Notify opted-in stdio MCP servers of auth changes - #43428
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## What changed Advertise the experimental `codex/auth-change` capability for stdio MCP connections with an auth manager. When the server opts in, send `notifications/codex/authChanged` after initialization and on subsequent auth changes, with credential and owner generation counters and no credentials. Track owner changes separately from credential refreshes so consumers can detect login, logout, or user, workspace, and auth-mode changes even when notifications coalesce. Treat credential changes with incomplete owner identity as owner changes as well. Tie the notification watcher to the managed client's lifetime, limit each send to five seconds, and close the connection if a subsequent notification fails. ## Testing Add tests for credential refreshes versus owner changes, coalesced logout and account switches, capability opt-in, notification payloads, and watcher cleanup. GitOrigin-RevId: 35a99f5252bd48ca60a71fbdd1f708a8158e812c
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Notify opted-in stdio MCP servers of auth changes
What changed
Advertise the experimental
codex/auth-changecapability for stdio MCP connections with an auth manager. When the server opts in, sendnotifications/codex/authChangedafter initialization and on subsequent auth changes, with credential and owner generation counters and no credentials.Track owner changes separately from credential refreshes so consumers can detect login, logout, or user, workspace, and auth-mode changes even when notifications coalesce. Treat credential changes with incomplete owner identity as owner changes as well.
Tie the notification watcher to the managed client's lifetime, limit each send to five seconds, and close the connection if a subsequent notification fails.
Testing
Add tests for credential refreshes versus owner changes, coalesced logout and account switches, capability opt-in, notification payloads, and watcher cleanup.