Miscellaneous fixes around telemetry, library client and run yaml autogen

Also add a `venv` image-type for llama stack build

llama_stack/distribution/tests/library_client_test.py

@@ -17,7 +17,8 @@ from llama_stack_client.types.agent_create_params import AgentConfig
 
 def main(config_path: str):
     client = LlamaStackAsLibraryClient(config_path)
-    client.initialize()
+    if not client.initialize():
+        return
 
     models = client.models.list()
     print("\nModels:")