add exception handling to ollama client inference

src/llm/ollama_client.py

@@ -3,23 +3,24 @@
 
 from src.logger import Logger
 
+logger = Logger()
 
 class Ollama:
     @staticmethod
     def list_models():
         try:
             return ollama.list()["models"]
         except httpx.ConnectError:
-            Logger().warning("Ollama server not running, please start the server to use models from Ollama.")
+            logger.warning("Ollama server not running, please start the server to use models from Ollama.")
         except Exception as e:
-            Logger().error(f"Failed to list Ollama models: {e}")
-
+            logger.error(f"Failed to list Ollama models: {e}")
         return []
 
     def inference(self, model_id: str, prompt: str) -> str:
-        response = ollama.generate(
-            model = model_id,
-            prompt = prompt.strip()
-        )
-
-        return response['response']
+        try:
+            response = ollama.generate(model=model_id, prompt=prompt.strip())
+            return response['response']
+        except Exception as e:
+            logger.error(f"Error during model inference: {e}")
+        return ""
+