Allow hosts to provide agent controllers through ThreadManager - #47808
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copyberry[bot] merged 1 commit intoSep 24, 2026
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## What changed - Add `ThreadManager::with_agent_control_factory` to select a host-owned controller asynchronously using the final thread ID for new and cold-resumed threads. Keep local control as the default, reuse live controllers on warm resume, and preserve parent controllers for internal sessions. - Fail startup on factory errors or when a provided controller's identity does not match the session identity. - Defer root service-tier updates to host controllers until thread registration succeeds, preventing failed starts from changing settings on a shared controller. GitOrigin-RevId: 095afbecfee5d47329038d2a97d0cc0081f181df
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Allow hosts to provide agent controllers through ThreadManager
What changed
ThreadManager::with_agent_control_factoryto select a host-owned controller asynchronously using the final thread ID for new and cold-resumed threads. Keep local control as the default, reuse live controllers on warm resume, and preserve parent controllers for internal sessions.