merge: 合并远程分支并修复代码冲突

合并了远程分支 cb72262a 的功能更新，同时保留了 ESLint 修复：

**冲突解决详情：**

1. AccountTableFilters.vue
   - ✅ 保留 emit 模式修复（避免 vue/no-mutating-props 错误）
   - ✅ 添加第三个筛选器 type（账户类型）
   - ✅ 新增 antigravity 平台和 inactive 状态选项

2. UserBalanceModal.vue
   - ✅ 保留 console.error 错误日志
   - ✅ 添加输入验证（金额校验、余额不足检查）
   - ✅ 使用 appStore.showError 向用户显示友好错误

3. AccountsView.vue
   - ✅ 保留所有 console.error 错误日志（避免 no-empty 错误）
   - ✅ 使用新 API：clearRateLimit 和 setSchedulable

4. UsageView.vue
   - ✅ 添加 console.error 错误日志
   - ✅ 添加图表功能（模型分布、使用趋势）
   - ✅ 添加粒度选择（按天/按小时）
   - ✅ 保留 XLSX 动态导入优化

**测试结果：**
- ✅ Go tests: PASS
- ✅ golangci-lint: 0 issues
- ✅ ESLint: 0 errors
- ✅ TypeScript: PASS

🤖 Generated with [Claude Code](https://claude.com/claude-code

)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

frontend/src/components/account/OAuthAuthorizationFlow.vue

@@ -2,21 +2,9 @@
   <div
     class="rounded-lg border border-blue-200 bg-blue-50 p-4 dark:border-blue-700 dark:bg-blue-900/30"
   >
-    <div class="flex items-start gap-4">
+      <div class="flex items-start gap-4">
       <div class="flex h-10 w-10 flex-shrink-0 items-center justify-center rounded-lg bg-blue-500">
-        <svg
-          class="h-5 w-5 text-white"
-          fill="none"
-          viewBox="0 0 24 24"
-          stroke="currentColor"
-          stroke-width="1.5"
-        >
-          <path
-            stroke-linecap="round"
-            stroke-linejoin="round"
-            d="M13.19 8.688a4.5 4.5 0 011.242 7.244l-4.5 4.5a4.5 4.5 0 01-6.364-6.364l1.757-1.757m13.35-.622l1.757-1.757a4.5 4.5 0 00-6.364-6.364l-4.5 4.5a4.5 4.5 0 001.242 7.244"
-          />
-        </svg>
+        <Icon name="link" size="md" class="text-white" />
       </div>
       <div class="flex-1">
         <h4 class="mb-3 font-semibold text-blue-900 dark:text-blue-200">{{ oauthTitle }}</h4>
@@ -66,19 +54,7 @@
               <label
                 class="mb-2 flex items-center gap-2 text-sm font-semibold text-gray-700 dark:text-gray-300"
               >
-                <svg
-                  class="h-4 w-4 text-blue-500"
-                  fill="none"
-                  viewBox="0 0 24 24"
-                  stroke="currentColor"
-                  stroke-width="1.5"
-                >
-                  <path
-                    stroke-linecap="round"
-                    stroke-linejoin="round"
-                    d="M15.75 5.25a3 3 0 013 3m3 0a6 6 0 01-7.029 5.912c-.563-.097-1.159.026-1.563.43L10.5 17.25H8.25v2.25H6v2.25H2.25v-2.818c0-.597.237-1.17.659-1.591l6.499-6.499c.404-.404.527-1 .43-1.563A6 6 0 1121.75 8.25z"
-                  />
-                </svg>
+                <Icon name="key" size="sm" class="text-blue-500" />
                 {{ t('admin.accounts.oauth.sessionKey') }}
                 <span
                   v-if="parsedKeyCount > 1 && allowMultiple"
@@ -186,20 +162,7 @@
                   d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"
                 ></path>
               </svg>
-              <svg
-                v-else
-                class="mr-2 h-4 w-4"
-                fill="none"
-                viewBox="0 0 24 24"
-                stroke="currentColor"
-                stroke-width="1.5"
-              >
-                <path
-                  stroke-linecap="round"
-                  stroke-linejoin="round"
-                  d="M9.813 15.904L9 18.75l-.813-2.846a4.5 4.5 0 00-3.09-3.09L2.25 12l2.846-.813a4.5 4.5 0 003.09-3.09L9 5.25l.813 2.846a4.5 4.5 0 003.09 3.09L15.75 12l-2.846.813a4.5 4.5 0 00-3.09 3.09z"
-                />
-              </svg>
+              <Icon v-else name="sparkles" size="sm" class="mr-2" />
               {{
                 loading
                   ? t('admin.accounts.oauth.authorizing')
@@ -281,20 +244,7 @@
                       d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"
                     ></path>
                   </svg>
-                  <svg
-                    v-else
-                    class="mr-2 h-4 w-4"
-                    fill="none"
-                    viewBox="0 0 24 24"
-                    stroke="currentColor"
-                    stroke-width="1.5"
-                  >
-                    <path
-                      stroke-linecap="round"
-                      stroke-linejoin="round"
-                      d="M13.19 8.688a4.5 4.5 0 011.242 7.244l-4.5 4.5a4.5 4.5 0 01-6.364-6.364l1.757-1.757m13.35-.622l1.757-1.757a4.5 4.5 0 00-6.364-6.364l-4.5 4.5a4.5 4.5 0 001.242 7.244"
-                    />
-                  </svg>
+                  <Icon v-else name="link" size="sm" class="mr-2" />
                   {{ loading ? t('admin.accounts.oauth.generating') : oauthGenerateAuthUrl }}
                 </button>
                 <div v-else class="space-y-3">
@@ -325,20 +275,13 @@
                           d="M15.666 3.888A2.25 2.25 0 0013.5 2.25h-3c-1.03 0-1.9.693-2.166 1.638m7.332 0c.055.194.084.4.084.612v0a.75.75 0 01-.75.75H9a.75.75 0 01-.75-.75v0c0-.212.03-.418.084-.612m7.332 0c.646.049 1.288.11 1.927.184 1.1.128 1.907 1.077 1.907 2.185V19.5a2.25 2.25 0 01-2.25 2.25H6.75A2.25 2.25 0 014.5 19.5V6.257c0-1.108.806-2.057 1.907-2.185a48.208 48.208 0 011.927-.184"
                         />
                       </svg>
-                      <svg
+                      <Icon
                         v-else
-                        class="h-4 w-4 text-green-500"
-                        fill="none"
-                        viewBox="0 0 24 24"
-                        stroke="currentColor"
-                        stroke-width="2"
-                      >
-                        <path
-                          stroke-linecap="round"
-                          stroke-linejoin="round"
-                          d="M4.5 12.75l6 6 9-13.5"
-                        />
-                      </svg>
+                        name="check"
+                        size="sm"
+                        class="text-green-500"
+                        :stroke-width="2"
+                      />
                     </button>
                   </div>
                   <button
@@ -346,19 +289,7 @@
                     class="text-xs text-blue-600 hover:text-blue-700 dark:text-blue-400"
                     @click="handleRegenerate"
                   >
-                    <svg
-                      class="mr-1 inline h-3 w-3"
-                      fill="none"
-                      viewBox="0 0 24 24"
-                      stroke="currentColor"
-                      stroke-width="1.5"
-                    >
-                      <path
-                        stroke-linecap="round"
-                        stroke-linejoin="round"
-                        d="M16.023 9.348h4.992v-.001M2.985 19.644v-4.992m0 0h4.992m-4.993 0l3.181 3.183a8.25 8.25 0 0013.803-3.7M4.031 9.865a8.25 8.25 0 0113.803-3.7l3.181 3.182m0-4.991v4.99"
-                      />
-                    </svg>
+                    <Icon name="refresh" size="xs" class="mr-1 inline" />
                     {{ t('admin.accounts.oauth.regenerate') }}
                   </button>
                 </div>
@@ -427,19 +358,7 @@
                 ></p>
                 <div>
                   <label class="input-label">
-                    <svg
-                      class="mr-1 inline h-4 w-4 text-blue-500"
-                      fill="none"
-                      viewBox="0 0 24 24"
-                      stroke="currentColor"
-                      stroke-width="1.5"
-                    >
-                      <path
-                        stroke-linecap="round"
-                        stroke-linejoin="round"
-                        d="M15.75 5.25a3 3 0 013 3m3 0a6 6 0 01-7.029 5.912c-.563-.097-1.159.026-1.563.43L10.5 17.25H8.25v2.25H6v2.25H2.25v-2.818c0-.597.237-1.17.659-1.591l6.499-6.499c.404-.404.527-1 .43-1.563A6 6 0 1121.75 8.25z"
-                      />
-                    </svg>
+                    <Icon name="key" size="sm" class="mr-1 inline text-blue-500" />
                     {{ oauthAuthCode }}
                   </label>
                   <textarea
@@ -449,19 +368,7 @@
                     :placeholder="oauthAuthCodePlaceholder"
                   ></textarea>
                   <p class="mt-2 text-xs text-gray-500 dark:text-gray-400">
-                    <svg
-                      class="mr-1 inline h-3 w-3"
-                      fill="none"
-                      viewBox="0 0 24 24"
-                      stroke="currentColor"
-                      stroke-width="1.5"
-                    >
-                      <path
-                        stroke-linecap="round"
-                        stroke-linejoin="round"
-                        d="M11.25 11.25l.041-.02a.75.75 0 011.063.852l-.708 2.836a.75.75 0 001.063.853l.041-.021M21 12a9 9 0 11-18 0 9 9 0 0118 0zm-9-3.75h.008v.008H12V8.25z"
-                      />
-                    </svg>
+                    <Icon name="infoCircle" size="xs" class="mr-1 inline" />
                     {{ oauthAuthCodeHint }}
                   </p>
 
