fix: remove duplicate deletePersistentNotification method definition

Co-authored-by: Sunwuyuan <88357633+Sunwuyuan@users.noreply.github.com>

src/components/UrgentNotification.vue

@@ -17,7 +17,10 @@
         </div>
 
         <!-- 发送者信息（使用 Vuetify Card） -->
-        <v-card variant="flat" color="white">
+        <v-card
+          variant="flat"
+          color="white"
+        >
           <v-card-title>发送者信息</v-card-title>
           <v-card-text>
             <v-chip
@@ -26,7 +29,12 @@
               variant="outlined"
               size="small"
             >
-              <v-icon left size="16"> mdi-account </v-icon>
+              <v-icon
+                left
+                size="16"
+              >
+                mdi-account
+              </v-icon>
               {{ senderName }}
             </v-chip>
             <v-chip
@@ -35,7 +43,12 @@
               variant="outlined"
               size="small"
             >
-              <v-icon left size="16"> mdi-devices </v-icon>
+              <v-icon
+                left
+                size="16"
+              >
+                mdi-devices
+              </v-icon>
               {{ deviceType }}
             </v-chip>
             <v-chip
@@ -44,18 +57,33 @@
               variant="outlined"
               size="small"
             >
-              <v-icon left size="16"> mdi-clock </v-icon>
+              <v-icon
+                left
+                size="16"
+              >
+                mdi-clock
+              </v-icon>
               {{ formatTime(currentNotification?.timestamp) }}
             </v-chip>
           </v-card-text>
         </v-card>
 
         <!-- 多通知导航 -->
-        <div v-if="hasMultipleNotifications" class="navigation-controls mt-6">
-          <v-card variant="flat" color="rgba(255,255,255,0.1)">
+        <div
+          v-if="hasMultipleNotifications"
+          class="navigation-controls mt-6"
+        >
+          <v-card
+            variant="flat"
+            color="rgba(255,255,255,0.1)"
+          >
             <v-card-text class="text-center">
               <div class="notification-counter mb-3">
-                <v-chip color="white" variant="flat" size="small">
+                <v-chip
+                  color="white"
+                  variant="flat"
+                  size="small"
+                >
                   {{ notificationCountText }}
                 </v-chip>
               </div>
@@ -88,8 +116,15 @@
 
         <!-- 操作按钮 -->
         <div class="mt-8">
-          <v-btn color="white" size="large" variant="flat" @click="close">
-            <v-icon left> mdi-check </v-icon>
+          <v-btn
+            color="white"
+            size="large"
+            variant="flat"
+            @click="close"
+          >
+            <v-icon left>
+              mdi-check
+            </v-icon>
             我知道了
           </v-btn>
         </div>