feat: DSL 磁力聚合 — 搜索/解析/预览/投递 + cilisousuo 源 + 中英双语 + Docker 部署

app/composables/useHealth.ts

@@ -0,0 +1,16 @@
+import type { HealthResponse } from '~/types/api'
+
+/** 全局健康状态：Mongo / webtorrent / 客户端在线数，用于顶栏状态灯与页面提示 */
+export function useHealth() {
+  return useState<HealthResponse | null>('health', () => null)
+}
+
+export async function refreshHealth() {
+  const state = useHealth()
+  try {
+    state.value = await $fetch<HealthResponse>('/api/health')
+  } catch {
+    state.value = null
+  }
+  return state.value
+}