fix: use res.on('close') to avoid premature kill

server.js

@@ -71,7 +71,9 @@ app.post('/api/chat', (req, res) => {
         res.end();
     });
 
-    req.on('close', () => { try { proc.kill(); } catch (e) {} });
+    let finished = false;
+    proc.on('close', () => { finished = true; });
+    res.on('close', () => { if (!finished) try { proc.kill(); } catch (e) {} });
 });
 
 app.listen(8108, () => console.log('sechenov :8108'));