feat: add scheduler config

web/src/views/settings/BackupSettings.vue

@@ -21,7 +21,6 @@ const backupLoading = ref(false)
 const restoreLoading = ref(false)
 const fileInput = ref<HTMLInputElement>()
 const showConfirm = ref(false)
-const pendingFile = ref<File | null>(null)
 
 async function checkBackupStatus() {
   try {
@@ -49,11 +48,20 @@ function downloadBackup() {
   setTimeout(checkBackupStatus, 6000)
 }
 
-function triggerFileSelect() {
+function showRestoreConfirm() {
+  showConfirm.value = true
+}
+
+function confirmRestore() {
+  showConfirm.value = false
   fileInput.value?.click()
 }
 
-function handleFileSelect(e: Event) {
+function cancelRestore() {
+  showConfirm.value = false
+}
+
+async function handleFileSelect(e: Event) {
   const target = e.target as HTMLInputElement
   const file = target.files?.[0]
   if (!file) return
@@ -64,33 +72,19 @@ function handleFileSelect(e: Event) {
     return
   }
 
-  pendingFile.value = file
-  showConfirm.value = true
-  target.value = ''
-}
-
-async function confirmRestore() {
-  if (!pendingFile.value) return
-  
-  showConfirm.value = false
   restoreLoading.value = true
   try {
-    await api.settings.restoreBackup(pendingFile.value)
+    await api.settings.restoreBackup(file)
     toast.success('恢复成功，页面即将刷新')
     setTimeout(() => window.location.reload(), 1500)
   } catch (e: any) {
     toast.error(e.message || '恢复失败')
   } finally {
     restoreLoading.value = false
-    pendingFile.value = null
+    target.value = ''
   }
 }
 
-function cancelRestore() {
-  showConfirm.value = false
-  pendingFile.value = null
-}
-
 onMounted(checkBackupStatus)
 </script>
 
@@ -112,7 +106,7 @@ onMounted(checkBackupStatus)
     </div>
     <div class="border-t pt-4 mt-4">
       <div class="flex items-center gap-4">
-        <Button @click="triggerFileSelect" :disabled="restoreLoading" variant="outline">
+        <Button @click="showRestoreConfirm" :disabled="restoreLoading" variant="outline">
           <Upload class="w-4 h-4 mr-2" />
           {{ restoreLoading ? '恢复中...' : '恢复备份' }}
         </Button>

