Evan Mattson 97b24990d9 Python: Tighten HandoffBuilder to require Agent instead of SupportsAgentRun (#4301) (#4302) ...

HandoffBuilder.participants() accepted SupportsAgentRun by API contract,
but build() failed at runtime because _prepare_agent_with_handoffs()
requires Agent instances for cloning, tool injection, and middleware.

Fix: Update all public type hints, docstrings, and validation in
HandoffBuilder and HandoffAgentExecutor to require Agent explicitly.
The isinstance check is now performed early in participants() with a
clear error message explaining why Agent is required.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

97b24990d9 · 2026-02-26 20:52:06 +00:00

History

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a2a

Update Python package versions to rc2 (#4258)

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ag-ui

Python: (ag-ui): fix approval payloads being re-processed on subsequent conversation turns (#4232)

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anthropic

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Python: Fix Bedrock embedding test stub missing meta attribute (#4287)

2026-02-26 11:50:40 +09:00

chatkit

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Python: Fix response_format resolution in streaming finalizer (#4291)

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ollama

Update Python package versions to rc2 (#4258)

2026-02-25 19:37:44 +00:00

orchestrations

Python: Tighten HandoffBuilder to require Agent instead of SupportsAgentRun (#4301) (#4302)

2026-02-26 20:52:06 +00:00

purview

Update Python package versions to rc2 (#4258)

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redis

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