@@ -471,19 +378,12 @@
                     class="mt-3 rounded-lg border-2 border-amber-400 bg-amber-50 p-3 dark:border-amber-600 dark:bg-amber-900/30"
                   >
                     <div class="flex items-start gap-2">
-                      <svg
-                        class="h-5 w-5 flex-shrink-0 text-amber-600 dark:text-amber-400"
-                        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="md"
+                        class="flex-shrink-0 text-amber-600 dark:text-amber-400"
+                        :stroke-width="2"
+                      />
                       <div class="text-sm text-amber-800 dark:text-amber-300">
                         <p class="font-semibold">{{ $t('admin.accounts.oauth.gemini.stateWarningTitle') }}</p>
                         <p class="mt-1">{{ $t('admin.accounts.oauth.gemini.stateWarningDesc') }}</p>
@@ -514,6 +414,7 @@
 import { ref, computed, watch } from 'vue'
 import { useI18n } from 'vue-i18n'
 import { useClipboard } from '@/composables/useClipboard'
+import Icon from '@/components/icons/Icon.vue'
 import type { AddMethod, AuthInputMethod } from '@/composables/useAccountOAuth'
 
 interface Props {

frontend/src/components/account/ReAuthAccountModal.vue

@@ -23,19 +23,7 @@
                     : 'from-orange-500 to-orange-600'
             ]"
           >
-            <svg
-              class="h-5 w-5 text-white"
-              fill="none"
-              viewBox="0 0 24 24"
-              stroke="currentColor"
-              stroke-width="1.5"
-            >
-              <path
-                stroke-linecap="round"
-                stroke-linejoin="round"
-                d="M9.813 15.904L9 18.75l-.813-2.846a4.5 4.5 0 00-3.09-3.09L2.25 12l2.846-.813a4.5 4.5 0 003.09-3.09L9 5.25l.813 2.846a4.5 4.5 0 003.09 3.09L15.75 12l-2.846.813a4.5 4.5 0 00-3.09 3.09z"
-              />
-            </svg>
+            <Icon name="sparkles" size="md" class="text-white" />
           </div>
           <div>
             <span class="block font-semibold text-gray-900 dark:text-white">{{
@@ -135,19 +123,7 @@
                   : 'bg-gray-100 text-gray-500 dark:bg-dark-600 dark:text-gray-400'
               ]"
             >
-              <svg
-                class="h-4 w-4"
-                fill="none"
-                viewBox="0 0 24 24"
-                stroke="currentColor"
-                stroke-width="1.5"
-              >
-                <path
-                  stroke-linecap="round"
-                  stroke-linejoin="round"
-                  d="M2.25 15a4.5 4.5 0 004.5 4.5H18a3.75 3.75 0 001.332-7.257 3 3 0 00-3.758-3.848 5.25 5.25 0 00-10.233 2.33A4.502 4.502 0 002.25 15z"
-                />
-              </svg>
+              <Icon name="cloud" size="sm" />
             </div>
             <div class="min-w-0">
               <span class="block text-sm font-medium text-gray-900 dark:text-white">
@@ -179,19 +155,7 @@
                   : 'bg-gray-100 text-gray-500 dark:bg-dark-600 dark:text-gray-400'
               ]"
             >
-              <svg
-                class="h-4 w-4"
-                fill="none"
-                viewBox="0 0 24 24"
-                stroke="currentColor"
-                stroke-width="1.5"
-              >
-                <path
-                  stroke-linecap="round"
-                  stroke-linejoin="round"
-                  d="M9.813 15.904L9 18.75l-.813-2.846a4.5 4.5 0 00-3.09-3.09L2.25 12l2.846-.813a4.5 4.5 0 003.09-3.09L9 5.25l.813 2.846a4.5 4.5 0 003.09 3.09L15.75 12l-2.846.813a4.5 4.5 0 00-3.09 3.09z"
-                />
-              </svg>
+              <Icon name="sparkles" size="sm" />
             </div>
             <div class="min-w-0">
               <span class="block text-sm font-medium text-gray-900 dark:text-white">
@@ -295,6 +259,7 @@ import { useGeminiOAuth } from '@/composables/useGeminiOAuth'
 import { useAntigravityOAuth } from '@/composables/useAntigravityOAuth'
 import type { Account } from '@/types'
 import BaseDialog from '@/components/common/BaseDialog.vue'
+import Icon from '@/components/icons/Icon.vue'
 import OAuthAuthorizationFlow from './OAuthAuthorizationFlow.vue'
 
 // Type for exposed OAuthAuthorizationFlow component

frontend/src/components/admin/account/AccountActionMenu.vue

@@ -3,12 +3,33 @@
     <div v-if="show && position" class="action-menu-content fixed z-[9999] w-52 overflow-hidden rounded-xl bg-white shadow-lg ring-1 ring-black/5 dark:bg-dark-800" :style="{ top: position.top + 'px', left: position.left + 'px' }">
       <div class="py-1">
         <template v-if="account">
-          <button @click="$emit('test', account); $emit('close')" class="flex w-full items-center gap-2 px-4 py-2 text-sm hover:bg-gray-100"><span class="text-green-500">▶</span> {{ t('admin.accounts.testConnection') }}</button>
-          <button @click="$emit('stats', account); $emit('close')" class="flex w-full items-center gap-2 px-4 py-2 text-sm hover:bg-gray-100"><span class="text-indigo-500">📊</span> {{ t('admin.accounts.viewStats') }}</button>
+          <button @click="$emit('test', account); $emit('close')" class="flex w-full items-center gap-2 px-4 py-2 text-sm hover:bg-gray-100 dark:hover:bg-dark-700">
+            <Icon name="play" size="sm" class="text-green-500" :stroke-width="2" />
+            {{ t('admin.accounts.testConnection') }}
+          </button>
+          <button @click="$emit('stats', account); $emit('close')" class="flex w-full items-center gap-2 px-4 py-2 text-sm hover:bg-gray-100 dark:hover:bg-dark-700">
+            <Icon name="chart" size="sm" class="text-indigo-500" />
+            {{ t('admin.accounts.viewStats') }}
+          </button>
           <template v-if="account.type === 'oauth' || account.type === 'setup-token'">
-            <button @click="$emit('reauth', account); $emit('close')" class="flex w-full items-center gap-2 px-4 py-2 text-sm hover:bg-gray-100 text-blue-600">🔗 {{ t('admin.accounts.reAuthorize') }}</button>
-            <button @click="$emit('refresh-token', account); $emit('close')" class="flex w-full items-center gap-2 px-4 py-2 text-sm hover:bg-gray-100 text-purple-600">🔄 {{ t('admin.accounts.refreshToken') }}</button>
+            <button @click="$emit('reauth', account); $emit('close')" class="flex w-full items-center gap-2 px-4 py-2 text-sm text-blue-600 hover:bg-gray-100 dark:hover:bg-dark-700">
+              <Icon name="link" size="sm" />
+              {{ t('admin.accounts.reAuthorize') }}
+            </button>
+            <button @click="$emit('refresh-token', account); $emit('close')" class="flex w-full items-center gap-2 px-4 py-2 text-sm text-purple-600 hover:bg-gray-100 dark:hover:bg-dark-700">
+              <Icon name="refresh" size="sm" />
+              {{ t('admin.accounts.refreshToken') }}
+            </button>
           </template>
+          <div v-if="account.status === 'error' || isRateLimited || isOverloaded" class="my-1 border-t border-gray-100 dark:border-dark-700"></div>
+          <button v-if="account.status === 'error'" @click="$emit('reset-status', account); $emit('close')" class="flex w-full items-center gap-2 px-4 py-2 text-sm text-yellow-600 hover:bg-gray-100 dark:hover:bg-dark-700">
+            <Icon name="sync" size="sm" />
+            {{ t('admin.accounts.resetStatus') }}
+          </button>
+          <button v-if="isRateLimited || isOverloaded" @click="$emit('clear-rate-limit', account); $emit('close')" class="flex w-full items-center gap-2 px-4 py-2 text-sm text-amber-600 hover:bg-gray-100 dark:hover:bg-dark-700">
+            <Icon name="clock" size="sm" />
+            {{ t('admin.accounts.clearRateLimit') }}
+          </button>
         </template>
       </div>
     </div>
@@ -16,6 +37,14 @@
 </template>
 
 <script setup lang="ts">
+import { computed } from 'vue'
 import { useI18n } from 'vue-i18n'
-defineProps(['show', 'account', 'position']); defineEmits(['close', 'test', 'stats', 'reauth', 'refresh-token']); const { t } = useI18n()
-</script>
\ No newline at end of file
+import { Icon } from '@/components/icons'
+import type { Account } from '@/types'
+
+const props = defineProps<{ show: boolean; account: Account | null; position: { top: number; left: number } | null }>()
+defineEmits(['close', 'test', 'stats', 'reauth', 'refresh-token', 'reset-status', 'clear-rate-limit'])
+const { t } = useI18n()
+const isRateLimited = computed(() => props.account?.rate_limit_reset_at && new Date(props.account.rate_limit_reset_at) > new Date())
+const isOverloaded = computed(() => props.account?.overload_until && new Date(props.account.overload_until) > new Date())
+</script>

