apps/web/src/components/Sidebar.drag.test.ts    |  616 +++++++++++
 apps/web/src/components/Sidebar.drag.ts         |  175 +++
 apps/web/src/components/Sidebar.logic.test.ts   |  726 ++++++++++++-
 apps/web/src/components/Sidebar.logic.ts        |  276 ++++-
 apps/web/src/components/Sidebar.motion.test.ts  |  339 ++++++
 apps/web/src/components/Sidebar.motion.ts       |  168 +++
 apps/web/src/components/Sidebar.tsx             | 1810 +++++++++++++++++++++-----------
 apps/web/src/hooks/useThreadActions.ts          |   38 +
 apps/web/src/lib/threadSort.ts                  |    1 -
 apps/web/src/state/entities.ts                  |    7 +
 docs/user/thread-sidebar.md                     |   34 +-
 packages/client-runtime/src/state/threadSort.ts |    2 +-
 12 files changed, 3534 insertions(+), 658 deletions(-)