* refactor.

module/ai/css/configuredminiprogram.css

@@ -30,3 +30,4 @@
 
 .text-muted {flex-shrink: 1;}
 
+textarea.field-type {height: 32px;}

module/ai/js/configuredminiprogram.js

@@ -468,7 +468,8 @@ function updatePromptPreview()
 
     for(let i = 0; i < matches.length; i++)
     {
-        const result = regex.exec(innerHTML)[1];
+        const execArr = regex.exec(innerHTML);
+        const result = execArr[1];
         const fieldIndex = words.get(result);
         const fieldValue = $(`.field-content [data-id="${fieldIndex}"] .field-type`).prop('value');
         if(!fieldValue) continue;