Wietse Venema

## Description Ruby 3.0 is now generally available on App Engine standard, this PR updates standard samples. - appengine/standard-analytics - appengine/standard-cloud-tasks - appengine/standard-datastore - appengine/standard-hello_configs - appengine/standard-hello_world - appengine/standard-metadata-server -...

Better document agent control flow patterns for multi-agent

5

Based on feedback in issues https://github.com/google/adk-python/issues/147 ("Multi-Agent Architecture - Goes into sub-agent and not back up to the root agent") and https://github.com/google/adk-python/issues/371 ("Subsequent queries not routed to root agent in...