diff --git a/poc/business-plugins/lib/client.js b/poc/business-plugins/lib/client.js
index 9df27f0..f02f770 100644
--- a/poc/business-plugins/lib/client.js
+++ b/poc/business-plugins/lib/client.js
@@ -162,7 +162,36 @@ window.__ModuleLoader__.load({
 			"mem.tight": "接近上限",
 			"mem.safe": "余量充足",
 			"mem.overWarn": "勾选后将超出单实例内存上限，实例可能起不来。建议先停用部分插件再应用。",
-			"mem.perCard": "预估内存"
+			"mem.perCard": "预估内存",
+			"pa.label": "平台管理",
+			"pa.readonly": "只读",
+			"pa.loading": "加载中…",
+			"pa.loadingDesc": "正在读取平台状态…",
+			"pa.notAdminTitle": "平台管理仅对管理员显示",
+			"pa.notAdminDesc": "当前账号不是管理员，此处不展示平台信息。",
+			"pa.loadFailed": "平台状态读取失败",
+			"pa.retry": "重试",
+			"pa.openPortal": "打开完整管理台",
+			"pa.readonlyHint": "本分区为只读；写操作请在平台管理台完成。",
+			"pa.inst": "当前实例",
+			"pa.running": "运行中",
+			"pa.stopped": "未运行",
+			"pa.port": "端口",
+			"pa.restarts": "自动重启",
+			"pa.breaker": "熔断",
+			"pa.breakerOpen": "已熔断（冷却中）",
+			"pa.breakerOk": "正常",
+			"pa.users": "用户",
+			"pa.total": "合计",
+			"pa.pending": "待审核",
+			"pa.disabled": "已禁用",
+			"pa.storage": "存储",
+			"pa.storageUsers": "有用量的用户",
+			"pa.storageNote": "报告每小时刷新",
+			"pa.pool": "候选池",
+			"pa.poolCount": "已投放插件",
+			"pa.runtime": "运行时",
+			"pa.items": "条目"
 		};
 		/** English dictionary, key-set complete against zh. */
 		var en = {
@@ -208,7 +237,36 @@ window.__ModuleLoader__.load({
 			"mem.tight": "close to the limit",
 			"mem.safe": "headroom is fine",
 			"mem.overWarn": "The selection exceeds the per-instance memory limit and the instance may fail to start. Disable some plugins first.",
-			"mem.perCard": "est. memory"
+			"mem.perCard": "est. memory",
+			"pa.label": "Platform admin",
+			"pa.readonly": "read-only",
+			"pa.loading": "Loading…",
+			"pa.loadingDesc": "Reading platform status…",
+			"pa.notAdminTitle": "Platform admin is admin-only",
+			"pa.notAdminDesc": "This account is not an admin, so platform info is hidden here.",
+			"pa.loadFailed": "Failed to read platform status",
+			"pa.retry": "Retry",
+			"pa.openPortal": "Open full admin console",
+			"pa.readonlyHint": "This panel is read-only; do write actions in the admin console.",
+			"pa.inst": "Current instance",
+			"pa.running": "Running",
+			"pa.stopped": "Stopped",
+			"pa.port": "Port",
+			"pa.restarts": "Auto-restarts",
+			"pa.breaker": "Circuit breaker",
+			"pa.breakerOpen": "Open (cooling down)",
+			"pa.breakerOk": "OK",
+			"pa.users": "Users",
+			"pa.total": "Total",
+			"pa.pending": "Pending",
+			"pa.disabled": "Disabled",
+			"pa.storage": "Storage",
+			"pa.storageUsers": "Users with usage",
+			"pa.storageNote": "report refreshes hourly",
+			"pa.pool": "Candidate pool",
+			"pa.poolCount": "Published plugins",
+			"pa.runtime": "Runtime",
+			"pa.items": "items"
 		};
 
 		/**
@@ -886,6 +944,136 @@ window.__ModuleLoader__.load({
 					BusinessPluginsSection
 				);
 			});
+
+			// ── R2 · 平台管理（只读就地化；档案 81 §9.2b「原生弹窗」形态）────────────────
+			// 形态：**原生渲染**（非 iframe）——复用本插件的 token 与 06-工作台UI规范 字号阶梯。
+			// 数据：直接调平台只读 API（跨子域 fetch + credentials，门户已加 CORS 白名单）。
+			// 范围：**只读子集**（实例 / 用户 / 存储 / 候选池 / 运行时）；
+			//       **写操作一律回跳平台管理台** —— 不复制门户的写 UI（否则双源维护 + 扩大执行面）。
+			// 可见性：**仅 admin**（先 /api/auth/me 判角色；非 admin 只渲染一行说明）。
+			function PaCard(props) {
+				return jsxRuntime.jsx("div", {
+					style: {
+						border: "1px solid " + T.border, borderRadius: "10px", background: T.field,
+						padding: "12px 14px", display: "flex", flexDirection: "column", gap: "4px",
+						minWidth: "0", flex: "1 1 150px"
+					},
+					children: [
+						jsxRuntime.jsx("div", { key: "t", style: { fontSize: "12px", color: T.dim }, children: props.title }),
