feat: 优化首页服务入口与租住业务流程

补齐首页待办跳转、押金支付引导和多类租住服务页面能力，统一租客端关键业务流程体验。

utils/booking-guard.js

@@ -13,11 +13,13 @@ function getGuardText(language = 'zh') {
   return {
     loginTitle: zh ? '提示' : 'Notice',
     loginContent: zh ? '您还未登录，请先登录或注册账号。' : 'Please sign in or register an account first.',
+    loginCancelText: zh ? '取消' : 'Cancel',
     loginConfirmText: zh ? '去登录' : 'Sign In',
     existingBookingTitle: zh ? '已有进行中的预订' : 'Existing Booking',
     existingBookingContent: zh
       ? '您当前状态为“{status}”，请先查看预订详情。'
       : 'Your current booking status is "{status}". Please review the booking detail first.',
+    existingBookingCancelText: zh ? '取消' : 'Cancel',
     viewBooking: zh ? '查看预订' : 'View Booking'
   }
 }
@@ -69,6 +71,7 @@ export function ensureBookingAccess(options = {}) {
     uni.showModal({
       title: options.loginTitle || guardText.loginTitle,
       content: options.loginContent || guardText.loginContent,
+      cancelText: options.loginCancelText || guardText.loginCancelText,
       confirmText: options.loginConfirmText || guardText.loginConfirmText,
       success: (res) => {
         if (res.confirm) {
@@ -89,6 +92,7 @@ export function ensureBookingAccess(options = {}) {
     uni.showModal({
       title: guardText.existingBookingTitle,
       content: guardText.existingBookingContent.replace('{status}', statusText),
+      cancelText: guardText.existingBookingCancelText,
       confirmText: guardText.viewBooking,
       success: (res) => {
         if (res.confirm) {