upd

src/autocomplete-input.js

@@ -21,6 +21,7 @@ import {
     createPrompt,
     useState,
     useKeypress,
+    useEffect,
     usePrefix,
     isEnterKey,
     isTabKey,
@@ -55,9 +56,10 @@ function replaceBuffer(rl, nextValue) {
 
 export const autocompleteInput = createPrompt((config, done) => {
     const theme = makeTheme({}, config.theme);
+    const initial = typeof config.default === 'string' ? config.default : '';
     const [status, setStatus] = useState('idle');
-    const [value, setValue] = useState('');
-    const [term, setTerm] = useState(null); // frozen filter term while the menu is open
+    const [value, setValue] = useState(initial);
+    const [term, setTerm] = useState(termFrom(initial)); // frozen filter term while the menu is open
     const [active, setActive] = useState(0); // highlighted suggestion index
 
     const prefix = usePrefix({ status, theme });
@@ -100,6 +102,13 @@ export const autocompleteInput = createPrompt((config, done) => {
         setActive(0);
     });
 
+    // Prefill the editable readline buffer (and mirror it into `value`) when an
+    // initial value is supplied — used to restore a message that a Ctrl+C
+    // cancelled back into the prompt so it can be edited and resent.
+    useEffect((rl) => {
+        if (initial) rl.write(initial);
+    }, []);
+
     const message = theme.style.message(config.message);
     const formattedValue = status === 'done' ? theme.style.answer(value) : value;