frontend/src/components/admin/account/AccountStatsModal.vue

@@ -15,14 +15,7 @@
           <div
             class="flex h-10 w-10 items-center justify-center rounded-lg bg-gradient-to-br from-primary-500 to-primary-600"
           >
-            <svg class="h-5 w-5 text-white" fill="none" viewBox="0 0 24 24" stroke="currentColor">
-              <path
-                stroke-linecap="round"
-                stroke-linejoin="round"
-                stroke-width="2"
-                d="M9 19v-6a2 2 0 00-2-2H5a2 2 0 00-2 2v6a2 2 0 002 2h2a2 2 0 002-2zm0 0V9a2 2 0 012-2h2a2 2 0 012 2v10m-6 0a2 2 0 002 2h2a2 2 0 002-2m0 0V5a2 2 0 012-2h2a2 2 0 012 2v14a2 2 0 01-2 2h-2a2 2 0 01-2-2z"
-              />
-            </svg>
+            <Icon name="chartBar" size="md" class="text-white" />
           </div>
           <div>
             <div class="font-semibold text-gray-900 dark:text-gray-100">{{ account.name }}</div>
@@ -60,19 +53,7 @@
                 t('admin.accounts.stats.totalCost')
               }}</span>
               <div class="rounded-lg bg-emerald-100 p-1.5 dark:bg-emerald-900/30">
-                <svg
-                  class="h-4 w-4 text-emerald-600 dark:text-emerald-400"
-                  fill="none"
-                  viewBox="0 0 24 24"
-                  stroke="currentColor"
-                >
-                  <path
-                    stroke-linecap="round"
-                    stroke-linejoin="round"
-                    stroke-width="2"
-                    d="M12 8c-1.657 0-3 .895-3 2s1.343 2 3 2 3 .895 3 2-1.343 2-3 2m0-8c1.11 0 2.08.402 2.599 1M12 8V7m0 1v8m0 0v1m0-1c-1.11 0-2.08-.402-2.599-1M21 12a9 9 0 11-18 0 9 9 0 0118 0z"
-                  />
-                </svg>
+                <Icon name="dollar" size="sm" class="text-emerald-600 dark:text-emerald-400" />
               </div>
             </div>
             <p class="text-2xl font-bold text-gray-900 dark:text-white">
@@ -97,19 +78,7 @@
                 t('admin.accounts.stats.totalRequests')
               }}</span>
               <div class="rounded-lg bg-blue-100 p-1.5 dark:bg-blue-900/30">
-                <svg
-                  class="h-4 w-4 text-blue-600 dark:text-blue-400"
-                  fill="none"
-                  viewBox="0 0 24 24"
-                  stroke="currentColor"
-                >
-                  <path
-                    stroke-linecap="round"
-                    stroke-linejoin="round"
-                    stroke-width="2"
-                    d="M13 10V3L4 14h7v7l9-11h-7z"
-                  />
-                </svg>
+                <Icon name="bolt" size="sm" class="text-blue-600 dark:text-blue-400" />
               </div>
             </div>
             <p class="text-2xl font-bold text-gray-900 dark:text-white">
@@ -129,19 +98,11 @@
                 t('admin.accounts.stats.avgDailyCost')
               }}</span>
               <div class="rounded-lg bg-amber-100 p-1.5 dark:bg-amber-900/30">
-                <svg
-                  class="h-4 w-4 text-amber-600 dark:text-amber-400"
-                  fill="none"
-                  viewBox="0 0 24 24"
-                  stroke="currentColor"
-                >
-                  <path
-                    stroke-linecap="round"
-                    stroke-linejoin="round"
-                    stroke-width="2"
-                    d="M9 7h6m0 10v-3m-3 3h.01M9 17h.01M9 14h.01M12 14h.01M15 11h.01M12 11h.01M9 11h.01M7 21h10a2 2 0 002-2V5a2 2 0 00-2-2H7a2 2 0 00-2 2v14a2 2 0 002 2z"
-                  />
-                </svg>
+                <Icon
+                  name="calculator"
+                  size="sm"
+                  class="text-amber-600 dark:text-amber-400"
+                />
               </div>
             </div>
             <p class="text-2xl font-bold text-gray-900 dark:text-white">
@@ -195,19 +156,7 @@
           <div class="card p-4">
             <div class="mb-3 flex items-center gap-2">
               <div class="rounded-lg bg-cyan-100 p-1.5 dark:bg-cyan-900/30">
-                <svg
-                  class="h-4 w-4 text-cyan-600 dark:text-cyan-400"
-                  fill="none"
-                  viewBox="0 0 24 24"
-                  stroke="currentColor"
-                >
-                  <path
-                    stroke-linecap="round"
-                    stroke-linejoin="round"
-                    stroke-width="2"
-                    d="M12 8v4l3 3m6-3a9 9 0 11-18 0 9 9 0 0118 0z"
-                  />
-                </svg>
+                <Icon name="clock" size="sm" class="text-cyan-600 dark:text-cyan-400" />
               </div>
               <span class="text-sm font-semibold text-gray-900 dark:text-white">{{
                 t('admin.accounts.stats.todayOverview')
@@ -245,19 +194,7 @@
           <div class="card p-4">
             <div class="mb-3 flex items-center gap-2">
               <div class="rounded-lg bg-orange-100 p-1.5 dark:bg-orange-900/30">
-                <svg
-                  class="h-4 w-4 text-orange-600 dark:text-orange-400"
-                  fill="none"
-                  viewBox="0 0 24 24"
-                  stroke="currentColor"
-                >
-                  <path
-                    stroke-linecap="round"
-                    stroke-linejoin="round"
-                    stroke-width="2"
-                    d="M17.657 18.657A8 8 0 016.343 7.343S7 9 9 10c0-2 .5-5 2.986-7C14 5 16.09 5.777 17.656 7.343A7.975 7.975 0 0120 13a7.975 7.975 0 01-2.343 5.657z"
-                  />
-                </svg>
+                <Icon name="fire" size="sm" class="text-orange-600 dark:text-orange-400" />
               </div>
               <span class="text-sm font-semibold text-gray-900 dark:text-white">{{
                 t('admin.accounts.stats.highestCostDay')
@@ -295,19 +232,11 @@
           <div class="card p-4">
             <div class="mb-3 flex items-center gap-2">
               <div class="rounded-lg bg-indigo-100 p-1.5 dark:bg-indigo-900/30">
-                <svg
-                  class="h-4 w-4 text-indigo-600 dark:text-indigo-400"
-                  fill="none"
-                  viewBox="0 0 24 24"
-                  stroke="currentColor"
-                >
-                  <path
-                    stroke-linecap="round"
-                    stroke-linejoin="round"
-                    stroke-width="2"
-                    d="M13 7h8m0 0v8m0-8l-8 8-4-4-6 6"
-                  />
-                </svg>
+                <Icon
+                  name="trendingUp"
+                  size="sm"
+                  class="text-indigo-600 dark:text-indigo-400"
+                />
               </div>
               <span class="text-sm font-semibold text-gray-900 dark:text-white">{{
                 t('admin.accounts.stats.highestRequestDay')
@@ -348,19 +277,7 @@
           <div class="card p-4">
             <div class="mb-3 flex items-center gap-2">
               <div class="rounded-lg bg-teal-100 p-1.5 dark:bg-teal-900/30">
-                <svg
-                  class="h-4 w-4 text-teal-600 dark:text-teal-400"
-                  fill="none"
-                  viewBox="0 0 24 24"
-                  stroke="currentColor"
-                >
-                  <path
-                    stroke-linecap="round"
-                    stroke-linejoin="round"
-                    stroke-width="2"
-                    d="M20 7l-8-4-8 4m16 0l-8 4m8-4v10l-8 4m0-10L4 7m8 4v10M4 7v10l8 4"
-                  />
-                </svg>
+                <Icon name="cube" size="sm" class="text-teal-600 dark:text-teal-400" />
               </div>
               <span class="text-sm font-semibold text-gray-900 dark:text-white">{{
                 t('admin.accounts.stats.accumulatedTokens')
@@ -390,19 +307,7 @@
           <div class="card p-4">
             <div class="mb-3 flex items-center gap-2">
               <div class="rounded-lg bg-rose-100 p-1.5 dark:bg-rose-900/30">
-                <svg
-                  class="h-4 w-4 text-rose-600 dark:text-rose-400"
-                  fill="none"
-                  viewBox="0 0 24 24"
-                  stroke="currentColor"
-                >
-                  <path
-                    stroke-linecap="round"
-                    stroke-linejoin="round"
-                    stroke-width="2"
-                    d="M13 10V3L4 14h7v7l9-11h-7z"
-                  />
-                </svg>
+                <Icon name="bolt" size="sm" class="text-rose-600 dark:text-rose-400" />
               </div>
               <span class="text-sm font-semibold text-gray-900 dark:text-white">{{
                 t('admin.accounts.stats.performance')
@@ -432,19 +337,11 @@
           <div class="card p-4">
             <div class="mb-3 flex items-center gap-2">
               <div class="rounded-lg bg-lime-100 p-1.5 dark:bg-lime-900/30">
-                <svg
-                  class="h-4 w-4 text-lime-600 dark:text-lime-400"
-                  fill="none"
-                  viewBox="0 0 24 24"
-                  stroke="currentColor"
-                >
-                  <path
-                    stroke-linecap="round"
-                    stroke-linejoin="round"
-                    stroke-width="2"
-                    d="M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2"
-                  />
-                </svg>
+                <Icon
+                  name="clipboard"
+                  size="sm"
+                  class="text-lime-600 dark:text-lime-400"
+                />
               </div>
               <span class="text-sm font-semibold text-gray-900 dark:text-white">{{
                 t('admin.accounts.stats.recentActivity')
@@ -504,14 +401,7 @@
         v-else-if="!loading"
         class="flex flex-col items-center justify-center py-12 text-gray-500 dark:text-gray-400"
       >
-        <svg class="mb-4 h-12 w-12" fill="none" viewBox="0 0 24 24" stroke="currentColor">
-          <path
-            stroke-linecap="round"
-            stroke-linejoin="round"
-            stroke-width="1.5"
-            d="M9 19v-6a2 2 0 00-2-2H5a2 2 0 00-2 2v6a2 2 0 002 2h2a2 2 0 002-2zm0 0V9a2 2 0 012-2h2a2 2 0 012 2v10m-6 0a2 2 0 002 2h2a2 2 0 002-2m0 0V5a2 2 0 012-2h2a2 2 0 012 2v14a2 2 0 01-2 2h-2a2 2 0 01-2-2z"
-          />
-        </svg>
+        <Icon name="chartBar" size="xl" class="mb-4 h-12 w-12" />
         <p class="text-sm">{{ t('admin.accounts.stats.noData') }}</p>
       </div>
     </div>
@@ -547,6 +437,7 @@ import { Line } from 'vue-chartjs'
 import BaseDialog from '@/components/common/BaseDialog.vue'
 import LoadingSpinner from '@/components/common/LoadingSpinner.vue'
 import ModelDistributionChart from '@/components/charts/ModelDistributionChart.vue'
+import Icon from '@/components/icons/Icon.vue'
 import { adminAPI } from '@/api/admin'
 import type { Account, AccountUsageStatsResponse } from '@/types'
 

