apps/web/index.html                                          |   5 +-
 apps/web/src/components/AppSidebarLayout.tsx                 |   2 +-
 apps/web/src/components/BranchToolbar.tsx                    | 196 +++++++++++++++++++++++++++++---
 apps/web/src/components/BranchToolbarBranchSelector.tsx      |   9 +-
 apps/web/src/components/BranchToolbarEnvModeSelector.tsx     |   1 +
 apps/web/src/components/BranchToolbarEnvironmentSelector.tsx |   1 +
 apps/web/src/components/ChatView.tsx                         |  67 ++++++-----
 apps/web/src/components/ComposerPromptEditor.tsx             |   6 +-
 apps/web/src/components/chat/ChatHeader.tsx                  |   7 +-
 apps/web/src/components/ui/sidebar.tsx                       |   9 +-
 apps/web/src/index.css                                       |  31 ++++-
 apps/web/src/routes/_chat.$environmentId.$threadId.tsx       |   4 +-
 apps/web/src/routes/_chat.draft.$draftId.tsx                 |   4 +-
 13 files changed, 277 insertions(+), 65 deletions(-)