apps/web/src/components/Sidebar.drag.test.ts    | 243 +++++++++++++++++++++++---------
 apps/web/src/components/Sidebar.drag.ts         | 102 ++++++++++----
 apps/web/src/components/Sidebar.pointer.test.ts | 200 ++++++++++++++++++++++++++
 apps/web/src/components/Sidebar.pointer.ts      | 141 ++++++++++++++++++
 apps/web/src/components/Sidebar.tsx             | 145 +++++++++++++------
 apps/web/src/index.css                          |  15 ++
 6 files changed, 704 insertions(+), 142 deletions(-)