Update changelog.

martinpengellyphillips · martinpengellyphillips · commit d33777fafc4a · 2026-01-11T22:19:07.000Z
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 ## [Unreleased]
 
+### Added
+
+- Add testing infrastructure using Vitest for unit tests and Playwright for
+  end-to-end tests.
+
 ### Fixed
 
 - Fix a bug where `createOptions` could create duplicate options if the input
