增加收入分布快照报告与公司明细直达链接

apps/docs/src/components/AICompanyResearch.tsx

@@ -1,4 +1,5 @@
 import { useEffect, useMemo, useRef, useState } from "react";
+import { useRouter } from "next/router";
 import IncomeDistribution from "./IncomeDistribution";
 import {
   categorySummary, evidenceUrl, technicalReviewLabels, type ResearchEvidence, type ResearchSnapshot,
@@ -30,6 +31,7 @@ function Evidence({ item, prefix = "evidence" }: { item: ResearchEvidence; prefi
 }
 
 export default function AICompanyResearch() {
+  const router = useRouter();
   const [data, setData] = useState<ResearchSnapshot | null>(null);
   const [error, setError] = useState(false);
   const [attempt, setAttempt] = useState(0);
@@ -42,7 +44,12 @@ export default function AICompanyResearch() {
   const [depth, setDepth] = useState("");
   const [teamBand, setTeamBand] = useState("");
   const [technicalLevel, setTechnicalLevel] = useState("");
-  const [selected, setSelected] = useState<string | null>(null);
+  const [selection, setSelection] = useState<{ route: string; id: string | null } | null>(null);
+  const linkedCompany = router.query.company;
+  const selected = selection && selection.route === router.asPath ? selection.id
+    : router.isReady && typeof linkedCompany === "string" && data?.companies.some((c) => c.id === linkedCompany)
+      ? linkedCompany : null;
+  function setSelected(id: string | null) { setSelection({ route: router.asPath, id }); }
   const [tab, setTab] = useState<"companies" | "revenue" | "sources" | "reviews">("companies");
   const companySection = useRef<HTMLElement>(null);
   const detailSection = useRef<HTMLElement>(null);