refactoring, numbering plan

playwright.config.ts

@@ -8,7 +8,8 @@ const chromiumExecutable =
 	(existsSync('/usr/bin/chromium') ? '/usr/bin/chromium' : undefined);
 
 export default defineConfig({
-	testDir: './tests/e2e',
+	// `tests/unit` holds pure-function specs (no browser); Playwright runs both.
+	testDir: './tests',
 	fullyParallel: false,
 	retries: 0,
 	reporter: 'line',