feat: add UE4SS DLL runtime extension

platform_web/pages/PluginsPage.test.tsx

@@ -24,6 +24,20 @@ const marketplacePlugin: MarketplacePluginResponse = {
   tags: ["example"],
   aiPurposes: ["logs.diagnose"],
   productionLifecycle: { operations: ["install", "enable", "disable", "upgrade", "rollback", "retire", "dependency-check"], dependencyPolicy: "optional", approvalRequired: ["disable", "rollback", "retire"] },
+  runtimeProfiles: {
+    dllExtensions: [{
+      key: "scum-simple-rcon-ue4ss",
+      displayName: "SCUM Simple RCON UE4SS DLL",
+      kind: "ue4ss-dll",
+      activation: "server-start",
+      version: "0.1.0-unpublished",
+      releaseState: "unpublished",
+      releaseHost: "cdn.npc0.com",
+      releaseFilename: "scum_simple_rcon_ue4s.dll",
+      supportedTargets: [{ os: "windows", arch: "amd64" }],
+      updateOnStart: true
+    }]
+  },
   status: "installed",
   source: "platform-registry"
 };
@@ -58,6 +72,10 @@ describe("PluginsPage", () => {
     expect(html).toContain("安装");
     expect(html).toContain("启用");
     expect(html).toContain("停用");
+    expect(html).toContain("SCUM Simple RCON UE4SS DLL");
+    expect(html).toContain("启动前自动校验和更新");
+    expect(html).toContain("运行：SCUM 服务器受监管启动");
+    expect(html).toContain("Linux 启动前拒绝");
     expect(html).toContain('role="dialog"');
     expect(html).not.toContain("billing");
     expect(html).not.toContain("/Users/");
@@ -66,6 +84,7 @@ describe("PluginsPage", () => {
     expect(html).not.toContain("sk-");
     expect(html).not.toContain("password=");
     expect(html).not.toContain("apiKeyRef");
+    expect(html).not.toContain("ue4ss/Mods/");
   });
 
   it("keeps standalone fallback visibly isolated", () => {
@@ -90,6 +109,7 @@ describe("PluginsPage", () => {
     expect(pluginsPageSource).toContain("retryDetail");
     expect(pluginsPageSource).toContain("当前账号为只读模式");
     expect(pluginsPageSource).toContain("平台会返回持久状态");
+    expect(pluginsPageSource).toContain("UE4SS DLL 声明");
     expect(pluginsPageSource).toContain("actionPending !== null");
     expect(pluginsPageSource).toContain("operations?.begin");
     expect(pluginsPageSource).toContain("operations?.succeed");

platform_web/pages/PluginsPage.tsx

@@ -5,6 +5,7 @@ import { platformApiClient } from "../api/client";
 import type { GamePluginStatus, MarketplacePluginFilterRequest, MarketplacePluginResponse, MarketplacePluginStateAction } from "../api/types";
 import { ConfirmDialog, ManagementDialog } from "../components/OperationControls";
 import { PluginLifecycleWorkbench } from "../components/PluginLifecycleWorkbench";
+import { RuntimeDLLExtensionsPanel } from "../components/RuntimeDLLExtensionsPanel";
 import { EmptyState, ErrorState, LoadingState, ResultBadge } from "../components/StateViews";
 import { PageFrame } from "../components/PageFrame";
 import type { PageComponentProps } from "../contracts/page";
@@ -294,7 +295,7 @@ export function PluginsPage({ initialState, session, operations }: PluginsPagePr
       <ConfirmDialog
         open={confirmAction !== null}
         title="确认插件状态变更"
-        description={detail ? `将对 ${detail.name} 执行“${stateActionLabel(confirmAction ?? "disable")}”。平台会返回持久状态，失败时保留当前状态并允许重试。` : "请确认插件状态变更。"}
+        description={detail ? pluginStateChangeDescription(detail, confirmAction ?? "disable") : "请确认插件状态变更。"}
         confirmLabel={stateActionLabel(confirmAction ?? "disable")}
         danger={confirmAction === "disable"}
         busy={actionPending !== null}
@@ -347,6 +348,7 @@ function PluginDetail({ plugin, actionPending, actionsDisabled, onAction }: Plug
           <dd>{plugin.validationViolations?.length ? plugin.validationViolations.join(", ") : "manifest validated"}</dd>
         </div>
       </dl>
+      <RuntimeDLLExtensionsPanel runtimeProfiles={plugin.runtimeProfiles} embedded />
       <div className="action-strip plugin-detail-actions">
         <button type="button" className="primary-command" disabled={actionsDisabled || actionPending !== null || plugin.status === "installed"} onClick={() => onAction("install")} title="安装插件状态">
           <PlugZap size={16} />
@@ -397,3 +399,16 @@ function stateActionLabel(action: MarketplacePluginStateAction): string {
   }
   return action === "disable" ? "停用" : "启用";
 }
+
+function pluginStateChangeDescription(plugin: MarketplacePluginResponse, action: MarketplacePluginStateAction): string {
+  const description = `将对 ${plugin.name} 执行“${stateActionLabel(action)}”。平台会返回持久状态，失败时保留当前状态并允许重试。`;
+  if (action !== "install" && action !== "enable") {
+    return description;
+  }
+  const extensions = plugin.runtimeProfiles?.dllExtensions ?? [];
+  if (extensions.length === 0) {
+    return description;
+  }
+  const releases = extensions.map((extension) => [extension.releaseHost, extension.releaseFilename].filter(Boolean).join(" / ") || extension.displayName).join("；");
+  return `${description} UE4SS DLL 声明：Windows amd64 的 SCUM 启动前会校验并按固定发布下载或更新 ${releases}；Run 不直接执行 DLL，Linux 会拒绝启动。`;
+}

