arc/platforms.md                   |  9 ++--
 crates/notebook/tests/discovery.rs |  3 ++
 crates/notebook/tests/session.rs   | 10 ++--
 crates/notebook/tests/structure.rs | 32 +++++++------
 crates/snowbound/src/library.rs    |  6 +--
 crates/snowbound/src/linux.rs      |  5 ++
 crates/snowbound/src/macos.rs      |  5 ++
 crates/snowbound/src/main.rs       | 10 ++--
 crates/snowbound/src/sidebar.rs    |  4 +-
 crates/snowbound/src/windows.rs    | 82 +++++++++++++++++++++++++-------
 crates/ui/src/shell.rs             | 13 +++--
 crates/ui/src/theme.rs             | 13 ++++-
 12 files changed, 139 insertions(+), 53 deletions(-)