feat: expand intelligent investigation workspace

src/features/agent/answer-ui/answer-content-nav.tsx

@@ -4,6 +4,7 @@ import { Badge } from "@/shared/ui/badge";
 import { Button } from "@/shared/ui/button";
 import { DropdownMenu, DropdownMenuContent, DropdownMenuItem, DropdownMenuTrigger } from "@/shared/ui/dropdown-menu";
 import type { AnswerUiBlock } from "./contract";
+import { canExpandAnswer } from "./answer-presentation";
 
 const contentKinds = [
   { type: "Result", label: "结果", icon: CircleCheck, selector: "[data-answer-result]" },
@@ -25,7 +26,7 @@ export function AnswerContentNav({ block, contentRef }: {
   const items = contentKinds.map((kind) => ({
     ...kind, count: elements.filter((element) => element.type === kind.type).length
   })).filter((item) => item.count > 0);
-  if (items.length < 2) return null;
+  if (items.length < 2 || !canExpandAnswer([{ type: "answer-ui", block }])) return null;
 
   return (
     <nav aria-label="回答内容导航" className="answer-content-nav">