[BREAKING] Python: Observability cleanup (#905)

* Further observability cleanup and update telemetry samples

* Add VS Code Extension config

* Fix unit tests

* Fix unit tests

* Add more comments

* Remove live metric

python/packages/devui/agent_framework_devui/_discovery.py

@@ -40,7 +40,7 @@ class EntityDiscovery:
             logger.info("No Agent Framework entities directory configured")
             return []
 
-        entities_dir = Path(self.entities_dir).resolve()
+        entities_dir = Path(self.entities_dir).resolve()  # noqa: ASYNC240
         await self._scan_entities_directory(entities_dir)
 
         logger.info(f"Discovered {len(self._entities)} Agent Framework entities")
@@ -152,7 +152,7 @@ class EntityDiscovery:
         Args:
             entities_dir: Directory to scan for entities
         """
-        if not entities_dir.exists():
+        if not entities_dir.exists():  # noqa: ASYNC240
             logger.warning(f"Entities directory not found: {entities_dir}")
             return
 
@@ -164,7 +164,7 @@ class EntityDiscovery:
             sys.path.insert(0, entities_dir_str)
 
         # Scan for directories and Python files
-        for item in entities_dir.iterdir():
+        for item in entities_dir.iterdir():  # noqa: ASYNC240
             if item.name.startswith(".") or item.name == "__pycache__":
                 continue