diff --git a/.vscode/extensions.json b/.vscode/extensions.json
index 45e0135..0c607fd 100644
--- a/.vscode/extensions.json
+++ b/.vscode/extensions.json
@@ -2,6 +2,8 @@
   "recommendations": [
     "typescriptteam.native-preview",
     "dbaeumer.vscode-eslint",
-    "oxc.oxc-vscode"
+    "oxc.oxc-vscode",
+    "vitest.explorer",
+    "ms-playwright.playwright"
   ]
 }
diff --git a/CLAUDE.md b/CLAUDE.md
index 8d92fd9..1fec2e0 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -14,7 +14,7 @@ Single-package repository providing **utilities for writing tests with Playwrigh
 
 ## Tests
 
-- Unit tests: Vitest, located in `src/__tests__/**/*.test.ts` (`pnpm turbo test:unit`)
+- Unit tests: Vitest, located in `src/**/*.test.ts` (`pnpm turbo test:unit`)
 - Integration tests: Playwright, located in `tests/**/*.spec.ts` (`pnpm turbo test:integration`)
 
 ## Conventions
diff --git a/playwright.config.ts b/playwright.config.ts
index cd19278..1f041e9 100644
--- a/playwright.config.ts
+++ b/playwright.config.ts
@@ -1,6 +1,6 @@
 import { defineConfig, devices } from "@playwright/test";
 
-const isCI = process.env.CI === "true";
+import { isCI } from "./src/environment";
 
 export default defineConfig({
   testDir: "tests",
diff --git a/pnpm-workspace.yaml b/pnpm-workspace.yaml
index 4923206..3b4f933 100644
--- a/pnpm-workspace.yaml
+++ b/pnpm-workspace.yaml
@@ -16,5 +16,4 @@ overrides:
 
 allowBuilds:
   esbuild: false
-  node: true
   node@runtime:24.20.0: true