docs: 优化审查提示词，禁止 subagent 读取文件，明确 apply 阶段不动主规范

config.yaml: subagent 限定为计算密集/多步骤任务，文件读取用 Read 工具
prompt-proposal-review.md: 收集阶段加入读取约束和分步策略，复核补全待澄清清单
prompt-apply-review.md: 禁止同步主规范，新增 Spec 覆盖完整性扫描与补充流程

src/server/checker/engine.ts

@@ -70,7 +70,7 @@ export class ProbeEngine {
         this.writeResult(result.value);
       } else {
         const target = targets[index];
-        console.warn("探针执行失败:", result.reason);
+        console.warn(`探针执行失败: ${formatReason(result.reason)}`);
         if (!target) continue;
         this.writeResult({
           detail: null,

src/web/app.tsx

@@ -1,16 +1,19 @@
 import type { SkeletonProps } from "tdesign-react";
 
-import { useState } from "react";
+import { lazy, Suspense, useState } from "react";
 import { Alert, Layout, Menu, RadioGroup, Skeleton } from "tdesign-react";
 
 import { RefreshCountdown } from "./components/RefreshCountdown";
 import { SummaryCards } from "./components/SummaryCards";
 import { TargetBoard } from "./components/TargetBoard";
-import { TargetDetailDrawer } from "./components/TargetDetailDrawer";
 import { useDashboard } from "./hooks/use-queries";
 import { useTargetDetail } from "./hooks/use-target-detail";
 import { type ThemePreference, useThemePreference } from "./hooks/use-theme-preference";
 
+const TargetDetailDrawer = lazy(() =>
+  import("./components/TargetDetailDrawer").then((m) => ({ default: m.TargetDetailDrawer })),
+);
+
 const { Content, Header } = Layout;
 const DEFAULT_REFRESH_INTERVAL_MS = 30000;
 const DASHBOARD_SKELETON_ROW_COL: SkeletonProps["rowCol"] = [
@@ -122,20 +125,22 @@ export function App() {
           )}
         </div>
       </Content>
-      <TargetDetailDrawer
-        activeTab={activeTab}
-        historyData={historyData}
-        historyLoading={historyLoading}
-        metricsData={metricsData}
-        metricsLoading={metricsLoading}
-        onClose={closeDrawer}
-        onPageChange={handlePageChange}
-        onTabChange={handleTabChange}
-        onTimeChange={handleTimeChange}
-        target={selectedTarget}
-        timeFrom={timeFrom}
-        timeTo={timeTo}
-      />
+      <Suspense fallback={null}>
+        <TargetDetailDrawer
+          activeTab={activeTab}
+          historyData={historyData}
+          historyLoading={historyLoading}
+          metricsData={metricsData}
+          metricsLoading={metricsLoading}
+          onClose={closeDrawer}
+          onPageChange={handlePageChange}
+          onTabChange={handleTabChange}
+          onTimeChange={handleTimeChange}
+          target={selectedTarget}
+          timeFrom={timeFrom}
+          timeTo={timeTo}
+        />
+      </Suspense>
     </Layout>
   );
 }