diff --git a/.gitignore b/.gitignore
index 5beed3a8..1beb88f8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -58,3 +58,4 @@ flatpak/node-sources.json
 
 # Claude Code local settings
 .claude/settings.local.json
+.claude/worktrees/
diff --git a/vite.config.ts b/vite.config.ts
index 421e45f6..b0c112b5 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -14,6 +14,7 @@ export default defineConfig({
     },
   },
   test: {
-    exclude: ["**/node_modules/**", "**/flatpak/**"],
+    // Nested git worktrees live under .claude, and their tests are not this checkout's
+    exclude: ["**/node_modules/**", "**/flatpak/**", "**/.claude/**"],
   },
 });