fix: Corregir scroll del emulador y serializacion circular de FindCursor en mongosh

server/api-mongodb.js

@@ -828,8 +828,14 @@ app.post('/api/admin/mongosh', async (req, res) => {
       })();
     `);
 
-    const result = await evalFn(dbProxy, ObjectId);
+    let finalResult = await evalFn(dbProxy, ObjectId);
-    res.json({ result });
+    
+    // Si el resultado es un cursor de MongoDB (ej. db.collection.find()), lo convertimos a array
+    if (finalResult && typeof finalResult === 'object' && typeof finalResult.toArray === 'function') {
+      finalResult = await finalResult.toArray();
+    }
+    
+    res.json({ result: finalResult });
   } catch (err) {
     res.status(400).json({ error: err.message || String(err) });
   }

src/sections/SeccionSistema.tsx

@@ -169,7 +169,7 @@ export function SeccionSistema() {
           <CardContent>
             <div 
               className="bg-gray-900 text-green-400 font-mono text-sm p-4 rounded-md h-[400px] overflow-y-auto flex flex-col gap-1 relative cursor-text group"
-              onClick={() => inputRef.current?.focus()}
+              onClick={() => inputRef.current?.focus({ preventScroll: true })}
             >
               {consoleHistory.length === 0 && (
                 <div className="text-gray-500 italic mb-2">Conectado. Esperando comandos... Ej: db.pacientes.find()</div>
@@ -194,7 +194,7 @@ export function SeccionSistema() {
               <input
                 ref={inputRef}
                 type="text"
-                className="opacity-0 absolute inset-0 w-full h-full pointer-events-none"
+                className="opacity-0 w-[1px] h-[1px] absolute overflow-hidden p-0 m-0 border-0 pointer-events-none"
                 value={mongoshCommand}
                 onChange={(e) => setMongoshCommand(e.target.value)}
                 onKeyDown={handleKeyDown}