platform_web/pages/ServerDetailPage.test.tsx

@@ -3,6 +3,7 @@ import { describe, expect, it } from "vitest";
 import { configDiffViewFromPreview } from "./ServerDetailPage";
 import serverDetailPageSource from "./ServerDetailPage.tsx?raw";
 import clientManagerLifecyclePanelSource from "../components/ClientManagerLifecyclePanel.tsx?raw";
+import runtimeDLLExtensionsPanelSource from "../components/RuntimeDLLExtensionsPanel.tsx?raw";
 import artifactTransferSource from "../utils/artifactTransfer.ts?raw";
 import type { ServerConfigDiffPreviewResponse } from "../api/types";
 
@@ -103,6 +104,17 @@ describe("ServerDetailPage config write approval", () => {
     expect(serverDetailPageSource).not.toContain("sqlite://");
   });
 
+  it("renders declared UE4SS DLL update policy without local paths or RCON secrets", () => {
+    expect(serverDetailPageSource).toContain("RuntimeDLLExtensionsPanel");
+    expect(runtimeDLLExtensionsPanelSource).toContain("启动前自动校验和更新");
+    expect(runtimeDLLExtensionsPanelSource).toContain("运行：SCUM 服务器受监管启动");
+    expect(runtimeDLLExtensionsPanelSource).toContain("由 UE4SS 正常加载");
+    expect(runtimeDLLExtensionsPanelSource).toContain("Linux 启动前拒绝");
+    for (const forbidden of ["dllRef", "targetKey", "rconPort", "password="]) {
+      expect(runtimeDLLExtensionsPanelSource).not.toContain(forbidden);
+    }
+  });
+
   it("loads the dependency catalog only after runtime actions expose dependency operations", () => {
     const runtimeDistributionSectionSource = serverDetailPageSource.split("function RuntimeDistributionSection")[1]?.split("function RuntimeBindingFields")[0] ?? "";
     expect(runtimeDistributionSectionSource).toContain('action.key === "dependencies-check" || action.key === "dependencies-install"');

platform_web/pages/ServerDetailPage.tsx

@@ -29,6 +29,7 @@ import { ConfirmDialog, DiffView, UsageMeter } from "../components/OperationCont
 import { ClientManagerLifecyclePanel } from "../components/ClientManagerLifecyclePanel";
 import { ProductionGovernancePanel } from "../components/ProductionGovernancePanel";
 import { PluginLifecycleWorkbench } from "../components/PluginLifecycleWorkbench";
+import { RuntimeDLLExtensionsPanel } from "../components/RuntimeDLLExtensionsPanel";
 import {
   RuntimeTaskProgressDialog,
   runtimeBuildStages,
@@ -293,6 +294,7 @@ export function ServerDetailPage({ session, params, operations, onNavigate }: Pa
               onChanged={() => void refresh()}
             />
           )}
+          {section === "overview" && <RuntimeDLLExtensionsPanel runtimeProfiles={plugins.find((plugin) => plugin.id === instance.data.pluginId)?.runtimeProfiles} />}
           {section === "overview" && (
             <RuntimeDistributionSection
               instance={instance.data}