Update endpoint for Canvas

src/main/java/com/olympus/hermione/services/CanvasExecutionService.java

@@ -37,7 +37,7 @@ public class CanvasExecutionService {
             olympusChatClient = new GoogleGeminiChatClient();
         } 
         
-        olympusChatClient.init(aiModel.getEndpoint(), aiModel.getApiKey(), aiModel.getMaxTokens());        
+        olympusChatClient.init(aiModel.getFull_path_endpoint(), aiModel.getApiKey(), aiModel.getMaxTokens());        
 
         return olympusChatClient;
     }