crates/notebook/src/live.rs                      |  79 ++--
 crates/notebook/src/live/relay.rs                |  29 +-
 crates/notebook/src/live/share.rs                | 426 +++++++++++++------
 crates/notebook/src/live/share/batch.rs          |   4 +
 crates/notebook/src/live/share/handover_tests.rs | 721 ++++++++++++++++++++++++++++++++
 crates/notebook/src/live/share/membership.rs     | 302 +++++++++++--
 crates/notebook/src/live/web.rs                  | 115 +++--
 crates/notebook/tests/live_membership.rs         |   6 +-
 8 files changed, 1440 insertions(+), 242 deletions(-)