Update backend url

main.py

@@ -68,9 +68,9 @@ class HealthcareChatbot:
         self.endpoints_documentation = endpoints_documentation
         self.ollama_base_url = "http://localhost:11434"
         self.model_name = "gemma3"
-        self.BASE_URL = 'https://9f87-197-54-54-66.ngrok-free.app'
+        self.BASE_URL = 'https://f376-197-54-54-66.ngrok-free.app'
         self.headers = {'Content-type': 'application/json'}
-        self.user_id = 'e2fe5655-d6ac-447d-8237-850413288561'
+        self.user_id = '86639f4c-5dfc-441d-b229-084f0fcdd748'
         self.max_retries = 3
         self.retry_delay = 2