apps/server/src/vcs/GitVcsDriverCore.test.ts           |  73 +++
 apps/server/src/vcs/GitVcsDriverCore.ts                |  31 +-
 apps/web/src/components/ChatView.tsx                   | 133 +-----
 apps/web/src/components/DiffPanel.tsx                  | 781 ++++++++++++++++++--------------
 apps/web/src/components/DiffPanelShell.tsx             |  10 +-
 apps/web/src/components/diffs/AnnotatableFileDiff.tsx  | 211 ++++++++-
 apps/web/src/diffPanelStore.test.ts                    |  68 +++
 apps/web/src/diffPanelStore.ts                         | 139 ++++++
 apps/web/src/diffRouteSearch.test.ts                   |  74 ---
 apps/web/src/diffRouteSearch.ts                        |  39 --
 apps/web/src/index.css                                 |   3 +-
 apps/web/src/lib/baseRefChoices.test.ts                |  52 +++
 apps/web/src/lib/baseRefChoices.ts                     |  61 +++
 apps/web/src/lib/diffRendering.test.ts                 |  55 ++-
 apps/web/src/lib/diffRendering.ts                      |  42 +-
 apps/web/src/rightPanelStore.test.ts                   |  11 -
 apps/web/src/rightPanelStore.ts                        |  10 -
 apps/web/src/routes/_chat.$environmentId.$threadId.tsx |   7 +-
 packages/contracts/src/git.ts                          |   2 +
 packages/contracts/src/review.ts                       |   1 +
 20 files changed, 1179 insertions(+), 624 deletions(-)