+						jsxRuntime.jsx("div", { key: "v", style: { fontSize: "20px", fontWeight: 500, color: props.color || T.text, fontVariantNumeric: "tabular-nums" }, children: props.value }),
+						jsxRuntime.jsx("div", { key: "d", style: { fontSize: "12px", color: T.dim, lineHeight: 1.6 }, children: props.desc })
+					]
+				});
+			}
+
+			function PlatformAdminSection() {
+				var useState = React.useState;
+				var useEffect = React.useEffect;
+				var st = useState({ loading: true, err: "", me: null, status: null, users: null, storage: null, pool: null, runtime: null });
+				var s = st[0];
+				var setS = st[1];
+
+				function load() {
+					setS(function (old) { return Object.assign({}, old, { loading: true, err: "" }); });
+					var host = portalHost();
+					function get(path) {
+						return fetch(host + path, { credentials: "include" }).then(function (r) {
+							return r.ok ? r.json() : null;
+						}).catch(function () { return null; });
+					}
+					get("/api/auth/me").then(function (me) {
+						var role = me && me.user ? me.user.role : null;
+						if (role !== "admin") {
+							setS(function (old) { return Object.assign({}, old, { loading: false, me: me }); });
+							return;
+						}
+						Promise.all([
+							get("/api/dsh/status"), get("/api/admin/users"),
+							get("/api/admin/storage"), get("/api/plugins/business"), get("/api/admin/runtime")
+						]).then(function (r) {
+							setS({
+								loading: false, err: "", me: me,
+								status: r[0], users: r[1], storage: r[2], pool: r[3], runtime: r[4]
+							});
+						});
+					}).catch(function () {
+						setS(function (old) { return Object.assign({}, old, { loading: false, err: t("pa.loadFailed") }); });
+					});
+				}
+				useEffect(function () { load(); }, []);
+
+				var wrap = { padding: "4px 2px", fontSize: "13px", color: T.text, display: "flex", flexDirection: "column", gap: "12px" };
+				if (s.loading) {
+					return jsxRuntime.jsx("div", { style: wrap, children: [
+						jsxRuntime.jsx("div", { key: "h", style: { fontSize: "15px", fontWeight: 500 }, children: t("pa.loading") }),
+						jsxRuntime.jsx("div", { key: "d", style: { fontSize: "13px", color: T.sub }, children: t("pa.loadingDesc") })
+					] });
+				}
+				if (s.err) {
+					return jsxRuntime.jsx("div", { style: wrap, children: [
+						jsxRuntime.jsx("div", { key: "h", style: { fontSize: "15px", fontWeight: 500, color: T.danger }, children: s.err }),
+						jsxRuntime.jsx("button", {
+							key: "b", type: "button", onClick: load,
+							style: { alignSelf: "flex-start", padding: "6px 14px", borderRadius: "8px", cursor: "pointer", border: "1px solid " + T.border, background: "transparent", color: T.text, fontSize: "13px" },
+							children: t("pa.retry")
+						})
+					] });
+				}
+				if (!s.me || !s.me.user || s.me.user.role !== "admin") {
+					return jsxRuntime.jsx("div", { style: wrap, children: [
+						jsxRuntime.jsx("div", { key: "h", style: { fontSize: "15px", fontWeight: 500 }, children: t("pa.notAdminTitle") }),
+						jsxRuntime.jsx("div", { key: "d", style: { fontSize: "13px", color: T.sub, lineHeight: 1.6 }, children: t("pa.notAdminDesc") })
+					] });
+				}
+
+				var inst = s.status && s.status.running ? t("pa.running") : t("pa.stopped");
+				var instDesc = s.status && s.status.instance
+					? t("pa.port") + " " + s.status.instance.port + " · " + t("pa.restarts") + " " + (s.status.instance.restarts || 0)
+					: "—";
+				var brk = s.status && s.status.breaker;
+				var users = (s.users && s.users.users) || [];
+				var nTotal = users.length;
+				var nPending = users.filter(function (u) { return u.role === "pending"; }).length;
+				var nDisabled = users.filter(function (u) { return u.role === "disabled"; }).length;
+				var stUsers = (s.storage && s.storage.users) || [];