frontend/src/components/admin/account/AccountTableActions.vue

 <template>
-  <div class="flex max-w-full flex-wrap justify-end gap-3">
-    <button @click="$emit('refresh')" :disabled="loading" class="btn btn-secondary flex-shrink-0"><svg :class="['h-5 w-5', loading ? 'animate-spin' : '']" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" d="M16.023 9.348h4.992v-.001M2.985 19.644v-4.992m0 0h4.992m-4.993 0l3.181 3.183a8.25 8.25 0 0013.803-3.7M4.031 9.865a8.25 8.25 0 0113.803-3.7l3.181 3.182m0-4.991v4.99" /></svg></button>
-    <button @click="$emit('sync')" class="btn btn-secondary flex-shrink-0">{{ t('admin.accounts.syncFromCrs') }}</button>
-    <button @click="$emit('create')" class="btn btn-primary flex-shrink-0">{{ t('admin.accounts.createAccount') }}</button>
+  <div class="flex flex-wrap items-center gap-3">
+    <button @click="$emit('refresh')" :disabled="loading" class="btn btn-secondary">
+      <Icon name="refresh" size="md" :class="[loading ? 'animate-spin' : '']" />
+    </button>
+    <button @click="$emit('sync')" class="btn btn-secondary">{{ t('admin.accounts.syncFromCrs') }}</button>
+    <button @click="$emit('create')" class="btn btn-primary">{{ t('admin.accounts.createAccount') }}</button>
   </div>
 </template>
 
 <script setup lang="ts">
-import { useI18n } from 'vue-i18n'; defineProps(['loading']); defineEmits(['refresh', 'sync', 'create']); const { t } = useI18n()
+import { useI18n } from 'vue-i18n'
+import Icon from '@/components/icons/Icon.vue'
+
+defineProps(['loading'])
+defineEmits(['refresh', 'sync', 'create'])
+
+const { t } = useI18n()
 </script>

frontend/src/components/admin/account/AccountTableFilters.vue

 <template>
-  <div class="flex flex-wrap items-start gap-3">
-    <div class="min-w-0 flex-1">
-      <SearchInput
-        :model-value="searchQuery"
-        :placeholder="t('admin.accounts.searchAccounts')"
-        @update:model-value="$emit('update:searchQuery', $event)"
-        @search="$emit('change')"
-      />
-    </div>
-    <div class="flex flex-wrap items-center gap-3">
-      <Select :model-value="filters.platform" class="w-40 flex-shrink-0" :options="pOpts" @update:model-value="updatePlatform" @change="$emit('change')" />
-      <Select :model-value="filters.status" class="w-40 flex-shrink-0" :options="sOpts" @update:model-value="updateStatus" @change="$emit('change')" />
-    </div>
+  <div class="flex flex-wrap items-center gap-3">
+    <SearchInput
+      :model-value="searchQuery"
+      :placeholder="t('admin.accounts.searchAccounts')"
+      class="w-full sm:w-64"
+      @update:model-value="$emit('update:searchQuery', $event)"
+      @search="$emit('change')"
+    />
+    <Select :model-value="filters.platform" class="w-40" :options="pOpts" @update:model-value="updatePlatform" @change="$emit('change')" />
+    <Select :model-value="filters.type" class="w-40" :options="tOpts" @update:model-value="updateType" @change="$emit('change')" />
+    <Select :model-value="filters.status" class="w-40" :options="sOpts" @update:model-value="updateStatus" @change="$emit('change')" />
   </div>
 </template>
 
@@ -19,7 +17,9 @@
 import { computed } from 'vue'; import { useI18n } from 'vue-i18n'; import Select from '@/components/common/Select.vue'; import SearchInput from '@/components/common/SearchInput.vue'
 const props = defineProps(['searchQuery', 'filters']); const emit = defineEmits(['update:searchQuery', 'update:filters', 'change']); const { t } = useI18n()
 const updatePlatform = (value: string | number | boolean | null) => { emit('update:filters', { ...props.filters, platform: value }) }
+const updateType = (value: string | number | boolean | null) => { emit('update:filters', { ...props.filters, type: value }) }
 const updateStatus = (value: string | number | boolean | null) => { emit('update:filters', { ...props.filters, status: value }) }
-const pOpts = computed(() => [{ value: '', label: t('admin.accounts.allPlatforms') }, { value: 'openai', label: 'OpenAI' }, { value: 'anthropic', label: 'Anthropic' }, { value: 'gemini', label: 'Gemini' }])
-const sOpts = computed(() => [{ value: '', label: t('admin.accounts.allStatus') }, { value: 'active', label: t('admin.accounts.status.active') }, { value: 'error', label: t('admin.accounts.status.error') }])
+const pOpts = computed(() => [{ value: '', label: t('admin.accounts.allPlatforms') }, { value: 'anthropic', label: 'Anthropic' }, { value: 'openai', label: 'OpenAI' }, { value: 'gemini', label: 'Gemini' }, { value: 'antigravity', label: 'Antigravity' }])
+const tOpts = computed(() => [{ value: '', label: t('admin.accounts.allTypes') }, { value: 'oauth', label: t('admin.accounts.oauthType') }, { value: 'setup-token', label: t('admin.accounts.setupToken') }, { value: 'apikey', label: t('admin.accounts.apiKey') }])
+const sOpts = computed(() => [{ value: '', label: t('admin.accounts.allStatus') }, { value: 'active', label: t('admin.accounts.status.active') }, { value: 'inactive', label: t('admin.accounts.status.inactive') }, { value: 'error', label: t('admin.accounts.status.error') }])
 </script>

frontend/src/components/admin/account/AccountTestModal.vue

@@ -15,14 +15,7 @@
           <div
             class="flex h-10 w-10 items-center justify-center rounded-lg bg-gradient-to-br from-primary-500 to-primary-600"
           >
-            <svg class="h-5 w-5 text-white" fill="none" viewBox="0 0 24 24" stroke="currentColor">
-              <path
-                stroke-linecap="round"
-                stroke-linejoin="round"
-                stroke-width="2"
-                d="M5.121 17.804A13.937 13.937 0 0112 16c2.5 0 4.847.655 6.879 1.804M15 10a3 3 0 11-6 0 3 3 0 016 0zm6 2a9 9 0 11-18 0 9 9 0 0118 0z"
-              />
-            </svg>
+            <Icon name="play" size="md" class="text-white" :stroke-width="2" />
           </div>
           <div>
             <div class="font-semibold text-gray-900 dark:text-gray-100">{{ account.name }}</div>
@@ -70,32 +63,11 @@
         >
           <!-- Status Line -->
           <div v-if="status === 'idle'" class="flex items-center gap-2 text-gray-500">
-            <svg class="h-4 w-4" fill="none" viewBox="0 0 24 24" stroke="currentColor">
-              <path
-                stroke-linecap="round"
-                stroke-linejoin="round"
-                stroke-width="2"
-                d="M13 10V3L4 14h7v7l9-11h-7z"
-              />
-            </svg>
+            <Icon name="play" size="sm" :stroke-width="2" />
             <span>{{ t('admin.accounts.readyToTest') }}</span>
           </div>
           <div v-else-if="status === 'connecting'" class="flex items-center gap-2 text-yellow-400">
-            <svg class="h-4 w-4 animate-spin" fill="none" viewBox="0 0 24 24">
-              <circle
-                class="opacity-25"
-                cx="12"
-                cy="12"
-                r="10"
-                stroke="currentColor"
-                stroke-width="4"
-              ></circle>
-              <path
-                class="opacity-75"
-                fill="currentColor"
-                d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"
-              ></path>
-            </svg>
+            <Icon name="refresh" size="sm" class="animate-spin" :stroke-width="2" />
             <span>{{ t('admin.accounts.connectingToApi') }}</span>
           </div>
 
@@ -114,28 +86,14 @@
             v-if="status === 'success'"
             class="mt-3 flex items-center gap-2 border-t border-gray-700 pt-3 text-green-400"
           >
-            <svg class="h-4 w-4" fill="none" viewBox="0 0 24 24" stroke="currentColor">
-              <path
-                stroke-linecap="round"
-                stroke-linejoin="round"
-                stroke-width="2"
-                d="M9 12l2 2 4-4m6 2a9 9 0 11-18 0 9 9 0 0118 0z"
-              />
-            </svg>
+            <Icon name="check" size="sm" :stroke-width="2" />
             <span>{{ t('admin.accounts.testCompleted') }}</span>
           </div>
           <div
             v-else-if="status === 'error'"
             class="mt-3 flex items-center gap-2 border-t border-gray-700 pt-3 text-red-400"
           >
-            <svg class="h-4 w-4" fill="none" viewBox="0 0 24 24" stroke="currentColor">
-              <path
-                stroke-linecap="round"
-                stroke-linejoin="round"
-                stroke-width="2"
-                d="M10 14l2-2m0 0l2-2m-2 2l-2-2m2 2l2 2m7-2a9 9 0 11-18 0 9 9 0 0118 0z"
-              />
-            </svg>
+            <Icon name="x" size="sm" :stroke-width="2" />
             <span>{{ errorMessage }}</span>
           </div>
         </div>
@@ -147,14 +105,7 @@
           class="absolute right-2 top-2 rounded-lg bg-gray-800/80 p-1.5 text-gray-400 opacity-0 transition-all hover:bg-gray-700 hover:text-white group-hover:opacity-100"
           :title="t('admin.accounts.copyOutput')"
         >
-          <svg class="h-4 w-4" fill="none" viewBox="0 0 24 24" stroke="currentColor">
-            <path
-              stroke-linecap="round"
-              stroke-linejoin="round"
-              stroke-width="2"
-              d="M8 16H6a2 2 0 01-2-2V6a2 2 0 012-2h8a2 2 0 012 2v2m-6 12h8a2 2 0 002-2v-8a2 2 0 00-2-2h-8a2 2 0 00-2 2v8a2 2 0 002 2z"
-            />
-          </svg>
+          <Icon name="link" size="sm" :stroke-width="2" />
         </button>
       </div>
 
