Store user_id in vectordb (#2466)

mem0/client/main.py

@@ -5,17 +5,14 @@ from functools import wraps
 from typing import Any, Dict, List, Optional, Union
 
 import httpx
+import hashlib
 
-from mem0.memory.setup import get_user_id, setup_config
 from mem0.memory.telemetry import capture_client_event
 
 logger = logging.getLogger(__name__)
 
 warnings.filterwarnings("default", category=DeprecationWarning)
 
-# Setup user config
-setup_config()
-
 
 class APIError(Exception):
     """Exception raised for errors in the API."""
@@ -78,11 +75,13 @@ class MemoryClient:
         self.host = host or "https://api.mem0.ai"
         self.org_id = org_id
         self.project_id = project_id
-        self.user_id = get_user_id()
 
         if not self.api_key:
             raise ValueError("Mem0 API Key not provided. Please provide an API Key.")
 
+        # Create MD5 hash of API key for user_id
+        self.user_id = hashlib.md5(self.api_key.encode()).hexdigest()
+
         self.client = httpx.Client(
             base_url=self.host,
             headers={"Authorization": f"Token {self.api_key}", "Mem0-User-ID": self.user_id},