Remove version tag from Hugging Face model repository in agent.py for consistency.

agent.py

@@ -13,7 +13,7 @@ load_dotenv()
 
 # Base Hugging Face LLM used by the chat wrapper
 base_llm = HuggingFaceEndpoint(
-    repo_id="deepseek-ai/DeepSeek-R1-0528:together",
+    repo_id="deepseek-ai/DeepSeek-R1-0528",
     # deepseek-ai/DeepSeek-OCR:novita
     task="text-generation",
     temperature=0.0,