Update agent.py

agent.py

@@ -62,11 +62,12 @@ def build_graph():
     """Build the graph"""
     # First create the HuggingFaceEndpoint
     llm_endpoint = HuggingFaceEndpoint(
-        repo_id="mistralai/Mistral-7B-Instruct-v0.2",
+        repo_id="Qwen/Qwen2.5-14B-Instruct",
         huggingfacehub_api_token=HUGGINGFACEHUB_API_TOKEN,
-        temperature=0.1,
-        max_new_tokens=1024,
-        timeout=60,
+        temperature=0.0,         # Maximum determinism
+        max_new_tokens=128,      # Even more restrictive
+        timeout=90,              # Moderate timeout
+        do_sample=False,         # Completely deterministic
     )
 
     # Then wrap it with ChatHuggingFace to get chat model functionality