Update agent_service.py

agent_service.py

@@ -317,7 +317,7 @@ class AgentService:
             # gpt-oss-20B: 21B MoE (3.6B active), fast + good quality, Apache 2.0
             response = await client.chat_completion(
                 messages=messages,
-                model="openai/gpt-oss-20B",  # Balance speed & quality
+                model="Qwen/Qwen2.5-32B-Instruct",  # Balance speed & quality
                 max_tokens=1024,
                 temperature=0.7,
                 tools=tools,