apps/web/src/components/pullRequest/PullRequestCodeTab.tsx |  46 ++++++++---
 apps/web/src/lib/diffRendering.test.ts                     | 131 ++++++++++++++++++++++++++++++++
 apps/web/src/lib/diffRendering.ts                          |  68 +++++++++++++++--
 3 files changed, 230 insertions(+), 15 deletions(-)