Python: [wip]: Prototype foundry hosting workflow adapter#6610
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Pull request overview
Prototypes a hosted workflow “conversation adapter” to manage how workflow checkpoints are restored/written across Responses turns, while ensuring per-request workflow agent state isolation.
Changes:
- Adds
HostedWorkflowConversationAdapter/HostedWorkflowConversationTurnto centralize checkpoint context selection (fresh / previous_response_id / conversation_id) and pruning behavior. - Updates
ResponsesHostServer._handle_inner_workflowto use a per-turn workflow agent copy plus the new adapter for restore/write checkpoint storage decisions. - Extends tests to validate that (a) fresh requests don’t share workflow state and (b)
previous_response_idcontinues from the latest checkpoint; adds dedicated adapter unit tests.
Reviewed changes
Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.
| File | Description |
|---|---|
| python/packages/foundry_hosting/tests/test_responses.py | Updates workflow-hosting tests to account for per-turn workflow agent copying and adds state-continuation/isolation coverage. |
| python/packages/foundry_hosting/tests/test_hosted_workflow_conversation.py | New focused tests for the hosted workflow conversation adapter’s checkpoint planning and pruning behavior. |
| python/packages/foundry_hosting/agent_framework_foundry_hosting/_responses.py | Refactors workflow handling to delegate checkpoint context logic to the new adapter and to run a per-turn copied workflow agent. |
| python/packages/foundry_hosting/agent_framework_foundry_hosting/_hosted_workflow_conversation.py | New adapter module implementing checkpoint storage selection, agent copying, restore, and checkpoint pruning for hosted workflow turns. |
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An example of using a foundry hosted adapter for workflows