '上一页',
+            'auth_files.pagination_next': '下一页',
+            'auth_files.pagination_info': '第 {current} / {total} 页 · 共 {count} 个文件',
+            'auth_files.search_label': '搜索配置文件',
+            'auth_files.search_placeholder': '输入名称、类型或提供方关键字',
+            'auth_files.page_size_label': '单页数量',
+            'auth_files.page_size_unit': '个/页',
             'auth_files.filter_all': '全部',
             'auth_files.filter_qwen': 'Qwen',
             'auth_files.filter_gemini': 'Gemini',
@@ -243,6 +261,7 @@ const i18n = {
             'auth_files.filter_claude': 'Claude',
             'auth_files.filter_codex': 'Codex',
             'auth_files.filter_iflow': 'iFlow',
+            'auth_files.filter_vertex': 'Vertex',
             'auth_files.filter_empty': '空文件',
             'auth_files.filter_unknown': '其他',
             'auth_files.type_qwen': 'Qwen',
@@ -252,8 +271,26 @@ const i18n = {
             'auth_files.type_claude': 'Claude',
             'auth_files.type_codex': 'Codex',
             'auth_files.type_iflow': 'iFlow',
+            'auth_files.type_vertex': 'Vertex',
             'auth_files.type_empty': '空文件',
             'auth_files.type_unknown': '其他',
+            'vertex_import.title': 'Vertex AI 凭证导入',
+            'vertex_import.description': '上传 Google 服务账号 JSON，使用 CLI vertex-import 同步规则写入 auth-dir/vertex-<project>.json。',
+            'vertex_import.location_label': '目标区域 (可选)',
+            'vertex_import.location_placeholder': 'us-central1',
+            'vertex_import.location_hint': '留空表示使用默认区域 us-central1。',
+            'vertex_import.file_label': '服务账号密钥 JSON',
+            'vertex_import.file_hint': '仅支持 Google Cloud service account key JSON 文件，私钥会自动规范化。',
+            'vertex_import.file_placeholder': '尚未选择文件',
+            'vertex_import.choose_file': '选择文件',
+            'vertex_import.import_button': '导入 Vertex 凭证',
+            'vertex_import.file_required': '请先选择 .json 凭证文件',
+            'vertex_import.success': 'Vertex 凭证导入成功',
+            'vertex_import.result_title': '凭证已保存',
+            'vertex_import.result_project': '项目 ID',
+            'vertex_import.result_email': '服务账号',
+            'vertex_import.result_location': '区域',
+            'vertex_import.result_file': '存储文件',
 
 
             // Codex OAuth
@@ -337,6 +374,10 @@ const i18n = {
             'usage_stats.by_hour': '按小时',
             'usage_stats.by_day': '按天',
             'usage_stats.refresh': '刷新',
+            'usage_stats.chart_line_label_1': '曲线 1',
+            'usage_stats.chart_line_label_2': '曲线 2',
+            'usage_stats.chart_line_label_3': '曲线 3',
+            'usage_stats.chart_line_hidden': '不显示',
             'usage_stats.no_data': '暂无数据',
             'usage_stats.loading_error': '加载失败',
             'usage_stats.api_endpoint': 'API端点',
@@ -407,6 +448,8 @@ const i18n = {
             'notification.quota_switch_preview_updated': '预览模型切换设置已更新',
             'notification.usage_statistics_updated': '使用统计设置已更新',
             'notification.logging_to_file_updated': '日志记录设置已更新',
+            'notification.request_log_updated': '请求日志设置已更新',
+            'notification.ws_auth_updated': 'WebSocket 鉴权设置已更新',
             'notification.api_key_added': 'API密钥添加成功',
             'notification.api_key_updated': 'API密钥更新成功',
             'notification.api_key_deleted': 'API密钥删除成功',
@@ -509,6 +552,8 @@ const i18n = {
             'common.custom_headers_add': 'Add Header',
             'common.custom_headers_key_placeholder': 'Header name, e.g. X-Custom-Header',
             'common.custom_headers_value_placeholder': 'Header value',
+            'common.model_name_placeholder': 'Model name, e.g. claude-3-5-sonnet-20241022',
+            'common.model_alias_placeholder': 'Model alias (optional)',
 
