feat: P4 metrics collector + /api/metrics; P5 from-url generator (cheerio)

src/routes/generate.js

@@ -111,4 +111,23 @@ router.post('/topics-ideas', async (req, res) => {
   }
 });
 
+// POST /api/generate/from-url — прочитать URL и написать пост в стиле канала
+router.post('/from-url', async (req, res) => {
+  try {
+    const { channelId, url } = req.body;
+    const userId = parseInt(req.headers['x-user-id']) || null;
+    if (!channelId || !url) return res.status(400).json({ error: 'channelId and url required' });
+
+    const channel = await channelsSvc.getChannel(userId, channelId);
+    if (!channel) return res.status(404).json({ error: 'Channel not found' });
+
+    const { generateFromUrl } = require('../services/fromUrl');
+    const result = await generateFromUrl({ url, channelId, channel });
+    res.json(result);
+  } catch (err) {
+    console.error('[Route] POST /generate/from-url', err);
+    res.status(500).json({ error: err.message });
+  }
+});
+
 module.exports = router;