feat(uiMode): 添加UI模式手动切换功能

src/composables/usePWA.ts

@@ -12,6 +12,16 @@ const globalPwaStatus = ref<{
 const globalLoading = ref(false)
 let initPromise: Promise<void> | null = null
 
+// UI模式设置
+export type UIMode = 'auto' | 'desktop' | 'app'
+const uiMode = ref<UIMode>((localStorage.getItem('ui-mode') as UIMode) || 'auto')
+
+// 设置UI模式
+function setUIMode(mode: UIMode) {
+  uiMode.value = mode
+  localStorage.setItem('ui-mode', mode)
+}
+
 // 全局初始化函数
 async function initializePWAGlobally() {
   if (initPromise) return initPromise
@@ -50,6 +60,8 @@ export function usePWA() {
   })
 
   const appMode = computed(() => {
+    if (uiMode.value === 'app') return true
+    if (uiMode.value === 'desktop') return false
     return pwaMode.value && display.mdAndDown.value
   })
 
@@ -70,6 +82,8 @@ export function usePWA() {
     pwaMode,
     appMode,
     pwaStatus,
+    uiMode,
+    setUIMode,
     loading: globalLoading,
     initializePWA: initializePWAGlobally,
   }

src/composables/usePullDownGesture.ts

@@ -236,16 +236,15 @@ export function usePullDownGesture(options: PullDownOptions = {}) {
     }
   }
 
-  // PWA状态确定后，一次性决定是否添加事件监听器
+  // 监听 appMode 变化动态添加/移除事件监听器
   onMounted(() => {
-    // 等待PWA检测完成后添加事件监听器
-    const stopWatcher = watch(
+    watch(
       appMode,
       newValue => {
         if (newValue) {
           addEventListeners()
-          // PWA状态确定后停止监听
-          stopWatcher()
+        } else {
+          removeEventListeners()
         }
       },
       { immediate: true },