Fix AI comment rate limit regression

backend/server.js

@@ -1318,6 +1318,11 @@ function checkAIAutoCommentActionAvailability(profileNumber, settings = getAIAut
         status: currentStatus
       };
     }
+
+    return {
+      ok: true,
+      status: currentStatus
+    };
   });
 
   return check();
@@ -7910,10 +7915,11 @@ app.post('/api/ai/generate-comment', async (req, res) => {
     return res.status(statusCode).json(payload);
   };
 
+  let autoCommentRateLimitStatus = null;
+
   try {
     const { postText, profileNumber, preferredCredentialId } = requestBody;
     const normalizedProfileNumber = sanitizeProfileNumber(profileNumber);
-    let autoCommentRateLimitStatus = null;
 
     if (!postText) {
       return respondWithTrackedError(400, 'postText is required');