进度条图标自定义

src/app/api/server-config/route.ts

@@ -50,6 +50,9 @@ export async function GET(request: NextRequest) {
     OIDCButtonText: config.SiteConfig.OIDCButtonText || '',
     loginBackgroundImage: config.ThemeConfig?.loginBackgroundImage || '',
     registerBackgroundImage: config.ThemeConfig?.registerBackgroundImage || '',
+    progressThumbType: config.ThemeConfig?.progressThumbType || 'default',
+    progressThumbPresetId: config.ThemeConfig?.progressThumbPresetId || '',
+    progressThumbCustomUrl: config.ThemeConfig?.progressThumbCustomUrl || '',
     // AI配置（只暴露功能开关，不暴露API密钥等敏感信息）
     AIEnabled: config.AIConfig?.Enabled || false,
     AIEnableHomepageEntry: config.AIConfig?.EnableHomepageEntry || false,