+				var stDesc = s.storage && s.storage.generatedAt ? t("pa.storageNote") : (s.storage && s.storage.note) || "—";
+				var pool = (s.pool && (s.pool.plugins || s.pool.items)) || [];
+				var rt = (s.runtime && (s.runtime.items || s.runtime.groups)) || [];
+
+				return jsxRuntime.jsx("div", { style: wrap, children: [
+					jsxRuntime.jsx("div", { key: "hd", style: { display: "flex", alignItems: "baseline", gap: "8px", flexWrap: "wrap" }, children: [
+						jsxRuntime.jsx("span", { key: "a", style: { fontSize: "15px", fontWeight: 500 }, children: t("pa.label") }),
+						jsxRuntime.jsx("span", { key: "b", style: { fontSize: "12px", color: T.dim }, children: t("pa.readonly") }),
+						jsxRuntime.jsx("span", { key: "c", style: { fontSize: "12px", color: T.dim, flexBasis: "100%" }, children: t("pa.readonlyHint") })
+					] }),
+					jsxRuntime.jsx("div", { key: "cards", style: { display: "flex", gap: "10px", flexWrap: "wrap" }, children: [
+						jsxRuntime.jsx(PaCard, { key: "i", title: t("pa.inst"), value: inst, color: s.status && s.status.running ? T.success : T.sub, desc: instDesc }),
+						jsxRuntime.jsx(PaCard, { key: "b", title: t("pa.breaker"), value: brk ? t("pa.breakerOpen") : t("pa.breakerOk"), color: brk ? T.warn : T.success, desc: brk && brk.until ? String(brk.until) : "—" }),
+						jsxRuntime.jsx(PaCard, { key: "u", title: t("pa.users"), value: nTotal, desc: t("pa.pending") + " " + nPending + " · " + t("pa.disabled") + " " + nDisabled }),
+						jsxRuntime.jsx(PaCard, { key: "s", title: t("pa.storage"), value: stUsers.length, desc: stDesc }),
+						jsxRuntime.jsx(PaCard, { key: "p", title: t("pa.pool"), value: pool.length, desc: t("pa.poolCount") }),
+						jsxRuntime.jsx(PaCard, { key: "r", title: t("pa.runtime"), value: rt.length, desc: t("pa.items") })
+					] }),
+					jsxRuntime.jsx("button", {
+						key: "open", type: "button",
+						onClick: function () { window.open(portalHost() + "/portal.html", "_blank", "noopener"); },
+						style: { alignSelf: "flex-start", padding: "7px 16px", borderRadius: "8px", cursor: "pointer", border: "1px solid " + T.primary, background: T.primary, color: "#ffffff", fontSize: "14px" },
+						children: t("pa.openPortal")
+					})
+				] });
+			}
+
+			ctx.slots.inject("settings.section", function () {
+				return ctx.slots.register(
+					{
+						name: "settings.section",
+						id: "platform-admin",
+						order: 102,
+						label: function () { return t("pa.label"); }
+					},
+					PlatformAdminSection
+				);
+			});
 		}
 
 		exports.apply = apply;
diff --git a/poc/business-plugins/package.json b/poc/business-plugins/package.json
index 4c144a8..beb1270 100644
--- a/poc/business-plugins/package.json
+++ b/poc/business-plugins/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@dsh-local/business-plugins",
-  "version": "0.2.8",
+  "version": "0.2.9",
   "description": "功能管理（原「功能插件」）section for dsh web profile — v0.2.8（2026-09-13）：**所有弹窗改页内弹窗** —— 弃用 window.confirm，改为 fixed 遮罩 + 居中面板 + 点遮罩/✕ 关闭（视觉与交互对齐 MCN 工作台 dsh-plugin-mcn 的 modalTitle/modalText/modalBtns 三段结构）；**超限时弹窗内红底警告块**（标题 + 说明 + 内存数字），确认按钮转危险色，未点确认不发请求。v0.2.7（档案 75 维度 B 落地 · 2026-09-13）：卡片新增「预估内存 ≈ N MiB」徽章（按实测成本分色：≥60 红 / ≥30 黄）、卡片加高（minHeight 112 + padding 14/16）便于四层信息排布；**列表上方新增「内存预估」状态条** —— 实心段=当前已启用插件预估占用、半透明段=本次勾选增量、超单实例上限（384 MiB）整条转红并给文字警告，确认弹窗也带上内存预估。口径 = 空载基线 285 MiB + 逐插件实测加载成本（隔离 cgroup 的 rss 增量），**是预估值不是实时读数**。候选池列表 + 搜索/状态徽章 + 批量启用/禁用 + 确认弹窗 + 重启后自动刷新。v0.2.4（档案 67）：对齐 06-工作台UI规范 —— **信息层次反转**（主视觉改为插件用途说明，插件名/版本退为副行小字；中文说明由候选池入库时优先取官方目录）、字号阶梯 14/13/12、徽章与按钮改规范量级、空态改「标题 + 说明」、新增列表行 hover 反馈。v0.2.2：分区名由「功能插件」改为「功能管理」。v0.2.0：配色改用官方 --dsw-* design token（跟随 dsh 主题）；文案走官方 locale（zh/en）。",
   "type": "module",
   "main": "lib/index.js",