Add comment on last active upload logic

packages/chat-widget/src/index.tsx

@@ -394,6 +394,11 @@ const isInputDisabled = (responses: Response[]): boolean => {
   return new URLSearchParams(payload).get("nlx:input-disabled") === "true";
 };
 
+/**
+ * IMPORTANT: upload state will get wiped out if there is a newer bot response comes in with different upload configuration.
+ * This is generally the way conversations are intended to work (choice buttons also do not work by default after new messages come in),
+ * and it's worth keeping these limitations in mind when designing/maintaining state management.
+ */
 const findActiveUpload = (responses: Response[]): UploadUrl | null => {
   const lastBotResponse = findLast(
     (response): response is BotResponse => response.type === "bot",