             // Page titles
             'title.main': 'CLI Proxy API Management Center',
@@ -576,6 +621,9 @@ const i18n = {
             'basic_settings.usage_statistics_enable': 'Enable usage statistics',
             'basic_settings.logging_title': 'Logging',
             'basic_settings.logging_to_file_enable': 'Enable logging to file',
+            'basic_settings.request_log_enable': 'Enable request logging',
+            'basic_settings.ws_auth_title': 'WebSocket Authentication',
+            'basic_settings.ws_auth_enable': 'Require auth for /ws/*',
 
             // API Keys management
             'api_keys.title': 'API Keys Management',
@@ -600,13 +648,12 @@ const i18n = {
             'ai_providers.gemini_item_title': 'Gemini Key',
             'ai_providers.gemini_add_modal_title': 'Add Gemini API Key',
             'ai_providers.gemini_add_modal_key_label': 'API Keys:',
-            'ai_providers.gemini_add_modal_key_placeholder': 'Enter Gemini API keys (one per line)',
-            'ai_providers.gemini_add_modal_key_hint': 'You can paste multiple keys, one per line.',
-            'ai_providers.gemini_add_modal_url_label': 'Base URL (optional):',
-            'ai_providers.gemini_add_modal_url_placeholder': 'e.g. https://generativelanguage.googleapis.com',
+            'ai_providers.gemini_add_modal_key_placeholder': 'Enter Gemini API key',
+            'ai_providers.gemini_add_modal_key_hint': 'Add keys one by one and optionally specify a Base URL.',
+            'ai_providers.gemini_keys_add_btn': 'Add Key',
+            'ai_providers.gemini_base_url_placeholder': 'Optional Base URL, e.g. https://generativelanguage.googleapis.com',
             'ai_providers.gemini_edit_modal_title': 'Edit Gemini API Key',
             'ai_providers.gemini_edit_modal_key_label': 'API Key:',
-            'ai_providers.gemini_edit_modal_url_label': 'Base URL (optional):',
             'ai_providers.gemini_delete_confirm': 'Are you sure you want to delete this Gemini key?',
 
             'ai_providers.codex_title': 'Codex API Configuration',
@@ -644,6 +691,10 @@ const i18n = {
             'ai_providers.claude_edit_modal_url_label': 'Base URL (Optional):',
             'ai_providers.claude_edit_modal_proxy_label': 'Proxy URL (Optional):',
             'ai_providers.claude_delete_confirm': 'Are you sure you want to delete this Claude configuration?',
+            'ai_providers.claude_models_label': 'Custom Models (Optional):',
+            'ai_providers.claude_models_hint': 'Leave empty to allow all models, or add name[, alias] entries to limit/alias them.',
+            'ai_providers.claude_models_add_btn': 'Add Model',
+            'ai_providers.claude_models_count': 'Models Count',
 
