Phase B + C + message delivery status.
State: shared key-value store per mesh. set_state pushes changes
to all peers. get_state/list_state for reads. Peers coordinate
through shared facts instead of messages.
Memory: persistent knowledge with full-text search (tsvector).
remember/recall/forget. New peers recall context from past sessions.
message_status: check delivery status with per-recipient detail
(delivered/held/disconnected).
Multicast fix: broadcast and @group messages now push directly to
all connected peers instead of racing through queue drain.
MCP instructions: dynamic identity injection (name, groups, role),
comprehensive tool reference, group coordination guide.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>