Increase model size limit to 33B

backend/app/services/models.py

@@ -480,8 +480,8 @@ class ModelService(HuggingFaceService):
         )
 
         # Size limits based on precision
-        if model_size > 15:
-            error_msg = "Model too large (limit: 15B)"
+        if model_size > 33:
+            error_msg = "Model too large (limit: 33B)"
             logger.error(LogFormatter.error("Size limit exceeded", error_msg))
             raise Exception(error_msg)