@@ -162,26 +113,12 @@
       <div class="flex items-center justify-between px-1 text-xs text-gray-500 dark:text-gray-400">
         <div class="flex items-center gap-3">
           <span class="flex items-center gap-1">
-            <svg class="h-3.5 w-3.5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
-              <path
-                stroke-linecap="round"
-                stroke-linejoin="round"
-                stroke-width="2"
-                d="M9 3v2m6-2v2M9 19v2m6-2v2M5 9H3m2 6H3m18-6h-2m2 6h-2M7 19h10a2 2 0 002-2V7a2 2 0 00-2-2H7a2 2 0 00-2 2v10a2 2 0 002 2zM9 9h6v6H9V9z"
-              />
-            </svg>
+            <Icon name="grid" size="sm" :stroke-width="2" />
             {{ t('admin.accounts.testModel') }}
           </span>
         </div>
         <span class="flex items-center gap-1">
-          <svg class="h-3.5 w-3.5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
-            <path
-              stroke-linecap="round"
-              stroke-linejoin="round"
-              stroke-width="2"
-              d="M8 10h.01M12 10h.01M16 10h.01M9 16H5a2 2 0 01-2-2V6a2 2 0 012-2h14a2 2 0 012 2v8a2 2 0 01-2 2h-5l-5 5v-5z"
-            />
-          </svg>
+          <Icon name="chat" size="sm" :stroke-width="2" />
           {{ t('admin.accounts.testPrompt') }}
         </span>
       </div>
@@ -210,54 +147,15 @@
                   : 'bg-primary-500 text-white hover:bg-primary-600'
           ]"
         >
-          <svg
+          <Icon
             v-if="status === 'connecting'"
-            class="h-4 w-4 animate-spin"
-            fill="none"
-            viewBox="0 0 24 24"
-          >
-            <circle
-              class="opacity-25"
-              cx="12"
-              cy="12"
-              r="10"
-              stroke="currentColor"
-              stroke-width="4"
-            ></circle>
-            <path
-              class="opacity-75"
-              fill="currentColor"
-              d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"
-            ></path>
-          </svg>
-          <svg
-            v-else-if="status === 'idle'"
-            class="h-4 w-4"
-            fill="none"
-            viewBox="0 0 24 24"
-            stroke="currentColor"
-          >
-            <path
-              stroke-linecap="round"
-              stroke-linejoin="round"
-              stroke-width="2"
-              d="M14.752 11.168l-3.197-2.132A1 1 0 0010 9.87v4.263a1 1 0 001.555.832l3.197-2.132a1 1 0 000-1.664z"
-            />
-            <path
-              stroke-linecap="round"
-              stroke-linejoin="round"
-              stroke-width="2"
-              d="M21 12a9 9 0 11-18 0 9 9 0 0118 0z"
-            />
-          </svg>
-          <svg v-else class="h-4 w-4" fill="none" viewBox="0 0 24 24" stroke="currentColor">
-            <path
-              stroke-linecap="round"
-              stroke-linejoin="round"
-              stroke-width="2"
-              d="M4 4v5h.582m15.356 2A8.001 8.001 0 004.582 9m0 0H9m11 11v-5h-.581m0 0a8.003 8.003 0 01-15.357-2m15.357 2H15"
-            />
-          </svg>
+            name="refresh"
+            size="sm"
+            class="animate-spin"
+            :stroke-width="2"
+          />
+          <Icon v-else-if="status === 'idle'" name="play" size="sm" :stroke-width="2" />
+          <Icon v-else name="refresh" size="sm" :stroke-width="2" />
           <span>
             {{
               status === 'connecting'
@@ -278,6 +176,7 @@ import { ref, watch, nextTick } from 'vue'
 import { useI18n } from 'vue-i18n'
 import BaseDialog from '@/components/common/BaseDialog.vue'
 import Select from '@/components/common/Select.vue'
+import { Icon } from '@/components/icons'
 import { useClipboard } from '@/composables/useClipboard'
 import { adminAPI } from '@/api/admin'
 import type { Account, ClaudeModel } from '@/types'

frontend/src/components/admin/account/ReAuthAccountModal.vue

@@ -23,19 +23,7 @@
                     : 'from-orange-500 to-orange-600'
             ]"
           >
-            <svg
-              class="h-5 w-5 text-white"
-              fill="none"
-              viewBox="0 0 24 24"
-              stroke="currentColor"
-              stroke-width="1.5"
-            >
-              <path
-                stroke-linecap="round"
-                stroke-linejoin="round"
-                d="M9.813 15.904L9 18.75l-.813-2.846a4.5 4.5 0 00-3.09-3.09L2.25 12l2.846-.813a4.5 4.5 0 003.09-3.09L9 5.25l.813 2.846a4.5 4.5 0 003.09 3.09L15.75 12l-2.846.813a4.5 4.5 0 00-3.09 3.09z"
-              />
-            </svg>
+            <Icon name="sparkles" size="md" class="text-white" />
           </div>
           <div>
             <span class="block font-semibold text-gray-900 dark:text-white">{{
@@ -107,9 +95,7 @@
                   : 'bg-gray-100 text-gray-500 dark:bg-dark-600 dark:text-gray-400'
               ]"
             >
-              <svg class="h-4 w-4" fill="none" viewBox="0 0 24 24" stroke="currentColor" stroke-width="1.5">
-                <path stroke-linecap="round" stroke-linejoin="round" d="M15.75 6a3.75 3.75 0 11-7.5 0 3.75 3.75 0 017.5 0zM4.501 20.118a7.5 7.5 0 0114.998 0A17.933 17.933 0 0112 21.75c-2.676 0-5.216-.584-7.499-1.632z" />
-              </svg>
+              <Icon name="user" size="sm" />
             </div>
             <div class="min-w-0">
               <span class="block text-sm font-medium text-gray-900 dark:text-white">Google One</span>
@@ -135,19 +121,7 @@
                   : 'bg-gray-100 text-gray-500 dark:bg-dark-600 dark:text-gray-400'
               ]"
             >
-              <svg
-                class="h-4 w-4"
-                fill="none"
-                viewBox="0 0 24 24"
-                stroke="currentColor"
-                stroke-width="1.5"
-              >
-                <path
-                  stroke-linecap="round"
-                  stroke-linejoin="round"
-                  d="M2.25 15a4.5 4.5 0 004.5 4.5H18a3.75 3.75 0 001.332-7.257 3 3 0 00-3.758-3.848 5.25 5.25 0 00-10.233 2.33A4.502 4.502 0 002.25 15z"
-                />
-              </svg>
+              <Icon name="cloud" size="sm" />
             </div>
             <div class="min-w-0">
               <span class="block text-sm font-medium text-gray-900 dark:text-white">
@@ -179,19 +153,7 @@
                   : 'bg-gray-100 text-gray-500 dark:bg-dark-600 dark:text-gray-400'
               ]"
             >
-              <svg
-                class="h-4 w-4"
-                fill="none"
-                viewBox="0 0 24 24"
-                stroke="currentColor"
-                stroke-width="1.5"
-              >
-                <path
-                  stroke-linecap="round"
-                  stroke-linejoin="round"
-                  d="M9.813 15.904L9 18.75l-.813-2.846a4.5 4.5 0 00-3.09-3.09L2.25 12l2.846-.813a4.5 4.5 0 003.09-3.09L9 5.25l.813 2.846a4.5 4.5 0 003.09 3.09L15.75 12l-2.846.813a4.5 4.5 0 00-3.09 3.09z"
-                />
-              </svg>
+              <Icon name="sparkles" size="sm" />
             </div>
             <div class="min-w-0">
               <span class="block text-sm font-medium text-gray-900 dark:text-white">
@@ -295,6 +257,7 @@ import { useGeminiOAuth } from '@/composables/useGeminiOAuth'
 import { useAntigravityOAuth } from '@/composables/useAntigravityOAuth'
 import type { Account } from '@/types'
 import BaseDialog from '@/components/common/BaseDialog.vue'
+import Icon from '@/components/icons/Icon.vue'
 import OAuthAuthorizationFlow from '@/components/account/OAuthAuthorizationFlow.vue'
 
