refactor(frontend): 完成所有组件的内联SVG统一替换为Icon组件

- 扩展 Icon.vue 组件，新增 60+ 图标路径
  - 导航类: arrowRight, arrowLeft, arrowUp, arrowDown, chevronUp, externalLink
  - 状态类: checkCircle, xCircle, exclamationCircle, exclamationTriangle, infoCircle
  - 用户类: user, userCircle, userPlus, users
  - 文档类: document, clipboard, copy, inbox
  - 操作类: download, upload, filter, sort
  - 安全类: key, lock, shield
  - UI类: menu, calendar, home, terminal, gift, creditCard, mail
  - 数据类: chartBar, trendingUp, database, cube
  - 其他: bolt, sparkles, cloud, server, sun, moon, book 等

- 重构 56 个 Vue 组件，用 Icon 组件替换内联 SVG
  - 净减少约 2200 行代码
  - 提升代码可维护性和一致性
  - 统一图标样式和尺寸管理

frontend/src/components/account/AccountStatusIndicator.vue

@@ -48,13 +48,7 @@
       <span
         class="inline-flex items-center gap-1 rounded bg-amber-100 px-1.5 py-0.5 text-xs font-medium text-amber-700 dark:bg-amber-900/30 dark:text-amber-400"
       >
-        <svg class="h-3 w-3" fill="none" viewBox="0 0 24 24" stroke="currentColor" stroke-width="2">
-          <path
-            stroke-linecap="round"
-            stroke-linejoin="round"
-            d="M12 9v2m0 4h.01m-6.938 4h13.856c1.54 0 2.502-1.667 1.732-3L13.732 4c-.77-1.333-2.694-1.333-3.464 0L3.34 16c-.77 1.333.192 3 1.732 3z"
-          />
-        </svg>
+        <Icon name="exclamationTriangle" size="xs" :stroke-width="2" />
         429
       </span>
       <!-- Tooltip -->
@@ -73,13 +67,7 @@
       <span
         class="inline-flex items-center gap-1 rounded bg-red-100 px-1.5 py-0.5 text-xs font-medium text-red-700 dark:bg-red-900/30 dark:text-red-400"
       >
-        <svg class="h-3 w-3" fill="none" viewBox="0 0 24 24" stroke="currentColor" stroke-width="2">
-          <path
-            stroke-linecap="round"
-            stroke-linejoin="round"
-            d="M12 9v2m0 4h.01m-6.938 4h13.856c1.54 0 2.502-1.667 1.732-3L13.732 4c-.77-1.333-2.694-1.333-3.464 0L3.34 16c-.77 1.333.192 3 1.732 3z"
-          />
-        </svg>
+        <Icon name="exclamationTriangle" size="xs" :stroke-width="2" />
         529
       </span>
       <!-- Tooltip -->
@@ -100,6 +88,7 @@ import { computed } from 'vue'
 import { useI18n } from 'vue-i18n'
 import type { Account } from '@/types'
 import { formatTime } from '@/utils/format'
+import Icon from '@/components/icons/Icon.vue'
 
 const { t } = useI18n()
 
@@ -179,4 +168,4 @@ const handleTempUnschedClick = () => {
   emit('show-temp-unsched', props.account)
 }
 
-</script>
+</script>