arc/platforms.md                         |   4 +
 crates/notebook/Cargo.toml               |  12 +-
 crates/notebook/src/background.rs        | 180 ++++++----
 crates/notebook/src/fs.rs                |   5 +
 crates/notebook/src/fs/web.rs            | 103 ++++--
 crates/notebook/src/fs/web/sqlite.rs     |   1 +
 crates/notebook/src/lib.rs               |   1 +
 crates/notebook/src/live.rs              | 126 +------
 crates/notebook/src/live/model.rs        | 149 ++++++++
 crates/notebook/src/live/share.rs        | 438 ++++++++++++++++-------
 crates/notebook/src/live/share/web.rs    | 382 ++++++++++++++++++++
 crates/notebook/src/live/transport.rs    |  22 +-
 crates/notebook/src/live/web.js          |  30 ++
 crates/notebook/src/live/web.rs          | 612 ++++++++++++++++++++++++++++++++
 crates/notebook/src/live/wire.rs         |  96 +++--
 crates/notebook/src/session.rs           |   4 +-
 crates/notebook/src/sync.rs              | 132 +++++--
 crates/notebook/src/task.rs              | 104 +++++-
 crates/notebook/src/worker.rs            |   4 +-
 crates/notebook/tests/live_membership.rs |   4 +-
 crates/notebook/tests/live_share.rs      |   2 +-
 crates/notebook/tests/sync.rs            | 100 ++++++
 crates/snowbound/src/commands.rs         |   1 +
 crates/snowbound/src/live.rs             |  37 +-
 crates/snowbound/src/main.rs             |  33 ++
 crates/snowbound/src/menus.rs            |   2 +-
 crates/snowbound/src/share.rs            |  38 +-
 crates/snowbound/src/sync.rs             |  24 +-
 crates/snowbound/src/web.rs              |  12 +
 crates/snowbound/web/glue.js             |  71 ++--
 crates/snowbound/web/index.html          |   5 +
 tools/ci.py                              |   2 +-
 tools/release_web.py                     |   2 +-
 33 files changed, 2242 insertions(+), 496 deletions(-)