feat(alerts): 飞书通知支持 Web 界面配置(数据库存储+热更新)

1. 新增 notification_config 模型,飞书配置存数据库(单行id=1)
2. feishu_service 改为从数据库读配置,支持热更新,Web保存即生效
3. alerts.py 新增接口:
   - GET /alerts/notify/feishu/config 读配置(secret只返回是否已设)
   - PUT /alerts/notify/feishu/config 保存配置+热更新
   (status/test 同步改为走数据库配置)
4. 前端告警中心增加「飞书通知设置」弹窗:
   - 开关/Webhook/签名密钥/最低级别/类型白名单
   - 保存配置、发送测试按钮
5. alert_service.create_alert 推送时按数据库配置判断

配置无需改文件/重启,前端界面直接保存即生效。

frontend/src/api/index.js

@@ -131,6 +131,19 @@ export const alertApi = {
   },
   removeFromWhitelist(id) {
     return api.delete(`/alerts/whitelist/macs/${id}`)
+  },
+  // 飞书通知配置
+  getFeishuConfig() {
+    return api.get('/alerts/notify/feishu/config')
+  },
+  saveFeishuConfig(data) {
+    return api.put('/alerts/notify/feishu/config', {}, { params: data })
+  },
+  getFeishuStatus() {
+    return api.get('/alerts/notify/feishu/status')
+  },
+  testFeishu() {
+    return api.post('/alerts/notify/feishu/test')
   }
 }
 

frontend/src/views/Alerts.vue

@@ -13,6 +13,10 @@
               <el-icon><Check /></el-icon>
               全部确认
             </el-button>
+            <el-button @click="openFeishuDialog">
+              <el-icon><ChatDotRound /></el-icon>
+              飞书通知设置
+            </el-button>
           </el-button-group>
         </div>
       </template>
@@ -231,6 +235,47 @@
         <el-button type="primary" @click="addToWhitelist" :loading="submitting">确定</el-button>
       </template>
     </el-dialog>
+
+    <!-- 飞书通知设置弹窗 -->
+    <el-dialog v-model="feishuDialogVisible" title="飞书通知设置" width="560px">
+      <el-alert type="info" :closable="false" style="margin-bottom: 16px"
+        title="在飞书群添加「自定义机器人」，将 Webhook 地址填入下方即可。开启后，检测到新告警会自动推送到飞书群。"
+        show-icon />
+      <el-form label-width="110px" label-position="left">
+        <el-form-item label="启用通知">
+          <el-switch v-model="feishuForm.feishu_enabled" active-text="开启" inactive-text="关闭" />
+        </el-form-item>
+        <el-form-item label="Webhook 地址">
+          <el-input v-model="feishuForm.feishu_webhook_url" placeholder="https://open.feishu.cn/open-apis/bot/v2/hook/xxxx" />
+        </el-form-item>
+        <el-form-item label="签名密钥">
+          <el-input v-model="feishuForm.feishu_secret" show-password
+            :placeholder="feishuForm.feishu_secret_set ? '已设置（留空则不修改）' : '机器人开启签名校验时填写'" />
+          <div class="form-tip">机器人开启「签名校验」时必填；未开启留空即可</div>
+        </el-form-item>
+        <el-form-item label="最低级别">
+          <el-select v-model="feishuForm.feishu_min_severity" style="width: 200px">
+            <el-option label="全部 (info起)" value="info" />
+            <el-option label="警告及以上" value="warning" />
+            <el-option label="错误及以上" value="error" />
+            <el-option label="仅严重" value="critical" />
+          </el-select>
+          <div class="form-tip">仅推送大于等于所选级别的告警</div>
+        </el-form-item>
+        <el-form-item label="类型白名单">
+          <el-input v-model="feishuForm.feishu_alert_types" placeholder="留空=全部推送；如 ip_conflict,device_offline" />
+          <div class="form-tip">逗号分隔告警类型，留空则推送全部类型</div>
+        </el-form-item>
+      </el-form>
+      <div style="color: #909399; font-size: 12px; margin-top: 8px;">
+        配置保存后立即生效，无需重启服务。
+      </div>
+      <template #footer>
+        <el-button @click="feishuDialogVisible = false">关闭</el-button>
+        <el-button @click="testFeishu" :loading="testing">发送测试</el-button>
+        <el-button type="primary" @click="saveFeishuConfig" :loading="savingFeishu">保存配置</el-button>
+      </template>
+    </el-dialog>
   </div>
 </template>
 
@@ -463,6 +508,67 @@ const getAlertTypeText = (type) => {
 
 // 旧 formatDate 已由 @/utils/datetime 统一替代
 
+// ---- 飞书通知配置 ----
+const feishuDialogVisible = ref(false)
+const savingFeishu = ref(false)
+const testing = ref(false)
+const feishuForm = reactive({
+  feishu_enabled: false,
+  feishu_webhook_url: '',
+  feishu_secret: '',
+  feishu_secret_set: false,
+  feishu_min_severity: 'warning',
+  feishu_alert_types: ''
+})
+
+const openFeishuDialog = async () => {
+  feishuDialogVisible.value = true
+  try {
+    const cfg = await alertApi.getFeishuConfig()
+    feishuForm.feishu_enabled = !!cfg.feishu_enabled
+    feishuForm.feishu_webhook_url = cfg.feishu_webhook_url || ''
+    feishuForm.feishu_secret = ''
+    feishuForm.feishu_secret_set = !!cfg.feishu_secret_set
+    feishuForm.feishu_min_severity = cfg.feishu_min_severity || 'warning'
+    feishuForm.feishu_alert_types = cfg.feishu_alert_types || ''
+  } catch (error) {
+    ElMessage.error('加载飞书配置失败')
+  }
+}
+
+const saveFeishuConfig = async () => {
+  savingFeishu.value = true
+  try {
+    const params = {
+      feishu_enabled: feishuForm.feishu_enabled,
+      feishu_webhook_url: feishuForm.feishu_webhook_url,
+      feishu_secret: feishuForm.feishu_secret,
+      feishu_min_severity: feishuForm.feishu_min_severity,
+      feishu_alert_types: feishuForm.feishu_alert_types
+    }
+    const res = await alertApi.saveFeishuConfig(params)
+    ElMessage.success(res.message || '飞书配置已保存')
+    feishuForm.feishu_secret = ''
+    feishuForm.feishu_secret_set = true
+  } catch (error) {
+    ElMessage.error('保存飞书配置失败')
+  } finally {
+    savingFeishu.value = false
+  }
+}
+
+const testFeishu = async () => {
+  testing.value = true
+  try {
+    const res = await alertApi.testFeishu()
+    ElMessage.success(res.message || '测试通知已发送')
+  } catch (error) {
+    ElMessage.error(error?.response?.data?.detail || '发送测试失败，请检查配置')
+  } finally {
+    testing.value = false
+  }
+}
+
 onMounted(() => {
   loadStats()
   loadAlerts()