feat(agent): web.search / web.fetch via Brave Search (WEB-1)
- adapters/websearch: Brave client (X-Subscription-Token, error classes), result normalization with redaction/truncation, SSRF guard, HTML→text fetch (10s, 512KB, text/html|text/plain only) - modules/websearch: 10-min PG cache (region websearch), cross-process per-minute limit, web.fetch allowlist = URLs from the caller's latest web.search; POST /websearch/test - settings.agent.webSearch (key write-only → secret_ref); settings card under Agent; web.* offered to the model only when enabled, plus a system prompt rule; outputs marked untrusted - capability count 27 → 29; e2e E13; runbook docs/runbook/websearch.md Co-Authored-By: Claude Opus 5.5 <[email protected]>
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import type { GlobalSettings } from "@umt/contracts";
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import { LoaderCircle } from "lucide-react";
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import { toast } from "sonner";
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import { useTestWebSearch, useUpdateSettings } from "~/api/settings.ts";
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import { StatusBadge } from "~/components/console/status-badge.tsx";
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import { Button } from "~/components/ui/button.tsx";
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import { errorMessage } from "~/lib/api.ts";
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import { num, str } from "./resource-section.tsx";
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import { type CardSpec, n } from "./settings-card.tsx";
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// Agent 分区「网页搜索」:provider / Key(只写,存 secret)/ 地区 / 语言 / 安全搜索 / 每次条数 / 每分钟上限 + 测试
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export const WEBSEARCH_CARD: CardSpec = {
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anchor: "websearch",
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title: "网页搜索",
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description:
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"开启后 Agent 可以用 web.search 搜索站外公开信息，用 web.fetch 读取搜索结果里的网页。结果和正文按不可信数据交给模型，web.fetch 不能读内网地址和结果以外的链接。",
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fields: [
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{
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name: "agent.webSearch.provider",
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label: "搜索服务",
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kind: "select",
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options: [
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{ value: "none", label: "关闭" },
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{ value: "brave", label: "Brave Search" },
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],
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},
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{
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name: "agent.webSearch.apiKey",
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label: "API Key",
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kind: "password",
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hint: "Brave Search API 的 Subscription Token；留空不修改",
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visible: (v) => v["agent.webSearch.provider"] !== "none",
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},
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{
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name: "agent.webSearch.country",
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label: "搜索地区",
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kind: "text",
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placeholder: "ALL",
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hint: "两位国家码，如 CN、US；ALL 表示不限",
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visible: (v) => v["agent.webSearch.provider"] !== "none",
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},
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{
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name: "agent.webSearch.searchLang",
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label: "结果语言",
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kind: "text",
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placeholder: "不限",
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hint: "如 zh-hans、en；留空不限",
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visible: (v) => v["agent.webSearch.provider"] !== "none",
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},
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{
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name: "agent.webSearch.safesearch",
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label: "安全搜索",
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kind: "select",
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options: [
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{ value: "off", label: "关闭" },
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{ value: "moderate", label: "适中" },
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{ value: "strict", label: "严格" },
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],
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visible: (v) => v["agent.webSearch.provider"] !== "none",
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},
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{
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name: "agent.webSearch.maxResults",
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label: "每次条数",
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kind: "number",
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hint: "1–10，Agent 可以要更少",
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visible: (v) => v["agent.webSearch.provider"] !== "none",
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},
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{
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name: "agent.webSearch.requestsPerMinute",
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label: "每分钟上限",
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kind: "number",
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hint: "三个进程共用；10 分钟内的相同搜索走缓存，不计次数",
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visible: (v) => v["agent.webSearch.provider"] !== "none",
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},
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],
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fromSettings: (s) => {
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const w = s.agent.webSearch;
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return {
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"agent.webSearch.provider": w.provider,
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"agent.webSearch.apiKey": "",
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"agent.webSearch.country": w.country,
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"agent.webSearch.searchLang": w.searchLang ?? "",
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"agent.webSearch.safesearch": w.safesearch,
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"agent.webSearch.maxResults": n(w.maxResults),
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"agent.webSearch.requestsPerMinute": n(w.requestsPerMinute),
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};
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},
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toPatch: (v) => {
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const key = str(v["agent.webSearch.apiKey"]);
