fix: gemini temperature

.gitignore

@@ -172,4 +172,6 @@ cython_debug/
 #  option (not recommended) you can uncomment the following to ignore the entire idea folder.
 #.idea/
 
-# End of https://www.toptal.com/developers/gitignore/api/django
+# End of https://www.toptal.com/developers/gitignore/api/django
+
+vella_gcp_luan_credentials.json

_utils/langchain_utils/LLM_class.py

@@ -38,7 +38,7 @@ class LLM:
         return ChatGoogleGenerativeAI(
             api_key=SecretStr(google_api_key),
             model=model,
-            temperature=0,
+            temperature=0.4,
             max_tokens=None,
             timeout=None,
             max_retries=2,