records the design for daemon-multiplexed broker presence — every
launched claude session gets its own long-lived presence row owned
by the daemon, identified by a per-launch ephemeral keypair vouched
by the member's stable keypair.
resolves the "two sibling sessions can't see each other in peer list"
gap that surfaced when the bridge tier was deleted in 1.28.0. covers
state machine, broker session_hello handler, parent-attestation
signing, ipc route extension, sequencing (broker first, daemon
flagged, cli third), compat with older builds, and verification
smoke.
~440 loc estimate across cli + daemon + broker. queued for 1.30.0
alongside the launch-wizard refactor.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
