Upload ppt.js

backend/src/routes/ppt.js

@@ -77,7 +77,7 @@ router.get('/:pptId', async (req, res, next) => {
 router.post('/save', async (req, res, next) => {
   try {
     const userId = req.user.userId;
-    const { pptId, title, slides, theme } = req.body;
+    const { pptId, title, slides, theme, viewportSize, viewportRatio } = req.body;
 
     if (!pptId || !slides) {
       return res.status(400).json({ error: 'PPT ID and slides are required' });
@@ -89,6 +89,9 @@ router.post('/save', async (req, res, next) => {
       title: title || '未命名演示文稿',
       slides: slides,
       theme: theme || {},
+      // 保存关键的尺寸信息
+      viewportSize: viewportSize,
+      viewportRatio: viewportRatio,
       createdAt: new Date().toISOString(),
       updatedAt: new Date().toISOString()
     };