Including a test harness for it, and making sure the cursor is always at the end.

packages/cli/src/ui/components/InputPrompt.tsx

@@ -8,12 +8,14 @@ interface InputPromptProps {
   setQuery: (value: string) => void;
   onSubmit: (value: string) => void;
   isActive: boolean;
+  forceKey: number;
 }
 
 const InputPrompt: React.FC<InputPromptProps> = ({
   query,
   setQuery,
   onSubmit,
+  forceKey,
 }) => {
   const model = getModel();
 
@@ -22,6 +24,7 @@ const InputPrompt: React.FC<InputPromptProps> = ({
       <Text color={'white'}>&gt; </Text>
       <Box flexGrow={1}>
         <TextInput
+          key={forceKey}
           value={query}
           onChange={setQuery}
           onSubmit={onSubmit}