feat: OAuth 账户管理、维护调度、端点健康检查增强及前端优化

- 新增 OAuth 账户管理对话框和提供商详情抽屉中的 OAuth 信息展示
- 新增维护调度器(maintenance_scheduler)支持定时清理和健康检查
- 增强端点健康检查器，支持更多检测策略
- 重构 codex 服务为 metadata_collectors 模块
- 优化 OpenAI CLI normalizer 代码结构
- 前端: 改进使用量表格、统计图表、指南页面和异步任务管理
- 扩展多个数据库字符串列为 TEXT 类型
- 新增倒计时 composable 和 provider OAuth API 端点

frontend/src/components/common/TimeRangePicker.vue

@@ -1,21 +1,46 @@
 <template>
   <div class="flex flex-wrap items-center gap-2">
-    <Select v-model:open="presetSelectOpen" v-model="selectedPreset">
+    <Select
+      v-model:open="presetSelectOpen"
+      v-model="selectedPreset"
+    >
       <SelectTrigger class="h-8 w-32 text-xs border-border/60">
         <SelectValue placeholder="选择时间段" />
       </SelectTrigger>
       <SelectContent>
-        <SelectItem value="today">今天</SelectItem>
-        <SelectItem value="yesterday">昨天</SelectItem>
-        <SelectItem value="last7days">最近7天</SelectItem>
-        <SelectItem value="last30days">最近30天</SelectItem>
-        <SelectItem value="last90days">最近90天</SelectItem>
-        <SelectItem value="this_week">本周</SelectItem>
-        <SelectItem value="last_week">上周</SelectItem>
-        <SelectItem value="this_month">本月</SelectItem>
-        <SelectItem value="last_month">上月</SelectItem>
-        <SelectItem value="this_year">今年</SelectItem>
-        <SelectItem value="custom">自定义</SelectItem>
+        <SelectItem value="today">
+          今天
+        </SelectItem>
+        <SelectItem value="yesterday">
+          昨天
+        </SelectItem>
+        <SelectItem value="last7days">
+          最近7天
+        </SelectItem>
+        <SelectItem value="last30days">
+          最近30天
+        </SelectItem>
+        <SelectItem value="last90days">
+          最近90天
+        </SelectItem>
+        <SelectItem value="this_week">
+          本周
+        </SelectItem>
+        <SelectItem value="last_week">
+          上周
+        </SelectItem>
+        <SelectItem value="this_month">
+          本月
+        </SelectItem>
+        <SelectItem value="last_month">
+          上月
+        </SelectItem>
+        <SelectItem value="this_year">
+          今年
+        </SelectItem>
+        <SelectItem value="custom">
+          自定义
+        </SelectItem>
       </SelectContent>
     </Select>
 
@@ -36,15 +61,30 @@
       />
     </div>
 
-    <Select v-if="showGranularity" v-model:open="granularitySelectOpen" v-model="selectedGranularity">
+    <Select
+      v-if="showGranularity"
+      v-model:open="granularitySelectOpen"
+      v-model="selectedGranularity"
+    >
       <SelectTrigger class="h-8 w-24 text-xs border-border/60">
         <SelectValue placeholder="粒度" />
       </SelectTrigger>
       <SelectContent>
-        <SelectItem v-if="allowHourly && canUseHourly" value="hour">小时</SelectItem>
-        <SelectItem value="day">天</SelectItem>
-        <SelectItem value="week">周</SelectItem>
-        <SelectItem value="month">月</SelectItem>
+        <SelectItem
+          v-if="allowHourly && canUseHourly"
+          value="hour"
+        >
+          小时
+        </SelectItem>
+        <SelectItem value="day">
+          天
+        </SelectItem>
+        <SelectItem value="week">
+          周
+        </SelectItem>
+        <SelectItem value="month">
+          月
+        </SelectItem>
       </SelectContent>
     </Select>
   </div>

