refactor: 抽离未读告警状态，不再持久化

src/stores/unread.ts

@@ -0,0 +1,44 @@
+import { initStationAlarms, type LineAlarms, type NdmDeviceAlarmLogResultVO } from '@/apis';
+import { NDM_UNREAD_STORE_ID } from '@/constants';
+import { tryGetDeviceType } from '@/enums';
+import { defineStore } from 'pinia';
+import { computed, shallowRef, triggerRef } from 'vue';
+
+export const useUnreadStore = defineStore(NDM_UNREAD_STORE_ID, () => {
+  // 全线所有车站的未读告警 (来自stomp订阅)
+  const unreadLineAlarms = shallowRef<LineAlarms>({});
+  const unreadAlarmCount = computed(() => {
+    let count = 0;
+    Object.values(unreadLineAlarms.value).forEach((stationAlarms) => {
+      count += stationAlarms['unclassified'].length;
+    });
+    return count;
+  });
+
+  const pushUnreadAlarm = (alarm: NdmDeviceAlarmLogResultVO) => {
+    const stationCode = alarm.stationCode;
+    if (!stationCode) return;
+    if (!unreadLineAlarms.value[stationCode]) {
+      unreadLineAlarms.value[stationCode] = initStationAlarms();
+    }
+    const deviceType = tryGetDeviceType(alarm.deviceType);
+    if (!deviceType) return;
+    const stationAlarms = unreadLineAlarms.value[stationCode];
+    stationAlarms[deviceType].push(alarm);
+    stationAlarms['unclassified'].push(alarm);
+    triggerRef(unreadLineAlarms);
+  };
+
+  const clearUnreadAlarms = () => {
+    unreadLineAlarms.value = {};
+    triggerRef(unreadLineAlarms);
+  };
+
+  return {
+    unreadLineAlarms,
+    unreadAlarmCount,
+
+    pushUnreadAlarm,
+    clearUnreadAlarms,
+  };
+});