diff --git a/.changeset/spotty-shirts-tickle.md b/.changeset/spotty-shirts-tickle.md
new file mode 100644
index 0000000..a845151
--- /dev/null
+++ b/.changeset/spotty-shirts-tickle.md
@@ -0,0 +1,2 @@
+---
+---
diff --git a/package.json b/package.json
index 95e9fad..27c2d98 100644
--- a/package.json
+++ b/package.json
@@ -71,6 +71,7 @@
     "build:embed": "vite build -c viewer/vite.embed.config.ts",
     "mcp": "node mcp/server.ts",
     "test": "node --test 'test/**/*.test.ts'",
+    "coverage": "node --test --experimental-test-coverage 'test/**/*.test.ts'",
     "test:e2e": "playwright test",
     "format": "oxfmt --write .",
     "format:check": "oxfmt --check .",