[docs] Minor Docs fixes ( enhancements , restructure ) (#3748)

docs/platform/features/async-mode-default-change.mdx

@@ -161,12 +161,14 @@ You can also retrieve all processed memories at any time:
 
 ```python Python
 # Retrieve all memories for a user
-memories = client.get_all(user_id="user-123")
+# Note: get_all now requires filters
+memories = client.get_all(filters={"AND": [{"user_id": "user-123"}]})
 ```
 
 ```javascript JavaScript
 // Retrieve all memories for a user
-const memories = await client.getAll({ user_id: "user-123" });
+// Note: getAll now requires filters
+const memories = await client.getAll({ filters: {"AND": [{"user_id": "user-123"}]} });
 ```
 
 </CodeGroup>