             'ai_providers.openai_title': 'OpenAI Compatible Providers',
             'ai_providers.openai_add_button': 'Add Provider',
@@ -654,10 +705,12 @@ const i18n = {
             'ai_providers.openai_add_modal_name_placeholder': 'e.g.: openrouter',
             'ai_providers.openai_add_modal_url_label': 'Base URL:',
             'ai_providers.openai_add_modal_url_placeholder': 'e.g.: https://openrouter.ai/api/v1',
-            'ai_providers.openai_add_modal_keys_label': 'API Keys (one per line):',
-            'ai_providers.openai_add_modal_keys_placeholder': 'sk-key1\nsk-key2',
-            'ai_providers.openai_add_modal_keys_proxy_label': 'Proxy URL (one per line, optional):',
-            'ai_providers.openai_add_modal_keys_proxy_placeholder': 'socks5://proxy.example.com:1080\n',
+            'ai_providers.openai_add_modal_keys_label': 'API Keys',
+            'ai_providers.openai_edit_modal_keys_label': 'API Keys',
+            'ai_providers.openai_keys_hint': 'Add each key separately with an optional proxy URL to keep things organized.',
+            'ai_providers.openai_keys_add_btn': 'Add Key',
+            'ai_providers.openai_key_placeholder': 'sk-... key',
+            'ai_providers.openai_proxy_placeholder': 'Optional proxy URL (e.g. socks5://...)',
             'ai_providers.openai_add_modal_models_label': 'Model List (name[, alias] one per line):',
             'ai_providers.openai_models_hint': 'Example: gpt-4o-mini or moonshotai/kimi-k2:free, kimi-k2',
             'ai_providers.openai_model_name_placeholder': 'Model name, e.g. moonshotai/kimi-k2:free',
@@ -666,8 +719,7 @@ const i18n = {
             'ai_providers.openai_edit_modal_title': 'Edit OpenAI Compatible Provider',
             'ai_providers.openai_edit_modal_name_label': 'Provider Name:',
             'ai_providers.openai_edit_modal_url_label': 'Base URL:',
-            'ai_providers.openai_edit_modal_keys_label': 'API Keys (one per line):',
-            'ai_providers.openai_edit_modal_keys_proxy_label': 'Proxy URL (one per line, optional):',
+            'ai_providers.openai_edit_modal_keys_label': 'API Keys',
             'ai_providers.openai_edit_modal_models_label': 'Model List (name[, alias] one per line):',
             'ai_providers.openai_delete_confirm': 'Are you sure you want to delete this OpenAI provider?',
             'ai_providers.openai_keys_count': 'Keys Count',
@@ -677,11 +729,13 @@ const i18n = {
             // Auth files management
             'auth_files.title': 'Auth Files Management',
             'auth_files.title_section': 'Auth Files',
-            'auth_files.description': 'Here you can manage authentication configuration files for Qwen and Gemini. Upload JSON format authentication files to enable the corresponding AI services.',
+            'auth_files.description': 'Manage all CLI Proxy JSON auth files here (e.g. Qwen, Gemini, Vertex). Uploading a credential immediately enables the corresponding AI integration.',
             'auth_files.upload_button': 'Upload File',
             'auth_files.delete_all_button': 'Delete All',
             'auth_files.empty_title': 'No Auth Files',
             'auth_files.empty_desc': 'Click the button above to upload the first file',
+            'auth_files.search_empty_title': 'No matching files',
+            'auth_files.search_empty_desc': 'Try changing the filters or clearing the search box.',
             'auth_files.file_size': 'Size',
             'auth_files.file_modified': 'Modified',
             'auth_files.download_button': 'Download',
@@ -698,6 +752,13 @@ const i18n = {
             'auth_files.delete_filtered_partial': '{type} auth files deletion finished: {success} succeeded, {failed} failed',
             'auth_files.delete_filtered_none': 'No deletable auth files under the current filter ({type})',
             'auth_files.files_count': 'files',
+            'auth_files.pagination_prev': 'Previous',
+            'auth_files.pagination_next': 'Next',
+            'auth_files.pagination_info': 'Page {current} / {total} · {count} files',
+            'auth_files.search_label': 'Search configs',
+            'auth_files.search_placeholder': 'Filter by name, type, or provider',
+            'auth_files.page_size_label': 'Per page',
+            'auth_files.page_size_unit': 'items',
             'auth_files.filter_all': 'All',
             'auth_files.filter_qwen': 'Qwen',
             'auth_files.filter_gemini': 'Gemini',
@@ -706,6 +767,7 @@ const i18n = {
             'auth_files.filter_claude': 'Claude',
             'auth_files.filter_codex': 'Codex',
             'auth_files.filter_iflow': 'iFlow',
+            'auth_files.filter_vertex': 'Vertex',
             'auth_files.filter_empty': 'Empty',
             'auth_files.filter_unknown': 'Other',
             'auth_files.type_qwen': 'Qwen',
@@ -715,8 +777,26 @@ const i18n = {
             'auth_files.type_claude': 'Claude',
             'auth_files.type_codex': 'Codex',
             'auth_files.type_iflow': 'iFlow',
+            'auth_files.type_vertex': 'Vertex',
             'auth_files.type_empty': 'Empty',
             'auth_files.type_unknown': 'Other',
+            'vertex_import.title': 'Vertex AI Credential Import',
+            'vertex_import.description': 'Upload a Google service account JSON to store it as auth-dir/vertex-<project>.json using the same rules as the CLI vertex-import helper.',
+            'vertex_import.location_label': 'Region (optional)',
+            'vertex_import.location_placeholder': 'us-central1',
+            'vertex_import.location_hint': 'Leave empty to use the default region us-central1.',
+            'vertex_import.file_label': 'Service account key JSON',
+            'vertex_import.file_hint': 'Only Google Cloud service account key JSON files are accepted.',
+            'vertex_import.file_placeholder': 'No file selected',
+            'vertex_import.choose_file': 'Choose File',
+            'vertex_import.import_button': 'Import Vertex Credential',
+            'vertex_import.file_required': 'Select a .json credential file first',
+            'vertex_import.success': 'Vertex credential imported successfully',
+            'vertex_import.result_title': 'Credential saved',
+            'vertex_import.result_project': 'Project ID',
+            'vertex_import.result_email': 'Service account',
+            'vertex_import.result_location': 'Region',
+            'vertex_import.result_file': 'Persisted file',
 
