feat: 添加编辑器自定义字体功能

packages/backend/src/repositories/appearance.repository.ts

@@ -58,6 +58,9 @@ const mapRowsToAppearanceSettings = (rows: DbAppearanceSettingsRow[]): Appearanc
                 settings.terminalBackgroundOverlayOpacity = parseFloat(row.value);
                 terminalBackgroundOverlayOpacityFound = true;
                 break;
+            case 'editorFontFamily':
+                settings.editorFontFamily = row.value || null; // 如果为空字符串，则视为 null
+                break;
         }
     }
  
@@ -69,6 +72,7 @@ const mapRowsToAppearanceSettings = (rows: DbAppearanceSettingsRow[]): Appearanc
         terminalFontFamily: settings.terminalFontFamily ?? defaults.terminalFontFamily,
         terminalFontSize: settings.terminalFontSize ?? defaults.terminalFontSize,
         editorFontSize: settings.editorFontSize ?? defaults.editorFontSize,
+        editorFontFamily: settings.editorFontFamily ?? defaults.editorFontFamily,
         terminalBackgroundImage: settings.terminalBackgroundImage ?? defaults.terminalBackgroundImage,
         pageBackgroundImage: settings.pageBackgroundImage ?? defaults.pageBackgroundImage,
         // 修改：只有当数据库中未找到记录时才使用默认值
@@ -91,6 +95,7 @@ const getDefaultAppearanceSettings = (): Omit<AppearanceSettings, '_id'> => {
         terminalFontFamily: 'Consolas, "Courier New", monospace, "Microsoft YaHei", "微软雅黑"',
         terminalFontSize: 14,
         editorFontSize: 14,
+        editorFontFamily: 'Consolas, "Noto Sans SC", "Microsoft YaHei"',
         terminalBackgroundImage: undefined,
         pageBackgroundImage: undefined,
         terminalBackgroundEnabled: true, // 默认启用
@@ -117,6 +122,7 @@ export const ensureDefaultSettingsExist = async (db: sqlite3.Database): Promise<
         { key: 'terminalFontFamily', value: defaults.terminalFontFamily },
         { key: 'terminalFontSize', value: defaults.terminalFontSize },
         { key: 'editorFontSize', value: defaults.editorFontSize },
+        { key: 'editorFontFamily', value: defaults.editorFontFamily },
         { key: 'terminalBackgroundImage', value: defaults.terminalBackgroundImage ?? '' }, // 数据库中使用空字符串
         { key: 'pageBackgroundImage', value: defaults.pageBackgroundImage ?? '' }, // 数据库中使用空字符串
         { key: 'terminalBackgroundEnabled', value: defaults.terminalBackgroundEnabled },

packages/backend/src/services/appearance.service.ts

@@ -69,6 +69,28 @@ export const updateSettings = async (settingsDto: UpdateAppearanceDto): Promise<
       settingsDto.editorFontSize = size;
   }
 
+  // 验证 editorFontFamily (如果提供了)
+  if (settingsDto.hasOwnProperty('editorFontFamily')) {
+    if (settingsDto.editorFontFamily === null) {
+      // 允许用户将字体设置为空 (null)，表示重置或使用默认
+      // 无需额外操作，仓库层会处理 null
+    } else if (typeof settingsDto.editorFontFamily === 'string') {
+      const fontFamily = settingsDto.editorFontFamily;
+      // 校验字体名称格式和长度
+      if (fontFamily.length > 255) {
+        throw new Error('编辑器字体名称过长，最多允许 255 个字符。');
+      }
+
+      if (fontFamily.trim() === '' && fontFamily !== '') {
+  
+      }
+ 
+    } else {
+      // 如果提供了 editorFontFamily 但不是 string 或 null
+      throw new Error('无效的编辑器字体名称类型，应为字符串或 null。');
+    }
+  }
+
   // 验证 terminalBackgroundOverlayOpacity (如果提供了)
   if (settingsDto.terminalBackgroundOverlayOpacity !== undefined && settingsDto.terminalBackgroundOverlayOpacity !== null) {
     const opacity = Number(settingsDto.terminalBackgroundOverlayOpacity);

packages/backend/src/types/appearance.types.ts

@@ -16,6 +16,7 @@ export interface AppearanceSettings {
   terminalBackgroundImage?: string; // 终端背景图片 URL 或路径
   pageBackgroundImage?: string; // 页面背景图片 URL 或路径
   editorFontSize?: number; // 编辑器字体大小 (px)
+  editorFontFamily?: string | null; // Monaco Editor 字体偏好
   terminalBackgroundEnabled?: boolean; // 终端背景是否启用
   terminalBackgroundOverlayOpacity?: number; // 终端背景蒙版透明度 (0-1)
   updatedAt?: number;