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Aayush Kataria
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* Add CosmosCheckpointStorage for Python workflow checkpointing Add native Cosmos DB NoSQL support for workflow checkpoint storage in the Python agent-framework-azure-cosmos package, achieving parity with the existing .NET CosmosCheckpointStore. New files: - _checkpoint_storage.py: CosmosCheckpointStorage implementing the CheckpointStorage protocol with 6 methods (save, load, list_checkpoints, delete, get_latest, list_checkpoint_ids) - test_cosmos_checkpoint_storage.py: Unit and integration tests - workflow_checkpointing.py: Sample demonstrating Cosmos DB-backed workflow checkpoint/resume Auth support: - Managed identity / RBAC via Azure credential objects (DefaultAzureCredential, ManagedIdentityCredential, etc.) - Key-based auth via account key string or AZURE_COSMOS_KEY env var - Pre-created CosmosClient or ContainerProxy Key design decisions: - Partition key: /workflow_name for efficient per-workflow queries - Serialization: Reuses encode/decode_checkpoint_value for full Python object fidelity (hybrid JSON + pickle approach) - Container auto-creation via create_container_if_not_exists Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> * Adding cosmos checkpointer * Resolving comments * Fixing builds * Adding sample for history provider and checkpoint storage * Resolving comments * fixing builds * Resolving comments --------- Co-authored-by: Aayush Kataria <aayushkataria@Aayushs-MacBook-Pro-2.local> Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Co-authored-by: Evan Mattson <35585003+moonbox3@users.noreply.github.com>
30a2bc3dcb
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2026-04-09 05:01:41 +00:00
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