microsoft / microsoft/agent-framework
.NET: Python: Support durable Foundry-hosted workflows
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Since Jul 16, 2026.
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- Python
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Description
Foundry Hosted Agents need to preserve a single stored background response while an Agent Framework workflow advances through multiple internal supersteps and may be restarted on replacement hosts.
The hosting adapter should:
- synchronize response checkpoints with workflow checkpoints without exposing incomplete workflow state;
- restore the correct workflow checkpoint after a crash or graceful host replacement;
- persist hosted checkpoint and approval state beneath the session's durable home directory;
- preserve emitted outputs and protected reasoning state across response history round-trips;
- recover only eligible stored background responses during shutdown;
- provide local and deployable samples that demonstrate repeated crash recovery within one response.
This issue tracks the durable workflow integration and its regression coverage for Foundry Hosted Agents.
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
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