frontend/src/components/stats/ComparisonCard.vue

@@ -1,8 +1,15 @@
 <template>
   <Card class="p-4 space-y-2">
-    <div class="text-xs text-muted-foreground">{{ label }}</div>
-    <div class="text-lg font-semibold">{{ value }}</div>
-    <div class="text-xs" :class="changeClass">
+    <div class="text-xs text-muted-foreground">
+      {{ label }}
+    </div>
+    <div class="text-lg font-semibold">
+      {{ value }}
+    </div>
+    <div
+      class="text-xs"
+      :class="changeClass"
+    >
       <span v-if="changePercent !== null">{{ changePercent }}%</span>
       <span v-else>--</span>
       <span class="ml-1 text-muted-foreground">vs 对比期</span>

frontend/src/components/stats/CostForecastChart.vue

@@ -1,14 +1,28 @@
 <template>
   <div class="space-y-3">
     <div class="flex items-center justify-between">
-      <h3 class="text-sm font-semibold">{{ title }}</h3>
-      <span class="text-xs text-muted-foreground" v-if="subtitle">{{ subtitle }}</span>
+      <h3 class="text-sm font-semibold">
+        {{ title }}
+      </h3>
+      <span
+        v-if="subtitle"
+        class="text-xs text-muted-foreground"
+      >{{ subtitle }}</span>
     </div>
-    <div v-if="loading" class="p-6">
+    <div
+      v-if="loading"
+      class="p-6"
+    >
       <LoadingState />
     </div>
-    <div v-else class="h-[280px]">
-      <LineChart :data="chartData" :options="chartOptions" />
+    <div
+      v-else
+      class="h-[280px]"
+    >
+      <LineChart
+        :data="chartData"
+        :options="chartOptions"
+      />
     </div>
   </div>
 </template>

frontend/src/components/stats/ErrorDistributionChart.vue

@@ -1,14 +1,28 @@
 <template>
   <div class="space-y-3">
     <div class="flex items-center justify-between">
-      <h3 class="text-sm font-semibold">{{ title }}</h3>
-      <span class="text-xs text-muted-foreground" v-if="subtitle">{{ subtitle }}</span>
+      <h3 class="text-sm font-semibold">
+        {{ title }}
+      </h3>
+      <span
+        v-if="subtitle"
+        class="text-xs text-muted-foreground"
+      >{{ subtitle }}</span>
     </div>
-    <div v-if="loading" class="p-6">
+    <div
+      v-if="loading"
+      class="p-6"
+    >
       <LoadingState />
     </div>
-    <div v-else class="h-[260px]">
-      <DoughnutChart :data="chartData" :options="chartOptions" />
+    <div
+      v-else
+      class="h-[260px]"
+    >
+      <DoughnutChart
+        :data="chartData"
+        :options="chartOptions"
+      />
     </div>
   </div>
 </template>

frontend/src/components/stats/LeaderboardTable.vue

@@ -11,36 +11,70 @@
           <SelectValue placeholder="指标" />
         </SelectTrigger>
         <SelectContent>
-          <SelectItem value="requests">请求数</SelectItem>
-          <SelectItem value="tokens">Tokens</SelectItem>
-          <SelectItem value="cost">成本</SelectItem>
+          <SelectItem value="requests">
+            请求数
+          </SelectItem>
+          <SelectItem value="tokens">
+            Tokens
+          </SelectItem>
+          <SelectItem value="cost">
+            成本
+          </SelectItem>
         </SelectContent>
       </Select>
     </template>
 