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const safe = str(v["agent.webSearch.safesearch"]);
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return {
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agent: {
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webSearch: {
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provider: v["agent.webSearch.provider"] === "brave" ? "brave" : "none",
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country: str(v["agent.webSearch.country"]).toUpperCase() || "ALL",
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searchLang: str(v["agent.webSearch.searchLang"]).toLowerCase() || null,
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safesearch: safe === "off" || safe === "strict" ? safe : "moderate",
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maxResults: num(v["agent.webSearch.maxResults"]),
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requestsPerMinute: num(v["agent.webSearch.requestsPerMinute"]),
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...(key ? { apiKey: key } : {}),
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},
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},
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};
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},
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extra: (s) => <WebSearchKeyStatus settings={s} />,
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};
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function WebSearchKeyStatus({ settings }: { settings: GlobalSettings }) {
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const update = useUpdateSettings();
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const test = useTestWebSearch();
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const w = settings.agent.webSearch;
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if (w.provider === "none") return null;
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const saved = !!w.apiKeySecretRef;
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return (
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<div className="mb-2 flex flex-wrap items-center gap-2">
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<StatusBadge tone={saved ? "success" : "neutral"}>{saved ? "API Key 已保存" : "未保存 API Key"}</StatusBadge>
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{saved ? (
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<>
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<Button
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type="button"
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variant="outline"
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size="xs"
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disabled={test.isPending}
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onClick={async () => {
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try {
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const r = await test.mutateAsync({});
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if (r.ok) toast.success(`搜索可用：${r.count} 条结果，用时 ${r.durationMs} ms`);
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else toast.error(r.error?.message ?? "搜索失败");
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} catch (err) {
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toast.error(errorMessage(err, "测试失败"));
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}
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}}
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>
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{test.isPending ? <LoaderCircle className="animate-spin" /> : null}
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测试搜索
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</Button>
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<Button
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type="button"
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variant="ghost"
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size="xs"
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className="hover:text-destructive"
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disabled={update.isPending}
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onClick={async () => {
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try {
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await update.mutateAsync({ agent: { webSearch: { apiKey: null } } });
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toast.success("搜索服务 API Key 已清除");
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} catch (err) {
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toast.error(errorMessage(err, "清除失败"));
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}
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}}
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>
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清除
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</Button>
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</>
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) : null}
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{test.data?.ok ? (
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<span className="text-meta text-muted-foreground tabular-nums">
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「{test.data.query}」{test.data.count} 条 · {test.data.durationMs} ms
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</span>
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) : null}
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</div>
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);
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}
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@@ -1,10 +1,11 @@
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import { AgentToolsBlock } from "./agent-tools.tsx";
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import { WEBSEARCH_CARD } from "./agent-websearch.tsx";
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import { PiUpstreamsBlock } from "./pi-upstreams.tsx";
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import type { FieldValue } from "./resource-section.tsx";
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import { num, str } from "./resource-section.tsx";
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import { type CardSpec, n, SettingsCard, SettingsGate } from "./settings-card.tsx";
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// Agent 分区:上游(pi_upstream)+ 上下文与子代理(pi)+ 预算(budget.agent* 与单次上限)+ 自动调查 + 高级
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// Agent 分区:上游(pi_upstream)+ 上下文与子代理(pi)+ 预算(budget.agent* 与单次上限)+ 自动调查 + 网页搜索 + 高级
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/** 可清空的数字:空串 → null */
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const nullNum = (v: FieldValue | undefined) => (str(v) === "" ? null : Number(str(v)));
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@@ -218,6 +219,7 @@ export function AgentSection() {
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<SettingsCard section="agent" spec={RUNTIME_CARD} settings={s} />
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<SettingsCard section="agent" spec={BUDGET_CARD} settings={s} />
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<SettingsCard section="agent" spec={INVESTIGATE_CARD} settings={s} />
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<SettingsCard section="agent" spec={WEBSEARCH_CARD} settings={s} />
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<SettingsCard section="agent" spec={ADVANCED_CARD} settings={s} />
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</>
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)}
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