Font working

ui/src/components/ParameterField.jsx

@@ -280,6 +280,7 @@ export function ParameterField({ layer, parameter, onParameterChange }) {
         <input
           type="text"
           maxLength={parameter.maxLength ?? 64}
+          placeholder={parameter.defaultValue ? `Default: ${parameter.defaultValue}` : ""}
           value={draftValue ?? ""}
           onFocus={beginInteraction}
           onChange={(event) => sendValue(event.target.value)}