fix: 修复自定义认证密码功能异常 (#771)

fix: 修复自定义认证密码功能异常的问题

- 修复前端属性名错误 (openSettings.auth -> openSettings.needAuth)
- 修复 /open_api/settings 接口被自定义认证拦截的问题

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-authored-by: Claude <noreply@anthropic.com>

worker/src/worker.ts

@@ -52,7 +52,7 @@ app.use('/*', async (c, next) => {
 
 	// check header x-custom-auth
 	const passwords = getPasswords(c);
-	if (passwords && passwords.length > 0) {
+	if (!c.req.path.startsWith("/open_api") && passwords && passwords.length > 0) {
 		const auth = c.req.raw.headers.get("x-custom-auth");
 		if (!auth || !passwords.includes(auth)) {
 			return c.text(msgs.CustomAuthPasswordMsg, 401)