[Bug] Team member agents spawned with `name:` parameter lose result signals in mailbox path

Bug Description
When I ask CC to "launch a team to investigate" something, claude-code manages to launch the team-mates but never gets a signal back when they're done. I can arrow through the team-mates sessions and clearly see what they've been doing. But the orchestrator never gets a signal when they're done. When the orchestrator tries to ask for their results, it just gets back an empty response. Nothing. Investigation by claude-code seems to reveal the following: "Found it - and it's neither the version nor your config. The trigger is the name: parameter. Passing it routes the agent through the team/mailbox path, and that path loses the result. Omit it and everything works normally. THe controlled A/B, both spawned in the ame message, same agent type, near-identical trivial tasks: (Without name:) - "Async agent" - <result> arrives fully populated, automatically - 2/2 - (With name:) - team member "via mailbox" - empty idle_notification, result never materializes - 7/7

Environment Info

• Platform: win32
• Terminal: vscode
• Version: 2.1.234
• Feedback ID: 8aa003bc-2acb-4279-bb0f-f62d5c6ee0fc

Errors

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