Parent: #6265 Depends on: core host and Responses channel. ## Scope - `python/packages/hosting-activity-protocol/**` ## Done when - Activity Protocol channel works against the simplified host API. - Tests use a unique nested test directory with no `tests/__init__.py`. - Package validation passes.
Parent: #6265
Depends on: core host and Responses channel.
Scope
python/packages/hosting-activity-protocol/**Done when
tests/__init__.py.