             // Codex OAuth
             'auth_login.codex_oauth_title': 'Codex OAuth',
@@ -799,6 +879,10 @@ const i18n = {
             'usage_stats.by_hour': 'By Hour',
             'usage_stats.by_day': 'By Day',
             'usage_stats.refresh': 'Refresh',
+            'usage_stats.chart_line_label_1': 'Line 1',
+            'usage_stats.chart_line_label_2': 'Line 2',
+            'usage_stats.chart_line_label_3': 'Line 3',
+            'usage_stats.chart_line_hidden': 'Hide',
             'usage_stats.no_data': 'No Data Available',
             'usage_stats.loading_error': 'Loading Failed',
             'usage_stats.api_endpoint': 'API Endpoint',
@@ -869,6 +953,8 @@ const i18n = {
             'notification.quota_switch_preview_updated': 'Preview model switch settings updated',
             'notification.usage_statistics_updated': 'Usage statistics settings updated',
             'notification.logging_to_file_updated': 'Logging settings updated',
+            'notification.request_log_updated': 'Request logging setting updated',
+            'notification.ws_auth_updated': 'WebSocket authentication setting updated',
             'notification.api_key_added': 'API key added successfully',
             'notification.api_key_updated': 'API key updated successfully',
             'notification.api_key_deleted': 'API key deleted successfully',

index.html

@@ -316,6 +316,32 @@
                                         <span class="toggle-label"
                                             data-i18n="basic_settings.logging_to_file_enable">启用日志记录到文件</span>
                                     </div>
+                                    <div class="toggle-group">
+                                        <label class="toggle-switch">
+                                            <input type="checkbox" id="request-log-toggle">
+                                            <span class="slider"></span>
+                                        </label>
+                                        <span class="toggle-label"
+                                            data-i18n="basic_settings.request_log_enable">启用请求日志</span>
+                                    </div>
+                                </div>
+                            </div>
+
+                            <!-- WebSocket 鉴权 -->
+                            <div class="card">
+                                <div class="card-header">
+                                    <h3><i class="fas fa-shield-alt"></i> <span
+                                            data-i18n="basic_settings.ws_auth_title">WebSocket 鉴权</span></h3>
+                                </div>
+                                <div class="card-content">
+                                    <div class="toggle-group">
+                                        <label class="toggle-switch">
+                                            <input type="checkbox" id="ws-auth-toggle">
+                                            <span class="slider"></span>
+                                        </label>
+                                        <span class="toggle-label"
+                                            data-i18n="basic_settings.ws_auth_enable">启用 /ws/* 鉴权</span>
+                                    </div>
                                 </div>
                             </div>
 
