apps/web/src/components/BranchToolbar.tsx                     |   2 +-
 apps/web/src/components/ChatView.tsx                          | 277 +++++++++++++++--
 apps/web/src/components/chat/ChatComposer.tsx                 |   2 +-
 apps/web/src/components/chat/ComposerBannerStack.tsx          |   2 +-
 apps/web/src/components/chat/MessagesTimeline.logic.ts        |  53 ++++
 apps/web/src/components/chat/MessagesTimeline.test.tsx        |  78 ++++-
 apps/web/src/components/chat/MessagesTimeline.tsx             | 394 ++++++++++++++++++++++--
 apps/web/src/components/chat/timelineScrollAnchoring.test.tsx | 138 +++++++++
 apps/web/src/components/chat/timelineScrollAnchoring.ts       |  78 +++++
 pnpm-lock.yaml                                                | 522 ++++++++++++++++----------------
 10 files changed, 1235 insertions(+), 311 deletions(-)