feat(web): 日志页——任务 / 定时与自动 / 登录 / 审计合一，实时追加与暂停，勾选后问智能体；计划并入「定时任务」页签，侧栏系统组只留日志、运行状态、设置

Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01Cxwgnn2pbzQ7rXv3rq7fei

apps/web/app/components/tasks/live.ts

@@ -0,0 +1,30 @@
+import { useQueryClient } from "@tanstack/react-query";
+import { useRef } from "react";
+import { qk } from "~/lib/query-keys.ts";
+import { useSse } from "~/lib/sse.ts";
+
+/** 引擎本身不发事件;业务事件(outbox → SSE 桥)足以代表任务在动,2 秒节流刷新任务相关查询 */
+const TASK_EVENTS = [
+  "task.created",
+  "task.status_changed",
+  "download.status_changed",
+  "download.threshold",
+  "organization.changed",
+  "feed.fetched",
+  "decision.created",
+  "decision.updated",
+  "agent.run_status",
+  "schedule.changed",
+];
+
+export function useLiveTasks() {
+  const qc = useQueryClient();
+  const timer = useRef<ReturnType<typeof setTimeout> | null>(null);
+  useSse(TASK_EVENTS, () => {
+    if (timer.current) return;
+    timer.current = setTimeout(() => {
+      timer.current = null;
+      qc.invalidateQueries({ queryKey: qk.all("engine") });
+    }, 2000);
+  });
+}