web/src/views/settings/SchedulerSettings.vue

@@ -0,0 +1,108 @@
+<script setup lang="ts">
+import { ref, onMounted } from 'vue'
+import { Input } from '@/components/ui/input'
+import { Label } from '@/components/ui/label'
+import { Button } from '@/components/ui/button'
+import {
+  AlertDialog,
+  AlertDialogAction,
+  AlertDialogCancel,
+  AlertDialogContent,
+  AlertDialogDescription,
+  AlertDialogFooter,
+  AlertDialogHeader,
+  AlertDialogTitle
+} from '@/components/ui/alert-dialog'
+import { api } from '@/api'
+import { toast } from 'vue-sonner'
+
+interface SchedulerSettings {
+  worker_count: string
+  queue_size: string
+  rate_interval: string
+}
+
+const form = ref<SchedulerSettings>({
+  worker_count: '4',
+  queue_size: '100',
+  rate_interval: '200'
+})
+const loading = ref(false)
+const showConfirm = ref(false)
+
+async function loadSettings() {
+  try {
+    const res = await api.settings.getScheduler()
+    form.value = res
+  } catch {}
+}
+
+function confirmSave() {
+  showConfirm.value = true
+}
+
+async function saveSettings() {
+  showConfirm.value = false
+  loading.value = true
+  try {
+    await api.settings.updateScheduler({
+      worker_count: String(form.value.worker_count),
+      queue_size: String(form.value.queue_size),
+      rate_interval: String(form.value.rate_interval)
+    })
+    toast.success('保存成功，调度配置已重新加载')
+  } catch {
+    toast.error('保存失败')
+  } finally {
+    loading.value = false
+  }
+}
+
+onMounted(loadSettings)
+</script>
+
+<template>
+  <div class="space-y-4">
+    <div class="grid grid-cols-4 items-center gap-4">
+      <Label class="text-right">Worker 数量</Label>
+      <div class="col-span-3 flex items-center gap-2">
+        <Input v-model="form.worker_count" type="number" class="w-24" />
+        <span class="text-xs text-muted-foreground">并发执行任务的 worker 数量</span>
+      </div>
+    </div>
+    <div class="grid grid-cols-4 items-center gap-4">
+      <Label class="text-right">队列大小</Label>
+      <div class="col-span-3 flex items-center gap-2">
+        <Input v-model="form.queue_size" type="number" class="w-24" />
+        <span class="text-xs text-muted-foreground">任务队列缓冲区大小</span>
+      </div>
+    </div>
+    <div class="grid grid-cols-4 items-center gap-4">
+      <Label class="text-right">速率间隔</Label>
+      <div class="col-span-3 flex items-center gap-2">
+        <Input v-model="form.rate_interval" type="number" class="w-24" />
+        <span class="text-xs text-muted-foreground">ms，任务启动间隔（200ms = 每秒最多5个）</span>
+      </div>
+    </div>
+    <div class="flex justify-end pt-2">
+      <Button @click="confirmSave" :disabled="loading">
+        {{ loading ? '保存中...' : '保存设置' }}
+      </Button>
+    </div>
+
+    <AlertDialog :open="showConfirm" @update:open="showConfirm = $event">
+      <AlertDialogContent>
+        <AlertDialogHeader>
+          <AlertDialogTitle>确认保存</AlertDialogTitle>
+          <AlertDialogDescription>
+            保存后调度配置将立即生效，正在执行的任务不受影响。确定要保存吗？
+          </AlertDialogDescription>
+        </AlertDialogHeader>
+        <AlertDialogFooter>
+          <AlertDialogCancel>取消</AlertDialogCancel>
+          <AlertDialogAction @click="saveSettings">确认保存</AlertDialogAction>
+        </AlertDialogFooter>
+      </AlertDialogContent>
+    </AlertDialog>
+  </div>
+</template>

web/src/views/settings/Settings.vue

@@ -4,6 +4,7 @@ import { Card, CardContent, CardDescription, CardHeader, CardTitle } from '@/com
 import { Tabs, TabsContent, TabsList, TabsTrigger } from '@/components/ui/tabs'
 import PasswordSettings from './PasswordSettings.vue'
 import SiteSettings from './SiteSettings.vue'
+import SchedulerSettings from './SchedulerSettings.vue'
 import BackupSettings from './BackupSettings.vue'
 import AboutSettings from './AboutSettings.vue'
 
@@ -21,6 +22,7 @@ const activeTab = ref('password')
       <TabsList>
         <TabsTrigger value="password">密码修改</TabsTrigger>
         <TabsTrigger value="site">站点设置</TabsTrigger>
+        <TabsTrigger value="scheduler">调度设置</TabsTrigger>
         <TabsTrigger value="backup">备份恢复</TabsTrigger>
         <TabsTrigger value="about">关于</TabsTrigger>
       </TabsList>
@@ -49,6 +51,18 @@ const activeTab = ref('password')
         </Card>
       </TabsContent>
 
+      <TabsContent value="scheduler" class="mt-6">
+        <Card class="max-w-xl">
+          <CardHeader>
+            <CardTitle>调度设置</CardTitle>
+            <CardDescription>配置任务调度器参数</CardDescription>
+          </CardHeader>
+          <CardContent>
+            <SchedulerSettings />
+          </CardContent>
+        </Card>
+      </TabsContent>
+
       <TabsContent value="backup" class="mt-6">
         <Card class="max-w-xl">
           <CardHeader>