 // Type for exposed OAuthAuthorizationFlow component

frontend/src/components/admin/usage/UsageStatsCards.vue

 <template>
   <div class="grid grid-cols-2 gap-4 lg:grid-cols-4">
     <div class="card p-4 flex items-center gap-3">
-      <div class="rounded-lg bg-blue-100 p-2 dark:bg-blue-900/30 text-blue-600"><svg class="h-5 w-5" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z" /></svg></div>
+      <div class="rounded-lg bg-blue-100 p-2 dark:bg-blue-900/30 text-blue-600">
+        <Icon name="document" size="md" />
+      </div>
       <div><p class="text-xs font-medium text-gray-500">{{ t('usage.totalRequests') }}</p><p class="text-xl font-bold">{{ stats?.total_requests?.toLocaleString() || '0' }}</p></div>
     </div>
     <div class="card p-4 flex items-center gap-3">
@@ -9,19 +11,36 @@
       <div><p class="text-xs font-medium text-gray-500">{{ t('usage.totalTokens') }}</p><p class="text-xl font-bold">{{ formatTokens(stats?.total_tokens || 0) }}</p></div>
     </div>
     <div class="card p-4 flex items-center gap-3">
-      <div class="rounded-lg bg-green-100 p-2 dark:bg-green-900/30 text-green-600"><svg class="h-5 w-5" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 8c-1.657 0-3 .895-3 2s1.343 2 3 2 3 .895 3 2-1.343 2-3 2m0-8c1.11 0 2.08.402 2.599 1M12 8V7m0 1v8m0 0v1m0-1c-1.11 0-2.08-.402-2.599-1M21 12a9 9 0 11-18 0 9 9 0 0118 0z" /></svg></div>
+      <div class="rounded-lg bg-green-100 p-2 dark:bg-green-900/30 text-green-600">
+        <Icon name="dollar" size="md" />
+      </div>
       <div><p class="text-xs font-medium text-gray-500">{{ t('usage.totalCost') }}</p><p class="text-xl font-bold text-green-600">${{ (stats?.total_actual_cost || 0).toFixed(4) }}</p></div>
     </div>
     <div class="card p-4 flex items-center gap-3">
-      <div class="rounded-lg bg-purple-100 p-2 dark:bg-purple-900/30 text-purple-600"><svg class="h-5 w-5" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 6v6h4.5m4.5 0a9 9 0 11-18 0 9 9 0 0118 0z" /></svg></div>
+      <div class="rounded-lg bg-purple-100 p-2 dark:bg-purple-900/30 text-purple-600">
+        <Icon name="clock" size="md" />
+      </div>
       <div><p class="text-xs font-medium text-gray-500">{{ t('usage.avgDuration') }}</p><p class="text-xl font-bold">{{ formatDuration(stats?.average_duration_ms || 0) }}</p></div>
     </div>
   </div>
 </template>
 
 <script setup lang="ts">
-import { useI18n } from 'vue-i18n'; import type { AdminUsageStatsResponse } from '@/api/admin/usage'
-defineProps<{ stats: AdminUsageStatsResponse | null }>(); const { t } = useI18n()
-const formatDuration = (ms: number) => ms < 1000 ? `${ms.toFixed(0)}ms` : `${(ms/1000).toFixed(2)}s`
-const formatTokens = (v: number) => { if (v >= 1e9) return (v/1e9).toFixed(2) + 'B'; if (v >= 1e6) return (v/1e6).toFixed(2) + 'M'; if (v >= 1e3) return (v/1e3).toFixed(2) + 'K'; return v.toLocaleString() }
-</script>
\ No newline at end of file
+import { useI18n } from 'vue-i18n'
+import type { AdminUsageStatsResponse } from '@/api/admin/usage'
+import Icon from '@/components/icons/Icon.vue'
+
+defineProps<{ stats: AdminUsageStatsResponse | null }>()
+
+const { t } = useI18n()
+
+const formatDuration = (ms: number) =>
+  ms < 1000 ? `${ms.toFixed(0)}ms` : `${(ms / 1000).toFixed(2)}s`
+
+const formatTokens = (value: number) => {
+  if (value >= 1e9) return (value / 1e9).toFixed(2) + 'B'
+  if (value >= 1e6) return (value / 1e6).toFixed(2) + 'M'
+  if (value >= 1e3) return (value / 1e3).toFixed(2) + 'K'
+  return value.toLocaleString()
+}
+</script>

frontend/src/components/admin/usage/UsageTable.vue

 <template>
-  <div class="card overflow-hidden"><div class="overflow-auto">
-    <DataTable :columns="cols" :data="data" :loading="loading">
-      <template #cell-user="{ row }"><div class="text-sm"><span class="font-medium text-gray-900 dark:text-white">{{ row.user?.email || '-' }}</span><span class="ml-1 text-xs text-gray-400">#{{ row.user_id }}</span></div></template>
-      <template #cell-model="{ value }"><span class="font-medium">{{ value }}</span></template>
-      <template #cell-tokens="{ row }"><div class="text-sm">In: {{ row.input_tokens.toLocaleString() }} / Out: {{ row.output_tokens.toLocaleString() }}</div></template>
-      <template #cell-cost="{ row }"><span class="font-medium text-green-600">${{ row.actual_cost.toFixed(6) }}</span></template>
-      <template #cell-created_at="{ value }"><span class="text-sm text-gray-500">{{ formatDateTime(value) }}</span></template>
-      <template #empty><EmptyState :message="t('usage.noRecords')" /></template>
-    </DataTable>
-  </div></div>
+  <div class="card overflow-hidden">
+    <div class="overflow-auto">
+      <DataTable :columns="cols" :data="data" :loading="loading">
+        <template #cell-user="{ row }">
+          <div class="text-sm">
+            <span class="font-medium text-gray-900 dark:text-white">{{ row.user?.email || '-' }}</span>
+            <span class="ml-1 text-gray-500 dark:text-gray-400">#{{ row.user_id }}</span>
+          </div>
+        </template>
+
+        <template #cell-api_key="{ row }">
+          <span class="text-sm text-gray-900 dark:text-white">{{ row.api_key?.name || '-' }}</span>
+        </template>
+
+        <template #cell-account="{ row }">
+          <span class="text-sm text-gray-900 dark:text-white">{{ row.account?.name || '-' }}</span>
+        </template>
+
+        <template #cell-model="{ value }">
+          <span class="font-medium text-gray-900 dark:text-white">{{ value }}</span>
+        </template>
+
+        <template #cell-group="{ row }">
+          <span v-if="row.group" class="inline-flex items-center rounded px-2 py-0.5 text-xs font-medium bg-indigo-100 text-indigo-800 dark:bg-indigo-900 dark:text-indigo-200">
+            {{ row.group.name }}
+          </span>
+          <span v-else class="text-sm text-gray-400 dark:text-gray-500">-</span>
+        </template>
+
+        <template #cell-stream="{ row }">
+          <span class="inline-flex items-center rounded px-2 py-0.5 text-xs font-medium" :class="row.stream ? 'bg-blue-100 text-blue-800 dark:bg-blue-900 dark:text-blue-200' : 'bg-gray-100 text-gray-800 dark:bg-gray-700 dark:text-gray-200'">
+            {{ row.stream ? t('usage.stream') : t('usage.sync') }}
+          </span>
+        </template>
+
+        <template #cell-tokens="{ row }">
+          <!-- 图片生成请求 -->
+          <div v-if="row.image_count > 0" class="flex items-center gap-1.5">
+            <svg class="h-4 w-4 text-indigo-500" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+              <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 16l4.586-4.586a2 2 0 012.828 0L16 16m-2-2l1.586-1.586a2 2 0 012.828 0L20 14m-6-6h.01M6 20h12a2 2 0 002-2V6a2 2 0 00-2-2H6a2 2 0 00-2 2v12a2 2 0 002 2z" />
+            </svg>
+            <span class="font-medium text-gray-900 dark:text-white">{{ row.image_count }}{{ t('usage.imageUnit') }}</span>
+            <span class="text-gray-400">({{ row.image_size || '2K' }})</span>
+          </div>
+          <!-- Token 请求 -->
+          <div v-else class="space-y-1 text-sm">
+            <div class="flex items-center gap-2">
+              <div class="inline-flex items-center gap-1">
+                <Icon name="arrowDown" size="sm" class="h-3.5 w-3.5 text-emerald-500" />
+                <span class="font-medium text-gray-900 dark:text-white">{{ row.input_tokens?.toLocaleString() || 0 }}</span>
+              </div>
+              <div class="inline-flex items-center gap-1">
+                <Icon name="arrowUp" size="sm" class="h-3.5 w-3.5 text-violet-500" />
+                <span class="font-medium text-gray-900 dark:text-white">{{ row.output_tokens?.toLocaleString() || 0 }}</span>
+              </div>
+            </div>
+            <div v-if="row.cache_read_tokens > 0 || row.cache_creation_tokens > 0" class="flex items-center gap-2">
+              <div v-if="row.cache_read_tokens > 0" class="inline-flex items-center gap-1">
+                <svg class="h-3.5 w-3.5 text-sky-500" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 8h14M5 8a2 2 0 110-4h14a2 2 0 110 4M5 8v10a2 2 0 002 2h10a2 2 0 002-2V8m-9 4h4" /></svg>
+                <span class="font-medium text-sky-600 dark:text-sky-400">{{ formatCacheTokens(row.cache_read_tokens) }}</span>
+              </div>
+              <div v-if="row.cache_creation_tokens > 0" class="inline-flex items-center gap-1">
+                <svg class="h-3.5 w-3.5 text-amber-500" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M11 5H6a2 2 0 00-2 2v11a2 2 0 002 2h11a2 2 0 002-2v-5m-1.414-9.414a2 2 0 112.828 2.828L11.828 15H9v-2.828l8.586-8.586z" /></svg>
+                <span class="font-medium text-amber-600 dark:text-amber-400">{{ formatCacheTokens(row.cache_creation_tokens) }}</span>
+              </div>
+            </div>
+          </div>
+        </template>
+
+        <template #cell-cost="{ row }">
+          <span class="font-medium text-green-600 dark:text-green-400">${{ row.actual_cost?.toFixed(6) || '0.000000' }}</span>
+        </template>
+
+        <template #cell-billing_type="{ row }">
+          <span class="inline-flex items-center rounded px-2 py-0.5 text-xs font-medium" :class="row.billing_type === 1 ? 'bg-purple-100 text-purple-800 dark:bg-purple-900 dark:text-purple-200' : 'bg-emerald-100 text-emerald-800 dark:bg-emerald-900 dark:text-emerald-200'">
+            {{ row.billing_type === 1 ? t('usage.subscription') : t('usage.balance') }}
+          </span>
+        </template>
+
+        <template #cell-first_token="{ row }">
+          <span v-if="row.first_token_ms != null" class="text-sm text-gray-600 dark:text-gray-400">{{ formatDuration(row.first_token_ms) }}</span>
+          <span v-else class="text-sm text-gray-400 dark:text-gray-500">-</span>
+        </template>
+
+        <template #cell-duration="{ row }">
+          <span class="text-sm text-gray-600 dark:text-gray-400">{{ formatDuration(row.duration_ms) }}</span>
+        </template>
+
+        <template #cell-created_at="{ value }">
+          <span class="text-sm text-gray-600 dark:text-gray-400">{{ formatDateTime(value) }}</span>
+        </template>
+
+        <template #cell-request_id="{ row }">
+          <div v-if="row.request_id" class="flex items-center gap-1.5 max-w-[120px]">
+            <span class="font-mono text-xs text-gray-500 dark:text-gray-400 truncate" :title="row.request_id">{{ row.request_id }}</span>
+            <button @click="copyRequestId(row.request_id)" class="flex-shrink-0 rounded p-0.5 transition-colors hover:bg-gray-100 dark:hover:bg-dark-700" :class="copiedRequestId === row.request_id ? 'text-green-500' : 'text-gray-400 hover:text-gray-600 dark:hover:text-gray-300'" :title="copiedRequestId === row.request_id ? t('keys.copied') : t('keys.copyToClipboard')">
+              <svg v-if="copiedRequestId === row.request_id" class="h-3.5 w-3.5" fill="none" stroke="currentColor" viewBox="0 0 24 24" stroke-width="2"><path stroke-linecap="round" stroke-linejoin="round" d="M5 13l4 4L19 7" /></svg>
+              <Icon v-else name="copy" size="sm" class="h-3.5 w-3.5" />
+            </button>
+          </div>
+          <span v-else class="text-gray-400 dark:text-gray-500">-</span>
+        </template>
+
+        <template #empty><EmptyState :message="t('usage.noRecords')" /></template>
+      </DataTable>
+    </div>
+  </div>
 </template>
 
