adding chat features, admin features and bug fixes

backend/src/controllers/bookstack.controller.ts

@@ -40,6 +40,24 @@ class BookStackController {
       res.status(500).json({ success: false, message: 'BookStack-Suche fehlgeschlagen' });
     }
   }
+  async getPage(req: Request, res: Response): Promise<void> {
+    if (!environment.bookstack.url) {
+      res.status(200).json({ success: true, data: null, configured: false });
+      return;
+    }
+    const id = parseInt(String(req.params.id), 10);
+    if (isNaN(id) || id <= 0) {
+      res.status(400).json({ success: false, message: 'Ungültige Seiten-ID' });
+      return;
+    }
+    try {
+      const page = await bookstackService.getPageById(id);
+      res.status(200).json({ success: true, data: page, configured: true });
+    } catch (error) {
+      logger.error('BookStackController.getPage error', { error });
+      res.status(500).json({ success: false, message: 'BookStack-Seite konnte nicht geladen werden' });
+    }
+  }
 }
 
 export default new BookStackController();