@@ -402,6 +428,51 @@
                                     <div id="openai-providers-list" class="provider-list"></div>
                                 </div>
                             </div>
+
+                            <!-- Vertex AI Credential Import -->
+                            <div class="card" id="vertex-import-card">
+                                <div class="card-header">
+                                    <h3><i class="fas fa-cloud-upload-alt"></i> <span data-i18n="vertex_import.title">Vertex AI 凭证导入</span></h3>
+                                </div>
+                                <div class="card-content">
+                                    <p class="form-hint" data-i18n="vertex_import.description">
+                                        上传 Google 服务账号 JSON 并保存为 vertex-<project>.json。
+                                    </p>
+                                    <div class="form-group">
+                                        <label for="vertex-location" data-i18n="vertex_import.location_label">区域 (可选)</label>
+                                        <input type="text" id="vertex-location" data-i18n-placeholder="vertex_import.location_placeholder" value="us-central1">
+                                        <p class="form-hint" data-i18n="vertex_import.location_hint">留空则使用默认 us-central1。</p>
+                                    </div>
+                                    <div class="form-group">
+                                        <label data-i18n="vertex_import.file_label">服务账号密钥 JSON</label>
+                                        <div class="input-group">
+                                            <input type="text" id="vertex-file-display" readonly data-i18n-placeholder="vertex_import.file_placeholder" placeholder="尚未选择文件">
+                                            <input type="file" id="vertex-file-input" accept=".json" style="display: none;">
+                                            <button type="button" id="vertex-select-file" class="btn btn-secondary">
+                                                <i class="fas fa-file-upload"></i> <span data-i18n="vertex_import.choose_file">选择文件</span>
+                                            </button>
+                                        </div>
+                                        <p class="form-hint" data-i18n="vertex_import.file_hint">仅支持 Google Cloud service account JSON。</p>
+                                    </div>
+                                    <div class="form-actions vertex-import-actions">
+                                        <button type="button" id="vertex-import-btn" class="btn btn-primary" disabled>
+                                            <i class="fas fa-cloud-upload-alt"></i> <span data-i18n="vertex_import.import_button">导入 Vertex 凭证</span>
+                                        </button>
+                                    </div>
+                                    <div id="vertex-import-result" class="vertex-import-result" style="display: none;">
+                                        <div class="vertex-import-result-header">
+                                            <i class="fas fa-check-circle"></i>
+                                            <span data-i18n="vertex_import.result_title">凭证已保存</span>
+                                        </div>
+                                        <ul>
+                                            <li><span data-i18n="vertex_import.result_project">项目 ID</span>: <code id="vertex-result-project">-</code></li>
+                                            <li><span data-i18n="vertex_import.result_email">服务账号</span>: <code id="vertex-result-email">-</code></li>
+                                            <li><span data-i18n="vertex_import.result_location">区域</span>: <code id="vertex-result-location">-</code></li>
+                                            <li><span data-i18n="vertex_import.result_file">存储文件</span>: <code id="vertex-result-file">-</code></li>
+                                        </ul>
+                                    </div>
+                                </div>
+                            </div>
                         </section>
 
                         <!-- 认证文件管理 -->
@@ -432,6 +503,7 @@
                                             <button class="filter-btn" data-type="claude" data-i18n-text="auth_files.filter_claude">Claude</button>
                                             <button class="filter-btn" data-type="codex" data-i18n-text="auth_files.filter_codex">Codex</button>
                                             <button class="filter-btn" data-type="iflow" data-i18n-text="auth_files.filter_iflow">iFlow</button>
+                                            <button class="filter-btn" data-type="vertex" data-i18n-text="auth_files.filter_vertex">Vertex</button>
                                             <button class="filter-btn" data-type="empty" data-i18n-text="auth_files.filter_empty">Empty</button>
                                         </div>
                                     </div>
@@ -447,7 +519,39 @@
                                     </div>
                                 </div>
                                 <div class="card-content">
+                                    <div class="auth-file-toolbar">
+                                        <div class="auth-file-search-group">
+                                            <label for="auth-files-search-input"
+                                                data-i18n="auth_files.search_label">搜索配置文件</label>
+                                            <div class="auth-file-search">
+                                                <i class="fas fa-search"></i>
+                                                <input type="text" id="auth-files-search-input"
+                                                    data-i18n-placeholder="auth_files.search_placeholder"
+                                                    placeholder="搜索文件名或类型">
+                                            </div>
+                                        </div>
+                                        <div class="auth-file-page-size">
+                                            <label for="auth-files-page-size-input"
+                                                data-i18n="auth_files.page_size_label">单页数量</label>
+                                            <div class="page-size-input">
+                                                <input type="number" id="auth-files-page-size-input" min="3" max="60"
+                                                    step="1">
+                                                <span data-i18n="auth_files.page_size_unit">个/页</span>
+                                            </div>
+                                        </div>
+                                    </div>
                                     <div id="auth-files-list" class="file-list file-grid"></div>
+                                    <div id="auth-files-pagination" class="pagination-controls" style="display: none;">
+                                        <button class="btn btn-secondary pagination-btn" data-action="prev">
+                                            <i class="fas fa-chevron-left"></i>
+                                            <span data-i18n="auth_files.pagination_prev">上一页</span>
+                                        </button>
+                                        <div id="auth-files-pagination-info" class="pagination-info">-</div>
+                                        <button class="btn btn-secondary pagination-btn" data-action="next">
+                                            <span data-i18n="auth_files.pagination_next">下一页</span>
+                                            <i class="fas fa-chevron-right"></i>
+                                        </button>
+                                    </div>
                                     <input type="file" id="auth-file-input" accept=".json" style="display: none;">
                                 </div>
                             </div>
@@ -721,6 +825,28 @@
                                 </div>
                             </div>
 
