✨ Added preset theme

frontend/src/i18n/locales/en-US.ts

@@ -166,12 +166,17 @@ export default {
       interface: 'Interface Elements',
       border: 'Borders & Dividers',
       search: 'Search & Matching',
+      // Base Colors
       background: 'Main Background',
       backgroundSecondary: 'Secondary Background',
       surface: 'Panel Background',
+      dropdownBackground: 'Dropdown Background',
+      dropdownBorder: 'Dropdown Border',
+      // Text Colors
       foreground: 'Primary Text',
       foregroundSecondary: 'Secondary Text',
       comment: 'Comments',
+      // Syntax Highlighting - Core
       keyword: 'Keywords',
       string: 'Strings',
       function: 'Functions',
@@ -179,14 +184,25 @@ export default {
       operator: 'Operators',
       variable: 'Variables',
       type: 'Types',
+      // Syntax Highlighting - Extended
+      constant: 'Constants',
+      storage: 'Storage Type',
+      parameter: 'Parameters',
+      class: 'Class Names',
+      heading: 'Headings',
+      invalid: 'Invalid/Error',
+      regexp: 'Regular Expressions',
+      // Interface Elements
       cursor: 'Cursor',
       selection: 'Selection Background',
       selectionBlur: 'Unfocused Selection',
       activeLine: 'Active Line Highlight',
       lineNumber: 'Line Numbers',
       activeLineNumber: 'Active Line Number',
+      // Borders & Dividers
       borderColor: 'Border Color',
       borderLight: 'Light Border',
+      // Search & Matching
       searchMatch: 'Search Match',
       matchingBracket: 'Matching Bracket'
     },
@@ -199,6 +215,7 @@ export default {
     enableTabIndent: 'Enable Tab Indent',
     language: 'Interface Language',
     systemTheme: 'System Theme',
+    presetTheme: 'Preset Theme',
     saveOptions: 'Save Options',
     autoSaveDelay: 'Auto Save Delay (ms)',
     updateSettings: 'Update Settings',

frontend/src/i18n/locales/zh-CN.ts

@@ -166,6 +166,7 @@ export default {
     enableTabIndent: '启用 Tab 缩进',
     language: '界面语言',
     systemTheme: '系统主题',
+    presetTheme: '预设主题',
     saveOptions: '保存选项',
     autoSaveDelay: '自动保存延迟(毫秒)',
     updateSettings: '更新设置',
@@ -206,12 +207,17 @@ export default {
       interface: '界面元素',
       border: '边框分割线',
       search: '搜索匹配',
+      // 基础色调
       background: '主背景色',
       backgroundSecondary: '次要背景色',
       surface: '面板背景',
+      dropdownBackground: '下拉菜单背景',
+      dropdownBorder: '下拉菜单边框',
+      // 文本颜色
       foreground: '主文本色',
       foregroundSecondary: '次要文本色',
       comment: '注释色',
+      // 语法高亮 - 核心
       keyword: '关键字',
       string: '字符串',
       function: '函数名',
@@ -219,14 +225,25 @@ export default {
       operator: '操作符',
       variable: '变量',
       type: '类型',
+      // 语法高亮 - 扩展
+      constant: '常量',
+      storage: '存储类型',
+      parameter: '参数',
+      class: '类名',
+      heading: '标题',
+      invalid: '无效内容',
+      regexp: '正则表达式',
+      // 界面元素
       cursor: '光标',
       selection: '选中背景',
       selectionBlur: '失焦选中背景',
       activeLine: '当前行高亮',
       lineNumber: '行号',
       activeLineNumber: '活动行号',
+      // 边框和分割线
       borderColor: '边框色',
       borderLight: '浅色边框',
+      // 搜索和匹配
       searchMatch: '搜索匹配',
       matchingBracket: '匹配括号'
     },