commit initial 09-12-2025 39

src/App.js

@@ -123,7 +123,7 @@ function App() {
   const [output, setOutput] = useState("");
   const [prompt, setPrompt] = useState("");
   const [explanation, setExplanation] = useState("");
-
+const [terminalLines, setTerminalLines] = useState([]);
   // legacy small-input & helpers (kept for convenience)
   const [terminalInput, setTerminalInput] = useState("");
   const [stdin, setStdin] = useState("");