+                            <!-- 图表曲线选择 -->
+                            <div class="usage-filter-bar">
+                                <div class="usage-filter-group">
+                                    <label for="chart-line-select-0" data-i18n="usage_stats.chart_line_label_1">曲线 1</label>
+                                    <select id="chart-line-select-0" class="model-filter-select chart-line-select" data-line-index="0" disabled>
+                                        <option value="none" data-i18n="usage_stats.chart_line_hidden">不显示</option>
+                                    </select>
+                                </div>
+                                <div class="usage-filter-group">
+                                    <label for="chart-line-select-1" data-i18n="usage_stats.chart_line_label_2">曲线 2</label>
+                                    <select id="chart-line-select-1" class="model-filter-select chart-line-select" data-line-index="1" disabled>
+                                        <option value="none" data-i18n="usage_stats.chart_line_hidden">不显示</option>
+                                    </select>
+                                </div>
+                                <div class="usage-filter-group">
+                                    <label for="chart-line-select-2" data-i18n="usage_stats.chart_line_label_3">曲线 3</label>
+                                    <select id="chart-line-select-2" class="model-filter-select chart-line-select" data-line-index="2" disabled>
+                                        <option value="none" data-i18n="usage_stats.chart_line_hidden">不显示</option>
+                                    </select>
+                                </div>
+                            </div>
+
                             <!-- 图表区域 -->
                             <div class="charts-container">
                                 <!-- 请求趋势图 -->

styles.css

@@ -1248,6 +1248,21 @@ body {
     transform: translateY(-1px);
 }
 
+.btn-small.btn-warning {
+    background: #ff9800;
+    color: #fff;
+    border-color: #ff9800;
+    cursor: default;
+}
+
+.btn-small.btn-warning:disabled,
+.btn-small.btn-warning[disabled] {
+    background: #fb8c00;
+    border-color: #fb8c00;
+    color: #fff;
+    opacity: 1;
+}
+
 .btn-small i {
     font-size: 13px;
 }
@@ -1552,6 +1567,33 @@ input:checked+.slider:before {
     gap: 15px;
 }
 
+.pagination-controls {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    gap: 12px;
+    margin-top: 20px;
+    flex-wrap: wrap;
+}
+
+.pagination-btn {
+    gap: 6px;
+    min-width: 120px;
+    justify-content: center;
+    display: inline-flex;
+    align-items: center;
+}
+
+.pagination-btn:disabled {
+    opacity: 0.5;
+    cursor: not-allowed;
+}
+
+.pagination-info {
+    font-size: 0.95rem;
+    color: var(--text-secondary);
+}
+
 /* 响应式：中等屏幕2列 */
 @media (max-width: 1400px) {
     .file-grid {
@@ -1588,6 +1630,93 @@ input:checked+.slider:before {
     white-space: nowrap;
 }
 
+/* 认证文件工具栏 */
+.auth-file-toolbar {
+    display: flex;
+    flex-wrap: wrap;
+    gap: 18px;
+    align-items: flex-end;
+    margin-bottom: 18px;
+}
+
+.auth-file-search-group {
+    flex: 1;
+    min-width: 240px;
+    display: flex;
+    flex-direction: column;
+    gap: 6px;
+}
+
+.auth-file-search-group label,
+.auth-file-page-size label {
+    font-weight: 600;
+    color: var(--text-secondary);
+}
+
+.auth-file-search {
+    display: flex;
+    align-items: center;
+    border: 1px solid var(--border-primary);
+    border-radius: 10px;
+    padding: 0 12px;
+    background: var(--bg-secondary);
+    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.03);
+}
+
+[data-theme="dark"] .auth-file-search {
+    background: var(--bg-tertiary);
+    box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.04);
+}
+
+.auth-file-search i {
+    color: var(--text-tertiary);
+    margin-right: 8px;
+}
+
+.auth-file-search input {
+    border: none;
+    background: transparent;
+    color: var(--text-primary);
+    width: 100%;
+    padding: 10px 0;
+    font-size: 0.95rem;
+}
+
+.auth-file-search input:focus {
+    outline: none;
+}
+
+.auth-file-page-size {
+    min-width: 180px;
+    display: flex;
+    flex-direction: column;
+    gap: 6px;
+}
+
+.page-size-input {
+    display: flex;
+    align-items: center;
+    gap: 8px;
+    border: 1px solid var(--border-primary);
+    border-radius: 10px;
+    padding: 8px 12px;
+    background: var(--bg-quaternary);
+}
+
+.page-size-input input {
+    width: 80px;
+    padding: 6px 8px;
+    border: 1px solid var(--border-secondary);
+    border-radius: 6px;
+    background: var(--bg-primary);
+    color: var(--text-primary);
+}
+
+.page-size-input span {
+    font-size: 0.9rem;
+    color: var(--text-tertiary);
+}
+
 /* 认证文件筛选按钮 */
 .auth-file-filter {
     display: flex;
@@ -2574,6 +2703,42 @@ input:checked+.slider:before {
     margin-bottom: 30px;
 }
 