 <script setup lang="ts">
-import { computed } from 'vue'; import { useI18n } from 'vue-i18n'; import { formatDateTime } from '@/utils/format'; import DataTable from '@/components/common/DataTable.vue'; import EmptyState from '@/components/common/EmptyState.vue'
-defineProps(['data', 'loading']); const { t } = useI18n()
+import { ref, computed } from 'vue'
+import { useI18n } from 'vue-i18n'
+import { formatDateTime } from '@/utils/format'
+import { useAppStore } from '@/stores/app'
+import DataTable from '@/components/common/DataTable.vue'
+import EmptyState from '@/components/common/EmptyState.vue'
+import Icon from '@/components/icons/Icon.vue'
+
+defineProps(['data', 'loading'])
+const { t } = useI18n()
+const appStore = useAppStore()
+const copiedRequestId = ref<string | null>(null)
+
 const cols = computed(() => [
-  { key: 'user', label: t('admin.usage.user') }, { key: 'model', label: t('usage.model'), sortable: true },
-  { key: 'tokens', label: t('usage.tokens') }, { key: 'cost', label: t('usage.cost') },
-  { key: 'created_at', label: t('usage.time'), sortable: true }
+  { key: 'user', label: t('admin.usage.user'), sortable: false },
+  { key: 'api_key', label: t('usage.apiKeyFilter'), sortable: false },
+  { key: 'account', label: t('admin.usage.account'), sortable: false },
+  { key: 'model', label: t('usage.model'), sortable: true },
+  { key: 'group', label: t('admin.usage.group'), sortable: false },
+  { key: 'stream', label: t('usage.type'), sortable: false },
+  { key: 'tokens', label: t('usage.tokens'), sortable: false },
+  { key: 'cost', label: t('usage.cost'), sortable: false },
+  { key: 'billing_type', label: t('usage.billingType'), sortable: false },
+  { key: 'first_token', label: t('usage.firstToken'), sortable: false },
+  { key: 'duration', label: t('usage.duration'), sortable: false },
+  { key: 'created_at', label: t('usage.time'), sortable: true },
+  { key: 'request_id', label: t('admin.usage.requestId'), sortable: false }
 ])
-</script>
\ No newline at end of file
+
+const formatCacheTokens = (tokens: number): string => {
+  if (tokens >= 1000000) return `${(tokens / 1000000).toFixed(1)}M`
+  if (tokens >= 1000) return `${(tokens / 1000).toFixed(1)}K`
+  return tokens.toString()
+}
+
+const formatDuration = (ms: number | null | undefined): string => {
+  if (ms == null) return '-'
+  if (ms < 1000) return `${ms}ms`
+  return `${(ms / 1000).toFixed(2)}s`
+}
+
+const copyRequestId = async (requestId: string) => {
+  try {
+    await navigator.clipboard.writeText(requestId)
+    copiedRequestId.value = requestId
+    appStore.showSuccess(t('admin.usage.requestIdCopied'))
+    setTimeout(() => { copiedRequestId.value = null }, 2000)
+  } catch {
+    appStore.showError(t('common.copyFailed'))
+  }
+}
+</script>

frontend/src/components/admin/user/UserAllowedGroupsModal.vue

@@ -52,7 +52,7 @@ const load = async () => { loading.value = true; try { const res = await adminAP
 const handleSave = async () => {
   if (!props.user) return; submitting.value = true
   try {
-    await adminAPI.users.update(props.user.id, { allowed_groups: selectedIds.value.length > 0 ? selectedIds.value : null })
+    await adminAPI.users.update(props.user.id, { allowed_groups: selectedIds.value })
     appStore.showSuccess(t('admin.users.allowedGroupsUpdated')); emit('success'); emit('close')
   } catch (error) { console.error('Failed to update allowed groups:', error) } finally { submitting.value = false }
 }

frontend/src/components/admin/user/UserBalanceModal.vue

@@ -37,10 +37,22 @@ watch(() => props.show, (v) => { if(v) { form.amount = 0; form.notes = '' } })
 
 const calculateNewBalance = () => (props.user ? (props.operation === 'add' ? props.user.balance + form.amount : props.user.balance - form.amount) : 0)
 const handleBalanceSubmit = async () => {
-  if (!props.user) return; submitting.value = true
+  if (!props.user) return
+  if (!form.amount || form.amount <= 0) {
+    appStore.showError(t('admin.users.amountRequired'))
+    return
+  }
+  if (props.operation === 'subtract' && form.amount > props.user.balance) {
+    appStore.showError(t('admin.users.insufficientBalance'))
+    return
+  }
+  submitting.value = true
   try {
     await adminAPI.users.updateBalance(props.user.id, form.amount, props.operation, form.notes)
     appStore.showSuccess(t('common.success')); emit('success'); emit('close')
-  } catch (error) { console.error('Failed to update balance:', error) } finally { submitting.value = false }
+  } catch (e: any) {
+    console.error('Failed to update balance:', e)
+    appStore.showError(e.response?.data?.detail || t('common.error'))
+  } finally { submitting.value = false }
 }
-</script>
\ No newline at end of file
+</script>

frontend/src/components/admin/user/UserCreateModal.vue

@@ -17,7 +17,7 @@
             <input v-model="form.password" type="text" required class="input pr-10" :placeholder="t('admin.users.enterPassword')" />
           </div>
           <button type="button" @click="generateRandomPassword" class="btn btn-secondary px-3">
-            <svg class="h-5 w-5" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M16.023 9.348h4.992v-.001M2.985 19.644v-4.992m0 0h4.992m-4.993 0l3.181 3.183a8.25 8.25 0 0013.803-3.7M4.031 9.865a8.25 8.25 0 0113.803-3.7l3.181 3.182m0-4.991v4.99" /></svg>
+            <Icon name="refresh" size="md" />
           </button>
         </div>
       </div>
@@ -52,6 +52,7 @@ import { reactive, watch } from 'vue'
 import { useI18n } from 'vue-i18n'; import { adminAPI } from '@/api/admin'
 import { useForm } from '@/composables/useForm'
 import BaseDialog from '@/components/common/BaseDialog.vue'
+import Icon from '@/components/icons/Icon.vue'
 
 const props = defineProps<{ show: boolean }>()
 const emit = defineEmits(['close', 'success']); const { t } = useI18n()

frontend/src/components/admin/user/UserEditModal.vue

@@ -21,7 +21,7 @@
             </button>
           </div>
           <button type="button" @click="generatePassword" class="btn btn-secondary px-3">
-            <svg class="h-5 w-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" stroke-width="1.5"><path stroke-linecap="round" stroke-linejoin="round" d="M16.023 9.348h4.992v-.001M2.985 19.644v-4.992m0 0h4.992m-4.993 0l3.181 3.183a8.25 8.25 0 0013.803-3.7M4.031 9.865a8.25 8.25 0 0113.803-3.7l3.181 3.182m0-4.991v4.99" /></svg>
+            <Icon name="refresh" size="md" />
           </button>
         </div>
       </div>
@@ -59,6 +59,7 @@ import { adminAPI } from '@/api/admin'
 import type { User, UserAttributeValuesMap } from '@/types'
 import BaseDialog from '@/components/common/BaseDialog.vue'
 import UserAttributeForm from '@/components/user/UserAttributeForm.vue'
+import Icon from '@/components/icons/Icon.vue'
 
 const props = defineProps<{ show: boolean, user: User | null }>()
 const emit = defineEmits(['close', 'success'])
@@ -86,6 +87,14 @@ const copyPassword = async () => {
 }
 const handleUpdateUser = async () => {
   if (!props.user) return
+  if (!form.email.trim()) {
+    appStore.showError(t('admin.users.emailRequired'))
+    return
+  }
+  if (form.concurrency < 1) {
+    appStore.showError(t('admin.users.concurrencyMin'))
+    return
+  }
   submitting.value = true
   try {
     const data: any = { email: form.email, username: form.username, notes: form.notes, concurrency: form.concurrency }
@@ -98,4 +107,4 @@ const handleUpdateUser = async () => {
     appStore.showError(e.response?.data?.detail || t('admin.users.failedToUpdate'))
   } finally { submitting.value = false }
 }
-</script>
\ No newline at end of file
+</script>

frontend/src/components/common/BaseDialog.vue

@@ -21,15 +21,7 @@
               class="-mr-2 rounded-xl p-2 text-gray-400 transition-colors hover:bg-gray-100 hover:text-gray-600 dark:text-dark-500 dark:hover:bg-dark-700 dark:hover:text-dark-300"
               aria-label="Close modal"
             >
-              <svg
-                class="h-5 w-5"
-                fill="none"
-                stroke="currentColor"
-                viewBox="0 0 24 24"
-                stroke-width="1.5"
-              >
-                <path stroke-linecap="round" stroke-linejoin="round" d="M6 18L18 6M6 6l12 12" />
-              </svg>
+              <Icon name="x" size="md" />
             </button>
           </div>
 
