Examples: parallel fan-out and fan-in

Several calls at once, then merge. Back to the Examples gallery. Files here: 3.

File	Shows	Install	Run	Docs
examples/howto_parallel.py	Parallel retrieval: fan out to several retrievers, merge, stop early, run non-tool work.	pip install agent-adapter	python examples/howto_parallel.py	Parallel retrieval
examples/tutorial_research.py	Tutorial: a research agent from plain functions, parallel retrieval, a model loop, approval.	pip install agent-adapter	python examples/tutorial_research.py	Tutorial: a research agent
examples/viewer_fan_out.py	Record a help-center search (fan-out, join, loop, cache, compression, approval) for the viewer.	pip install agent-adapter	python examples/viewer_fan_out.py	See your runs