-    <div v-if="loading" class="p-6">
+    <div
+      v-if="loading"
+      class="p-6"
+    >
       <LoadingState />
     </div>
-    <div v-else-if="items.length === 0" class="p-6">
-      <EmptyState title="暂无数据" description="当前时间范围内没有统计结果" />
+    <div
+      v-else-if="items.length === 0"
+      class="p-6"
+    >
+      <EmptyState
+        title="暂无数据"
+        description="当前时间范围内没有统计结果"
+      />
     </div>
     <Table v-else>
       <TableHeader>
         <TableRow>
-          <TableHead class="w-16">排名</TableHead>
+          <TableHead class="w-16">
+            排名
+          </TableHead>
           <TableHead>名称</TableHead>
-          <TableHead class="text-right">请求数</TableHead>
-          <TableHead class="text-right">Tokens</TableHead>
-          <TableHead class="text-right">成本</TableHead>
+          <TableHead class="text-right">
+            请求数
+          </TableHead>
+          <TableHead class="text-right">
+            Tokens
+          </TableHead>
+          <TableHead class="text-right">
+            成本
+          </TableHead>
         </TableRow>
       </TableHeader>
       <TableBody>
-        <TableRow v-for="item in items" :key="item.id">
-          <TableCell class="font-medium">{{ item.rank }}</TableCell>
+        <TableRow
+          v-for="item in items"
+          :key="item.id"
+        >
+          <TableCell class="font-medium">
+            {{ item.rank }}
+          </TableCell>
           <TableCell>{{ item.name }}</TableCell>
-          <TableCell class="text-right">{{ item.requests }}</TableCell>
-          <TableCell class="text-right">{{ formatTokens(item.tokens) }}</TableCell>
-          <TableCell class="text-right">{{ formatCurrency(item.cost) }}</TableCell>
+          <TableCell class="text-right">
+            {{ item.requests }}
+          </TableCell>
+          <TableCell class="text-right">
+            {{ formatTokens(item.tokens) }}
+          </TableCell>
+          <TableCell class="text-right">
+            {{ formatCurrency(item.cost) }}
+          </TableCell>
         </TableRow>
       </TableBody>
     </Table>

frontend/src/components/stats/PercentileChart.vue

@@ -1,14 +1,28 @@
 <template>
   <div class="space-y-3">
     <div class="flex items-center justify-between">
-      <h3 class="text-sm font-semibold">{{ title }}</h3>
-      <span class="text-xs text-muted-foreground" v-if="subtitle">{{ subtitle }}</span>
+      <h3 class="text-sm font-semibold">
+        {{ title }}
+      </h3>
+      <span
+        v-if="subtitle"
+        class="text-xs text-muted-foreground"
+      >{{ subtitle }}</span>
     </div>
-    <div v-if="loading" class="p-6">
+    <div
+      v-if="loading"
+      class="p-6"
+    >
       <LoadingState />
     </div>
-    <div v-else class="h-[260px]">
-      <LineChart :data="chartData" :options="chartOptions" />
+    <div
+      v-else
+      class="h-[260px]"
+    >
+      <LineChart
+        :data="chartData"
+        :options="chartOptions"
+      />
     </div>
   </div>
 </template>

frontend/src/components/stats/QuotaProgressCard.vue

@@ -1,18 +1,39 @@
 <template>
   <Card class="p-4 space-y-4">
     <div class="flex items-center justify-between">
-      <h3 class="text-sm font-semibold">{{ title }}</h3>
-      <span class="text-xs text-muted-foreground" v-if="subtitle">{{ subtitle }}</span>
+      <h3 class="text-sm font-semibold">
+        {{ title }}
+      </h3>
+      <span
+        v-if="subtitle"
+        class="text-xs text-muted-foreground"
+      >{{ subtitle }}</span>
     </div>
 
-    <div v-if="loading" class="p-4">
+    <div
+      v-if="loading"
+      class="p-4"
+    >
       <LoadingState />
     </div>
-    <div v-else-if="providers.length === 0" class="p-4">
-      <EmptyState title="暂无数据" description="暂无月卡配额数据" />
+    <div
+      v-else-if="providers.length === 0"
+      class="p-4"
+    >
+      <EmptyState
+        title="暂无数据"
+        description="暂无月卡配额数据"
+      />
     </div>
-    <div v-else class="space-y-4">
-      <div v-for="provider in providers" :key="provider.id" class="space-y-2">
+    <div
+      v-else
+      class="space-y-4"
+    >
+      <div
+        v-for="provider in providers"
+        :key="provider.id"
+        class="space-y-2"
+      >
         <div class="flex items-center justify-between text-xs">
           <span class="font-medium">{{ provider.name }}</span>
           <span class="text-muted-foreground">