@@ -50,6 +42,7 @@
 
 <script setup lang="ts">
 import { computed, watch, onMounted, onUnmounted, ref, nextTick } from 'vue'
+import Icon from '@/components/icons/Icon.vue'
 
 // 生成唯一ID以避免多个对话框时ID冲突
 let dialogIdCounter = 0

frontend/src/components/common/DataTable.vue

@@ -66,19 +66,11 @@
           >
             <slot name="empty">
               <div class="flex flex-col items-center">
-                <svg
+                <Icon
+                  name="inbox"
+                  size="xl"
                   class="mb-4 h-12 w-12 text-gray-400 dark:text-dark-500"
-                  fill="none"
-                  stroke="currentColor"
-                  viewBox="0 0 24 24"
-                >
-                  <path
-                    stroke-linecap="round"
-                    stroke-linejoin="round"
-                    stroke-width="2"
-                    d="M20 13V6a2 2 0 00-2-2H6a2 2 0 00-2 2v7m16 0v5a2 2 0 01-2 2H6a2 2 0 01-2-2v-5m16 0h-2.586a1 1 0 00-.707.293l-2.414 2.414a1 1 0 01-.707.293h-3.172a1 1 0 01-.707-.293l-2.414-2.414A1 1 0 006.586 13H4"
-                  />
-                </svg>
+                />
                 <p class="text-lg font-medium text-gray-900 dark:text-gray-100">
                   {{ t('empty.noData') }}
                 </p>
@@ -117,6 +109,7 @@
 import { computed, ref, onMounted, onUnmounted, watch, nextTick } from 'vue'
 import { useI18n } from 'vue-i18n'
 import type { Column } from './types'
+import Icon from '@/components/icons/Icon.vue'
 
 const { t } = useI18n()
 

frontend/src/components/common/DateRangePicker.vue

@@ -6,33 +6,17 @@
       :class="['date-picker-trigger', isOpen && 'date-picker-trigger-open']"
     >
       <span class="date-picker-icon">
-        <svg
-          class="h-4 w-4"
-          fill="none"
-          stroke="currentColor"
-          viewBox="0 0 24 24"
-          stroke-width="1.5"
-        >
-          <path
-            stroke-linecap="round"
-            stroke-linejoin="round"
-            d="M6.75 3v2.25M17.25 3v2.25M3 18.75V7.5a2.25 2.25 0 012.25-2.25h13.5A2.25 2.25 0 0121 7.5v11.25m-18 0A2.25 2.25 0 005.25 21h13.5A2.25 2.25 0 0021 18.75m-18 0v-7.5A2.25 2.25 0 015.25 9h13.5A2.25 2.25 0 0121 11.25v7.5"
-          />
-        </svg>
+        <Icon name="calendar" size="sm" />
       </span>
       <span class="date-picker-value">
         {{ displayValue }}
       </span>
       <span class="date-picker-chevron">
-        <svg
-          :class="['h-4 w-4 transition-transform duration-200', isOpen && 'rotate-180']"
-          fill="none"
-          stroke="currentColor"
-          viewBox="0 0 24 24"
-          stroke-width="1.5"
-        >
-          <path stroke-linecap="round" stroke-linejoin="round" d="M19.5 8.25l-7.5 7.5-7.5-7.5" />
-        </svg>
+        <Icon
+          name="chevronDown"
+          size="sm"
+          :class="['transition-transform duration-200', isOpen && 'rotate-180']"
+        />
       </span>
     </button>
 
@@ -65,19 +49,7 @@
             />
           </div>
           <div class="date-picker-separator">
-            <svg
-              class="h-4 w-4 text-gray-400"
-              fill="none"
-              stroke="currentColor"
-              viewBox="0 0 24 24"
-              stroke-width="1.5"
-            >
-              <path
-                stroke-linecap="round"
-                stroke-linejoin="round"
-                d="M17.25 8.25L21 12m0 0l-3.75 3.75M21 12H3"
-              />
-            </svg>
+            <Icon name="arrowRight" size="sm" class="text-gray-400" />
           </div>
           <div class="date-picker-field">
             <label class="date-picker-label">{{ t('dates.endDate') }}</label>
@@ -106,6 +78,7 @@
 <script setup lang="ts">
 import { ref, computed, watch, onMounted, onUnmounted } from 'vue'
 import { useI18n } from 'vue-i18n'
+import Icon from '@/components/icons/Icon.vue'
 
 interface DatePreset {
   labelKey: string

frontend/src/components/common/EmptyState.vue

@@ -43,16 +43,7 @@
           @click="!actionTo && $emit('action')"
           class="btn btn-primary"
         >
-          <svg
-            v-if="actionIcon"
-            class="mr-2 h-5 w-5"
-            fill="none"
-            stroke="currentColor"
-            viewBox="0 0 24 24"
-            stroke-width="1.5"
-          >
-            <path stroke-linecap="round" stroke-linejoin="round" d="M12 4.5v15m7.5-7.5h-15" />
-          </svg>
+          <Icon v-if="actionIcon" name="plus" size="md" class="mr-2" />
           {{ actionText }}
         </component>
       </slot>
@@ -64,6 +55,7 @@
 import { computed } from 'vue'
 import { useI18n } from 'vue-i18n'
 import type { Component } from 'vue'
+import Icon from '@/components/icons/Icon.vue'
 
 const { t } = useI18n()
 

frontend/src/components/common/LocaleSwitcher.vue

@@ -7,16 +7,12 @@
     >
       <span class="text-base">{{ currentLocale?.flag }}</span>
       <span class="hidden sm:inline">{{ currentLocale?.code.toUpperCase() }}</span>
-      <svg
-        class="h-3.5 w-3.5 text-gray-400 transition-transform duration-200"
+      <Icon
+        name="chevronDown"
+        size="xs"
+        class="text-gray-400 transition-transform duration-200"
         :class="{ 'rotate-180': isOpen }"
-        fill="none"
-        viewBox="0 0 24 24"
-        stroke="currentColor"
-        stroke-width="2"
-      >
-        <path stroke-linecap="round" stroke-linejoin="round" d="M19.5 8.25l-7.5 7.5-7.5-7.5" />
-      </svg>
+      />
     </button>
 
     <transition name="dropdown">
@@ -36,16 +32,7 @@
         >
           <span class="text-base">{{ locale.flag }}</span>
           <span>{{ locale.name }}</span>
-          <svg
-            v-if="locale.code === currentLocaleCode"
-            class="ml-auto h-4 w-4 text-primary-500"
-            fill="none"
-            viewBox="0 0 24 24"
-            stroke="currentColor"
-            stroke-width="2"
-          >
-            <path stroke-linecap="round" stroke-linejoin="round" d="M4.5 12.75l6 6 9-13.5" />
-          </svg>
+          <Icon v-if="locale.code === currentLocaleCode" name="check" size="sm" class="ml-auto text-primary-500" />
         </button>
       </div>
     </transition>
@@ -55,6 +42,7 @@
 <script setup lang="ts">
 import { ref, computed, onMounted, onBeforeUnmount } from 'vue'
 import { useI18n } from 'vue-i18n'
+import Icon from '@/components/icons/Icon.vue'
 import { setLocale, availableLocales } from '@/i18n'
 
 const { locale } = useI18n()

frontend/src/components/common/Pagination.vue

@@ -63,13 +63,7 @@
           class="relative inline-flex items-center rounded-l-md border border-gray-300 bg-white px-2 py-2 text-sm font-medium text-gray-500 hover:bg-gray-50 disabled:cursor-not-allowed disabled:opacity-50 dark:border-dark-600 dark:bg-dark-700 dark:text-gray-400 dark:hover:bg-dark-600"
           :aria-label="t('pagination.previous')"
         >
-          <svg class="h-5 w-5" fill="currentColor" viewBox="0 0 20 20">
-            <path
-              fill-rule="evenodd"
-              d="M12.707 5.293a1 1 0 010 1.414L9.414 10l3.293 3.293a1 1 0 01-1.414 1.414l-4-4a1 1 0 010-1.414l4-4a1 1 0 011.414 0z"
-              clip-rule="evenodd"
-            />
-          </svg>
+          <Icon name="chevronLeft" size="md" />
         </button>
 
         <!-- Page numbers -->
@@ -100,13 +94,7 @@
           class="relative inline-flex items-center rounded-r-md border border-gray-300 bg-white px-2 py-2 text-sm font-medium text-gray-500 hover:bg-gray-50 disabled:cursor-not-allowed disabled:opacity-50 dark:border-dark-600 dark:bg-dark-700 dark:text-gray-400 dark:hover:bg-dark-600"
           :aria-label="t('pagination.next')"
         >
-          <svg class="h-5 w-5" fill="currentColor" viewBox="0 0 20 20">
-            <path
-              fill-rule="evenodd"
-              d="M7.293 14.707a1 1 0 010-1.414L10.586 10 7.293 6.707a1 1 0 011.414-1.414l4 4a1 1 0 010 1.414l-4 4a1 1 0 01-1.414 0z"
-              clip-rule="evenodd"
-            />
-          </svg>
+          <Icon name="chevronRight" size="md" />
         </button>
       </nav>
     </div>
@@ -116,6 +104,7 @@
 <script setup lang="ts">
 import { computed } from 'vue'
 import { useI18n } from 'vue-i18n'
+import Icon from '@/components/icons/Icon.vue'
 import Select from './Select.vue'
 
 const { t } = useI18n()