apps/web/src/components/DiffPanel.tsx |  6 ++-
 apps/web/src/diffFileActions.test.ts  | 75 +++++++++++++++++++++++++++++-
 apps/web/src/diffFileActions.ts       | 79 +++++++++++++++++++++++++++++++-
 3 files changed, 156 insertions(+), 4 deletions(-)