增加研究覆盖审计及分类数据直达链接

apps/docs/src/components/AICompanyResearch.tsx

@@ -36,7 +36,12 @@ export default function AICompanyResearch() {
   const [error, setError] = useState(false);
   const [attempt, setAttempt] = useState(0);
   const [query, setQuery] = useState("");
-  const [category, setCategory] = useState("");
+  const [categoryChoice, setCategoryChoice] = useState<{ route: string; id: string } | null>(null);
+  const linkedCategory = router.query.category;
+  const category = categoryChoice && categoryChoice.route === router.asPath ? categoryChoice.id
+    : router.isReady && typeof linkedCategory === "string" && data?.categories.some((c) => c.id === linkedCategory)
+      ? linkedCategory : "";
+  function setCategory(id: string) { setCategoryChoice({ route: router.asPath, id }); }
   const [cohort, setCohort] = useState("");
   const [income, setIncome] = useState("");
   const [page, setPage] = useState(0);