+.usage-filter-bar {
+    display: flex;
+    justify-content: flex-start;
+    gap: 16px;
+    flex-wrap: wrap;
+    margin-bottom: 20px;
+}
+
+.usage-filter-group {
+    display: flex;
+    flex-direction: column;
+    gap: 6px;
+    min-width: 220px;
+}
+
+.usage-filter-group label {
+    font-weight: 600;
+    color: var(--text-secondary);
+    font-size: 14px;
+}
+
+.model-filter-select {
+    border: 1px solid var(--border-color);
+    border-radius: 10px;
+    padding: 10px 14px;
+    background: var(--bg-primary);
+    color: var(--text-primary);
+    min-height: 40px;
+    font-size: 14px;
+}
+
+.model-filter-select:disabled {
+    opacity: 0.7;
+    cursor: not-allowed;
+}
+
 .stat-card {
     background: var(--card-bg);
     border: 1px solid var(--border-color);
@@ -2811,6 +2976,7 @@ input:checked+.slider:before {
     display: flex;
     flex-direction: column;
     gap: 8px;
+    margin-bottom: 10px;
 }
 
 .model-input-row .input-group {
@@ -2831,10 +2997,44 @@ input:checked+.slider:before {
     align-self: center;
 }
 
+.api-key-input-list {
+    display: flex;
+    flex-direction: column;
+    gap: 8px;
+    margin-bottom: 10px;
+}
+
+.api-key-input-group {
+    display: flex;
+    gap: 8px;
+    width: 100%;
+}
+
+.api-key-input-group .api-key-value-input {
+    flex: 2;
+}
+
+.api-key-input-group .api-key-proxy-input {
+    flex: 1;
+    min-width: 180px;
+}
+
+.api-key-input-group .api-key-remove-btn {
+    align-self: center;
+}
+
+.api-key-input-list + .btn,
+.model-input-list + .btn,
+.header-input-list + .btn {
+    margin-top: 4px;
+    align-self: flex-start;
+}
+
 .header-input-list {
     display: flex;
     flex-direction: column;
     gap: 8px;
+    margin-bottom: 10px;
 }
 
 .header-input-row .header-input-group {
@@ -3758,6 +3958,60 @@ input:checked+.slider:before {
     color: #f472b6;
 }
 
+/* Vertex AI Credential Import */
+.vertex-import-actions {
+    text-align: left;
+    margin-top: 10px;
+}
+
+.vertex-import-result {
+    margin-top: 20px;
+    border: 1px dashed var(--border-primary);
+    border-radius: 12px;
+    padding: 16px;
+    background: var(--bg-quaternary);
+    color: var(--text-primary);
+}
+
+.vertex-import-result-header {
+    display: flex;
+    align-items: center;
+    gap: 8px;
+    font-weight: 600;
+    margin-bottom: 10px;
+    color: var(--success-text);
+}
+
+.vertex-import-result ul {
+    list-style: none;
+    margin: 0;
+    padding: 0;
+}
+
+.vertex-import-result li {
+    margin-bottom: 6px;
+    font-size: 14px;
+    color: var(--text-secondary);
+}
+
+.vertex-import-result code {
+    background: var(--bg-secondary);
+    border-radius: 6px;
+    padding: 2px 6px;
+    font-size: 13px;
+    color: var(--text-primary);
+}
+
+[data-theme="dark"] .vertex-import-result {
+    border-color: rgba(96, 165, 250, 0.4);
+    background: rgba(15, 23, 42, 0.4);
+}
+
+[data-theme="dark"] .vertex-import-result code {
+    background: rgba(7, 11, 22, 0.8);
+    color: #f3f4f6;
+}
+
 /* ===== AI提供商统计徽章样式 ===== */
 
 /* 统计信息容器 */